CN1692316A - Radio controlled watch - Google Patents
Radio controlled watch Download PDFInfo
- Publication number
- CN1692316A CN1692316A CNA2003801005587A CN200380100558A CN1692316A CN 1692316 A CN1692316 A CN 1692316A CN A2003801005587 A CNA2003801005587 A CN A2003801005587A CN 200380100558 A CN200380100558 A CN 200380100558A CN 1692316 A CN1692316 A CN 1692316A
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- Prior art keywords
- watchcase
- antenna
- radio controlled
- controlled table
- described radio
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Abstract
There are provided an antenna for receiving a radio wave including time information, a watch device for causing a display portion to display time information such as a present time by the radio wave received by the antenna, a watch case for accommodating the antenna and the watch device, and at least one non-magnetic member fixed to an internal surface of the watch case and having an electric resistivity set to be 7.0 muOmega-Cm or less.
Description
Technical field
The present invention relates to a radio controlled table, it is used for receiving one and comprises the predetermined radiowave of temporal information and show the time.Specifically, the present invention relates to the watchcase structure of a radio controlled table, to improve the radiowave receptivity and in the situation of using the plain metal watchcase, to improve the anti-magnetic property of magnetic to external world.
Background technology
Known have a kind of electronic watch that is used for the acceptance criteria radiowave, that is, radio controlled table, it can receive one and comprises the radiowave (carrier wave) of the standard of temporal information and obtain temporal information from radiowave, thus, obtains a precise time.The radiowave that comprises temporal information has the frequency that changes with each country.For example, in Japan, the emission under the management of things that are outside the scope of one's own job and communication province (MIC) and General Post Office of the standard radio wave of 40kHz and 60kHz.
Figure 26 schematically illustrates the block scheme of the function of so wireless electric-controlled tabulation.Radio controlled table is made of an antenna 1, one radio controlled table receiver 2, a CPU3, a display drive part 4, an input media 5 etc.In addition, also include hour hands, minute hand and second, or a display part that constitutes by (not shown) such as liquid crystal.
In radio controlled table, one comprises that the radiowave of temporal information is at first received by antenna 1.The receiver 2 of radio controlled table amplifies and surveys the radiowave that is received by antenna 1, and obtains from radiowave and output time information.CPU3 is according to the current time of temporal information output of exporting from the receiver 2 of radio controlled table.Display drive part 4 causes display partly to show the time of a now according to the current time data from CPU3 output.For example, if input is then used input media 5 such as an operation information that is reset to CPU3.
The temporal information (time encoding) that is included in the radiowave is a pulse signal, and it has one 60 seconds cycle and becomes with each country.In Japan, it is 200,500 or 800 milliseconds width that pulse has a per second.By the combination of these pulses, in 60 seconds, obtain temporal information.
CPU3 reads the width of per second pulse from the pulse signal that receives, thus, obtain temporal information (a current time).CPU corrects the time that shows in the display part by display drive part 4 according to the temporal information that obtains.Therefore, by correcting the time that shows according to the temporal information that receives in each predetermined time interval, radio controlled table always can show a precise time.
One table that is contained in receiver, a CPU, a display drive part and the display part of an antenna, a radio controlled table in the watchcase that is used as antenna casing has been provided to as radio controlled table.Non-conducting material such as synthetic resin or pottery mainly is used for the material of watchcase, so that receive a radiowave by antenna.
Specifically, if antenna is contained in the watchcase that forms such as the conductive material of metal, then a near magnetic flux that is created in the antenna is absorbed in the conductive material, like this, is prevented from once the resonance phenomenon.Reason for this reason, the receiving function of antenna is impaired significantly, so that antenna can not receive the radiowave of a standard.
Yet the inefficacy that receives for fear of antenna is if use watchcase, the anti-damage of watchcase or the attenuating of the ability of chemicals-resistant that is formed by synthetic resin.In addition, as one with desired high-grade sensation of table and meticulous outward appearance also will suffer damage.Reason has proposed a radio controlled table and has used a metal as watchcase for this reason.
Figure 27 one illustrates the sectional view of the structure example of wireless electric-controlled tabulation, and it uses the part of a metal as watchcase.
One watchcase 10 is schematically covered 12 and one hurricane globe 13 and is constituted by a watch shell 11, a back of the body.One movement 14 is arranged in the engine housing, and a band (not shown) is connected to movement by known method.Similarly, work a clock face plate 15 and the pointer 16 of making the time showing part and be arranged on movement 14 tops by known method.
The mast 17 of the long-wave antenna of one magnetic is set, and its below and back of the body that is positioned at movement 14 covers 12 top.Mast 17 comprises that a magnetic core piece 18 and that is formed by ferrimagnet is wound on magnetic core piece 18 coil 20 on every side, and mast is fixed to the upper surface of a keeper that is formed by synthetic resin.
Therefore, according to a standard radio wave that receives by mast 17, the gear mechanism (not shown) of the CPU of movement 14 operation one in display driving part, thus, driven wheel mechanism is so that correct the position of the pointer 16 in the display part all the time.One vertical direction indicates the upper and lower among Figure 27.
Watch shell 11 by one be not the conductive material of hollow, promptly solid metal, a for example solid stainless steel forms.The hurricane globe 13 that is formed by the glass of non-conducting material is fixed to the topmost portion of watch shell 11 by the known method such as bonding.Clock face plate 15 is formed by non-conductive synthetic resin, pottery or suchlike material.The glass 23 that the back of the body covers is 12 that formed by a stainless steel, it is fixed to the ring edge framework 22 on the watch shell 11 and be fixed in the edge frame constitutes.Therefore, can be at watchcase in table upper and lower outwardly to a non-conductive material, and the side surface portion of watchcase is made of a metal.Therefore, such advantage is arranged: the meticulous outward appearance (seeing a day patent publications No.2001-33571 of the present disclosure) that can prevent to damage senior sensation and annex.
Yet table shown in Figure 27 does not have big problem for portable use on the radiowave receptivity.Glass 23 is fixed to the back of the body and covers 12 edge frame 22.Reason for this reason, the problem of existence is that if apply an impact, for example, table falls, then glass 23 can be cracked.
In addition, the back of the body covers 12 and is arranged to closely contact with arm.Therefore, in using for a long time, because the factor glass 23 of sweat etc. may skid off from edge frame 22.In addition, also have such possibility: sweat, water, dust etc. may enter in the movement (antenna 1, radio controlled table receiver 2, CPU3, display driving part 4 etc.) in the table, cause table function to descend significantly.
In addition, glass 23 is arranged on to carry on the back and covers in 12.Reason for this reason, the problem of existence are that the quantity of parts increases, and also increase the man-hour of assembling (manually), causes the increase of cost.In addition, a nonmetal parts is used for an exterior part.Therefore, table lacks the sensation of weight and thickness, and feeling of high class and presentation quality aspect also have deficiency.
In addition, table shown in Figure 27 uses a metal to be used for watch shell.Reason can not be eliminated the shortcoming that antenna is provided with near a metalwork for this reason.Compared by the watchcase that non-conducting material constitutes with whole watchcases, therefore, the receptivity of the mast of table reduces about 40%.Receive in the environment of difficulty at standard radio wave, for example, from the far place of standard radio wave transmitting station distance, in many situations, radio controlled table can not receive standard radio wave.
On the other hand, in passing through the table of a motor-driven one pointer, the driving of pointer operation generally is subjected to the influence of external magnetic, so that the precision of table is impaired in some cases.Reason is provided with one and blocks the anti-magnetic sheet of external magnetic in watchcase for this reason, thus, keeps the precision of table.
Figure 28 illustrates the sectional view of a list structure, wherein, prevents that the sex anti-magnetic sheet of aforesaid external magnetic is arranged on one and is used for keeping between the central frame and a back of the body lid of a movement.
In this structure, a central frame 6 that is used for fixing movement 4 is arranged in the watchcase 2, and the back of the body that the anti-magnetic sheet 10 of a U-shaped that makes progress is attached in central frame 6 covers 8 sides, thus, surrounds movement 4 (seeing Japanese Utility Model registration No.2505967).
Be used for driving in the radio controlled table of the identical structure of the structure of pointer having, similarly, need the countermeasure of a pair of diamagnetic resistance to keep the degree of accuracy of showing with common table.Yet radio controlled table is used for receiving a radiowave (carrier wave) that comprises the standard of temporal information, and from radiowave take-off time information, thus, obtain and show precise time.When movement is surrounded by anti-magnetic sheet so that when blocking external magnetic, have the possibility that receptivity can reduce.Reason can not used anti-magnetic sheet in radio controlled table for this reason.
Consider the problems of conventional art, an object of the present invention is to provide the watchcase of a radio controlled table, it can receive the radiowave that comprises such as the predetermined information of temporal information, even use a common metal shell, do not hinder yet and carry, improve stable waterproof quality and have a presentation quality of a feeling of high class, and as the design shown increase the variation of same design like that.
In addition, an object of the present invention is to provide a radio controlled table, even use and have the watchcase that is arranged on the anti-magnetic sheet in the watchcase, it also can receive the radiowave that comprises such as the predetermined information of temporal information, and predetermined degree of accuracy that also can the retention time in having some environment of an external magnetic.
Summary of the invention
In order to address the above problem and to reach all purposes in the above-mentioned conventional art, special the present invention proposed, radio controlled table according to the present invention comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information, such as the current time of the radiowave that is received by antenna;
One is used for holding the watchcase of antenna and meter apparatus; And
The non-magnetic member that at least one is fixed to the watchcase inside surface, the resistivity that has be set at 7.0 μ Ω-cm or less than.
In addition, in radio controlled table of the present invention, watchcase is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of watchcase.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell,
Watch shell is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of watch shell.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell and attached and be fixed to the back of the body lid of watch shell,
Back of the body lid is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of back of the body lid.
Therefore, the resistivity that has be 7.0 μ Ω-cm or less than non-magnetic member be arranged in the watchcase that holds antenna and meter apparatus.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
The resistivity that has by use be 7.0 μ Ω-cm or less than non-magnetic member because a non-magnetic member is fixed in the watchcase, for example, at the watch shell of radio controlled table and the inside surface of back of the body lid, so, can use metal, for example with outstanding presentation quality, titanium, titanium alloy, stainless steel or tantalum carbide, it has a low receiving sensitivity, a low frequency selectivity and just like the such high resistivity of watchcase, for example, watch shell and back of the body lid, and do not sacrifice receiving sensitivity.Therefore, can improve the function of watchcase mechanism and outward appearance aspect.
In addition, in radio controlled table of the present invention, non-magnetic member is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, non-magnetic member forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy.
Gold, silver, copper, brass, aluminium, magnesium, or their alloy be one have resistivity be 7.0 μ Ω-cm or less than metal.By using the non-magnetic member of such metal, can improve receiving sensitivity and frequency selectivity, so that near the interference of the resonance phenomena the antenna that reduces to cause by metal material as the inside surface of watch shell that is fixed to watchcase or back of the body lid.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, a resin piece is arranged to closely contact with the inside surface of non-magnetic member.
By such structure, can prevent that antenna from contacting with non-magnetic member and cause the damage of antenna, causes degenerating of accepting state.
In addition, in radio controlled table of the present invention, antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged on a certain position of watch shell, wherein, antenna along at least one plane parallel of the axis that comprises the magnetic chipware give prominence on the inside surface of watchcase.
In addition, in radio controlled table of the present invention, antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged on a certain position of back of the body lid, wherein, antenna along at least one plane parallel of the axis that comprises the magnetic chipware give prominence on the inside surface of watchcase.
In addition, in radio controlled table of the present invention, antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged on a certain position of the inside surface of watchcase, and it is relative with at least one end along the axial direction of antenna.
Non-magnetic member is arranged on such position.Therefore, non-magnetic member be positioned at antenna near, like this, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, watchcase is made of a clad material, its by bonding be selected from titanium, titanium alloy and the non-magnetic member that stainless at least a material pressure contacts and obtain.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell,
Watch shell is made of a clad material, its by bonding be selected from titanium, titanium alloy and the non-magnetic member that stainless at least a material pressure contacts and obtain.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell and attached and be fixed to the back of the body lid of watch shell,
Back of the body lid is made of a clad material, its by bonding be selected from titanium, titanium alloy and the non-magnetic member that stainless at least a material pressure contacts and obtain.
By such structure, also can watchcase be in material during the stage integratedly with non-magnetic member bonding be fixed to watch shell and the back of the body covers, then, adjust its shape.Therefore, can in addition, also simplify manufacture process, reduce cost thus corresponding to the shape of the complexity of watchcase.
In addition, in radio controlled table of the present invention, non-magnetic member is fixed on the watchcase by at least one method, for example, is press-fitted, caulking joint, welding, soldering and cementing agent.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell, and
Non-magnetic member by such as be press-fitted, at least one method in caulking joint, welding, soldering and the cementing agent is fixed to watch shell.
In addition, in radio controlled table of the present invention, watchcase comprises that a watch shell and a back of the body attached and that be fixed on the watch shell cover, and
Non-magnetic member by such as be press-fitted, at least one method in caulking joint, welding, soldering and the cementing agent is fixed to back of the body lid.
By such structure, can easily non-magnetic member be fixed to the inside surface of watchcase, for example, the inside surface of watch shell and back of the body lid.
In addition, in radio controlled table of the present invention, the non-magnetic member that is fixed to watchcase is by forming such as a wet method that is coated with a method or the spray-gun process.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell, and
The non-magnetic member that is fixed to watch shell is by forming such as a wet method that is coated with a method or the spray-gun process.
In addition, in radio controlled table of the present invention, watchcase comprises that a watch shell and a back of the body attached and that be fixed on the watch shell cover, and
The non-magnetic member that is fixed to back of the body lid is by forming such as a wet method that is coated with a method or the spray-gun process.
By such structure, can easily non-magnetic member be fixed to the inside surface of watchcase, for example, wet be coated with a method or a spray-gun process by one, be fixed to the inside surface of watch shell and back of the body lid.Therefore, can in addition, simplify manufacture process, reduce cost thus corresponding to the shape of the complexity of watchcase.
In addition, in radio controlled table of the present invention, the thickness of non-magnetic member is 50 μ m to 2000 μ m.
If the thickness that non-magnetic member has is in such scope, then antenna has a high gain, and receiving sensitivity is high and frequency sensitivity is good.In addition, consider the distance between watch shell or back of the body lid and movement or the antenna, or consider the convenience of operation non-magnetic member in manufacturing and the assembling, such thickness is best.
In addition, radio controlled table according to the present invention comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information, such as the current time of the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna and meter apparatus;
Wherein, watchcase has at least one part that is made of non-magnetic member, the resistivity that this non-magnetic member has be 7.0 μ Ω-cm or less than, and
Surface finish is stood on one surface of watchcase.
In addition, in radio controlled table of the present invention, watchcase comprises a watch shell, a back of the body lid and a bezel,
In watch shell, back of the body lid and the bezel at least one is to be made of non-magnetic member, and
Watchcase outside the watchcase that is made of non-magnetic member is to be formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide, tantalum carbide and resin.
By such structure, the part of watchcase, for example, the part of watch shell, the back of the body lid, bezel etc., or in them at least one, by have resistivity be 7.0 μ Ω-cm or less than non-magnetic member form.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by nonmagnetic substance by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
By a part to the watchcase of radio controlled table, for example, the part of watch shell, back of the body lid, bezel etc., or in them at least one, use have resistivity be 7.0 μ Ω-cm or less than non-magnetic member, therefore, can use such as titanium, titanium alloy, stainless steel with low receiving sensitivity, low frequency selectivity and high resistivity, or the metal with excellent appearance quality of tantalum carbide and so on, as the watchcase part outside the watchcase part that forms by non-magnetic member, and do not sacrifice receiving sensitivity.Therefore, can improve the machinery of watchcase and the function of outward appearance aspect.
In addition, on the surface of the watchcase part that forms by non-magnetic member, implement surface finish.Therefore, can design and make one and have corrosion-resistant, heat-resisting, physical strength etc., and have the color sensation such as a metal color, it has the watchcase of feeling of high class and high presentation quality, for example, be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
In addition, in radio controlled table of the present invention, non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
Gold, silver, copper, brass, aluminium, magnesium, or their alloy be one have resistivity be 7.0 μ Ω-cm or less than metal.By using the non-magnetic member of such metal as the part of watchcase, for example, the part of watch shell, back of the body lid, bezel etc., or in them at least one, can improve receiving sensitivity and frequency selectivity, so that near the interference of the resonance phenomena the antenna that reduces to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, antenna is made of reel around the magnetic core piece coil of multiturn of a magnetic core piece and, and
The parts of one watchcase, antenna along at least one plane parallel of the axis that comprises magnetic core piece give prominence on these watchcase parts, an or part, the parts of outstanding watchcase are given prominence on this part, the parts of watchcase or above-mentioned part are made of non-magnetic member.
In addition, in radio controlled table of the present invention, antenna is made of reel around the magnetic core piece coil of multiturn of a magnetic core piece and, and
The parts of one watchcase, its at least one end with the axial direction of antenna is relative, or a part, and its parts with watchcase are relative, and these watchcase parts are relative with an end of axial direction, and the parts of watchcase or above-mentioned part are made of non-magnetic member.
Non-magnetic member is arranged on such position.Therefore, non-magnetic member be positioned at antenna near, like this, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, surface finish is made of at least a processing of surface polishing process that is selected from the following form: a high polishing surface, an inferior light polished surface, a hair figure, a figure and a symbol.
Therefore, surface finish is made of high polishing surface, inferior light polished surface, hair figure, figure and symbol.Therefore, can design and make a watchcase with feeling of high class and high presentation quality, for example, and be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
In addition, in radio controlled table of the present invention, surface finish is handled and is made of a metal coat film,
This metal coat film is provided with at least one method that is selected from the following method: wet coating process, the evaporation precipitation method, ion plating method, arc process and negative electrode spattening finishing.
Therefore, surface finish is handled and is made of the metal coat film.Therefore, can design and make one and have corrosion-resistant, heat-resisting, physical strength etc., and have the color sensation such as a metal color, it has the watchcase of feeling of high class and high presentation quality, for example, be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
In addition, such metal coat film is formed by wet coating process, the evaporation precipitation method, ion plating method, arc process and negative electrode spattening finishing.Therefore, can be corresponding to the shape of the complexity of watchcase, therefore, the simplified manufacturing technique process reduces cost thus.
In addition, in radio controlled table of the present invention, the surface of non-magnetic member is stood surface finish and is handled.
Therefore, surface finish is handled and is carried out on the surface of non-magnetic member.Therefore, can design and make one and have corrosion-resistant, heat-resisting, physical strength etc., and have the color sensation such as a metal color, it has the watchcase of feeling of high class and high presentation quality, for example, be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
In addition, radio controlled table according to the present invention comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information, such as the current time of the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna and meter apparatus,
Wherein, watchcase is made of metal.
In addition, in radio controlled table of the present invention, the inside surface of antenna and watchcase is provided with contiguously.
In addition, in radio controlled table of the present invention, antenna is provided with away from the inside surface of watchcase.
Therefore, watchcase is made of metal, distance between antenna and the watchcase, promptly, the body thickness T1 of the watch shell of watchcase, the back of the body lid thickness T 2 of the back of the body of watchcase lid, clearance D 1 from the inside surface of watchcase to antenna, and the clearance D 2 from the inside surface of back of the body lid to antenna, set distance between above-mentioned antenna and the watchcase according to receiving sensitivity.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can improve receiving sensitivity.Therefore, can use metal with outstanding presentation quality, for example, titanium, titanium alloy, stainless steel or tantalum carbide, it has a low receiving sensitivity, a low frequency selectivity and just like the such high resistivity of watchcase, for example, watch shell, back of the body lid, bezel etc., and do not sacrifice receiving sensitivity.Therefore, can improve the function of watchcase mechanism and outward appearance aspect.
In addition, in radio controlled table of the present invention, watchcase and antenna are set in this manner: the scope of the body thickness T1 of the watch shell of watchcase is from 300 μ m to 5000 μ m.
In addition, in radio controlled table of the present invention, watchcase and antenna are set in this manner: the scope of the body thickness T1 of the watch shell of watchcase is from 500 μ m to 2000 μ m.
Therefore, the body thickness T1 of the watch shell of watchcase is set at 300 μ m to 5000 μ m.Therefore, can have high antenna gain and excellent reception sensitivity, and keep effective intensity such as watchcases.
Especially, the body thickness T1 of the watch shell of watchcase is set at 500 μ m to 2000 μ m.Therefore, can have high antenna gain and excellent reception sensitivity, and keep effective intensity such as watchcases.In addition, can obtain preferable watch shell, it considers the outward appearance, serviceability of watchcase, aspect such as corrosion-resistant.
In addition, in radio controlled table of the present invention, watchcase and antenna are set by this way: the clearance D 1 from the inside surface of the watch shell of watchcase to antenna is in the scope of 0 to 40000 μ m.
In addition, in radio controlled table of the present invention, watchcase and antenna are set by this way: the clearance D 1 from the inside surface of the watch shell of watchcase to antenna is in the scope of 500 μ m to 10000 μ m.
By the relation of desired location between the watch shell of watchcase and antenna, that is, therefore the clearance D 1 from the inside surface of the watch shell of watchcase to antenna, can obtain high antenna gain and splendid receiving sensitivity at 0 to 40000 μ m.
By the clearance D 1 from the inside surface of the watch shell of watchcase to antenna is set in 500 μ m to 10000 μ m, especially, can keep a high antenna gain, a splendid receiving sensitivity, one is applicable to the intensity of watchcase etc.In addition, can obtain preferable watch shell, it considers the outward appearance, workability of watchcase, aspect such as corrosion-resistant.
In addition, in radio controlled table of the present invention, watchcase becomes with antenna settings: the back of the body lid thickness T 2 of the back of the body lid of watchcase is in 100 μ m to 5000 mu m ranges.
In addition, in radio controlled table of the present invention, watchcase becomes with antenna settings: the back of the body lid thickness T 2 of the back of the body lid of watchcase is in 300 μ m to 2000 mu m ranges.
Be set in 100 μ m to 5000 mu m ranges by back of the body lid thickness T 2, therefore, can keep a high antenna gain the back of the body of watchcase lid, a splendid receiving sensitivity, one is applicable to the intensity of watchcase etc.
Be set in 300 μ m to 2000 mu m ranges by back of the body lid thickness T 2, especially, can keep a high antenna gain the back of the body of watchcase lid, a splendid receiving sensitivity, one is applicable to the intensity of watchcase etc.In addition, can obtain the back of the body lid of preferable watchcase, it considers the outward appearance, workability of watchcase, aspect such as corrosion-resistant.
In addition, in radio controlled table of the present invention, watchcase becomes with antenna settings: the inside surface of the back of the body of watchcase lid to the clearance D 2 of antenna in 0 to 5000 mu m range.
In addition, in radio controlled table of the present invention, watchcase becomes with antenna settings: the inside surface of the back of the body of watchcase lid to the clearance D 2 of antenna in 100 μ m to 700 mu m ranges.
Relation by desired location between the back of the body of watchcase lid and antenna, that is, the clearance D 2 from the inside surface of the back of the body of watchcase lid to antenna is at 0 to 50000 μ m, therefore, can obtain a high antenna gain and a splendid receiving sensitivity, one is applicable to the intensity of watchcase etc.
By the clearance D 2 from the inside surface of the back of the body of watchcase lid to antenna is set in 100 μ m to 700 μ m, especially, can keep a high antenna gain, a splendid receiving sensitivity, one is applicable to the intensity of watchcase etc.In addition, can obtain the back of the body lid of preferable watchcase, it considers the outward appearance, workability of watchcase, aspect such as corrosion-resistant.
In radio controlled table of the present invention, the watch shell of watchcase is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide.
In radio controlled table of the present invention, the back of the body of watchcase lid is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide.
By according to above-mentioned receiving sensitivity, set the distance between antenna and the watchcase, promptly, the body thickness T1 of the watch shell of watchcase, the back of the body lid thickness T 2 of the back of the body lid of watchcase, clearance D 1 from the inside surface of watch shell to antenna, and clearance D 2 from the inside surface of back of the body lid to antenna, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.
Therefore, can use to have low receiving sensitivity, the metal with splendid presentation quality such as titanium, titanium alloy, stainless steel or tantalum carbide of low frequency selectivity and high resistivity is as watchcase, for example, watch shell, back of the body lid, bezel etc., and do not sacrifice receiving sensitivity.Therefore, can improve the machinery of watchcase and the function of outward appearance aspect.
In addition, in radio controlled table of the present invention, the watch shell of watchcase is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, the watch shell of watchcase forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, the back of the body of watchcase lid is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, the back of the body of watchcase lid forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
Gold, silver, copper, brass, aluminium, magnesium, or their alloy be one have resistivity be 7.0 μ Ω-cm or less than metal.By using such metal as watchcase, for example, watch shell, back of the body lid, bezel etc. can improve receiving sensitivity and frequency selectivity, so that near the interference of the resonance phenomena the antenna that reduces to be caused by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, the watch shell of watchcase is formed by hard metal.
In addition, in radio controlled table of the present invention, the back of the body of watchcase lid is formed by hard metal.
By with hard metal construction watchcase, for example, therefore watch shell, back of the body lid, bezel etc., also can improve receiving sensitivity in the watchcase of use metal.In addition, provide protection against wear and damage, and improve physical strength etc.
In addition, in radio controlled table of the present invention, at least one in the watch shell of watchcase and the back of the body lid stands a surface treatment and/or a cure process.
Therefore, the watch shell in watchcase or the back of the body cover and implement surface treatment and/or cure process.Therefore, can design and make one and have corrosion-resistant, heat-resisting, physical strength etc., and have the color sensation such as a metal color, it has the watchcase of feeling of high class and high presentation quality, for example, be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
In addition, in radio controlled table of the present invention, it is a plane that the inside surface of the watch shell of watchcase and the outer surface of antenna are arranged to almost parallel each other.
In addition, in radio controlled table of the present invention, be arranged to be roughly parallel to the inside surface of the back of the body lid of watchcase along an end face at the two ends of the axial direction of antenna.
In addition, in radio controlled table of the present invention, the outer surface of antenna is arranged to be approximately perpendicular to the inside surface of the back of the body lid of watchcase.
Specifically, even antenna is arranged on one in the watchcase and stands vertically state (vertically), also can pass through according to aforesaid receiving sensitivity, near the interference of the resonance phenomena the antenna that the distance between setting antenna and the watchcase reduces to be caused by metal material, distance between described antenna and the watchcase, promptly, the body thickness T1 of the watch shell of watchcase, the back of the body lid thickness T 2 of the back of the body lid of watchcase, clearance D 1 from the inside surface of watch shell to antenna, and clearance D 2 from the inside surface of back of the body lid to antenna.
In addition, in radio controlled table of the present invention, the inside surface of the back of the body of watchcase lid and the outer surface of antenna are provided with each other substantially parallelly.
In addition, in radio controlled table of the present invention, the inside surface of the watch shell of watchcase and the outer surface of antenna are set to a plane each other substantially parallelly.
Specifically, even being arranged to along continuous straight runs, antenna lies in the watchcase, also can pass through according to aforesaid receiving sensitivity, near the interference of the resonance phenomena the antenna that the distance between setting antenna and the watchcase reduces to be caused by metal material, the distance between described antenna and the watchcase, promptly, the body thickness T1 of the watch shell of watchcase, the back of the body lid thickness T 2 of the back of the body of watchcase lid, the clearance D 1 from the inside surface of watch shell to antenna, and clearance D 2 from the inside surface of back of the body lid to antenna.
In addition, in radio controlled table of the present invention, the back of the body of watchcase lid is two-dimensional plane shape.
When not being formed on the back of the body, above-mentioned part do not cover, but it is flat causing inside surface, and causes the back of the body to cover when having two-dimensional plane shape, compares with the situation in the watchcase that rising part wherein is set, can reduce the interference of antenna resonance phenomena on every side more, improve receiving sensitivity more.
In addition, in radio controlled table of the present invention, have resistivity and be 7.0 μ Ω-cm or less than at least one non-magnetic member be fixed to the inside surface of watchcase.
Therefore, have resistivity be 7.0 μ Ω-cm or less than non-magnetic member be arranged on the inside surface of watchcase.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
By use have resistivity be 7.0 μ Ω-cm or less than non-magnetic member, as the non-magnetic member that is fixed to watchcase, for example, therefore the inside surface of watch shell in radio controlled table and back of the body lid, can use to have low receiving sensitivity, the metal with splendid presentation quality such as titanium, titanium alloy, stainless steel or tantalum carbide of low frequency selectivity and high resistivity is as watchcase, for example, watch shell, back of the body lid, and do not sacrifice receiving sensitivity.Therefore, can improve the machinery of watchcase and the function of outward appearance aspect.
In addition, in radio controlled table of the present invention, non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, non-magnetic member forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy.
Gold, silver, copper, brass, aluminium, magnesium, or their alloy be one have resistivity be 7.0 μ Ω-cm or less than metal.By using the non-magnetic member of such metal, can improve receiving sensitivity and frequency selectivity, so that near the interference of the resonance phenomena the antenna that reduces to cause by metal material as the inside surface of watch shell that is fixed to watchcase or back of the body lid.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, in radio controlled table of the present invention, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
One parts of watchcase, antenna along at least one plane parallel of an axis that comprises magnetic core piece be projected on these watchcase parts, an or part, the parts of outstanding watchcase are projected on this part, described parts or part are made of non-magnetic member.
In addition, in radio controlled table of the present invention, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
The parts of one watchcase, its at least one end with the axial direction of antenna is relative, or a part, and the parts of the watchcase that it is relative with an end of axial direction are relative, and described parts or part are made of non-magnetic member.
Non-magnetic member is arranged on such position.Therefore, non-magnetic member be positioned at antenna near so that near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
In addition, radio controlled table according to the present invention comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information, such as the current time of the radiowave that is received by antenna;
One is used for preventing the sex anti-magnetic sheet of external magnetic; And
One is used for holding the watchcase of antenna, meter apparatus and anti-magnetic sheet;
Wherein, the anti-magnetic sheet that is arranged in the watchcase has an opening portion in the part relative with antenna.
Therefore, the anti-magnetic sheet that is arranged in the watchcase has opening portion in the part relative with antenna.Therefore, antenna can receive radiowave by opening portion, and the not influence of anti-magnetic sheet.Therefore, can prevent also that in radio controlled table meter apparatus is influenced by external magnetic, does not reduce the receiving feature of radiowave.Therefore, can in table, improve degree of accuracy, and not influence the driving operation of pointer.
In addition, in radio controlled table of the present invention, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
One opening portion is arranged in a certain position on the anti-magnetic sheet, wherein, antenna along at least one plane parallel of the axis that comprises magnetic core piece give prominence to.
In addition, in radio controlled table of the present invention, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
One opening portion is arranged on the anti-magnetic sheet, is positioned at and the relative position of at least one end along the axial direction of antenna.
Opening portion is arranged in such position on the anti-magnetic sheet, that is, and and in the relative position of antenna.Therefore, antenna can receive radiowave by opening portion, and does not have the influence of anti-magnetic sheet.Therefore, can prevent also that in radio controlled table meter apparatus is influenced by external magnetic, does not reduce the receiving feature of radiowave.Therefore, can in table, improve degree of accuracy, and not influence the driving operation of pointer.
In addition, in radio controlled table of the present invention, Antenna Positioning is set on the outside of anti-magnetic sheet.
In addition, in radio controlled table of the present invention, it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion, and be positioned on the inner surface side of watch shell of watchcase.
In addition, in radio controlled table of the present invention, it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion, and be positioned on the back of the body lid side of watchcase.
In addition, in radio controlled table of the present invention, it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion, and be positioned on the display board side.
Antenna is arranged in such position, so that it is partly or wholly outstanding from opening portion.Therefore, antenna can receive radiowave and not have the influence of anti-magnetic sheet.Therefore, can prevent also that in radio controlled table meter apparatus is influenced by external magnetic, does not reduce the receiving feature of radiowave.Therefore, can in table, improve degree of accuracy, and not influence the driving operation of pointer.
In addition, in radio controlled table of the present invention, anti-magnetic sheet is formed by at least a material that is selected from pure iron and the permalloy.
Therefore, anti-magnetic sheet is formed by pure iron or permalloy.Therefore, can obtain high magnetic perviousness, and meter apparatus can protect and not influenced by external magnetic, and can improve the degree of accuracy of table, and not influence the driving operation of pointer.
In addition, in radio controlled table of the present invention, have resistivity and be 7.0 μ Ω-cm or less than non-magnetic member be arranged on the inside surface of anti-magnetic sheet.
By such structure, have resistivity and be 7.0 μ Ω-cm or less than non-magnetic member be arranged on the inside surface of anti-magnetic sheet.Therefore, can improve the gain of antenna, and can improve receiving sensitivity and frequency selectivity, so that can improve the degree of accuracy of receiving feature and table.
In addition, in radio controlled table of the present invention, non-magnetic member is arranged in the opening portion of anti-magnetic sheet.
Therefore, non-magnetic member is arranged in the opening portion of anti-magnetic sheet, is positioned at a position corresponding to antenna.Therefore, can improve receiving sensitivity and frequency selectivity, and can increase the gain of antenna, can improve receiving sensitivity and frequency selectivity, so that improve the degree of accuracy of receiving sensitivity and table.
In addition, in radio controlled table of the present invention, non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
In addition, in radio controlled table of the present invention, non-magnetic member forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
Gold, silver, copper, brass, aluminium, magnesium, or their alloy be one have resistivity be 7.0 μ Ω-cm or less than metal.By using the non-magnetic member of such metal as the inside surface of watch shell that is fixed to watchcase or back of the body lid, can increase the gain of antenna, improve receiving sensitivity and frequency selectivity, and improve the degree of accuracy of receiving sensitivity and table.
In addition, in radio controlled table of the present invention, non-magnetic member has the rising part of erectting along the direction of display board, and
Rising part abuts against on the part of watchcase, thus, and the rotation of the anti-magnetic sheet of control.
By such structure, can stop the rotation of anti-magnetic sheet, thus, the anti-magnetic sheet in location easily, and the assembling of simplification antenna, watchcase and anti-magnetic sheet.Therefore, can simplify manufacture process and reduce cost.
In addition, radio controlled table according to the present invention comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information, such as the current time of the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna, meter apparatus;
Wherein, watchcase is made of non electrically conductive material or material with low resistivity, and
One exterior part that is formed by conductive material is set, and this material is attached to the outside of watchcase.
In addition, in radio controlled table of the present invention, exterior part covers the outer surface of the watch shell of watchcase.
In addition, in radio controlled table of the present invention, exterior part covers the upper surface of the watch shell of watchcase.
By such structure, the watchcase that is used for holding antenna is formed by the material with non-conductive or low-resistivity, is attached to the exterior part of watchcase outside, and especially, the exterior part that is used for covering the watch shell outer surface conducts electricity, for example, and a metal.
With the watchcase itself that is used for holding antenna is to be compared by the watchcase that conductive material forms, and therefore, can increase antenna and as the distance between (for example a, metal) exterior part of conductive material.Therefore, be difficult to cause the failure of antenna reception.Therefore, antenna can receive radiowave well, so, can improve the degree of accuracy of receptivity and table.
By conduction exterior part, in addition, can give the outward appearance that radio controlled table has a metal sense such as metal.Therefore, visual sensation seems watchcase and is formed by the metal of a solid.Therefore, be watchcase, can prevent to destroy feeling of high class and and exquisite outward appearance by using a non-conducting material such as synthetic resin.
In addition, in radio controlled table of the present invention, the non-conducting material that constitutes watchcase is formed by at least one non-conducting material that is selected from synthetic resin, rubber and the pottery.
Therefore, watchcase, for example, watch shell, back of the body lid, bezel etc. are made of the non-conducting material such as synthetic resin, rubber or pottery.Therefore, antenna can receive radiowave well, so, can improve the degree of accuracy of receptivity and table.
In addition, in radio controlled table of the present invention, the material with low resistivity that constitutes watchcase comprises that at least one has the material of low-resistivity, and it is selected from gold, silver, copper, brass, aluminium, magnesium and their alloy.
Therefore, watchcase, for example, watch shell, back of the body lid, bezel etc. are made of the material with low-resistivity such as gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy.Therefore, antenna can receive radiowave well, so, can improve the degree of accuracy of receptivity and table.
In addition, in radio controlled table of the present invention, the conductive material that constitutes exterior part comprises at least one conductive material that is selected from stainless steel, titanium and the titanium alloy.
Therefore, exterior part can be made of the conductive material such as stainless steel, titanium or titanium alloy, and described metal is the metal with splendid presentation quality.Therefore, can design and make exterior part with the common epiphase mode together that is not radio controlled table.Therefore, the design variable and the common epiphase that can improve the watchcase of radio controlled table worked as.
Brief description of drawings
Fig. 1 is the sectional view that illustrates according to the watchcase structure of the radio controlled table of an example of the present invention.
Fig. 2 is the chart that is used for explaining an example, and this example calculation is represented the gain and a Q value of the antenna of accepting state quality.
Fig. 3 one illustrates the explanatory of an equipment, and this equipment uses an exterior part that is used to test to do an acceptance test.
Fig. 4 is a stereographic map that decomposes, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Fig. 5 is the sectional view along the axis intercepting of the bar among Fig. 4.
Fig. 6 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Fig. 7 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Fig. 8 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Fig. 9 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 10 is a planimetric map, is used for explaining the state of setting a watch shell and an antenna according to the present invention.
Figure 11 is a sectional view, is used for explaining the state of setting a back of the body lid and an antenna according to the present invention.
Figure 12 is a chart, according to the result who tests the gain of received signal and the relation between the watch shell thickness is shown.
Figure 13 is a chart, according to the result of test relation between the gain of received signal and the distance from the antenna to the watch shell is shown.
Figure 14 is a chart, the gain of received signal is shown and carries on the back the relation of covering between the thickness according to the result who tests.
Figure 15 is a chart, according to the result of test the gain of received signal and the relation the distance from antenna to back of the body lid is shown.
Figure 16 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 17 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 18 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 19 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 20 is a planimetric map, and this figure is the view of watching along the direction of the back of the body lid of anti-magnetic sheet shown in Figure 19.
Figure 21 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 22 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 23 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 24 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Figure 25 is a planimetric map, and this figure is the view of watching along the direction of the back of the body lid of anti-magnetic sheet shown in Figure 24.
Figure 26 is the block scheme that the function of radio controlled table schematically is shown.
Figure 27 is a sectional view, is illustrated in the traditional example that uses the radio controlled list structure of metal in the watchcase part.
Figure 28 is a sectional view, and traditional example of the structure of the common table that uses an anti-magnetic sheet is shown.
Figure 29 is a sectional view, and the back of the body lid of the example that is formed by electrocasting according to non-magnetic member is shown.
Figure 30 is a synoptic diagram, is used for explaining the state that is provided with according to the antenna of radio controlled table of the present invention.
Embodiment
Below with reference to accompanying drawings, describe one embodiment of the invention (example) in greater detail.
(example 1)
Fig. 1 is the sectional view that illustrates according to the watchcase structure of the radio controlled table of an example of the present invention.
As shown in Figure 1, a watchcase A is made of following: the back of the body that a watch shell 30, is attached to the lower surface of watch shell 30 covers 33, one bezel (not shown) etc.
Watch shell 30 has roughly cylindrical, and a glass 32 is attached to the shoulder part 30a on the inner peripheral of setting upper shed part in the accompanying drawings by a sealing gasket 31.In addition, a back of the body cover 33 by such as be press-fitted, method screw thread or the screw is fixed to the under shed part in the accompanying drawing.
Back of the body lid 33 shown in Figure 1 arrives watch shell 30 by press-fit attachment.In addition, a sealing gasket 44 is inserted between the rising part 33a and an inner surface 30c of watch shell 30.In addition, watch shell 30 is formed by a metal, and the material of metal will be described below.
Watch shell 30 holds a movement 34, and it comprises receiver, CPU, display driving part of radio controlled table etc., and they are presented among aforesaid Figure 26.Play a clock face plate 35 and pointer 36 setting movement 34 tops in the accompanying drawings as the time showing part.
The positioned adjacent that movement 34 passes through clock face plate 35 is on the lower surface of inner outshot 30b, and in the accompanying drawing, outshot 30b forms the shoulder 30a of watch shell 30.In addition, movement 34 is inserted in clock face plate 35 and is arranged between the resin central frame 45 on the upper surface that the back of the body covers 33 rising part 33a, and fixes thus.
In addition, a predetermined space is arranged on movement 34 and the back of the body covers between 33, and an antenna 37 is arranged in this space.Antenna 37 is made of a rod magnetic core piece 38, and magnetic core piece 38 is formed by ferrite material, and a coil 40 is wound on around the magnetic core piece 38, and is fixed to the lower surface of movement 34.
In addition, in this example, the inner surface 30c and the back of the body that non-magnetic member 42 and 43 is arranged on watch shell 30 cover on 33 the inside surface 33c.Non-magnetic member 42 has the shape of a plate, and is arranged on the inside surface 33c at place, inboard of rising part 33a of the back of the body lid 33 relative with movement 34.In addition, non-magnetic member 42 and comprises that the plane of axis AX of magnetic core piece 38 is relative, and, be arranged in a certain position, wherein, antenna 37 is outstanding abreast.
Specifically, in Fig. 1, non-magnetic member 42 is relative with the horizontal plane of the axis AX that comprises magnetic core piece 38, and is arranged in a certain position, and wherein, antenna 37 is outstanding abreast, that is, cover at the back of the body on 33 the upper surface.
Yet, the position that is provided with is not limited to the position among Fig. 1, non-magnetic member can be arranged in a certain position, wherein, antenna 37 along at least one plane parallel of the axis AX that comprises magnetic core piece 38 give prominence on the inside surface of watchcase, for example, the position that watch shell 30 is given prominence to, or the back of the body covers 33 outstanding positions.
In addition, non-magnetic member 43 has along the shape of the ring of the inner surface 30c of watch shell 30, or has the shape of an arc that constitutes its part, and is arranged in the position relative with an end of the axial direction of antenna 37 (relative position).
In having the radio controlled table of said structure, the CPU in the movement 34 operates display driving part according to the standard wave that antenna 37 receives, and thus, drives and corrects pointer 36 all the time.
At this moment, in structure according to the watchcase of this example, non-magnetic member 42 and 43 be arranged on the back of the body cover 33 and antenna 37 between.Therefore, can reduce the watch shell 30 that forms by metal and the back of the body and cover 33 interference that are positioned near the resonance phenomena antenna that cause, like this, can improve receiving sensitivity.
1. one be used for option table housing 30, the back of the body and cover 33 and the test of the material of non-magnetic member 42 and 43:
Next, will describe with option table housing 30, carry on the back and cover 33 and the relevant test and the result thereof of material of non-magnetic member 42 and 43.
1-1. select to have the metal that little receiving sensitivity reduces:
The metal that reduces for the receiving sensitivity of selecting to have little antenna 37, at first, one antenna that is used to test has the coil of 2000 circles, the diameter of wire of coil is 65 μ m, this antenna is arranged on the sheet metal that a thickness is 0.5mm, so carry out a test, it is from being arranged on the signal of the transmission antennas transmit 40kHz on the precalculated position.
By the relatively gain and the Q value of the peak heights of received signal, latter Q=fo/ △ f obtains from a bandwidth △ f and a crest frequency fo, thus, can carry out the calculating of an accepting state.
Can point out that if increase then receiving sensitivity improves more, if the Q value increases, then frequency selectivity improves more.
Result as test, be arranged on gold, silver, copper, brass, aluminium, magnesium, zinc at antenna, or in the situation on their alloy, compare high (receiving sensitivity is higher) 2 to 3dB (decibel) of gain with the situation that antenna is arranged on titanium, titanium alloy or the stainless steel.
1-2 uses an exterior part that is used to test to select the test of a material:
Next, use one corresponding to watch shell 30 with carry on the back and cover an exterior part that is used to test of 33 and carry out identical test.
Specifically, as shown in Figure 3, one covers 33 the exterior part that is used to test 50 corresponding to the watch shell 30 and the back of the body, holds an antenna that is used to test 51 corresponding to antenna 37, and this exterior part 50 is installed on the resin plate 52.In this state, one has emission the emitting antenna 53 of electric wave on being arranged on a precalculated position of constant frequency, so that measure the accepting state of the antenna 51 that is used to test.
Result as test, shown in following table 1, when covering a cover 50b of 33 corresponding to a shell part 50a of watch shell 30 with corresponding to the back of the body and form by a metal such as stainless steel (its known have the receiving sensitivity that reduces), can see that the Q value is reduced to 5, it is not preferable (example 1 of test) for radio controlled table.
When shell part 50a is formed by the metal such as stainless steel (its known have the receiving sensitivity that reduces), and cover 50b is when being formed by the metal such as brass (its known have high receiving sensitivity), the Q value is approximately 8, like this, can improve receiving sensitivity (example 2 of test).
Therefore, suppose to be used for table, uses such exterior part, its shell part 50a keeps by forming such as stainless metal, and the outside of cover 50b is by forming such as stainless metal, and inside is formed by the metal such as brass.Therefore, the Q value is 8 to 9, and it is set in the preferable state.In addition, compare with only using the situation such as stainless metal, the gain of antenna also can improve 1 to 2dB (example 3 of test).
Table 1 is used to the test findings of the exterior part tested
| Shell part 50a | Cover 50b | The Q value | |
| Test examples 1 | Such as stainless metal | Such as stainless metal | ??5 |
| Test examples 2 | Such as stainless metal | Metal such as brass | Be approximately 8 |
| Test examples 3 | Such as stainless metal | Outside: such as stainless metal inside: such as the metal of brass | 8 to 9 |
Can confirm from the result of test, even the watch shell 30 and the back of the body cover 33 and formed by the metal with the receiving sensitivity that reduces, wherein, a metal with high receiving sensitivity is arranged on the inside, therefore, also can improve the receiving sensitivity of the antenna 37 that is arranged on the watchcase inside.
Relation between 1-3 resistivity and the receiving sensitivity:
On the other hand, the resistivity that is used for the metal tested compares mutually.With reference to the titanium or the stainless steel that reduce receiving sensitivity, can find that resistivity is higher, that is, and 55 to 74 μ Ω-Cm.With reference to aluminium with high receiving sensitivity, can find that resistivity is lower, that is, and 2.69 μ Ω-Cm.
In order to confirm the relation between resistivity and the receiving sensitivity, make up the metal that is arranged on outside and the inside according to resistivity.Therefore, have found that, by setting have-resistivity of the metal of the receiving sensitivity of Gao be 7 μ Ω-Cm or less than, even the resistivity of the metal of combination is higher, then also can keep a high receiving sensitivity.
Its result, can confirm, even the watch shell 30 and the back of the body cover 33 by the-receiving sensitivity that has-reduce, the metal of one little Q value (low frequency selectivity) and a high resistivity forms, for example, titanium, titanium alloy, stainless steel or tantalum carbide, it has outstanding presentation quality, and non-magnetic member 42 and 43 has a high receiving sensitivity by one, one high Q value (good frequency selectivity) and a low resistivity and 7 μ Ω-Cm or less than the metal of resistivity form, for example, gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy also can improve receiving sensitivity.
Thickness in the 1-4 non-magnetic member 42 and 43 and the relation between the receiving sensitivity:
In order to check thickness in non-magnetic member 42 and 43 and the relation between the receiving sensitivity, carry out one be used for by stainless steel (Austenitic) form as shown in Figure 3 shell part 50a and the test of cover 50b, and a thin aluminum is provided on the inside of cover 50b, so that little by little increase its thickness from zero (no aluminum).
Therefore, find that Q value is 0 o'clock 9.9 14.3 when being increased to thickness and being 500 μ m from thickness, also find, along with the increase of thickness keeps value accurately, acquisition 14.6 when thickness is 1000 μ m.In addition, also find with thickness be 0 situation mutually the gain of ratio antenna when thickness is 500 μ m, improve about 3dB.
Its result, when the thickness of aluminum reached 50 μ m, gain and Q value increased, and therefore, when thickness is approximately 1000 μ m, became constant and were maximum.Therefore, have found that, non-magnetic member 42 and 43 thickness preferably be set at 50 μ m or more than.
In addition, the upper limit with reference to thickness is preferably, consider the watch shell 30 or the back of the body cover 33 with movement or antenna 37 between distance, and in manufacturing and process such as assembling, operate the convenience of non-magnetic member 42 and 43, thickness should be set at 2000 μ m or less than.
1-5 considers the result of test
According to result of each test etc., best is, the watch shell 30 and the back of the body cover 33 should be by titanium, titanium alloy, stainless steel, tungsten carbide or tantalum carbide form, it has a receiving sensitivity that reduces, one little Q value (one low frequency selectivity), and good presentation quality, non-magnetic member 42 and 43 Ying Youjin, silver, copper, brass, aluminium, magnesium, zinc or their alloy form, it has a high receiving sensitivity, one big Q value (one good frequency selectivity),-low resistivity, and resistivity be 7 μ Ω-Cm or less than, in addition, its thickness should be set at 50 to 2000 μ m.
In addition, non-magnetic member 42 and 43 does not need only to be formed by metal in all metals, even but they by bond at least two metals in all metals of methods such as diffusion bonding, soldering, bonding, caulking joint, also can obtain identical advantage.
Next, description list housing 30 and the back of the body covers 33 with the fixing of non-magnetic member 42 and 43.
Watch shell 30 and the back of the body cover 33 and non-magnetic member 42 and 43 form respectively in the situation of independent parts, they usually by be press-fitted, caulking joint, welding, soldering or bonding agent connect.
In addition, non-magnetic member 42 and 43 can be covered in the state of 33 material at watch shell 30 and the back of the body, bonds integratedly and fixes, and then, can arrange different shape.
In this case, use a clad material, cover 33 material oppresses in the state of contact at the non-magnetic member that is formed by gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy and the watch shell 30 that formed by titanium, titanium alloy, stainless steel etc. and the back of the body, clad material heating, diffusion and bonding, in addition, be bonded to by roll extrusion and have a preset thickness.
The watch shell 30 and the back of the body covers 33 and are formed by clad material, and watch shell 30 and carrying on the back covers 33 and non-magnetic member 42 and 43 so be formed in the bond state of one.
In addition, also can form and fixing non-magnetic member 42 and 43, so that it is bonded to watch shell 30 and the back of the body covers 33.
In this case, by using the wet electroforming that is coated with method, spray-gun process etc., non-magnetic member 42 and 43 is formed on watch shell 30 and the back of the body and covers in 33 the preposition.
Mention electrocasting, be described as an example getting following situation, wherein, copper is deposited on the back of the body lid 33 that is made of stainless steel to form non-magnetic member 42.
At first, as shown in figure 29, a mask 60 that is made of the organic material such as an epoxy resin is formed on the back of the body and cover on 33 the surface, gets rid of and carries on the back the predetermined portions that covers 33 rising part 33a inside.
Next, do not have at mask 60 to implement electrolytic degreasing on the inside surface of the back of the body lid 33 that forms, and water washes.Then, a negative electrode is connected to the back of the body and covers 33, implements electroforming then with cement copper 61 in a copper sulphate groove.
At this moment, composition and the condition in the groove set in the following manner.
250g/l copper sulphate, 60g/l sulfuric acid,
20 to 50 ℃ of temperature,
Current density 2 is to 20A/dm
2,
20 to 30 hours time, (it is set corresponding to precipitation thickness, with this understanding, obtains the thickness of about 150 μ m in six hours), and
PH value 0.8 to 1.1.
In copper 61 precipitation and after having a predetermined thickness, the back of the body covers 33 and is immersed in the organic solvent to peel off mask 60 like this.After this, the back of the body cover 33 waters and washes, and gives drying, covers in 33 the preposition so that non-magnetic member 42 is formed on to carry on the back.
Although non-magnetic member 42 and 43 is separately positioned on watch shell 30 in watchcase structure as shown in Figure 1 and the back of the body covers on 33, can improve receiving sensitivity, even non-magnetic member is arranged on the watch shell 30 simply or the back of the body covers on 33.
Therefore, needn't always provide non-magnetic member on 33 with carrying on the back cover at watch shell 30.
In addition, also can have such structure with non-magnetic member 42 and 43 and antenna 37 between a resin plate is provided, or cover the surface of non-magnetic member 42 and 43 with a resin bed, thus, prevent that antenna 37 and non-magnetic member 42 and 43 from contacting with each other and damage antenna 37.
According to example 1, can improve receiving sensitivity and do not use the special structure of the glass that is used for the watchcase structure etc., for example, the watch shell 30 and the back of the body cover 33.Therefore, can provide a radio controlled table to receive and comprise the electric wave of temporal information etc., and not hinder it to carry.
In addition, titanium, stainless steel etc. can be used for covering 33 watchcase such as the watch shell 30 and the back of the body.Therefore, can use such watchcase, it has the quality of stable water proofing property and has the presentation quality of feeling of high class.
In addition, can not the such mode of common table of radio controlled table, design and make such as the watch shell 30 and the back of the body and cover 33 watchcase.Therefore, can improve the design variable of the watchcase in the radio controlled table and common epiphase works as.
(example 2)
Fig. 4 is a stereographic map that decomposes, and the watchcase structure according to the radio controlled table of another example of the present invention is shown, and Fig. 5 is the cross-sectional plan view along the axis intercepting of a bar.
Radio controlled table according to this example has two groups, and it comprises one first exterior part 53 and one second exterior part 54 among the watchcase A, and this watchcase A covers 51 and one hurricane globe 52 by a watch shell 50, a back of the body.
In this example, one structure is applied to watchcase as in Example 1, in this structure, resin plate be arranged on non-magnetic member 42 and 43 and antenna 37 between, non-magnetic member 42 and 43 surface cover to prevent that antenna 37 and non-magnetic member 42 and 43 from contacting with each other and damage antenna with resin bed.
Specifically, one such as the such non-conducting material of resin plate, or the material with a low resistivity is used for watch shell 50 and the back of the body covers 51, and antenna is surrounded by these parts, thus, prevents to damage antenna.
The watch shell 50 and the back of the body covers 51 and are formed by a non-conducting material, for example, and a synthetic resin, rubber or the material with a low resistivity ceramic or such as gold, silver, copper, brass, aluminium, magnesium or their alloy.In addition, hurricane globe 52 is formed by a glass, and it is non-conducting material and the shoulder part that is fixed to watch shell 50 by sealing gasket.
As shown in Figure 4, watch shell 50 has a cylindrical outstanding bar 56.As shown in Figure 5, a clock face plate, a pointer (not shown), and a movement 60 and a spike antenna 61 are contained in the watchcase.
The clock face plate by one such as synthetic resin or the pottery non-conducting material form.Movement 60 is provided with a shoulder part 63, and it comprises that one has the big bottom of a minor diameter.The back of the body cover 51 have an annular outstanding 66 and be fixed to watch shell by a sealing gasket 65 usefulness screws 64, annular is given prominence to the shoulder part 63 of shifting movement 60 on 66 onto, so that movement and clock face plate are oppressed and be fixed to the shoulder part of watch shell 50.
First exterior part 53 and second exterior part 54 are formed by the thin conductive material such as stainless steel, titanium or titanium alloy.
As shown in Figure 4, first exterior part 53 has the shape of the disk of an annular, and comprise that one outwards and downwards is arranged on the inclined-plane 53a in the top, and a shoulder part 53b on lower surface, first exterior part 53 is bonded to the planar section 50d of the outstanding part of the annular of one on the upper surface that is positioned at watch shell 50.
On the other hand, second exterior part 54 has a cylinder form by one and covers the side surface cover part 54a of the side surface of watch shell, and an inwardly outstanding bonding part 54b in top.In addition, the upper surface of bonding part 54b is an inclined-plane, and its gradient that has is identical with the gradient of the inclined-plane 53a of first exterior part 53, thus, forms an outward appearance.
As shown in Figure 4, in addition, a watchband connection leg part 76 is formed on the two ends.This side surface cover part 54a is fixed to the side surface of watch shell 50 with a screw 71.In addition, side surface cover part 54a is provided with an opening portion 73, and bar 56 is projected in the described opening 73.Bonding part 54b engages with the shoulder part 50c of watch shell 50 with being press-fitted contact.
Side surface cover part 54a radially has a little thickness, and watch shell 50 has a big thickness.Therefore, side surface cover part 54a is provided with away from spike antenna 61.
Although watch shell has a big thickness, especially, the side surface cover part 54a of second exterior part 54 is enough to cover greatly the side surface of watch shell 50, therefore, greatly alleviates the shortcoming of reception.
According to example 2, cover 51 watchcase such as the watch shell 50 that holds antenna 61 and the back of the body, form by non-conducting material or material with a low resistivity.In addition, being attached to first exterior part 53 and second exterior part 54 of these watchcase outsides, especially, being used for covering second exterior part 54 of the outer surface of watch shell, is a conductive material such as metal.
With the watchcase itself that is used for holding antenna 61 is to be compared by the watchcase that a conductive material forms, and therefore, can increase the distance between the antenna 61 and first exterior part 53 and second exterior part 54 (for example, being the metal of conduction).Therefore, be difficult to cause the reception shortcoming of antenna 61.Therefore, antenna 61 can receive well electric wave and can the raising table in receiving feature and accuracy.
In addition, the material that has low resistivity such as the non-conducting material or of a resin plate is applied to watch shell 50 and the back of the body covers 51, and antenna is surrounded by these parts.Therefore, can prevent the damage of antenna.
In addition, first exterior part 53 and second exterior part 54 of metal by conduction gives the outward appearance that radio controlled table one has the metal sense.Therefore, watchcase visually can be regarded the metal of a solid as.Although a non-conducting material such as synthetic resin is used for watchcase, can prevent that feeling of high class and careful vision from being destroyed.
(example 3)
According to " 1. the watch shell of selecting according to example 1 30, the back of the body cover 33 and the result of the test of non-magnetic member 42 and 43 ", wherein, watch shell and back of the body lid are formed by the non-magnetic member such as gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy, described metal have resistivity be 7 μ Ω-Cm or less than, can suppress reducing of receiving sensitivity, and a metal shell can be used for radio controlled table.
If the part of watch shell and back of the body lid is formed by non-magnetic member, and, even other parts are formed by titanium, titanium alloy, stainless steel, tungsten carbide, tantalum carbide etc., also can make receiving sensitivity reach a splendid state.
In addition, non-magnetic member does not only need by a kind of formation the in all metals, even watchcase or its part form by two kinds in all metals of bonding at least, can obtain identical advantage yet, and adhesive method can be by diffusion bonding, soldering, bonding agent, caulking joint etc.
Next, will wait description one example according to the result of above-mentioned test.
Fig. 6 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
One watch shell 30 has an almost columniform shape, and a glass 32 is attached to the shoulder part 30a on the inner peripheral of setting upper shed part in the accompanying drawings by a sealing gasket 31.In addition, a back of the body cover 33 by such as be press-fitted, method screw thread or the screw is attached to the under shed part in the accompanying drawing.
As shown in Figure 6 back of the body lid 33 is attached to watch shell 30, one sealing gaskets 44 and is inserted between the inner surface 30c of annular section 33a and watch shell 30 by being press-fitted method.
Covering 33 according to the watch shell 30 of this example and the back of the body is formed by body part 30d and 33d, they by have resistivity be 7.0 μ Ω-Cm or less than brass material constitute, it makes receiving sensitivity be in a splendid state in above-mentioned test, and carry out mirror polish, then, will polish from the teeth outwards and thus such as the electrodeposited coating 30e and the 33e formation of palladium (Pd) by wet electroplating method.
The watch shell 30 and the back of the body cover 33 electrodeposited coating 30e and 33e and are formed by wet plating method, and this will be described hereinafter.
In order to form a substrate coating, at first, the plating on body part 30d and the 33d is carried out under following condition:
Electroplating bath (composition: NaSnO
33H
2O 60g/l, CuCN 20g/l, K
2SO
3H 10g/l, KCN (freedom) 30g/l, KOH 60g/l, Zn (CN)
25g/l),
50 ℃ of groove temperature,
Current density 2.4A/dm
2,
pH?12.5，
Settling velocity 0.33 μ m/min, and
6 minutes time.
Therefore, the thickness substrate coating that is about the Cu-Sn-Zn alloy of 2 μ m is formed on the surface of body part 30d and 33d.
Next, the plating implementing under the following condition on the substrate coating thus, forms the coating of a Sn-Cu-Pd alloy.
Electroplating bath:
(composition: NaSnO
33H
2O 60g/l (Sn conversion amount 26.7g/l), CuCN 20g/l (Cu conversion amount 14.2g/l), K
2SO
3H 10g/l, KCN (freedom) 30g/l, KOH 60g/l, K
2Pd (CN)
43H
2O 30g/l (Pd conversion amount 9.3g/l)),
The plating condition:
50 to 55 ℃ of groove temperature,
Current density 2.0A/dm
2,
Current efficiency 47.8%,
PH12.5 to 13,
Settling velocity 0.33 μ m/min, and
9 minutes time.
By electroplating, thickness be about 3 μ m, hardness (Hv) be about 300 and density be 9.6g/cm
3The Sn-Cu-Pd alloy be formed on the substrate coating.
The composition of coating is by means of determining that scanning electron microscope and X line differential analyzer are simplified.Therefore, determine one or three heavy metal, Sn:17.12% (weight meter), Cu:44.22% (weight meter), Pd:38.66% (weight meter).
Then, under following condition, electroplating on the Sn-Cu-Pd alloy, to form the coating of a polishing.
Electroplating bath:
(by JAPAN PURE CHEMICAL CO., " PALLABRIGHT SSS " (trade (brand) name) that LTD makes).
The plating condition:
55 ℃ of groove temperature,
Current density 5A/dm
2,
pH?7.6，
Settling velocity 0.33 μ m/min, and
6 minutes time.
By electroplating, white and glossiness Pd coating that thickness is about 2 μ m form, and like this, finish coating 30e and 33e.
Even carry out a corrosion resistance test, that is, the watch shell 30 and the back of the body that are provided with aforesaid coating 30e and 33e cover 33, continued to be immersed in the artificial sweat (40 ℃ of temperature) 24 hours, can not fade in this surface, but have a splendid corrosion resistance yet, and artificial sweat contains following ingredients:
Sodium chloride 9.9g/l,
Sodium sulphate 0.8g/l,
Urea 7.1g/l,
Ammoniacal liquor 0.19ml/l,
Sucrose 0.2g/l, and
Lactic acid (50%) 0.8ml/l.
Even carry out a heat test, watch shell 30 and the back of the body covers 33 stay 200 ℃ of temperature and assigned 5 hours, do not see that fully electrodeposited coating 30e and 33e peel off, so can improve its thermotolerance yet.
Watch shell 30 holds a movement 34, and it comprises receiver, CPU, display driving part of radio controlled table etc., and they are presented among aforesaid Figure 26.
A clock face plate 35 and pointer 36 as the time showing part are provided with the top of movement 34 in the drawings.Among the figure, movement 34 abuts against the clock face plate 35 on the lower surface of interior outshot 30b of the shoulder part 30a that forms watch shell 30 and is located, and be inserted in clock face plate 35 and be arranged between the resin central frame 45 on the upper surface that the back of the body covers 33 rising part 33a, and fix thus.
In addition, a predetermined space is arranged on movement 34 and the back of the body covers between 33, and antenna 37 is arranged in this space.Antenna 37 is made of magnetic core piece 38 of rod (being formed by ferrite material etc.) and the coil 40 that is wound on around the magnetic core piece 38, and is fixed to the lower surface of movement 34.
In having the radio controlled table of structure as mentioned above, the CPU operation display driving part in the movement 34 thus, drives all the time according to the standard wave that is received by antenna 37 and to correct pointer 36.At this moment, according to this example, the watch shell 30 and the back of the body cover 33 and are formed by the non-magnetic member in the watchcase.Therefore, near the interference of the resonance phenomena of antenna can be reduced, receiving sensitivity can be improved thus.
In addition, as mentioned above, the watch shell 30 and the back of the body cover 33 and stand the surface finish processing.Therefore, be provided for the necessary corrosion-resistant and thermotolerance of watchcase, in addition, a white background metallic luster makes us having qualitative perception and feeling of high class.Therefore, also can improve the quality of outward appearance.
(example 4)
Fig. 7 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Structure according to this example is identical with the structure of above-mentioned example 3, and the watch shell 30 and the back of the body covers 33 material and surface finish processing and be not quite similar each other.Reason will describe material and surface finish in detail and handle for this reason.
Watch shell 30 according to this example is formed by a body part 30f, and this body part is made of tungsten carbide material (hard material), and stands mirror polish and handle, yet an electrodeposited coating 30g electroplates formation also therefore surface treatment from the teeth outwards by dry method.
On the other hand, the back of the body covers 33 and is formed by brass material, its be have resistivity be 7 μ Ω-Cm or less than non-magnetic member, and stand mirror polish, the substrate coating of the Cu-Sn-Zn alloy of describing in example 3 and the coating of Sn-Cu-Pd alloy are formed by wet plating method, one coating 33i (identical with the coating on being formed on watch shell 30) forms from the teeth outwards by doing the plating method, and therefore surface treatment.
Implement to electroplate by following process, form coating 30g and 33i.
At first, by the condition described in electroplating bath and the example 3, the substrate coating of Cu-Sn-Zn alloy is formed on the back of the body and covers on 33 the surface, and the coating of Sn-Cu-Pd alloy is formed on the surface thereof.
Next, back of the body lid 33 and the body part 30f that is formed by tungsten carbide carries out degreasing, clean and dry.Thereafter, the body part 30f and the back of the body cover 33 and are set in the ion plating device, and device inside pumps, and then, introduce argon arc and are set to 1.0 * 10 with the vacuum tightness in will installing
-2Holder.
The thermoelectron filament and the plasma electrode that are arranged in the device are operated, and to produce an argon plasma, thus, reach 10 minutes with an icon bombardment cleaning surface.
Thereafter, a nitrogen is incorporated in the device, and the vacuum tightness in the device remains on 2.0 * 10
-3Holder, plasma is produced by the plasma gun of device, and Ti side by side evaporates and continues 5 minutes, and thus, thickness is that the TiN layer of 0.25 μ m is formed on watch shell 30 and the back of the body and covers on 33 the surface.
In addition, the evaporation of Ti and the introducing of nitrogen stop, and then, containing the Ti evaporation of 50 atomic percents and form a thickness on the TiN layer is the Au-Ti alloy layer of 0.3 μ m, thus, finishes coating 30g and 33i.
Be provided with the watch shell 30 of aforesaid coating 30g and 33i and the back of the body and cover 33 color and the gloss with gold,, can show the gold tone of the uniform special use of the 1N-14 look that satisfies Switzerland's deaurate standard as its tone.
By the actual tone that records of color difference meter is L ' 80, and a ' 1.0, and b ' 15.0.According to the result that X linear light electron spectroscopy methods analyst draws, the coating 30g and the 33i of Xing Chenging constitutes thus: gold is 88 atomic percents, and titanium is 6.5 atomic percents, and nitrogen is 0.5 atomic percent, and oxygen is 2 atomic percents, and carbon is 3 atomic percents.
The reference table housing 30 and the back of the body cover 33, even use as lasting 24 hours of artificial sweat enforcement corrosion resistance test identical in the example 3, is also found corrosion and faded at all.
In the watchcase according to this example, even watch shell 30 is formed by tungsten carbide, the back of the body covers 33 and also forms with non-magnetic member.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity improved.
In addition, as mentioned above, coating is formed on watch shell 30 and the back of the body covers on 33, and stand surface finish and handle.Therefore, be used as the corrosion resistance that watchcase or suchlike parts provide a necessity.In addition, the gold tone that also has feeling of high class.Therefore, also can improve presentation quality.
Be used for some watchcase of watch shell 30 at the tungsten carbide as this example, the surface is stood mirror polish simply and is handled, even and do not implement to do the plating method and also can therefore be used as watchcase.
(example 6)
Fig. 8 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Also the structure with above-mentioned example 3 is identical according to the structure of this example, and the watch shell 30 and the back of the body covers 33 material and surface finish processing and be not quite similar each other.Reason will describe material and surface finish in detail and handle for this reason.
Watch shell 30 according to this example is formed by a stainless steel material (Austenitic) fully, implements the polishing of hair figure from the teeth outwards.
On the other hand, cover in 33 at the back of the body, body part 33f is formed by stainless steel material (Austenitic), and buries the filling member 33g in the opening portion that is provided with on body part 33f with soldering, by have resistivity be 7 μ Ω-Cm or less than the brass material of non-magnetic member form.In addition, then, a coating 33h is formed on a surface by wet plating method and dried plating method and goes up and therefore finish surface treatment.
At first, with condition identical described in the above-mentioned example 3 under implement to electroplate, the coating of the coating of Cu-Sn-Zn alloy, Sn-Cu-Pd alloy and Pd coating are formed on the surface of the filling member 33g that is made of brass material continuously.
Next, the body part 30f that is formed by stainless steel material cleans together with coated filling member 33g is set with an organic solvent, and is arranged in the ion plating device.
Thereafter, device inside is emptied to 1.0 * 10
-5Argon gas to 3 * 10 are introduced in holder then
-3Holder.Then, the thermoelectron filament and the plasma electrode that are arranged in the device are driven, to form an argon plasma.
At this moment, one-50V electromotive force is applied to the back of the body and covers on 33, reaches 10 minutes to implement an icon bombardment cleaning.After this, stop to introduce argon gas, a nitrogen is incorporated in the device, and the vacuum tightness in the device remains on 1.0 * 10
-3Holder, plasma is produced by the plasma gun that is arranged in the device, and the Ti evaporation continues 10 minutes.Its result, the coated film that is formed by the Ti nitride with 0.2 degree of nitriding are formed on the back of the body and covers on 33 the surface, and its thickness is 0.5 μ m, installs inside and is emptied to 1.0 * 10
-5Holder.
Next, argon gas is incorporated in the device, reaches 1.0 * 10
-3Holder thus, produces a plasma, then, evaporates one gold medal-cobalt potpourri, and it has the gold of 55 atomic percents and the cobalt of 45 atomic percents, when the thickness of the gold-cobalt-base alloy film that precipitates reaches 0.3 μ m, stops the evaporation of gold-cobalt potpourri.
Implement to analyze the result who draws according to X linear light electron spectroscopy method, to contain gold be 63 atomic percents to the coating 33h of Xing Chenging thus, and cobalt is 37 atomic percents.In addition, the back of the body lid 33 that is provided with coating 33h has light and white tone uniformly.
In watchcase according to this example, even covers a part of 33, the watch shell 30 and the back of the body form by stainless steel material, carry on the back and cover 33 and also can have the part that forms by non-magnetic member.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity improved.
Yet as mentioned above, coating 33h is formed on filling member 33g and carries on the back on the body part 33f that covers in 33, and therefore surface finish can be implemented.Therefore, provide the necessary corrosion resistance that is used for watchcase.In addition, the white tone that also has feeling of high class.Therefore, also can improve presentation quality.
Be preferably, should form the outer shape that is slightly larger than antenna 37 according to the opening portion of the body part 33f of the back of the body of this example lid 33.
(example 7)
Fig. 9 is a sectional view, and the watchcase structure according to the radio controlled table of another example of the present invention is shown.
Also the structure with above-mentioned example 3 is identical according to the structure of this example, and the watch shell 30 and the back of the body covers 33 material and surface finish processing and be not quite similar each other.Reason will describe material and surface finish in detail and handle for this reason.
Watch shell 30 according to this example is formed by a 18K alloy material (argentiferous and copper) fully, its be have resistivity be 7 μ Ω-Cm or less than non-magnetic member, the surface is stood mirror polish and is handled.
The back of the body cover 33 and is formed by a stainless steel material (Austenitic) fully, in the watchcase according to this example, covers 33 and is formed by stainless steel material even carry on the back, and watch shell 30 also can be formed by non-magnetic member.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity improved.
In addition, except whole structures is formed by non-magnetic member, even in body, bezel and the back of the body lid only a part form by non-magnetic member, also can improve receiving sensitivity.In this watchcase, be effectively, only antenna 37 is projected into that part on it abreast, or is relatively partly formed by non-magnetic member to one of antenna 37 ends, and this is preferable.
In addition, except only using a kind of non-magnetic member, also can use a plurality of non-magnetic member combinations.
(example 8)
Carry out a test that is used for checking the relation between a receiving sensitivity and the watchcase at first, in the following manner.
2. a test that is used for checking the relation between receiving sensitivity and the watchcase:
2-1 tests summary
Shown in Figure 10 and 11, the body thickness T1 of watch shell 25, the distance D 1 between the inside surface of antenna 26 and watch shell 25, the back of the body cover 27 back of the body lid thickness T 2, and the distance D 2 that antenna 26 and carrying on the back covers between 27 the inside surface is selected as all parameters.
Four parameters and from test, obtain respectively as the relation between the gain of the peak height of antenna 26 received signals.
Watch shell 25 in the respectively test that will describe below, the antenna 26 and the back of the body cover 27, and the watch shell that is used to test that forms with supposing them to be used as watchcase, antenna and the back of the body cover identical.
In addition, cover 27 material with regard to the watch shell 25 and the back of the body, consider the factor such as high presentation quality, price of high workability, life-span, corrosion-resistant, product, select stainless steel, titanium, titanium alloy, gold, silver, copper, brass, aluminium, zinc, magnesium, or their alloy, and contain the tungsten carbide of hard metal and the alloy of tantalum carbide.
In all tests, the error of several dB gains is arranged all.Yet the relation (shaped form of chart) between each parameter and the gain seldom changes.Therefore, in each test (will be described below), demonstrate each numerical value (especially, the Austenitic stainless steel is preferable, for example, SUS304, SUS304L, SUS316, SUS316L etc.) in 27 using stainless steel to cover as watch shell 25 and the back of the body.
Relation between 2-2 body thickness T1 and the receiving sensitivity:
In this test, the gain of the received signal of the variation of measurement satellite thickness T 1 from 0 to 5000 μ m.
In this test, using diameter of wire is the antenna that is used to test of 1500 circles of 65 μ m, as the antenna that is arranged in the watch shell 25.
In addition, distance D 1 is set at constant 1000 μ m between watch shell 25 and the antenna 26, and to cover 27 back of the body lid thickness T 2 are 800 μ m and be used to carry on the back, and the distance D 2 that the antenna 26 and the back of the body cover between 27 is set at constant 100 μ m.Then, implement from the test of the transmission antennas transmit 40kHz signal that is arranged on a precalculated position.
Its result, as shown in figure 12, when body thickness increased, the gain of received signal was that pact-50dB of 0 μ m (state of watch shell is not set) little by little reduces from body thickness T1.When body thickness T1 reached 5000 μ m, this reducing reached capacity.
Solid line shown in Figure 12 is to obtain curve of approximation from test figure.
Test according to above-mentioned has found that, when body thickness T1 surpassed 5000 μ m, gain reduced to be saturated to a constant, and the value that obtains this moment is minimum.By body thickness T1 being set at 0 to 5000 μ m, therefore, can improve gain to minimum value.
Consider the intensity of the watchcase that in above-mentioned scope, uses, be preferably that body thickness T1 should be set in 300 μ m to actual peaked 5000 μ m.In addition, for the outward appearance of considering watchcase, workability, corrosion-resistant etc. and form the body an of the best, body thickness T1 preferably should be set in the scope of 500 to 2000 μ m.
2-3 is 25 distance D 1 and the relation between the receiving sensitivity from antenna 26 to watch shell:
In this test, measurement is with the gain of the received signal of the variation of distance D 1 from 0 to the 40000 μ m between antenna 26 and the watch shell 25.
Figure 13 illustrates the measurement result of from 0 to 20000 μ m.
In this test, using diameter of wire is the antenna that is used to test of 1500 circles of 65 μ m, as the antenna that is arranged in the watch shell 25.
In addition, the body thickness T1 that is used for watch shell 25 is 2000 μ m, and to cover 27 back of the body lid thickness T 2 are 800 μ m and be used to carry on the back, and the distance D 2 that the antenna 26 and the back of the body cover between 27 is set at constant, that is, and and 100 μ m.Then, implement from the test of the transmission antennas transmit 40kHz signal that is arranged on a precalculated position.
Its result, as shown in figure 13, when distance D 1 when the 0 μ m (part of antenna 26 and watch shell 25 state of contact) of pact-54.5dB increases, the gain of received signal little by little reduces.
In this test, the gain of received signal is only having the back of the body cover that (that is, in the watchcase that watch shell 25 has been removed) is-50.34dB in 27 the watchcase.When gain has above-mentioned identical value, obtain the distance D 1 between antenna 26 and watch shell 25, therefore, the rising of gain reaches capacity.
The distance D 1 above-mentioned so that reach capacity that gains is 40000 μ m, and it does not give in Figure 13 and illustrating.Even antenna 26 and watch shell 25 are separated from one another with big distance, gain can not increase yet.Solid line shown in Figure 13 is to obtain curve of approximation from test figure.
Test according to above-mentioned has found that, if the distance D between antenna 26 and the watch shell 25 1 increases, then gain can be improved, and can improve receiving sensitivity, if distance D 1 surpasses 40000 μ m, then gain saturation is to a constant.
If distance D 1 is set at 0 to 40000 μ m, then gain can improve.Consider that one can be used as the size of the watchcase in the above-mentioned scope, this distance D 1 preferably should be set at 500 to 10000 μ m.
The 2-4 back of the body covers the relation between thickness T 2 and the receiving sensitivity:
In this test, measurement is with the gain of the received signal of carrying on the back the variation of covering thickness T 2 from 0 to 5000 μ m.
Figure 14 illustrates the measurement result of from 0 to 30000 μ m.
In this test, using diameter of wire is the antenna that is used to test of 1500 circles of 65 μ m, as an antenna.
In addition, distance D 1 is set at constant between watch shell 25 and the antenna 26, that is, and and 1000 μ m, and the body lid thickness T 1 that is used for watch shell 25 is 2000 μ m, the distance D 2 that the antenna 26 and the back of the body cover between 27 is set at constant, that is, and 100 μ m.Then, implement from the test of the transmission antennas transmit 40kHz signal that is arranged on a precalculated position.
Its result as shown in figure 14, has found that, the gain of the received signal pact-43.4dB from 0 μ m (back of the body is not set covers 27 state) to 800 μ m suddenly descends, and gain does not have very big variation with the back of the body lid thickness of 800 μ m to 5000 μ m.5000 μ m are not presented among Figure 14.
In other words, have found that the back of the body covers thickness T 2 and has minimum value 800 μ m.Solid line shown in Figure 14 is to obtain curve of approximation from test figure.
Allow in the minimum value reality, consider the intensity of the watchcase that uses in above-mentioned scope, the back of the body covers thickness T 2 preferably should be set in 100 μ m to the scope of actual maximal value 50000 μ m.
In addition, for the outward appearance of considering watchcase, workability, corrosion-resistant etc. and form the back of the body lid an of the best, body thickness T2 preferably should be set in the scope of 300 to 2000 μ m.
2-5 covers 27 distance D 2 and the relation between the receiving sensitivity from antenna 26 to the back of the body:
In this test, measure the gain of covering the received signal of distance D 2 from 0 to the 5000 μ m variation between 27 with the antenna 26 and the back of the body.
In this test, using diameter of wire is the antenna that is used to test of 2000 circles of 65 μ m, as an antenna that is provided with.
In addition, the body thickness T1 that is used for watch shell 25 is 2000 μ m, and the distance D 1 between watch shell 25 and the antenna 26 is set at 10000 μ m.Then, implement from the test of the transmission antennas transmit 40kHz signal that is arranged on a precalculated position.
Its result, as shown in figure 15, when increasing, the gain of received signal little by little increases from 0 μ m (part of antenna 26 is covered 27 state of contact with the back of the body) at pact-49.6dB when distance D 2.
In this test, the gain of received signal (that is, the back of the body covers in 27 watchcases of having removed) in the watchcase that watch shell 25 is only arranged is-38.8dB.When gain has above-mentioned identical value, obtain to cover distance D 2 between 27 at antenna 26 and the back of the body, therefore, the rising of gain reaches capacity.
The distance D 2 that the gain rising reaches capacity thus is 5000 μ m.Even the antenna 26 and the back of the body covers the 27 bigger distances that are separated from each other, gain and also can improve.Solid line shown in Figure 15 is the curve of approximation that obtains from test figure.
Test according to above-mentioned has found that, if the distance D 2 that the antenna 26 and the back of the body cover between 27 increases, then gain can be improved, and can improve receiving sensitivity.Yet if distance D 2 surpasses 5000 μ m, gain is risen and is saturated to a constant.
If distance D 2 is set at 0 to 5000 μ m, then gain can improve.Consider that one can be used as the size of the watchcase in the above-mentioned scope, this distance D 2 preferably should be set at 100 to 700 μ m.
Next, will one example be described according to test findings.
Figure 16 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
One watch shell 30 has the shape of a substantial cylindrical, and a glass 32 is attached to the shoulder part 30a on the inner peripheral of setting upper shed part in the drawings by sealing gasket 31.In addition, a back of the body cover 33 by such as be press-fitted, screw thread or screw be fixed to the under shed part among the figure.
Back of the body lid 33 shown in Figure 16 arrives watch shell 30 by press-fit attachment, and sealing gasket 44 is inserted between the inner surface 30c of a rising part 33a and watch shell 30.
In addition, watch shell 30 holds a movement 34, and it comprises receiver, CPU, display driving part of radio controlled table etc., and they are presented among above-mentioned Figure 26.
A clock face plate 35 and pointer 36 setting movement 34 tops in the drawings as the time showing part.Movement 34 abuts against by clock face plate 35 on the lower surface of interior outshot 30b of shoulder part 30a of the watch shell 30 among the formation figure and is located.Its result, movement 34 is inserted in clock face plate 35 and is arranged between the resin central frame 45 on the upper surface that the back of the body covers 33 rising part 33a, and fixes thus.
In addition, a predetermined space is arranged on movement 34 and the back of the body covers between 33, and antenna 37 is arranged in this space.Antenna 37 is made of rod magnetic core piece 38 and the coil 40 that is wound on around the magnetic core piece 38, and is fixed to the lower surface of movement 34.
In this example, the watch shell 30 and the back of the body cover 33 and are formed (for example, SUS316L) by the Austenitic stainless steel.
In addition, according to test findings, the body thickness T1 of watch shell 30 is set at 1600 μ m, and the distance D 1 of 30 inside surface is set at 2000 μ m from antenna 37 to watch shell.
In addition, the back of the body cover 33 back of the body lid thickness T 2 and is set at 800 μ m, and is set at 3000 μ m from antenna 37 to carrying on the back the distance D 2 of covering 33 inside surface.
In having the radio controlled table of said structure, according to the standard radio wave that is received by antenna 37, the CPU operation display driving part in the movement 34 thus, drives and corrects pointer 36 all the time.
At this moment, in this example, the watch shell 30 and the back of the body cover 33 by having forming such as stainless steel metal of low receiving sensitivity described in example 1, in addition, body thickness, the back of the body cover thickness, and the distance setting between antenna and body and the back of the body lid is all values that have according to test findings, and they can be set at optimum reception sensitivity respectively.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity can be improved.
From the test of example 1, determined already, if have resistivity and be 7.0 μ Ω-cm or less than non-magnetic member, for example, gold, silver, copper, brass, aluminium, zinc, magnesium or their alloy, be attached to the back of the body and cover 33 the inside surface or the inside surface of watch shell 30, then gain raising about 2 is to 3dB.
In addition, also can cover 33, or both go up the cure process of implementing such as Carburization Treatment at the watch shell 30 or the back of the body.Do not see reducing of the receiving sensitivity that causes by carrying out cure process.
(example 9)
Figure 17 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
In this example, it is identical with the structure of example 8 with the basic structure of shape that the back of the body covers 33 grades to relate to watch shell 30.In addition, the watch shell 30 and the back of the body covers 33 material, the body thickness T1 of watch shell 30, and the distance D 1 between antenna 37 and the watch shell 30, the back of the body cover 33 the back of the body and covers thickness T 2, and antenna 37 and carry on the back the distance D of covering between 33 2 and all be not quite similar.Reason for this reason, these will be described in detail.
Covering 33 according to the watch shell 30 of this example and the back of the body is formed by titanium.In the watch shell that formed by titanium 30 and the back of the body covers 33 watchcase, suppose standard corresponding to the high pressure of water proofing property, body thickness T1 is set at 20000 μ m, and it is greater than the thickness in the example 8, similarly, carries on the back and covers thickness T 2 and also be set at 1000 μ m.
Yet, cover relation between 33 the material according to watch shell 30 and the back of the body, even antenna 37 and watch shell 30 and the back of the body covers distance increase between 33, also can obtain a receiving sensitivity of permitting.Therefore, the distance D 1 between antenna 37 and the watch shell 30 is set at 500 μ m, and the distance D 2 that the antenna 37 and the back of the body cover between 33 is set at 400 μ m.
Also in this example, the watch shell 30 and the back of the body cover 33 and are formed by the metal such as titanium with the low receiving sensitivity described in example 1.Yet body thickness, the back of the body covers thickness, and the distance setting between antenna and body and the back of the body lid is all values that have according to test findings, and they can obtain the receiving sensitivity of the best respectively.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity can be improved.
Also in this example, with above-mentioned example 8 in identical non-magnetic member be attached to the back of the body and cover 33 the inside surface or the inside surface of watch shell 30.Therefore, gain can improve about 2 to 3dB.
In addition, also can cover 33, or on they both, implement cure process such as the nitriding processing at the watch shell 30 or the back of the body.Do not see reducing of the receiving sensitivity that causes by carrying out cure process.
(example 10)
Figure 18 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
In this example, the structure with each example 8 and 9 is identical basically with the basic structure of carrying on the back the shape of covering 33 grades to relate to watch shell 30.And that the watch shell 30 and the back of the body cover 33 material is inequality.Reason for this reason, these will be described in detail.
Brass material be have resistivity be 7.0 μ Ω-cm or less than non-magnetic member, in the test according to example 1, it makes receiving sensitivity reach optimum condition, and can set a body thickness etc., in addition, can improve receiving sensitivity more.
According to the watch shell 30 of this example and the back of the body cover 33 with example 8 in identical, exception be the execution plating.In addition, body thickness T1 is set at 1600 μ m, and the back of the body covers thickness T 2 and is set at 800 μ m.
In addition, cover distance between 33 with reference to antenna 37 and watch shell 30 and the back of the body, the distance D 1 between antenna 37 and the watch shell 30 is set at 2000 μ m, and antenna 37 and carry on the back the distance D of covering between 33 2 and be set at 3000 μ m.
The watch shell 30 and the back of the body covers 33 coating 30e and 33e by wet plating method formation, and this will be described below.
In order to form substrate coating, at first, on body part 30d and 33d, implement under the following conditions to electroplate:
Electroplating bath:
(composition: NaSnO
33H
2O 60g/l, CuCN 20g/l, K
2SO
3H 10g/l, KCN (freedom) 30g/l, KOH 60g/l, Zn (CN)
25g/l),
50 ℃ of groove temperature,
Current density 2.4A/dm
2,
pH12.5，
Settling velocity 0.33 μ m/min, and
6 minutes time.
Therefore, the thickness substrate coating that is about the Cu-Sn-Zn alloy of 2 μ m is formed on the surface of body part 30d and 33d.
Next, the plating implementing under the following condition on the substrate coating thus, forms the coating of a Sn-Cu-Pd alloy.
Electroplating bath:
(composition: NaSnO
33H
2O 60g/l (Sn conversion amount 26.7g/l), CuCN 20g/l (Cu conversion amount 14.2g/l), K
2SO
3H 10g/l, KCN (freedom) 30g/l, KOH 60g/l, K
2Pd (CN)
43H
2O 30g/l (Pd conversion amount 9.3g/l)),
The plating condition:
50 to 55 ℃ of groove temperature,
Current density 2.0A/dm
2,
Current efficiency 47.8%,
PH12.5 to 13,
Settling velocity 0.33 μ m/min, and
9 minutes time.
By electroplating, have the Sn-Cu-Pd alloy layer that thickness is about 3 μ m and be formed on the substrate coating, its hardness (Hv) is about 300, and density is 9.6g/cm
3
By means of a scanning electron microscope and an X line differential analyzer, determine the composition of coating simplifiedly.Therefore, determine one or three heavy metal, Sn:17.12% (weight meter), Cu:44.22% (weight meter), Pd:38.66% (weight meter).
Then, under following condition, electroplating on the Sn-Cu-Pd alloy, to form the coating of a polishing.
Electroplating bath:
(by JAPAN PURE CHEMICAL CO., " PALLABRIGHT-SSS " (trade (brand) name) that LTD makes).
The plating condition:
55 ℃ of groove temperature,
Current density 1.5A/dm
2,
pH7.6，
Settling velocity 0.33 μ m/min, and
6 minutes time.
By electroplating, white and glossiness Pd coating that thickness is about 2 μ m form, and like this, finish coating 30e and 33e.
Even carry out a corrosion resistance test, that is, the watch shell 30 and the back of the body that are provided with aforesaid coating 30e and 33e cover 33, continued to be immersed in the artificial sweat (40 ℃ of temperature) 24 hours, can not fade in this surface, but have a splendid corrosion resistance yet, and artificial sweat contains following ingredients:
Sodium chloride 9.9g/l,
Sodium sulphate 0.8g/l,
Urea 7.1g/l,
Ammoniacal liquor 0.19ml/l,
Sucrose 0.2g/l, and
Lactic acid (50%) 0.8ml/l.
Even carry out a heat test, watch shell 30 and the back of the body covers 33 stay 200 ℃ of temperature and assigned 5 hours, do not see that fully electrodeposited coating 30e and 33e peel off, so can improve its thermotolerance yet.
Also in this example, the watch shell 30 and the back of the body cover 33 and are formed by metal.Yet body thickness, the back of the body covers thickness, and antenna and body and the back of the body distance setting between covering is all values that have according to test findings, and they can obtain optimum reception sensitivity respectively.Therefore, can reduce near the interference of the resonance phenomena of antenna, so, receiving sensitivity can be improved.
In addition, the watch shell 30 and the back of the body covers 33 and stand the surface finish processing.Therefore, be provided for showing necessary corrosion-resistant and thermotolerance, in addition, have the metallic luster of the white background of quality and feeling of high class in addition.
Also in example 8 to 10, if the back of the body lid 33 interior back ofs the body that a rising part is not formed on as shown in figure 18 cover on 33, and cause inside surface is smooth, cause the back of the body to cover 33 two-dimensional shapes that are on the plane, compare with the watchcase that rising part is set, can reduce the interference of antenna 37 resonance phenomena on every side more, and improve the about 2dB of receiving sensitivity more.
In addition, for size and the thickness that further reduces to show, consider the directivity of antenna 37, the distance setting that antenna 37 and watch shell 30 or the back of the body can covers between 33 is zero.
In addition, consider the directivity of antenna 37, can be arranged in such a way antenna 37: it is parallel to each other that the inside surface of the outside surface of antenna 37 and watch shell 30 or the back of the body covers 33 inside surface, or one of the end face of antenna 37 can be along being approximately perpendicular to the direction setting that the back of the body that is in the vertical uplift state covers 33 inside surface.
Constitute although cover 33 according to the watchcase of each example 8 to 10 by the watch shell 30 and the back of the body, also can use such watchcase, wherein, bezel or ring are arranged in the top of watch shell 30.
In addition, in this watchcase,, then can improve receiving sensitivity more if any one in body, bezel and the back of the body lid forms (will be described below) by non-magnetic member.By the bezel that separates with body is provided, can improve receiving sensitivity.
In addition, except entire infrastructure is made of non-magnetic member,, also can improve receiving sensitivity even the part during only body, bezel and the back of the body cover is formed by non-magnetic member.In this watchcase, effectively, only be the outstanding abreast part thereon of antenna 37, or the relative part of antenna 37 ends form by non-magnetic member, this is preferable.
In addition, except only using one type metal and non-magnetic member, also can use the combination of a plurality of metals and non-magnetic member.
At gold, silver, copper, brass, aluminium, zinc, magnesium, in the watchcase of their alloy or tungsten carbide, the result of test compares with the watchcase of stainless steel, titanium, titanium alloy and tantalum carbide, and gain can improve 2 to 3dB (decibels).In addition, go back susceptible of proof from same test, not only in the watchcase that watchcase is formed by the metal with high receiving sensitivity, and at watchcase by having in the watchcase that the metal that reduces receiving sensitivity forms, and the metal with high receiving sensitivity is arranged in its part, can improve the receiving sensitivity that is arranged on the antenna on the watchcase inboard.
In addition, relatively be used to the result of the resistivity of the metal tested, have found that, have resistivity and be 7 μ Ω-Cm or less than metal can keep high receiving sensitivity.Its result has found that, if whole watchcases or its part by such as gold, silver, copper, brass, aluminium, zinc, magnesium, or the non-magnetic member of their alloy and a hard metal forms, and then uses the watchcase of metal can have the receiving sensitivity of raising.
In addition, can confirm that if watchcase is formed by the metal such as the high receiving sensitivity of having of stainless steel, titanium, titanium alloy or tantalum carbide, the presentation quality of these materials is splendid, and their part has the part that is formed by non-magnetic member, then can improve receiving sensitivity.
With reference to the material of body, back of the body lid etc., in addition, a resin component is used for bezel etc., so that seem bright in luster, or a resin decoration is attached to the side surface of body, to reach the purpose of decoration.Obviously, in the basic element of character, use such structure of a metal to be included within the scope according to metal shell of the present invention.
(example 11)
Figure 19 is a sectional view, and the radio controlled table according to another example of the present invention is shown, and Figure 20 one illustrates the planimetric map of anti-magnetic sheet 38 shown in Figure 19, and this figure is the view of watching along the direction of back of the body lid.
Watch shell 14 has roughly cylindrical, and glass 18 is attached to the shoulder part 14a on the inner peripheral of setting upper shed part in the accompanying drawings by a sealing gasket 20.In addition, a back of the body cover 16 by such as be press-fitted, method screw thread or the screw is fixed to the under shed part in the accompanying drawing.
Back of the body lid 16 shown in Figure 19 arrives watch shell 14 by press-fit attachment.One sealing gasket 22 is inserted between the inner surface 14c of a rising part 16a and watch shell 14.
In addition, watch shell 14 holds a movement 24, and it comprises receiver, CPU, display driving part of radio controlled table etc.Play a clock face plate 26 and pointer 28 setting movement 24 tops in the accompanying drawings as the time showing part.
The positioned adjacent that movement 24 passes through clock face plate 26 is on the lower surface of inner outshot 14b, and in the accompanying drawing, outshot 14b forms the shoulder part 14a of watch shell 14.Movement 24 is inserted in clock face plate 26 and is arranged between the resin central frame 30 on the upper surface that the back of the body covers 16 rising part 16a, and fixes thus.
In addition, a predetermined space is arranged on movement 24 and the back of the body covers between 16, and an antenna 32 is arranged in this space.
In addition, in this example, anti-magnetic sheet 38 is arranged on movement 24 and carries on the back in the space of covering between 16.
In the anti-magnetic sheet 38 according to this example, the end portion of rising part 38a arrives movement 24 by inclined-plane or screw retention.
In addition, anti-magnetic sheet 38 is provided with an opening portion 38b.When anti-magnetic sheet 38 was attached on the movement 24, opening portion 38b was arranged to be positioned at the part (a relative part) relative with antenna 32.
In this example, antenna 32 is arranged on the angle of lower surface of movement 24, so that the axis of magnetic core piece 34 is along rotating with the direction of the bilateral direction quadrature of table.
Reason prevents that the opening portion 38b of magnetic sheet 38 is arranged on a certain position for this reason, and wherein, antenna is projected on the anti-magnetic sheet 38 along the direction on the plane of the antenna 32 that is parallel to the axis that comprises magnetic core piece 34.In addition, the inside dimension of opening portion 38b is set at and equals or slightly greater than the outside dimension of antenna 32.
In having the radio controlled table of said structure, the CPU in the movement 24 operates display driving part according to the standard radio wave that antenna 32 receives, and thus, drives and corrects pointer 28 all the time.
At this moment, in this example, movement 24 is surrounded by anti-magnetic sheet 38.Therefore, the driving of pointer operation is not subjected to the influence of external magnetic.In addition, anti-magnetic sheet 38 is provided with opening portion 38b.Therefore, antenna 32 leads to the back of the body and cover 16 direction, so that radio signal can be received, and is not subjected to prevent the shielding of magnetic sheet 38.
(example 12)
Figure 21 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
In this example, the basic structure that relates to watchcase 12, anti-magnetic sheet 38 etc. is identical with the structure of example 1, and the relation between anti-magnetic sheet 38 and the antenna 32 is different from the relation in the example 11.Reason for this reason, difference will be described in detail.
In this example, the anti-magnetic sheet 38 that is formed by pure iron is assembled in the bottom of movement 24, so that contact with the lower surface of movement 24.At this moment, antenna 32 cover 16 direction along supporting or opposing outstanding from the opening portion 38b of anti-magnetic sheet 38, and be positioned on the outside of preventing magnetic sheet 38.
Therefore, antenna 32 is positioned at the place that is not surrounded by anti-magnetic sheet 38.Thus, can receive radiowave, and not be subjected to the influence of anti-magnetic sheet 38.
In this example, anti-magnetic sheet 38 is arranged on many parts with movement 24 and contacts.Therefore, also available bonding agent will be prevented magnetic sheet 38 bondings and be fixed on the movement 24.
(example 13)
Figure 22 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
In this example, identical such as the basic structure of relation such as the position between watchcase 12 or anti-magnetic sheet 38 and the antenna 32 etc. with the structure of example 11, and the setting of non-magnetic member 40 is different from example 11.Reason for this reason, non-magnetic member 40 will be described in detail.
In addition, anti-magnetic sheet 38 is formed by YUS material (clad material), and is positioned at movement 24 and carries on the back and cover between 16, and its mode is identical with example 11.In addition, an antenna 32 is arranged to be positioned on the movement 24 of anti-magnetic sheet 38.
Therefore, non-magnetic member 40 relatively is provided with antenna 32, or non-magnetic member 40 is arranged near the antenna.Therefore, confirm that from test the receiving gain of radio signal can improve about 2 to 3dB.
In addition, be provided with an opening portion 40b according to the non-magnetic member 40 of this example at correspondence position with the opening portion 38b of anti-magnetic sheet 38.In addition, non-magnetic member 40 has such structure, and its mode identical with anti-magnetic sheet 38 is the barrage reception radio signal not.
In addition, in order to prevent corrosion, can implement the surface treatment such as on non-magnetic member 40, electroplating.Do not see because of carrying out surface treatment and cause reducing of receiving sensitivity.
(example 14)
Figure 23 is a sectional view, and the radio controlled table according to another example of the present invention is shown.
In this example, identical with the structure of example 11 such as the basic structure of relation such as the position between watchcase 12 or anti-magnetic sheet 38 and the antenna 32 etc., in addition, non-magnetic member 42 is arranged in the opening portion 38b of anti-magnetic sheet 38, and this is different from example 11.Reason for this reason, difference will be described in detail.
In addition, (for example, SUS430) form according to the anti-magnetic sheet 38 of this example stainless steel by ferrite type.In addition, anti-magnetic sheet 38 is arranged on movement 24 and the back of the body covers between 16, and its mode is identical with above-mentioned example 11, and has a locational opening portion 38b relative with the antenna 32 of the lower surface that is attached to movement 24.
By methods such as caulking joint, soldering, bonding agents, non-magnetic member 42 is attached in the opening portion 38b of anti-magnetic sheet 38, and relative with antenna 32.When non-magnetic member 42 is provided with like this, can reduce near the interference of the resonance phenomena of antenna, so, can improve receiving sensitivity.Therefore, the gain of radio signal reception can improve about 2 to 3dB.
In addition, also can with the surface treatment of implementing on non-magnetic member 42 according to the identical mode of the non-magnetic member 40 of example 13 such as electroplating.In this watchcase, do not see by carrying out reducing of receiving sensitivity that surface treatment causes.
(example 15)
Figure 24 is a sectional view, and the radio controlled table according to another example of the present invention is shown, and Figure 25 one illustrates the planimetric map of anti-magnetic sheet 38 shown in Figure 24, and this figure is the view of watching along the direction of back of the body lid.
In this example, the basic structure such as relation such as the position between watchcase 12 or anti-magnetic sheet 38 and the antenna 32 etc. is identical with the structure of example 1.In addition, a ratchet is arranged on the anti-magnetic sheet 38, and by being inserted between the lower surface that a screw type back of the body cover upper surface of 16 rising part 16a and movement 24, implements fixing of anti-magnetic sheet 38, and this is different from example 11.Reason for this reason, difference will be described in detail.
In this example, a slot part 38c is arranged on the part of rising part 38a.In addition, slot part 38c is fitted in the inner of the side pipe 44 that passes watch shell 14, thus, stops the rotation of anti-magnetic sheet 38 so that easily realize the location.
Because the back of the body cover 16 a usefulness screw retention at watch shell 14,, be arranged on the anti-magnetic sheet of carrying on the back on the upper surface cover 16 rising part 16a 38 and also turn so can suppose.Because side pipe 44 is fitted in the aforesaid slot part 38c, so, the rotation of anti-magnetic sheet 38 also can be stoped.
Also can use the watchcase 12 of any material that is applicable to radio controlled table, for example, the material of stainless steel, plastics and the like, according to each example 11 to 15, described watchcase 12 covers 16 etc. by watch shell 14, the back of the body and constitutes.
In addition, in each example 11 to 15, antenna 32 is arranged on the angle of lower surface of movement 24 so that the axis of magnetic core piece 34 along with the direction of the bilateral direction quadrature of table on rotatable.
In the watchcase of the visible longitudinal cross-section of watchcase, the inside surface (seeing Figure 30 (B)) that also can be arranged essentially parallel to the back of the body lid 16 of watchcase along the axial direction of antenna 32 is provided with one of them end face at two ends when considering antenna 32 directivity.In addition, the inside surface (seeing Figure 30 (B)) that also can be substantially perpendicular to the back of the body lid 16 of watchcase is provided with the outer surface of antenna 32, so that provide antenna 32 to be in a state (vertically) of vertically erectting.
In addition, have in the watchcase of a rectangular shape (finding on the planimetric map) at watch shell 14, for example, the outer surface that the inside surface of watch shell 14 of watchcase and antenna 32 also can be set (promptly, outer surface along the horizontal direction of antenna), basically (finding on the planimetric map) parallel to each other thus, provides antenna 32 to be in a state (vertically) (seeing Figure 30 (A)) of vertically erectting.
In the watchcase of the visible longitudinal cross-section of watchcase, in addition, the inside surface (seeing Figure 30 (D)) that also can be substantially perpendicular to the back of the body lid 16 of watchcase along the axial direction of antenna 32 is provided with one of them end face at two ends when considering antenna 32 directivity.In addition, also can be substantially parallel ground (finding on the planimetric map) inside surface of watch shell 14 of watchcase and the outer surface (seeing Figure 30 (C)) of antenna 32 are set so that provide antenna 32 to be in the overlapping state of an along continuous straight runs.
In addition, have in the watchcase of a rectangular shape (finding on the planimetric map) at watch shell 14, for example, the outer surface that the inside surface of back of the body lid 16 of watchcase and antenna 32 also can be set (promptly, outer surface along the longitudinal direction of antenna), basically (seeing Figure 30 (D)) parallel to each other thus, provides antenna 32 to be in the overlapping state of an along continuous straight runs.
In this watchcase, the opening portion 38b of anti-magnetic sheet 38 can the whole shapes with respect to antenna 32 form as above-mentioned each example 11 to 15, maybe can be formed on the rising part 38a, so that relative with the end of antenna 32.
In addition, except use is used for only one type the material of the material of anti-magnetic sheet 38 and non-magnetic member 40 and 42, use multiple metal and non-magnetic member also capable of being combinedly.
With reference to the selection that is used for the metal of non-magnetic member 40 and 42, be arranged on a watchcase that is used to test by employed material non-magnetic member that forms and the antenna that is used for testing, and implement a test, it is used for from transmission antennas transmit one signal that is arranged on a precalculated position, so that select (seeing the test according to example 1).
The result of this test in the watchcase of gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy, compares with the watchcase of titanium, titanium alloy, stainless steel and tantalum carbide, and gain can high 2 to 3dB (decibels).
In addition, according to the resistivity of the metal that is used to test result's (seeing test) relatively according to example 1, obviously, have resistivity and be 7.0 μ Ω-Cm or less than metal can keep a high receiving sensitivity.
Its result obviously, if non-magnetic member 40 and 42 is formed by the material such as gold, silver, copper, brass, aluminium, magnesium, zinc or their alloy, then also using when preventing magnetic sheet 38, can improve receiving sensitivity.
According to each example 11 to 15, anti-magnetic sheet is arranged in the radio controlled table, can avoid outside magnetic with the protection meter apparatus.Therefore, can improve the accuracy of time showing.
In addition,, also can slow down radio reception performance decrease significantly, because opening portion and non-magnetic member are arranged on the anti-magnetic sheet to temporal information even anti-magnetic sheet is set.Therefore, can implement an antimagnetic structure, and not influence the original performance of radio controlled table.
Although below described preferred embodiment of the present invention, the present invention is not limited thereto.Although described watch shell in the watchcase of the present invention, back of the body lid and bezel, the present invention also can be applicable to have other the table such as the watchcase of a ring.In addition, the present invention not only can be applicable to radio controlled table, and can be applicable to wall clock, table clock, alarm clock etc.Therefore, under the prerequisite that does not depart from the scope of the present invention, can make various variations.
(effect of the present invention)
According to the present invention, have resistivity and be 7.0 μ Ω-Cm or less than non-magnetic member be arranged in the watchcase that holds antenna and meter apparatus.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
By use have resistivity be 7.0 μ Ω-Cm or less than non-magnetic member as the non-magnetic member that is fixed in the watchcase of radio controlled table, for example, the inside surface of a watch shell and back of the body lid, therefore, can use metal with outstanding presentation quality, for example, titanium, titanium alloy, stainless steel or tantalum carbide, it has a low receiving sensitivity, one low frequency selectivity and just like the such high resistivity of watchcase, for example, watch shell and back of the body lid, and do not sacrifice receiving sensitivity.Therefore, can improve the function of watchcase mechanism and outward appearance aspect.
In addition, according to the present invention, a part of watchcase, for example, the part of watch shell, the back of the body lid, bezel etc., or in them at least one by have resistivity be 7.0 μ Ω-Cm or less than non-magnetic member form.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by non-magnetic member by metal material.Therefore, in metal shell, also can obtain enough receiving sensitivities.
If have resistivity and be 7.0 μ Ω-Cm or less than non-magnetic member be used for the watchcase of a part, for example, the part of watch shell, back of the body lid, bezel etc., or in the above-mentioned part in the radio controlled table at least one, then therefore, can use metal with high presentation quality, for example, titanium, titanium alloy, stainless steel or tantalum carbide, it has a low receiving sensitivity, one low frequency selectivity and just like the such high resistivity of watchcase part outside the watchcase part that forms by non-magnetic member, and do not sacrifice receiving sensitivity.Therefore, can improve the function of watchcase mechanism and outward appearance aspect.
In addition, implementing surface finish on the surface of the watchcase part that is formed by non-magnetic member handles.Therefore, can design and make one and have corrosion-resistant, heat-resisting, physical strength etc., and have the color sensation such as a metal color, it has the watchcase of feeling of high class and high presentation quality, for example, be not the common epiphase of radio controlled table with the watch shell of mode, back of the body lid, bezel etc.Therefore, the variant of the design of the watchcase in the radio controlled table can be brought up to common epiphase and work as.
According to the present invention, watchcase is made of a metal, and the distance between antenna and the watchcase, promptly, the body thickness T1 of the watch shell of watchcase, the back of the body lid thickness T 2 of the back of the body of watchcase lid, clearance D 1 from the inside surface of watch shell to antenna, and the clearance D 2 from the inside surface of back of the body lid to antenna, set according to receiving sensitivity.Therefore, near the interference of the resonance phenomena the antenna that can reduce to cause by metal material.Therefore, in metal shell, also can improve receiving sensitivity.Therefore, can use metal with high presentation quality, for example, titanium, titanium alloy, stainless steel or tantalum carbide, it has a low receiving sensitivity, a low frequency selectivity and just like the such high resistivity of watchcase, for example, watch shell, back of the body lid, bezel etc., and do not sacrifice receiving sensitivity.Therefore, can improve the function of watchcase mechanism and outward appearance aspect.
In addition, according to the present invention, the anti-magnetic sheet that is arranged in the watchcase has opening portion in the part relative with antenna.Therefore, antenna can receive radiowave by opening portion, and the not influence of anti-magnetic sheet.Therefore, in radio controlled table, also can protect meter apparatus to avoid the external magnetic influence, not reduce the receiving feature of radiowave.Therefore, can in table, improve degree of accuracy, and not influence the driving operation of pointer.
The watchcase that is used for holding antenna is by the material with non-conductive or low-resistivity, and the exterior part that is attached to the watchcase outside forms, and especially, the exterior part that is used for covering the watch shell outer surface conducts electricity, for example, and a metal.
With the watchcase itself that is used for holding antenna is to be compared by the watchcase that conductive material forms, and therefore, can increase the distance between the exterior part of antenna and conduction.Therefore, be difficult to cause the failure of antenna reception.Therefore, antenna can receive radiowave well, so, can improve the degree of accuracy of receptivity and table.
By conduction exterior part, in addition, can give the outward appearance that radio controlled table has a metal sense such as metal.Therefore, visual sensation seems watchcase and is formed by the metal of a solid.Therefore, be watchcase, can prevent to destroy feeling of high class and exquisite outward appearance by using a non-conducting material such as synthetic resin.Therefore, the present invention can produce many significant and unique functions and effect, and it is very outstanding.
Claims (80)
1. a radio controlled table comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus, be used for making the display part to show receiving by antenna, such as the temporal information of current time of radiowave;
One is used for holding the watchcase of antenna and meter apparatus; And
The non-magnetic member that at least one is fixed to the watchcase inside surface, the resistivity that has be set at 7.0 μ Ω-cm or less than.
2. radio controlled table as claimed in claim 1 is characterized in that, watchcase is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of watchcase.
3. radio controlled table as claimed in claim 1 is characterized in that watchcase comprises a watch shell,
Watch shell is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of watch shell.
4. as any one described radio controlled table in the claim 1 to 3, it is characterized in that watchcase comprises a watch shell and attached and be fixed to the back of the body lid of watch shell,
Back of the body lid is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide, and
Non-magnetic member is fixed to the inside surface of back of the body lid.
5. as any one described radio controlled table in the claim 1 to 4, it is characterized in that non-magnetic member is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
6. as any one described radio controlled table in the claim 1 to 4, it is characterized in that non-magnetic member forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy.
7. as any one described radio controlled table in the claim 1 to 6, it is characterized in that a resin piece is arranged to closely contact with the inside surface of non-magnetic member.
8. as any one described radio controlled table in the claim 1 to 7, it is characterized in that antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged on a position, in this position, antenna along at least one plane parallel of the axis that comprises the magnetic chipware give prominence on the inside surface of watchcase.
9. radio controlled table as claimed in claim 8 is characterized in that, antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged in the position of watch shell, in this position, antenna along at least one plane parallel of the axis that comprises the magnetic chipware give prominence on the inside surface of watchcase.
10. radio controlled table as claimed in claim 8 is characterized in that, antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn, and
Non-magnetic member is arranged on a position of back of the body lid, in this position, antenna along at least one plane parallel of the axis that comprises the magnetic chipware give prominence on the inside surface of watchcase.
11., it is characterized in that antenna constitutes by the magnetic chipware with around the coil of magnetic chipware coiling multiturn as any one described radio controlled table in the claim 1 to 7, and
Non-magnetic member is arranged on a position of the inside surface of watchcase, and this position is relative with at least one end along the axial direction of antenna.
12. as any one described radio controlled table in the claim 1 to 11, it is characterized in that watchcase is made of a clad material, it obtains with the non-magnetic member that contacts of at least a material pressure in being selected from titanium, titanium alloy and stainless steel by bonding.
13. as any one described radio controlled table in the claim 1 to 11, it is characterized in that watchcase comprises a watch shell,
Watch shell is made of a clad material, and it obtains with the non-magnetic member that contacts of at least a material pressure in being selected from titanium, titanium alloy and stainless steel by bonding.
14., it is characterized in that watchcase comprises a watch shell and attached and be fixed to the back of the body lid of watch shell as any one described radio controlled table in the claim 1 to 13,
Back of the body lid is made of a clad material, its by bonding be selected from titanium, titanium alloy and the non-magnetic member that stainless at least a material pressure contacts and obtain.
15. as any one described radio controlled table in the claim 1 to 11, it is characterized in that, non-magnetic member by at least one method, such as be press-fitted, caulking joint, welding, soldering and cementing agent be fixed on the watchcase.
16. as any one described radio controlled table in the claim 1 to 11, it is characterized in that watchcase comprises a watch shell, and
Non-magnetic member by such as be press-fitted, at least one method in caulking joint, welding, soldering and the cementing agent is fixed to watch shell.
17., it is characterized in that watchcase comprises that a watch shell and a back of the body attached and that be fixed on the watch shell cover as any one described radio controlled table in claim 1 to 11 and 16, and
Non-magnetic member by such as be press-fitted, at least one method of caulking joint, welding, soldering and cementing agent is fixed to back of the body lid.
18., it is characterized in that the non-magnetic member that is fixed to watchcase is by forming such as a wet method that is coated with a method or a spray-gun process as any one described radio controlled table in the claim 1 to 11.
19. as any one described radio controlled table in the claim 1 to 11, it is characterized in that watchcase comprises a watch shell, and
The non-magnetic member that is fixed to watch shell is by forming such as a wet method that is coated with a method or a spray-gun process.
20., it is characterized in that watchcase comprises that a watch shell and a back of the body attached and that be fixed on the watch shell cover as any one described radio controlled table in claim 1 to 11 and 18, and
The non-magnetic member that is fixed to back of the body lid is by forming such as a wet method that is coated with a method or a spray-gun process.
21., it is characterized in that the thickness of non-magnetic member is 50 μ m to 2000 μ m as any one described radio controlled table in the claim 1 to 20.
22. a radio controlled table comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information such as the current time of the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna and meter apparatus;
Wherein, watchcase has at least one part that is made of non-magnetic member, the resistivity that this non-magnetic member has be 7.0 μ Ω-cm or less than, and
Surface finish is stood on one surface of watchcase.
23. radio controlled table as claimed in claim 22 is characterized in that, watchcase comprises a watch shell, a back of the body lid and a bezel,
In watch shell, back of the body lid and the bezel at least one is to be made of non-magnetic member, and
Watchcase outside the watchcase that is made of non-magnetic member is to be formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide, tantalum carbide and resin.
24., it is characterized in that non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as claim 22 or 23 described radio controlled tables.
25., it is characterized in that non-magnetic member constitutes by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy as claim 22 or 23 described radio controlled tables.
26., it is characterized in that antenna is made of reel around the magnetic core piece coil of multiturn of a magnetic core piece and as any one described radio controlled table in the claim 22 to 24, and
The parts of one watchcase, antenna along at least one plane parallel of the axis that comprises magnetic core piece give prominence on these watchcase parts, an or part, the parts of outstanding watchcase are given prominence on this part, the parts of watchcase or above-mentioned part are made of non-magnetic member.
27., it is characterized in that antenna is made of reel around the magnetic core piece coil of multiturn of a magnetic core piece and as any one described radio controlled table in the claim 22 to 24, and
The parts of one watchcase, its at least one end with the axial direction of antenna is relative, or a part, and its parts with watchcase are relative, and these watchcase parts are relative with an end of axial direction, and the parts of watchcase or above-mentioned part are made of non-magnetic member.
28. as any one described radio controlled table in the claim 22 to 27, it is characterized in that surface finish is made of at least a processing of surface polishing process that is selected from the following form: a high polishing surface, an inferior light polished surface, a hair figure, a figure and a symbol.
29. as any one described radio controlled table in the claim 22 to 28, it is characterized in that surface finish is made of a metal coat film,
This metal coat film is provided with at least one method that is selected from the following method: wet coating process, the evaporation precipitation method, ion plating method, arc process and negative electrode spattening finishing.
30., it is characterized in that the surface of non-magnetic member is stood surface finish and handled as any one described radio controlled table in the claim 22 to 29.
31. a radio controlled table comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information such as the current time of the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna and meter apparatus,
Wherein, watchcase is made of metal.
32. radio controlled table as claimed in claim 31 is characterized in that, antenna is arranged to contact with the inside surface of watchcase.
33. radio controlled table as claimed in claim 31 is characterized in that antenna is arranged to the inside surface away from watchcase.
34. as any one described radio controlled table in the claim 31 to 33, it is characterized in that watchcase and antenna are set in this manner: the scope of the body thickness T1 of the watch shell of watchcase is from 300 μ m to 5000 μ m.
35. radio controlled table as claimed in claim 34 is characterized in that, watchcase and antenna are set in this manner: the scope of the body thickness T1 of the watch shell of watchcase is from 500 μ m to 2000 μ m.
36. as any one described radio controlled table in the claim 31 to 35, it is characterized in that watchcase and antenna are set by this way: the clearance D 1 from the inside surface of the watch shell of watchcase to antenna is in the scope of 0 to 40000 μ m.
37. radio controlled table as claimed in claim 36 is characterized in that, watchcase and antenna are set by this way: the clearance D 1 from the inside surface of the watch shell of watchcase to antenna is in the scope of 500 μ m to 10000 μ m.
38. as any one described radio controlled table in the claim 31 to 37, it is characterized in that watchcase becomes with antenna settings: the back of the body lid thickness T 2 of the back of the body lid of watchcase is in 100 μ m to 5000 mu m ranges.
39. radio controlled table as claimed in claim 38 is characterized in that, watchcase becomes with antenna settings: the back of the body lid thickness T 2 of the back of the body lid of watchcase is in 300 μ m to 2000 mu m ranges.
40. as any one described radio controlled table in the claim 31 to 39, it is characterized in that watchcase and antenna are set by this way: the clearance D 2 from the inside surface of the back of the body of watchcase lid to antenna is in the scope of 0 to 5000 μ m.
41. radio controlled table as claimed in claim 40 is characterized in that, watchcase and antenna are set by this way: the clearance D 2 from the inside surface of the back of the body of watchcase lid to antenna is in the scope of 100 μ m to 700 μ m.
42., it is characterized in that the watch shell of watchcase is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide as any one described radio controlled table in the claim 31 to 41.
43., it is characterized in that the watch shell of watchcase is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as any one described radio controlled table in the claim 31 to 41.
44., it is characterized in that the watch shell of watchcase forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as any one described radio controlled table in the claim 31 to 41.
45., it is characterized in that the watch shell of watchcase is formed by a hard metal as any one described radio controlled table in the claim 31 to 41.
46., it is characterized in that the back of the body lid of watchcase is formed by at least a material that is selected from the following material: titanium, titanium alloy, stainless steel, tungsten carbide and tantalum carbide as any one described radio controlled table in the claim 31 to 45.
47., it is characterized in that the back of the body lid of watchcase is formed by at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as any one described radio controlled table in the claim 31 to 45.
48., it is characterized in that the back of the body lid of watchcase forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy as any one described radio controlled table in the claim 31 to 45.
49., it is characterized in that the back of the body lid of watchcase is formed by a hard metal as any one described radio controlled table in the claim 31 to 45.
50., it is characterized in that at least one in the watch shell of watchcase and the back of the body lid stands a surface treatment and/or a cure process as any one described radio controlled table in the claim 31 to 49.
51., it is characterized in that the inside surface of the watch shell of watchcase and the outer surface of antenna are arranged to each other that almost parallel is a plane as any one described radio controlled table in the claim 31 to 50.
52., it is characterized in that the inside surface of the back of the body lid of watchcase and the outer surface of antenna are arranged to almost parallel each other as any one described radio controlled table in the claim 31 to 50.
53. as any one described radio controlled table in the claim 31 to 50, it is characterized in that, be arranged to be roughly parallel to the inside surface of the back of the body lid of watchcase along an end face at the two ends of the axial direction of antenna.
54. as any one described radio controlled table in the claim 31 to 50, it is characterized in that, be arranged to be approximately perpendicular to the inside surface of the back of the body lid of watchcase along an end face at the two ends of the axial direction of antenna.
55., it is characterized in that the outer surface of antenna is arranged to be approximately perpendicular to the inside surface of the back of the body lid of watchcase as any one described radio controlled table in the claim 31 to 50.
56., it is characterized in that the back of the body lid of watchcase is two-dimensional plane shape as any one described radio controlled table in the claim 31 to 55.
57. as any one described radio controlled table in the claim 31 to 56, it is characterized in that, have resistivity and be 7.0 μ Ω-cm or less than at least one non-magnetic member be fixed to the inside surface of watchcase.
58. radio controlled table as claimed in claim 57 is characterized in that, non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy.
59. radio controlled table as claimed in claim 57 is characterized in that, non-magnetic member forms by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium and their alloy.
60., it is characterized in that antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece as any one described radio controlled table in the claim 57 to 59, and
One parts of watchcase, antenna along at least one plane parallel of an axis that comprises magnetic core piece give prominence on these watchcase parts, an or part, the parts of outstanding watchcase are given prominence on this part, described parts or part are made of non-magnetic member.
61., it is characterized in that antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece as any one described radio controlled table in the claim 57 to 59, and
The parts of one watchcase, its at least one end with the axial direction of antenna is relative, or a part, and the parts of the watchcase that it is relative with an end of axial direction are relative, and described parts or part are made of non-magnetic member.
62. a radio controlled table comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show temporal information such as the current time of the radiowave that is received by antenna;
One is used for preventing the sex anti-magnetic sheet of external magnetic; And
One is used for holding the watchcase of antenna, meter apparatus and anti-magnetic sheet,
Wherein, the anti-magnetic sheet that is arranged in the watchcase has an opening portion in the part relative with antenna.
63. radio controlled table as claimed in claim 62 is characterized in that, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
One opening portion is arranged in the position on the anti-magnetic sheet, in this position, antenna along at least one plane parallel of the axis that comprises magnetic core piece give prominence to.
64. radio controlled table as claimed in claim 62 is characterized in that, antenna is wound on by a magnetic core piece and that the coil of multiturn constitutes around the magnetic core piece, and
One opening portion is arranged on the anti-magnetic sheet, is positioned at and the relative position of at least one end along the axial direction of antenna.
65. as any one described radio controlled table in the claim 62 to 64, it is characterized in that, Antenna Positioning be set on the outside of anti-magnetic sheet.
66., it is characterized in that it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion as any one described radio controlled table in the claim 62 to 65, and be positioned on the inner surface side of watch shell of watchcase.
67., it is characterized in that it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion as any one described radio controlled table in the claim 62 to 65, and be positioned on the back of the body lid side of watchcase.
68., it is characterized in that it is outstanding from the opening portion of anti-magnetic sheet that antenna has at least a portion, and be positioned on the display board side as any one described radio controlled table in the claim 62 to 65.
69., it is characterized in that anti-magnetic sheet is formed by at least a material that is selected from pure iron and the permalloy as any one described radio controlled table in the claim 62 to 68.
70. as any one described radio controlled table in the claim 62 to 69, it is characterized in that, have resistivity and be 7.0 μ Ω-cm or less than non-magnetic member be arranged on the inside surface of anti-magnetic sheet.
71., it is characterized in that non-magnetic member is arranged in the opening portion of anti-magnetic sheet as any one described radio controlled table in the claim 62 to 64,69 and 70.
72., it is characterized in that non-magnetic member is made of at least a material that is selected from the following material: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as claim 70 or 71 described radio controlled tables.
73., it is characterized in that non-magnetic member constitutes by two kinds of materials that bonding is selected from the following material at least: gold, silver, copper, brass, aluminium, magnesium, zinc and their alloy as claim 70 or 71 described radio controlled tables.
74., it is characterized in that non-magnetic member has the rising part of erectting along the direction of display board as any one described radio controlled table in the claim 62 to 73, and
Rising part abuts against on the part of watchcase, thus, and the rotation of the anti-magnetic sheet of control.
75. a radio controlled table comprises:
One is used for receiving the antenna of the radiowave that comprises temporal information;
One meter apparatus is used for making the display part to show current time temporal information such as the radiowave that is received by antenna; And
One is used for holding the watchcase of antenna and meter apparatus,
Wherein, watchcase is made of non electrically conductive material or material with low resistivity, and
One exterior part that is formed by conductive material is set, and this material is attached to the outside of watchcase.
76., it is characterized in that exterior part covers the upper surface of the watch shell of watchcase as the described radio controlled table of claim 75.
77., it is characterized in that exterior part covers the outer surface of the watch shell of watchcase as claim 75 or 76 described radio controlled tables.
78., it is characterized in that the non-conducting material that constitutes watchcase is formed by at least one non-conducting material that is selected from synthetic resin, rubber and the pottery as any one described radio controlled table in the claim 75 to 77.
79. as any one described radio controlled table in the claim 75 to 77, it is characterized in that, the material with low resistivity that constitutes watchcase comprises that at least one has the material of low-resistivity, and it is selected from gold, silver, copper, brass, aluminium, magnesium and their alloy.
80., it is characterized in that the conductive material that constitutes exterior part comprises at least one conductive material that is selected from stainless steel, titanium and the titanium alloy as any one described radio controlled table in the claim 75 to 79.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002379043A JP2004212083A (en) | 2002-12-27 | 2002-12-27 | Case structure of radio controlled watch |
| JP379043/2002 | 2002-12-27 | ||
| JP041352/2003 | 2003-02-19 | ||
| JP044185/2003 | 2003-02-21 | ||
| JP086837/2003 | 2003-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1692316A true CN1692316A (en) | 2005-11-02 |
| CN100524102C CN100524102C (en) | 2009-08-05 |
Family
ID=32815664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801005587A Expired - Fee Related CN100524102C (en) | 2002-12-27 | 2003-12-26 | Radio controlled watch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004212083A (en) |
| CN (1) | CN100524102C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093908A (en) * | 2015-07-08 | 2015-11-25 | 深圳市万普拉斯科技有限公司 | Watch case body structure and intelligent watch |
| CN108427266A (en) * | 2017-02-14 | 2018-08-21 | 卡西欧计算机株式会社 | table |
| CN111033393A (en) * | 2017-09-08 | 2020-04-17 | 西铁城时计株式会社 | Movement of electronic timepiece and electronic timepiece |
| CN111766769A (en) * | 2020-06-05 | 2020-10-13 | 广东长盈精密技术有限公司 | Watch middle frame and processing method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275580A (en) * | 2005-03-28 | 2006-10-12 | Citizen Watch Co Ltd | Case structure of radio controlled timepiece |
| JP4618120B2 (en) * | 2005-12-22 | 2011-01-26 | セイコーエプソン株式会社 | Electronic clock with built-in antenna |
| US7215600B1 (en) | 2006-09-12 | 2007-05-08 | Timex Group B.V. | Antenna arrangement for an electronic device and an electronic device including same |
| JP4535185B2 (en) * | 2008-09-26 | 2010-09-01 | カシオ計算機株式会社 | Radio wave watch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2505967Y2 (en) * | 1989-04-26 | 1996-08-07 | セイコー電子工業株式会社 | Anti-magnetic structure of high pressure waterproof wrist watch |
| JPH10197662A (en) * | 1996-12-28 | 1998-07-31 | Casio Comput Co Ltd | Receiver device |
| DE19926271C2 (en) * | 1999-06-09 | 2002-09-26 | Junghans Uhren Gmbh | Funkarmbanduhr |
-
2002
- 2002-12-27 JP JP2002379043A patent/JP2004212083A/en active Pending
-
2003
- 2003-12-26 CN CNB2003801005587A patent/CN100524102C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093908A (en) * | 2015-07-08 | 2015-11-25 | 深圳市万普拉斯科技有限公司 | Watch case body structure and intelligent watch |
| CN105093908B (en) * | 2015-07-08 | 2017-11-24 | 深圳市万普拉斯科技有限公司 | Wristwatch case structure and intelligent watch |
| CN108427266A (en) * | 2017-02-14 | 2018-08-21 | 卡西欧计算机株式会社 | table |
| CN108427266B (en) * | 2017-02-14 | 2020-09-29 | 卡西欧计算机株式会社 | Watch (A) |
| CN111033393A (en) * | 2017-09-08 | 2020-04-17 | 西铁城时计株式会社 | Movement of electronic timepiece and electronic timepiece |
| CN111033393B (en) * | 2017-09-08 | 2022-01-07 | 西铁城时计株式会社 | Movement of electronic timepiece and electronic timepiece |
| CN111766769A (en) * | 2020-06-05 | 2020-10-13 | 广东长盈精密技术有限公司 | Watch middle frame and processing method thereof |
| CN111766769B (en) * | 2020-06-05 | 2022-06-03 | 广东长盈精密技术有限公司 | Watch middle frame and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100524102C (en) | 2009-08-05 |
| JP2004212083A (en) | 2004-07-29 |
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