CN101593869A - Transmission antenna device and the door handle that contains transmission antenna device - Google Patents
Transmission antenna device and the door handle that contains transmission antenna device Download PDFInfo
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- CN101593869A CN101593869A CNA2009101423341A CN200910142334A CN101593869A CN 101593869 A CN101593869 A CN 101593869A CN A2009101423341 A CNA2009101423341 A CN A2009101423341A CN 200910142334 A CN200910142334 A CN 200910142334A CN 101593869 A CN101593869 A CN 101593869A
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
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Abstract
The door handle that the invention provides a kind of transmission antenna device and contain transmission antenna device.This transmission antenna device is difficult to produce parasitic capacitance.This transmission antenna device comprises: transmitting antenna portion (3), the coil (10) that it comprises magnetic iron core (9) and is wound in magnetic iron core (9); Electrostatic capacitance sensor portion (2), it is formed by a pair of above electric conductor, human body near the time change electrostatic capacitance the electrostatic capacitance detecting electrode on be electrically connected with the electrostatic capacitance detection circuit of the variation that is used to detect above-mentioned electrostatic capacitance; Auxiliary electrode (4), its state and electrostatic capacitance detecting electrode of isolating with electricity disposes discretely.And electrostatic capacitance sensor portion (2) is linked to transmitting antenna portion (3) along the length axes direction of magnetic iron core (9).
Description
Technical field
The present invention relates to the door handle that for example is suitable for carrying the transmission antenna device of the intelligent keyless access system on motor vehicle and contains transmission antenna device.
Background technology
In the past, a kind of intelligent keyless access system that cylinder body just can lock or unblank the door of motor vehicle etc. that key do not inserted was arranged.In the remote control (hereinafter to be referred as making remote-control key) of the band key that intelligent keyless access system adopted, there be a kind of being provided with to be used to indicate the button that locks or unblank and by pressing the remote-control key of antenna assembly etc. that this button produces the signal wave of assigned frequency as an example.So, when the user presses the button of remote-control key, even also can lock or unblank by opposite house at a distance of about several meters with car.In recent years, also realized a kind of the user who holds remote-control key when the motor vehicle, detect the approaching situation of human body and intelligent keyless access system that the door of motor vehicle is unblanked.
In patent documentation 1, disclose in the door handle 101 that is arranged at motor vehicle, be used to distinguish that the approaching vehicle of human body is with human body detection device 100.At this, the configuration example of vehicle with human body detection device 100 is described with reference to Figure 10.
Figure 10 (a) vertically dissects vehicle under the situation of length direction of door handle 101 with the cutaway view of human body detection device 100.
Figure 10 (b) is the exploded perspective view of vehicle with human body detection device 100.
The configuration over the ground of practising physiognomy of the sensor electrode 105 that forms the lengthwise shape and the outside plate of door, the electrostatic capacitance of formation parallel plate-type between the outside plate of door and sensor electrode 105.Sensor electrode 105 constitutes in the mode that parastate comes and goes along the fore-and-aft direction of car body bendingly with 1 electric wiring 105a.
Patent documentation 1: TOHKEMY 2005-134178 communique
But disclosed vehicle can produce parasitic capacitance with in the human body detection device 100 becoming mutually in the face of between the transmitting antenna 107 of state and the sensor electrode 105 in patent documentation 1.When producing parasitic capacitance, the resonance frequency that produces spontaneous emission antenna 107 deviates from the such problem of frequency of being sought.And, owing in transmitting antenna 107, dispose more hardware, and also be equipped with the auxiliary electrode 106 that constitutes by the bigger hardware of volume, therefore, most of magnetic flux of spontaneous emission antenna 107 excitations is by auxiliary electrode 106.Therefore, the magnetic field outside car is not transmitted to far, can't send the appropriate signal electric wave in whole target zone.
Summary of the invention
The present invention makes in view of such situation, and its purpose is to provide a kind of transmission antenna device that is difficult to produce parasitic capacitance.
Transmission antenna device of the present invention comprises: transmitting antenna portion, and it comprises magnetic iron core and the coil that is wound in the magnetic iron core; Electrostatic capacitance sensor portion, it is formed by a pair of above electric conductor, when human body near the time change electrostatic capacitance the electrostatic capacitance detecting electrode on be electrically connected with the electrostatic capacitance detection circuit of the variation that is used to detect electrostatic capacitance; Auxiliary electrode, its with the state configuration of isolating with respect to electrostatic capacitance detecting electrode electricity in electrostatic capacitance sensor portion.And electrostatic capacitance sensor portion is linked to transmitting antenna portion along the long axis direction of magnetic iron core.
In addition, in door handle of the present invention, contain above-mentioned transmission antenna device.
By being provided with in this wise, transmission antenna device particularly is difficult to produce parasitic capacitance between transmitting antenna portion and electrostatic capacitance detecting electrode.
Adopt the present invention, owing to be difficult to produce parasitic capacitance in transmission antenna device, therefore, the resonance frequency of the signal wave that transmitting antenna portion sends can not deviate from the frequency of being sought.And, because electrostatic capacitance sensor portion is linked to transmitting antenna portion along the length axes direction of magnetic iron core, therefore, has and can stably detect human body near such effect.
Description of drawings
Fig. 1 is the key diagram of formation example of the door handle of the expression transmission antenna device that disposes the 1st embodiment of the present invention.
Fig. 2 is the stereogram of formation example of the transmission antenna device of expression the 1st embodiment of the present invention.
Fig. 3 is the exploded perspective view of formation example of the transmission antenna device of expression the 1st embodiment of the present invention.
Fig. 4 is the exploded perspective view of formation example of A-A ' line of the transmission antenna device of expression the 1st embodiment of the present invention.
Fig. 5 is the exploded perspective view of formation example of the transmission antenna device of expression another embodiment of the present invention.
Fig. 6 is the exploded perspective view of formation example of the transmission antenna device of expression another embodiment of the present invention.
Fig. 7 is the exploded perspective view of formation example of the transmission antenna device of expression another embodiment of the present invention.
Fig. 8 is the stereogram and the exploded perspective view of formation example of the transmission antenna device of expression the 2nd embodiment of the present invention.
Fig. 9 is the exploded perspective view of formation example of B-B ' line of the transmission antenna device of expression the 2nd embodiment of the present invention.
Figure 10 is a structure chart of representing the example of transmission antenna device in the past.
Embodiment
Below, with reference to Fig. 1～Fig. 4 the 1st embodiment of the present invention is described.In the present embodiment, come human body to describe to the variation that is applied to utilize electrostatic capacitance near the electrostatic capacitance sensor of situation example with the transmission antenna device 1 that is made of one piece.
Fig. 1 represents to be provided with the formation example of door handle 5b of the transmission antenna device 1 of this example.
The door handle 5b that has the cavity in inside is installed on the door 5a of motor vehicle.Contain transmission antenna device 1 in the inside of door handle 5b.Transmission antenna device 1 comprises that the variable quantity that utilizes electrostatic capacitance comes the approaching electrostatic capacitance sensor portion 2 of human body and the transmitting antenna portion 3 of excitation field 6a, 6b when applying electric current.Electrostatic capacitance sensor portion 2 and transmitting antenna portion 3 are provided with adjacent to each other along the length direction of transmission antenna device.In addition, transmission antenna device 1 also comprises the auxiliary electrode 4 of the variable quantity that increases electrostatic capacitance sensor portion 2 detected electrostatic capacitances.Auxiliary electrode 4 is formed by metal forming, the thin plate of copper, aluminium etc., is provided in the electrostatic capacitance sensor portion 2 with the state that insulate.
Transmitting antenna portion 3 produces respectively towards the magnetic field 6a of car outside excitation with towards the inboard magnetic field 6b that encourages of car when applying signal code with the expectation resonance frequency.At this moment, constitute when overlapping with electrostatic capacitance sensor portion 2 at auxiliary electrode 4, spontaneous emission antenna part 3 produces vortex flow to the inboard magnetic flux that produces of car in auxiliary electrode 4, and magnetic flux is easy to the inside by auxiliary electrode 4.Therefore, reduce to the magnetic field of car underexcitation 6b.
But because auxiliary electrode 4 is formed by metal forming, thin plate, therefore, the transmitting antenna portion 3 of this example can reduce the magnetic flux by the inside of auxiliary electrode 4, and, also the generation of vortex flow can be suppressed lower.And, if because of magnetic flux by auxiliary electrode 4 inside or produce vortex flow the propagation of magnetic field to the car inboard exerted an influence, the number of turn of coil that at least also can be by being wound in transmitting antenna portion 3 is suitably adjusted the spread scope of magnetic field outside car.Therefore, human body approaching fully.In other words, as long as propagate well in the magnetic field of the magnetic field 6a of excitation outside car, it is no problem to we can say with regard to the function of bringing into play transmitting antenna portion 3.
The situation that is contacted with door handle 5b (grasping the state of door handle 5b) with human body is an opportunity, and electrostatic capacitance sensor portion 2 is gone out the contact of human body by the change-detection of electrostatic capacitance.Then, transmitting antenna portion 3 produces magnetic field 6a, and the signal wave of assigned frequency is sent to the not shown remote-control key that the user holds.This remote-control key will send on the not shown user's authenticate device that is arranged in the car at the authentication coding that each remote-control key distributes uniquely by the not shown receiving antenna device that is installed on the motor vehicle when the signal wave that receives from transmission antenna device 1.User's authenticate device carries out the ID authentication according to the authentication coding that receives, and finishes the ID contrast and afterwards door 5a is unblanked.
Fig. 2 represents the formation example of transmission antenna device 1.
Fig. 2 (a) is the stereogram of the transmission antenna device 1 under the situation of overlooking.
Fig. 2 (b) is a stereogram of looking up the transmission antenna device 1 under the situation.
Transmission antenna device 1 comprises electrostatic capacitance sensor portion 2 and transmitting antenna portion 3.Electrostatic capacitance sensor portion 2 is bonding 2 circuit board 7a, 7b and the member that forms, the adhesive surface of circuit board 7a, 7b be formed with human body near the time change electrostatic capacitance detecting electrode 11a, the 11b (with reference to Fig. 3 described later) of electrostatic capacitance.Upper surface in electrostatic capacitance sensor portion 2 is formed with the electronic component installation portion 8 that electronic component 12 (reference Fig. 4 described later) arranged in mounted on surface.Lower surface in electrostatic capacitance sensor portion 2 is formed with auxiliary electrode 4.
Transmitting antenna portion 3 comprises the magnetic iron core 9 of rectangular shape and is wound in the coil 10 of magnetic iron core 9.As the main material of magnetic iron core 9, for example adopting Ni-Zn based ferrite iron core, Mn-Zn based ferrite iron core, metal is magnetic iron core, amorphous magnetic iron core.But, with Mn-Zn based ferrite iron core etc., little magnetic material is used under the situation of magnetive cord than resistance, by between magnetic iron core 9 and coil 10, sandwiching the bobbin that forms by insulative resin etc., insulating tape etc., between magnetic iron core 9 and coil 10, guarantee higher insulating properties.In addition, also can be by guarantee the insulating properties between coil 10 and the magnetic iron core 9 at the surface-coated insulating resin of coil 10.
Electrostatic capacitance sensor portion 2 and transmitting antenna portion 3 are bonded along the length axes direction of magnetic iron core 9.Therefore, when electrostatic capacitance sensor portion 2 and 3 drivings of transmitting antenna portion, be difficult to cause electric and magnetic interference mutually.Therefore, can not influence transmission antenna device 1 transmit electric wave, the approaching characteristic of human body because of interference.
Fig. 3 represents the decomposition example of transmission antenna device 1.
Fig. 3 (a) is the exploded perspective view of the transmission antenna device 1 under the situation of overlooking.
Fig. 3 (b) is an exploded perspective view of looking up the transmission antenna device 1 under the situation.
When being illustrated in circuit board 7a, the 7b that will constitute electrostatic capacitance sensor portion 2 and separating, be formed with electrostatic capacitance detecting electrode 11a, 11b at the adhesive surface of circuit board 7b.In the present example, 11a forms the frame shape with the electrostatic capacitance detecting electrode, forms rectangular-shaped electrostatic capacitance detecting electrode 11b in the frame of electrostatic capacitance detecting electrode 11a.These electrostatic capacitance detecting electrodes 11a, 11b are electrically connected with electrostatic capacitance detection circuit described later by not shown link.In addition, electrostatic capacitance detecting electrode 11a, 11b are formed by electric conductor more than at least 1 pair and get final product.Its reason is, the such working method of variable quantity of the electrostatic capacitance when intelligent keyless access system of the present invention adopts the initial value of the electrostatic capacitance that will produce between above-mentioned a pair of electrostatic capacitance detecting electrode 11a, 11b to come human body close as absolute value.
Fig. 4 represents to analyse and observe with A-A ' line the example of transmission antenna device 1 illustrated in fig. 2.
At this, be illustrated in a plurality of electronic components 12 are installed in the electronic component installation portion 8.In electronic component 12, include the electrostatic capacitance detection circuit that is electrically connected, detects the variation of electrostatic capacitance with electrostatic capacitance detecting electrode 11a, 11b.In addition, the shape of electronic component 12 is represented by dotted lines, and being disposed in which way in the electronic component installation portion 8 is arbitrarily.And, except that above-mentioned electrostatic capacitance detection circuit, in electronic component installation portion 8, also can install the effect of playing transmitting antenna as capacitor of the member of formation of series resonant circuit etc.By constituting in this wise, can promote the modularization of electrostatic capacitance sensor portion 2, the result can seek to simplify the structure of transmission antenna device 1.
Adopt the transmission antenna device 1 of the 1st embodiment of above explanation, electrostatic capacitance sensor portion 2 and transmitting antenna portion 3 are bonded on the length axes direction of magnetic iron core 9 adjacent to each other.Therefore, when driving with transmitting antenna portion 3, be difficult to produce electric and magnetic interference in electrostatic capacitance sensor portion 2.Particularly, because therefore transmitting antenna portion 3 and not configuration mutually of electrostatic capacitance detecting electrode 11a, 11b, can reduce the generation of parasitic capacitance with overlapping.As a result, can finish transmission antenna device 1 reliably and send the such action of signal wave.In addition, the transmission antenna device after the modularization 1 can be easily positioned on the inside of door handle 5b.
In the past, in transmission antenna device, only be equipped with 1 electrostatic capacitance detecting electrode, by with detected electrostatic capacitance value with compare the variable quantity of trying to achieve electrostatic capacitance as the electrostatic capacitance value of benchmark.But the transmission antenna device 1 of this example comprises electrostatic capacitance detecting electrode more than 1 pair, and the variable quantity of static capacity compared with the past is bigger.Therefore, can detect the electrostatic capacitance that changes because of the human body contact reliably.As a result, having the function that makes electrostatic capacitance sensor portion 2 and transmitting antenna portion 3 does not hinder mutually and can bring into play the such effect of desired characteristic.
In addition, auxiliary electrode 4 is configured in the electrostatic capacitance sensor portion 2 by state with electric insulation, can increase human body near the time electrostatic capacitance variable quantity.Therefore, the electrostatic capacitance detection circuit that comprised of electronic component 12 can detect the variation of electrostatic capacitance reliably.As a result, have the action that to carry out reliably door is locked, unblanks and handle such effect.
In addition, the electronic component 12 that comprises the capacitor etc. of the series resonant circuit that constitutes transmitting antenna portion 3 can be installed on electronic component installation portion 8.And, in electronic component 12, comprise electrostatic capacitance detection circuit.As a result, have and the transmission antenna device 1 that is made of one as electrostatic capacitance sensor can be realized modular effect.
At this, the variation of the electrostatic capacitance sensor portion 2 of the 1st embodiment is described with reference to Fig. 5～Fig. 7.
Fig. 5 is the exploded perspective view of the transmission antenna device 21 under the situation of overlooking.
When being illustrated in circuit board 7a, the 7b that will constitute electrostatic capacitance sensor portion 22 and separating, be formed with a pair of electrostatic capacitance detecting electrode 23a, 23b abreast at the adhesive surface of circuit board 7b.In the present example, electrostatic capacitance detecting electrode 23a, 23b make identical band shape, and are electrically connected with electrostatic capacitance detection circuit described later by not shown link.Big, the mutual more distance of the thickness of the copper coin of electrostatic capacitance detecting electrode 23a, 23b is narrow more, and its electrostatic capacitance is big more.Even form electrostatic capacitance detecting electrode 23a, 23b in this wise, also can utilize the interaction of itself and auxiliary electrode increase human body near the time electrostatic capacitance variable quantity.
Fig. 6 is the exploded perspective view of the transmission antenna device 25 under the situation of overlooking.
When being illustrated in circuit board 7a, the 7b that will constitute electrostatic capacitance sensor portion 26 and separating, be formed with 2 electrostatic capacitance detecting electrode 27a, 27b at the adhesive surface of circuit board 7b.Electrostatic capacitance detecting electrode 27a, 27b are coiling metal wire and the member that constitutes, do not electrically contact mutually.Electrostatic capacitance detecting electrode 27a, 27b comprise and constitute lead division 28a, 28b a terminal, that be connected with outside electronic component separately, are electrically connected with electrostatic capacitance detection circuit.Even form electrostatic capacitance detecting electrode 27a, 27b in this wise, also can utilize the interaction of itself and auxiliary electrode increase human body near the time electrostatic capacitance variable quantity.In addition, the metal wire that constitutes electrostatic capacitance detecting electrode 27a, 27b also can be made twisted wire with 2 wires of mutual insulating.In addition, also can form a pair of above electrostatic capacitance detecting electrode 27a, 27b.
Fig. 7 is the stereogram of the transmission antenna device 31 under the situation of overlooking.
Upper surface at circuit board 7a is formed with the electronic component installation portion 33 that is used to install electronic component.And, on the short-axis direction of bonding circuit board 7a, 7b, be formed with auxiliary electrode 34.Auxiliary electrode 34 is that the metal forming body (for example Copper Foil band) with conductivity is wound in the circuit board 7a as insulator, the member that 7b forms.Because when overlapping coilings of metallic foil, therefore the increase of the electrostatic capacitance of auxiliary electrode 34, can increase the degree of influence of the variable quantity that the electrostatic capacitance of 34 pairs of electrostatic capacitance detecting electrodes of auxiliary electrode applies.The variable quantity of electrostatic capacitance, recruitment can be controlled according to the coiling number of times of auxiliary electrode 34.In addition, auxiliary electrode 34 also can be pasted the metal forming body with thickness and constitutes on circuit board 7a, 7b.
In the past, prolong the metal wire, conductive plate of face-off mutually etc. in order between 2 terminals of electrostatic capacitance detecting electrode, to obtain capacitance variations, formed basic electrostatic capacitance.And, in electrostatic capacitance sensor portion, adopt to by human body etc. near or the mode that detects of the variation of the small electrostatic capacitance that produces of contacting metal line, conductive plate.But, set by the electric capacity that changes and decide owing to be used to detect the sensitivity of the variation of electrostatic capacitance, therefore, sensitivity is set at the variation that utilizes small electrostatic capacitance come human body near the time, even the object except that human body is approaching, also can cause excessively detecting.And it is approaching only to survey human body for the variable quantity that increases electrostatic capacitance, must enlarge the area of surveying.But, in the present example,,, also increase the variable quantity of electrostatic capacitance even human body is less near the part of (contact) by covering the electrostatic capacitance detecting electrode that is clipped among circuit board 7a, the 7b by auxiliary electrode 34.Thus, the structure of realizing saving the space and suppressing excessive response.
The transmission antenna device 41 of the 2nd embodiment of the present invention then, is described with reference to Fig. 8 and Fig. 9.In Fig. 8, in the 1st execution mode, illustrated, with the identical Reference numeral of the corresponding part of Fig. 2 mark, omit detailed explanation.
Fig. 8 represents the formation example of transmission antenna device 41.
Fig. 8 (a) is the stereogram of the transmission antenna device 41 under the situation of overlooking.
Fig. 8 (b) is a stereogram of looking up the transmission antenna device 41 under the situation.
Fig. 8 (c) is the exploded perspective view of the transmission antenna device 41 under the situation of overlooking.
Transmission antenna device 41 comprises transmitting antenna portion 3 and is used to detect the electrostatic capacitance sensor portion 42 of the variation of electrostatic capacitance.Lower surface in electrostatic capacitance sensor portion 42 comprises the circuit board 43 that covers to the lower surface of transmitting antenna portion 3.In addition, be formed with the auxiliary electrode 44 that the metal forming body by conductivity constitutes on the roughly whole surface of the lower surface of circuit board 43.
Fig. 9 represents to analyse and observe with B-B ' line the example of transmission antenna device 41 illustrated in fig. 8.
Express auxiliary electrode 44 extends to transmitting antenna portion 3 from the lower surface of electrostatic capacitance sensor portion 42 lower surface.So,, therefore, can near the relative broad range transmitting antenna portion 3, detect electrostatic capacitance along with the approaching variation of human body because the area of auxiliary electrode 44 becomes big.As a result, for example, even increase is also played to being formed on the such effect of degree of influence of the electrostatic capacitance between electrostatic capacitance detecting electrode 11a, the 11b in the approaching position of human body not near electrostatic capacitance sensor portion 42.As a result, have can door handle in a big way in improve human body near the time the such effect of detection sensitivity.
Adopt the transmission antenna device 41 of the 2nd embodiment of above explanation, extend to the lower surface of transmitting antenna portion 3, electrostatic capacitance detecting electrode 11a, 11b are played the such effect of variation that increases electrostatic capacitance by the auxiliary electrode 44 that is not electrically connected.At this moment, because auxiliary electrode 44 is in electric insulating state, therefore, auxiliary electrode 44 can not produce unnecessary influence to transmitting antenna portion 3.That is, have not can to transmitting antenna portion 3 produce unnecessary parasitic capacitances and improve human body near the time the such effect of variable quantity of electrostatic capacitance.
In addition, auxiliary electrode 44 also can be made the shape that the constriction width forms on the short-axis direction of magnetic iron core 9.In addition, as long as can be at the state lower support auxiliary electrode 44 that keeps with electrostatic capacitance detecting electrode 11a, 11b insulation, as the circuit board 43 of the base of auxiliary electrode 44 with regard to optional member.For example, auxiliary electrode 44 also can disconnect circuit plate 43 and prolong metal wire, Copper Foil.In this case, owing to transmitting antenna portion 3 and electrostatic capacitance sensor portion 42 can be disposed dividually, therefore, be easy to location transmission antenna device 41 in door handle.
Adopt the transmission antenna device of the 1st and the 2nd embodiment of above explanation, the situation of the electrostatic capacitance detecting electrode being made 1 pair is illustrated, but also the electrostatic capacitance detecting electrode can be made more than 2 pairs.For example, under the situation of the way that when making, can lock or unblank, prepare 2 sense channels in advance with the contact of different positions.At this moment, the electrostatic capacitance detecting electrode is made 2 pairs, get final product human body is approaching by each.When increasing the approaching passage of human body in this wise, need electrostatic capacitance detecting electrode more than 2 pairs.
In addition, the shape of electrostatic capacitance detecting electrode is not limited to the foregoing description.In addition, it is approaching that the object that electrostatic capacitance sensor portion is detected is not limited to human body, also can detect the approaching of other objects.In addition, also can be with the authentication key that is stored in wrist-watch, portable telephone device inside as the transmission antenna device that utilizes signal wave to send, perhaps in the door of dwelling house or door handle, transmission antenna device is set.
Claims (5)
1. transmission antenna device, wherein,
Comprise:
Transmitting antenna portion, it comprises magnetic iron core and the coil that is wound in above-mentioned magnetic iron core;
Electrostatic capacitance sensor portion, it is formed by a pair of above electric conductor, human body near the time change electrostatic capacitance the electrostatic capacitance detecting electrode on be electrically connected with the electrostatic capacitance detection circuit of the variation that is used to detect above-mentioned electrostatic capacitance;
Auxiliary electrode, its with the state configuration of isolating with respect to above-mentioned electrostatic capacitance detecting electrode electricity in above-mentioned electrostatic capacitance sensor portion;
Above-mentioned electrostatic capacitance sensor portion is linked to above-mentioned transmitting antenna portion along the long axis direction of above-mentioned magnetic iron core.
2. transmission antenna device according to claim 1, wherein,
Above-mentioned auxiliary electrode is configured in above-mentioned electrostatic capacitance sensor portion and the above-mentioned transmitting antenna portion.
3. transmission antenna device according to claim 1 and 2, wherein,
Above-mentioned electrostatic capacitance sensor portion is the printed circuit board (PCB) that is formed with the bonding land pattern on the circuit board that is made of insulator as above-mentioned electrostatic capacitance detecting electrode.
4. transmission antenna device according to claim 3, wherein,
Above-mentioned electrostatic capacitance detection circuit is installed on above-mentioned printed circuit board (PCB).
5. door handle, wherein,
Contain each described transmission antenna device in the claim 1～4.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-139630 | 2008-05-28 | ||
| JP2008139630A JP5109172B2 (en) | 2008-05-28 | 2008-05-28 | Transmitting antenna device and door handle in which transmitting antenna device is accommodated |
| JP2008139630 | 2008-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101593869A true CN101593869A (en) | 2009-12-02 |
| CN101593869B CN101593869B (en) | 2012-11-14 |
Family
ID=41408404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101423341A Active CN101593869B (en) | 2008-05-28 | 2009-05-27 | A transmitting aerial apparatus and door handles collecting the transmitting aerial apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5109172B2 (en) |
| CN (1) | CN101593869B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013113246A1 (en) * | 2012-02-03 | 2013-08-08 | 华为终端有限公司 | Approach detection device and mobile terminal |
| CN105706302A (en) * | 2014-01-20 | 2016-06-22 | 株式会社村田制作所 | Antenna component |
| CN105900286A (en) * | 2014-01-20 | 2016-08-24 | 株式会社村田制作所 | Antenna component |
| CN107435471A (en) * | 2016-05-30 | 2017-12-05 | 胜美达集团株式会社 | A kind of door handle and Anneta module |
| CN107545620A (en) * | 2016-06-24 | 2018-01-05 | 厦门中云创电子科技有限公司 | A kind of dual lock control devices of automobile door and window based on Bluetooth control and locking method |
| CN110499973A (en) * | 2018-05-16 | 2019-11-26 | 爱信精机株式会社 | Vehicle employment detection device |
| US11380994B2 (en) | 2017-06-13 | 2022-07-05 | Hitachi Metals, Ltd. | Coil device and antenna |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5534027B2 (en) * | 2010-11-18 | 2014-06-25 | 株式会社村田製作所 | Antenna device |
| US8750852B2 (en) * | 2011-10-27 | 2014-06-10 | Qualcomm Incorporated | Controlling access to a mobile device |
| TWI464318B (en) * | 2013-07-29 | 2014-12-11 | Univ Nat Taipei Technology | Sensing device installed in a handle and vehicle door handle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19617038C2 (en) * | 1996-04-27 | 2000-11-30 | Huf Huelsbeck & Fuerst Gmbh | Locking system, in particular for motor vehicles |
| JP4106524B2 (en) * | 2002-01-30 | 2008-06-25 | 株式会社アルファ | Antenna unit for vehicle keyless entry |
| JP3901034B2 (en) * | 2002-06-24 | 2007-04-04 | アイシン精機株式会社 | Vehicle door opening and closing device |
| JP4098215B2 (en) * | 2003-10-29 | 2008-06-11 | アイシン精機株式会社 | Human body detection device for vehicle |
| JP2005227225A (en) * | 2004-02-16 | 2005-08-25 | Honda Motor Co Ltd | Capacitance type sensor and body catch preventive device |
| EP1772702A4 (en) * | 2004-07-23 | 2011-10-05 | Nippon Telegraph & Telephone | Surface shape recognizing sensor device |
| JP4595547B2 (en) * | 2005-01-14 | 2010-12-08 | アイシン精機株式会社 | Vehicle door handle device |
| JP2007018839A (en) * | 2005-07-07 | 2007-01-25 | Fujikura Ltd | Capacitive type proximity sensor |
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2008
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2009
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013113246A1 (en) * | 2012-02-03 | 2013-08-08 | 华为终端有限公司 | Approach detection device and mobile terminal |
| CN105706302A (en) * | 2014-01-20 | 2016-06-22 | 株式会社村田制作所 | Antenna component |
| CN105900286A (en) * | 2014-01-20 | 2016-08-24 | 株式会社村田制作所 | Antenna component |
| CN107435471A (en) * | 2016-05-30 | 2017-12-05 | 胜美达集团株式会社 | A kind of door handle and Anneta module |
| CN107545620A (en) * | 2016-06-24 | 2018-01-05 | 厦门中云创电子科技有限公司 | A kind of dual lock control devices of automobile door and window based on Bluetooth control and locking method |
| US11380994B2 (en) | 2017-06-13 | 2022-07-05 | Hitachi Metals, Ltd. | Coil device and antenna |
| CN110499973A (en) * | 2018-05-16 | 2019-11-26 | 爱信精机株式会社 | Vehicle employment detection device |
| CN110499973B (en) * | 2018-05-16 | 2021-08-20 | 爱信精机株式会社 | Human detection device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5109172B2 (en) | 2012-12-26 |
| JP2009290454A (en) | 2009-12-10 |
| CN101593869B (en) | 2012-11-14 |
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