JP2000056045A - Receiving set and wrist watch with receiving function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an antenna member capable of being fitted with a sufficient length apart from a circuit board mounted with electronic parts and capable of obtaining optimum reception sensitivity. SOLUTION: A watch module 3 is stored in a wrist watch case fitted with a band, a circuit board 13 provided with a watch circuit is fitted to the lower face of the upper housing 10 of the watch module 3, and an antenna member 20 is provided on the upper face of the upper housing 10. The antenna member 20 can be separated from the circuit board 13 provided with the watch circuit, and the antenna member 20 can be separated from a human body such as a hand. The antenna member 20 is provided on the upper face of the upper housing 10 to surround the periphery of a liquid crystal display panel 16, the antenna member 20 can be fitted in the wrist watch case with a sufficient length, and the antenna member 20 can obtain optimum reception sensitivity without having the adverse effect of noises.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a receiving device and a wristwatch with a receiving function.

[0002]

2. Description of the Related Art A small portable device using radio waves requires an antenna for receiving radio waves.
It is necessary to sufficiently consider the mounting space of the antenna and the positional relationship between the antenna and other metal parts. In particular, a wristwatch having a function of notifying an incoming call of a mobile phone has a clock function and other additional functions. Therefore, it is important to secure an antenna mounting space and a distance from a clock component. By the way, such a wristwatch with a reception function conventionally has a structure in which an antenna is embedded in a watch band, a structure in which a bar antenna is provided in a wristwatch case, or an antenna formed on a circuit board in a wristwatch case. And the like.

[0003]

However, in a wristwatch in which an antenna is embedded in a watch band, the antenna must be electrically connected to a circuit board in a wristwatch case. Is difficult to secure. Also, in a wristwatch with a bar antenna provided in the wristwatch case, the additional function is abundant and the number of parts is large, so there is almost no space space inside the wristwatch case, so it is necessary to secure a sufficient size and mount the bar antenna There is a problem that is difficult. Furthermore, in a wristwatch having an antenna formed on a circuit board, since a large number of electronic components are mounted on the circuit board, there is no room for forming the antenna on the circuit board, and a battery such as a battery mounted on the circuit board cannot be formed. There is a problem that the antenna is close to the electronic component, the antenna is easily affected by noise or the like, and the receiving sensitivity is reduced.

[0004] It is an object of the present invention to be able to mount the electronic component away from a circuit board on which the electronic component is mounted and with a sufficient length to obtain an optimum receiving sensitivity.

[0005]

According to the first aspect of the present invention,
A case, an insulating housing housed in the case, a display panel mounted on the upper side of the insulating housing, a circuit board mounted on a lower surface of the insulating housing, and an upper surface of the insulating housing. An antenna member is provided so as to surround the periphery of the display panel, and one end is connected to the circuit board. According to the present invention, since the circuit board is attached to the lower surface of the insulating housing housed in the case and the antenna member is provided on the upper surface of the insulating housing, the antenna member is separated from the circuit board on which the electronic components are mounted. In addition, since the antenna member is provided on the upper surface of the insulating housing so as to surround the periphery of the display panel, the antenna member can be mounted in the case with a sufficient length. Optimum receiving sensitivity is obtained without being adversely affected.

In this case, if the circuit board is configured so that a part of the circuit board extends from the side surface of the insulating housing and one end of the antenna member is connected to the extended part, One end of the antenna member can be separated from an electronic component provided on the circuit board and connected to the circuit board. Further, as described in claim 3, if the inner surface of the case is provided with a concave portion into which a part of the circuit board extending from the side surface of the insulating housing is inserted, a space for absorbing the height of the antenna member is provided. Can be secured, the case does not become thick,
The size of the entire apparatus can be reduced. Further, if a plurality of antenna guides for positioning the antenna member are provided on the upper surface of the insulating housing as described in claim 4, even if only one end of the antenna member is fixed to the circuit board,
The antenna member can be reliably positioned and fixed at a predetermined position on the upper surface of the insulating housing. Furthermore, if the antenna member has a structure in which a conductive wire such as copper is plated with a conductive material such as nickel or gold as described in claim 5, the conductivity is high at low cost and the receiving sensitivity is high. Good things can be obtained.

The invention according to claim 8 is a watch case to which a band is attached, an insulating housing accommodated in the watch case, and a watch circuit attached to the lower surface of the insulating housing. A circuit board, a display panel attached to the upper side of the insulative housing and displaying the time obtained by the clock circuit, and an upper end of the insulative housing provided to surround the periphery of the display panel. And an antenna member connected to the circuit board. According to the present invention, the circuit board provided with the clock circuit is attached to the lower surface of the insulating housing accommodated in the watch case, and the antenna member is provided on the upper surface of the insulating housing, so that the clock circuit is provided. The antenna member can be separated from the human body such as the circuit board and the arm, and the antenna member is provided on the upper surface of the insulating housing so as to surround the periphery of the display panel. As a result, the antenna member is not adversely affected by noise or the like, and the optimum receiving sensitivity can be obtained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
An embodiment of a wristwatch with a reception function according to the present invention will be described. 1 is a front view of the wristwatch, FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 with a back cover removed, and FIG. 3 is a rear view thereof. This wristwatch has a receiving function and includes a wristwatch case 1 made of synthetic resin. As shown in FIG. 2, a watch glass 2 is mounted on the upper part of the watch case 1, and a watch module 3 is housed inside the watch glass 2 via a parting member 8. A bezel 4 made of a synthetic resin is attached to the upper surface of the watch case 1 so as to surround the watch glass 2, and a decorative portion 4a is provided on the bezel 4 at positions of 3 o'clock and 9 o'clock. Is formed. Further, a plurality of upper surface switch buttons 5 for mode switching and the like are provided at a position located at 6 o'clock on the upper surface of the watch case 1, and at positions located at 2 o'clock and 4 o'clock on the side surface of the watch case 1, Side switch buttons 6 for time adjustment and light lighting are provided respectively. The wristwatch case 1 has band attachment portions 7 to which a watch band (not shown) is attached, corresponding to the positions of 12 o'clock and 6 o'clock.

The timepiece module 3 includes an upper housing (insulating housing) 10 and a lower housing 11 as shown in FIGS. The upper housing 10 and the lower housing 11 are each made of an insulating synthetic resin, and a ground plate 12 is disposed on the lower surface of the lower housing 11, and hook portions 12 a formed on the ground plate 12 are provided on side surfaces of the upper housing 10. Locking projection 10a
, The upper housing 10 and the lower housing 11 are attached to each other. in this case,
On both sides of the hook portion 12a provided at the 3 o'clock position of the main plate 12, switch spring portions 12b extending along the periphery of the upper housing 10 and the lower housing 11 are provided corresponding to the side switch buttons 6. Have been. A circuit board 13 is disposed between the upper housing 10 and the lower housing 11 so as to be located on the lower surface of the upper housing 10.
As shown in FIG. 7, various electronic components 14 are mounted on the circuit board 13, and these electronic components 14 constitute a clock circuit, a receiving circuit, and other additional function circuits. 4 and 6, an extension 13a extending from a side surface of the upper housing 10 and the lower housing 11 is provided at a position of 9 o'clock on the circuit board 13. This extension 1
3a, when the watch module 3 is stored in the watch case 1 as shown in FIG.
It is arranged in a recess 15 provided at a position where it is sometimes located.

A liquid crystal display panel 16 for displaying information such as time is mounted on the upper part of the upper housing 10, as shown in FIG. An EL panel (electroluminescence panel) for illuminating the liquid crystal display panel 16 is provided on the lower surface of the liquid crystal display panel 16 as shown in FIG.
17 is arranged via a spacer 18. And
An antenna member 20 is provided on the upper surface of the upper housing 10 so as to surround the liquid crystal display panel 16.
The antenna member 20 may be made of a silver wire having a high conductivity, but here, a phosphor bronze wire (having a diameter of about 0.8 mm) having a conductivity next to silver is plated with nickel. , And gold plated. As shown in FIG. 8A, the antenna member 20 is bent into a substantially square shape, and both ends 20a and 20b are respectively extended to the left at the 9 o'clock position.
As shown in the figure, it is bent downward. As shown in FIG. 7, the lower part of both ends 20a and 20b of the antenna member 20 is formed by extending the lower part of the circuit board 13 along the left side surface of the upper housing 10 and the lower housing 11. 13a, the ends 20a, 2a
0b, only one end 20a is attached by solder 21 as shown in FIGS. 6 and 7, and is thereby electrically connected to the circuit board 13. In this case, the antenna member 20 is positioned and fixed at a predetermined position on the upper surface of the upper housing 10 by a plurality of antenna guides 22 provided on the upper surface of the upper housing 10.

On the other hand, as shown in FIG. 6, a battery housing 24 for housing a battery 23 and a motor housing 26 for housing a vibration motor 25 to be described later are provided on the lower housing 11 at diagonal lines. I have. The base plate 12 arranged on the lower surface of the lower housing 11 has a battery housing 24
12c, 12d corresponding to the motor housing 26
Are formed, and a battery pressing piece 27 is provided in the opening 12 c corresponding to the battery storage section 24.
A contact spring 29 that contacts one electrode 37b of a piezoelectric buzzer 28 described later is formed on the battery pressing piece 27. Further, a coil spring 30 that electrically connects the other electrode 37a of the piezoelectric buzzer 28 and the circuit board 13 is disposed in the lower housing 11 near the battery housing 24. Further, two electrodes 3 of the vibration motor 25 are provided on the lower housing 11 near the motor housing 26.
Two coil springs 32 for electrically connecting the circuit board 1a to the circuit board 13 are arranged.

As shown in FIG. 7, a back cover 34 made of synthetic resin is attached to the lower part of the watch case 1 via a waterproof packing 33. As shown in FIG. 9, a vibration motor 25 is provided on the inner surface of the back cover 34 so as to correspond to the motor housing 26, and a piezoelectric buzzer 28 is provided substantially corresponding to the battery housing 24. I have.
The vibration motor 25 is a flat vibration motor having an eccentric rotator having a rotation center at an eccentric position, and is attached to a back cover 34 by a ring-shaped buffer 35. An electrode substrate 31 is attached to the vibration motor 25, and the electrode substrate 31 is provided with an electrode 31a with which two coil springs 32 elastically contact. Also, as shown in FIGS. 9 and 10, the piezoelectric buzzer 28
Electrodes 37a and 37b are provided on the upper and lower surfaces of the lower cover 34. By applying a voltage to the upper and lower electrodes 37a and 37b, the piezoelectric element 36 is vibrated to generate an electronic sound. Are located in In this case, the upper electrode 37a is formed to have substantially the same size as the piezoelectric element 36, and the coil spring 30 contacts the upper surface thereof. The lower electrode 37b is a piezoelectric element 36.
The contact spring 29 comes into contact with a portion protruding to the periphery thereof.

In such a wristwatch with a reception function, the time can be normally displayed on the liquid crystal display panel 16, and the EL panel 17 is turned on by operating the side switch button 6 for turning on the light. Panel 16
In addition to being able to confirm the time even in a dark place by illuminating the lower surface of the antenna, the alarm sound can be emitted at the time set by the piezoelectric buzzer 28, and the antenna member 20 can be emitted.
The radio wave can be received by the receiving circuit of the circuit board 13 and the arrival of the radio wave can be notified by vibrating the vibration motor 25. In this case, by setting the receiving circuit of the circuit board 13 so as to receive a signal transmitted from the mobile phone at the time of communication between the mobile phone and the base station, the signal transmitted from the mobile phone can be transmitted to the antenna member 2.
0, and the incoming call can be notified by the vibration of the vibration motor 25.

As described above, in this wristwatch with a receiving function, the circuit board 13 provided with a clock circuit, a receiving circuit, and the like is attached to the lower surface of the insulative upper housing 10 housed in the wristwatch case 1. Housing 1
Since the antenna member 20 is provided on the upper surface of the
The antenna member 20 can be sufficiently separated from the circuit board 13 and the battery 23 on which the antenna 4 is mounted, and the antenna member 20 can be separated from the human body such as the main plate 12 and the arm by the upper housing 10 and the lower housing 11. Further, since the antenna member 20 is provided on the upper surface of the upper housing 10 so as to surround the periphery of the liquid crystal display panel 16, the antenna member 20 can be mounted in the watch case 1 with a sufficient length. 20 is less likely to be adversely affected by noise or the like, and optimal receiving sensitivity is obtained.

In this case, the circuit board 13 is provided with an extension 13a extending from the side surface of the upper housing 10, and the extension 13a is provided at both ends 20a of the antenna member 20.
a and 20b are reached, and one end 20a of them is connected by the solder 21, so that both ends 20a and 20a of the antenna member 20 are separated from the electronic component 14 provided on the circuit board 13.
b can be separated and connected to the circuit board 13. Further, the inner surface of the wristwatch case 1 is provided with the concave portion 15 into which the extending portion 13a of the circuit board 13 extending from the side surface of the upper housing 10 is inserted.
A space for absorbing the height of the wristwatch can be secured, so that even if the antenna member 20 is built in, the wristwatch case 1 does not become thick, and the whole wristwatch can be reduced in size.

In this wristwatch with a receiving function, a plurality of antenna guide portions 22 for positioning the antenna member 20 are provided on the upper surface of the upper housing 10, so that
Even if only one end 20a of both ends 20a and 20b of the antenna member 20 is fixed, the antenna member 20 can be reliably positioned and fixed at a predetermined position on the upper surface of the upper housing 10. Further, since the antenna member 20 has a structure in which an inexpensive phosphor bronze wire is plated with nickel and further plated with gold, it is possible to obtain a low-cost, high-conductivity, high-reception-rate antenna. . Furthermore, in this wristwatch with a receiving function, the lower housing 11
The battery storage unit 24 and the motor storage unit 26 are provided on the diagonal line so that the battery 23 is stored in the battery storage unit 24 and the vibration motor 25 provided in the back cover 34 is stored in the motor storage unit 26. As a result, large-diameter components such as the battery 23 and the vibration motor 25 can be efficiently mounted at high density, and the overall size of the wristwatch can be reduced.

In the above embodiment, the case where the signal transmitted from the mobile phone is received by the antenna member 20 has been described. However, the present invention is not limited to this. For example, a time correction radio wave is received and the time is automatically adjusted. It may be modified. Further, in the above-described embodiment, the case where the incoming call is notified by the vibration of the vibration motor 25 has been described. However, the present invention is not limited to this. For example, the incoming call may be notified by sound using the piezoelectric buzzer 28. 28. Furthermore, in the above-described embodiment, the wristwatch with the reception function has been described. However, the present invention is not limited to this, and can be widely applied to other reception devices that receive radio waves, such as a pager (pager).

[0018]

As described above, according to the first aspect of the present invention, the circuit board is mounted on the lower surface of the insulating housing housed in the case, and the antenna member is provided on the upper surface of the insulating housing. Therefore, the antenna member can be separated from the circuit board on which the electronic components are mounted, and the antenna member is provided on the upper surface of the insulating housing so as to surround the periphery of the display panel. The antenna members are not adversely affected by noise or the like, and optimum receiving sensitivity can be obtained. According to the invention of claim 8, a circuit board provided with a clock circuit is mounted on the lower surface of the insulating housing housed in the watch case to which the band is mounted, and the antenna member is provided on the upper surface of the insulating housing. Therefore, the antenna member can be separated from the circuit board on which the clock circuit is provided and a human body such as an arm, and the antenna member is provided on the upper surface of the insulating housing so as to surround the periphery of the display panel. Now, the antenna member can be mounted in the watch case, and as a result,
Similarly to the first aspect of the invention, the antenna member is not adversely affected by noise or the like, and the optimum receiving sensitivity can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a wristwatch with a reception function according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1 in a state in which a back cover is removed from the wristwatch of FIG. 1;

FIG. 3 is a rear view of the wristwatch in the state of FIG. 2;

FIG. 4 is a front view of the timepiece module of FIG. 2;

FIG. 5 is a right side view of the timepiece module of FIG. 4;

FIG. 6 is a rear view of the timepiece module of FIG. 4;

FIG. 7 is a BB cross-sectional view showing a main part of the timepiece module of FIG. 4;

8A and 8B show the antenna member of FIG. 4, wherein FIG. 8A is a front view and FIG. 8B is a side view.

FIG. 9 is a plan view of a back cover attached to a lower part of the wristwatch of FIG. 1;

FIG. 10 is a cross-sectional view taken along the line CC of a main part of FIG. 9;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 watch case 3 watch module 10 upper housing 13 circuit board 13a circuit board extension 14 electronic component 15 watch case recess 16 liquid crystal display panel 20 antenna member 20a antenna member end 22 antenna guide 25 vibration motor

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2F002 AA00 AB02 AB03 AB04 AB06 AC01 AC02 AC04 BB04 EA01 EC00 EC01 EF01 EH04 GA06 5J047 AA02 AA03 AA07 AB11 EF02 FC01 5K023 AA00 AA07 BB06 CC00 DD01 HH04 HH07 MM12

Claims (8)

[Claims] A case, an insulating housing housed in the case, a display panel mounted on an upper side of the insulating housing, a circuit board mounted on a lower surface of the insulating housing, A receiver provided on an upper surface of the flexible housing so as to surround the periphery of the display panel, and an antenna member having one end connected to the circuit board. 2. The device according to claim 1, wherein a part of the circuit board extends from a side surface of the insulating housing, and the one end of the antenna member is connected to the extended part. Receiver. 3. The receiving device according to claim 2, wherein a concave portion into which a part of the circuit board extending from a side surface of the insulating housing is inserted is provided on an inner surface of the case. 4. The receiving apparatus according to claim 1, wherein a plurality of antenna guides for positioning said antenna member are provided on an upper surface of said insulating housing. 5. The receiving apparatus according to claim 1, wherein said antenna member is formed by applying a conductive wire such as nickel or gold to a conductive wire such as copper. 6. The receiving device according to claim 1, further comprising an alarm device for notifying an incoming call when said antenna member receives a radio signal. 7. The receiving device according to claim 6, wherein said alarm device is a vibration motor. 8. A watch case to which a band is attached, an insulating housing housed in the watch case, a circuit board attached to a lower surface of the insulating housing and provided with a clock circuit, A display panel attached to an upper side of the housing and displaying the time obtained by the clock circuit; and a display panel provided on an upper surface of the insulating housing so as to surround the periphery of the display panel, one end of which is connected to the circuit board. A wristwatch with a reception function, comprising: an antenna member.