JP7215538B2 - Antenna device manufacturing method and watch manufacturing method - Google Patents

Description

The present invention relates to a method for manufacturing an antenna device used in electronic equipment such as a wristwatch, and a method for manufacturing a timepiece .

For example, in wristwatches, as described in Patent Document 1, a structure in which an antenna is provided inside a case body is known.

JP 2015-184090 A

In such a wristwatch, a metal switch button is provided on the side of the case body, and this switch button is electrically connected to a metal back cover provided at the bottom of the case body by a connecting member to prevent static electricity. We are taking countermeasures.

In such wristwatches, even if static electricity can be prevented by providing an antenna inside the case body and connecting a metal switch button to the metal back cover, a metal When an exterior antenna member is provided, the switch button is placed close to the exterior antenna member, so the radio wave reception by the exterior antenna member is likely to be affected by the switch button, and the antenna characteristics deteriorate and the antenna characteristics become unstable. There is a problem of becoming

SUMMARY OF THE INVENTION An object of the present invention is to provide a method of manufacturing an antenna device and a method of manufacturing a timepiece that can prevent deterioration of antenna characteristics and stabilize the antenna characteristics.

This first invention comprises a first step of attaching a metal exterior antenna member formed in a ring shape to the upper part of a case body, and and a second step of arranging a metal connection member to be connected to the exterior antenna member on the outer surface of the case body .
Another aspect of the present invention includes a first step of attaching a metal exterior antenna member formed in a ring shape to the upper portion of a case body, and Manufacture of a timepiece comprising: a second step of arranging a metal connection member to be connected to an antenna member on the outer surface of the case body; and a third step of assembling a timepiece module inside the case body. The method.

According to this invention, it is possible to prevent deterioration of the antenna characteristics and stabilize the antenna characteristics.

1 is an enlarged front view showing an embodiment in which the present invention is applied to a wristwatch; FIG. FIG. 2 is an enlarged cross-sectional view showing the essential parts of the wristwatch shown in FIG. 1, taken along line AA. 3 is an enlarged cross-sectional view of a main part showing a state in which a connection part of a sensor cover in the sensor part shown in FIG. 2 is in contact with and connected to an exterior antenna member; FIG. 4 is an enlarged perspective view showing a connecting portion of the sensor cover shown in FIG. 3; FIG.

An embodiment in which the present invention is applied to a wristwatch will be described below with reference to FIGS. 1 to 4. FIG.
This wristwatch includes a wristwatch case 1, as shown in FIGS. This wristwatch case 1 includes a hard synthetic resin case body 2 and an exterior antenna member 3 made of metal such as stainless steel. The case body 2 is generally formed in a ring shape.

As shown in FIGS. 1 and 2, the exterior antenna member 3 is a GPS antenna that receives radio waves of a high frequency (for example, 1575.42 MHz), and is formed in a ring shape having substantially the same shape as the case body 2. It also functions as a watch bezel. The exterior antenna member 3 is attached to the upper portion of the case body 2 with a plurality of screws 4 via a waterproof ring 3a.

A watch glass 5 is provided via a glass packing 5a in the upper opening of the wristwatch case 1, that is, in the upper opening of the exterior antenna member 3, as shown in FIGS. A back cover 6 is attached to the lower part of the wristwatch case 1, that is, to the lower part of the case body 2 via a waterproof packing 6a. The back cover 6 is not limited to being made of metal, and may be made of nonmetallic ceramic or the like.

As shown in FIG. 1, band attachment portions 7 to which watchbands (not shown) are attached are provided on the sides of the wristwatch case 1 on the 12 o'clock side and the 6 o'clock side. A switch button 8 is provided on the 3 o'clock side of the wristwatch case 1 . 2, a sensor unit 10 is provided.

Inside the wristwatch case 1, that is, inside the case body 2, a timepiece module 11 is provided as shown in FIG. This clock module 11 includes a clock movement for indicating the time by moving hands, a display section for electro-optically displaying information such as the time (none of which is shown), and a display unit for electrically controlling and driving these. The clock circuit board 12 and other electronic parts necessary for the clock function are provided.

By the way, as shown in FIG. 2, the sensor section 10 is for detecting pressure outside the wristwatch case 1 and is provided in a through hole 13 provided in the case body 2 . The through hole 13 has a small-diameter hole 13a, a medium-diameter hole 13b, and a large-diameter hole 13c in order from the inside of the case body 2 toward the outside.

As shown in FIG. 2, the sensor unit 10 includes a pressure sensor 14 that detects pressure outside the wristwatch case 1, a protection plate 15 that protects the pressure sensor 14, a pressing plate 16 that presses the protection plate 15, A sensor cover 17, which is a protective connection member that covers and protects the pressing plate 16, is provided. The pressure sensor 14 is arranged in the middle diameter hole 13 b of the through hole 13 and electrically connected to the circuit board 12 of the clock module 11 by a flexible wiring board 18 .

As shown in FIG. 2, the protection plate 15 is a disk having a vent hole 15a at its center. is arranged via a buffer material 19 of . The pressing plate 16 is a mesh panel, and is arranged in the large-diameter hole 13 c of the through hole while being positioned on the outer surface of the protective plate 15 so as to press the protective plate 15 toward the pressure sensor 14 . It is configured.

That is, as shown in FIG. 2, the presser plate 16 is configured to press the protective plate 15 toward the pressure sensor 14, and the cushioning material 19 is pressed against the pressure sensor 14 by the pressed protective plate 15. . As a result, the pressure sensor 14 is fixed in the medium-diameter hole 13b while being pressed against the edge of the small-diameter hole 13a of the through-hole 13 .

On the other hand, as shown in FIGS. 2 and 3, the sensor cover 17 is a protective connection member, and electrically connects the protective portion 20 arranged on the outer surface of the case body 2 to cover the pressing plate 16 and the external antenna member 3. and a connecting portion 21 connected to the . The sensor cover 17 is formed of a thin plate-shaped member made of metal such as stainless steel, and a protective portion 20 and a connecting portion 21 are integrally formed. The protective portion 20 is a thin metal plate having a large number of small holes 20a, and is provided on the outer surface of the case body 2 so as to cover the pressing plate 16. As shown in FIG.

As shown in FIGS. 2 to 4, the connecting portion 21 is arranged to face the exterior antenna member 3 and is connected to the exterior antenna member 3 with enhanced capacitive coupling. In this case, the capacitive coupling capacity is proportional to the area and inversely proportional to the distance. Coupling impedance is also inversely proportional to capacitance and inversely proportional to frequency.

In this case, the relationship among the capacitive coupling capacitance C, the vacuum dielectric constant ε _<SUB>0</SUB> , the contact area S, and the interval (distance) d between the sensor unit 10 and the exterior antenna member 3 is as follows:
C=ε _<SUB>0</SUB> ·(S/d).

Therefore, the connecting portion 21 is formed so as to have a large contact area with the exterior antenna member 3 and a small contact resistance with respect to the exterior antenna member 3 . Also, the distance between the sensor section 10 and the exterior antenna member 3 is set to be short.

In this case, as shown in FIGS. 2 and 3, the connection portion 21 extends from the protection portion 20 of the sensor cover 17 toward the upper portion of the case body 2 along the outer surface of the case body 2 to connect the case body 2 and the exterior. After being inserted into the insertion groove portion 22 provided between the antenna member 3 and folded back in the insertion groove portion 22, the antenna member 3 is elastically brought into surface contact or partly in contact with the lower surface of the exterior antenna member 3 to be close to it. configured to be

That is, as shown in FIGS. 2 to 4, the connecting portion 21 is a thin plate made of metal such as stainless steel, and has a wide strip shape. an extension portion 21b that is bent at the tip of the connection portion 21a and inserted into the insertion groove portion 22; and a contact portion 21c that is in elastic contact with the lower surface.

In addition, the area of the connection portion 21 or the area of the contact portion 21c that is in elastic contact with the lower surface of the exterior antenna member 3 must be a predetermined size with respect to the area of the protection portion 20. is 10% or more of the area of the protective portion 20 .

In this case, as shown in FIGS. 2 and 3, the insertion groove 22 between the case main body 2 and the exterior antenna member 3 consists of an extension groove 23 provided on the upper surface of the case main body 2 and an extension groove 23 provided on the upper surface of the exterior antenna member 3. and a connection groove 24 provided in the sensor cover 17 , which are formed long in the insertion direction of the connection portion 21 in the sensor cover 17 while corresponding to each other. In addition, the insertion groove 22 is formed such that the width of the insertion opening into which the connection portion 21 is inserted is wide, and gradually narrows toward the inner portion.

In this case, as shown in FIG. 3, the extended groove 23 provided on the upper surface of the case main body 2 has a shape that gradually deepens from the outer surface side to the inner surface side of the case main body 2, and the groove width is the width of the connecting portion 21. formed a little wider than Thus, the extension groove 23 is configured such that when the extension portion 21b of the connection portion 21 is inserted, the contact portion 21c is easily folded back at the tip portion of the extension portion 21b.

A connection groove 24 provided on the lower surface of the exterior antenna member 3 is provided corresponding to the extension groove 23 of the case body 2, as shown in FIG. The connecting groove 24 has a shape that gradually becomes higher (deeper) from the inner peripheral side to the outer peripheral side of the exterior antenna member 3 , and the groove width is slightly smaller than the width of the connecting portion 21 , similar to the extension groove 23 of the case body 2 . Widely formed.

As a result, as shown in FIG. 3, the connecting groove 24 has a connecting surface 24a formed on the inner upper surface thereof, and the connecting surface 24a slopes upward gradually from the inner peripheral side to the outer peripheral side of the exterior antenna member 3. formed on the surface. Therefore, when the contact portion 21c of the connection portion 21 is folded back at the folded portion 21d at the tip of the extension portion 21b, the contact portion 21c of the connection groove 24 has substantially the entire surface that faces the connection surface 24a. It is configured to elastically contact in the contact state.

Therefore, as shown in FIGS. 2 to 4, the connecting portion 21 has a large contact area with the external antenna member 3 and a small contact resistance with respect to the external antenna member 3 . Further, the sensor section 10 is arranged so that the distance between the protection section 20 of the sensor cover 17 and the exterior antenna member 3 is short.

Next, operation of such a wristwatch will be described.
When assembling this watch, the watch glass 5 is attached in advance to the upper opening of the external antenna member 3 via the glass packing 5a. The exterior antenna member 3 is arranged on the upper part of the case body 2 via a waterproof ring 3a and attached with a plurality of screws 4. - 特許庁At this time, the connection groove 24 provided on the lower surface of the exterior antenna member 3 and the extension groove 23 provided on the upper end of the case body 2 are made to correspond. Thereby, an insertion groove portion 22 is formed between the case body 2 and the exterior antenna member 3 .

In this state, the sensor section 10 is attached to the through hole 13 provided on the side of the case body 2 . That is, the pressure sensor 14 of the sensor unit 10 is inserted into the medium-diameter hole 13b of the through-hole 13 of the case body 2 from the large-diameter hole 13c side. At this time, a flexible wiring board 18 is connected to the pressure sensor 14 in advance, and this wiring board 18 is inserted into the through hole 13 together with the pressure sensor 14 and fed into the case body 2 .

Then, the protection plate 15 and the cushioning material 19 are inserted into the large diameter hole 13c of the through hole 13, and the protection plate 15 and the cushioning material 19 are arranged on the outer surface of the pressure sensor . In this state, the presser plate 16 is arranged in the large diameter hole 13c of the through hole 13 and the protective plate 15 is pressed against the pressure sensor 14. As shown in FIG. As a result, the pressure sensor 14 is fixed inside the medium hole 13b of the through hole 13. As shown in FIG. Then, the protective portion 20 of the sensor cover 17 is arranged on the outer surface of the case body 2 while covering the pressing plate 16 .

As a result, the sensor section 10 is assembled in the through hole 13 of the case body 2 . In this state, the pressure from the outside of the watch case 1 is applied to the pressure sensor 14 through the numerous small holes 20a provided in the protective portion 20 of the sensor cover 17, the mesh-like holding plate 16, and the ventilation holes 15a of the protective plate 15. . Therefore, this pressure sensor 14 can detect the pressure outside the wristwatch case 1 .

When the protection portion 20 of the sensor cover 17 is arranged on the outer surface of the case body 2, the extension portion 21b and the contact portion 21c of the connection portion 21 are provided between the case body 2 and the exterior antenna member 3. It is inserted into the insertion groove portion 22 . At this time, the insertion groove portion 22 is formed long in the insertion direction of the connection portion 21 in the sensor cover 17, and the vertical width of the insertion opening into which the connection portion 21 is inserted is wide, and gradually narrows toward the inner portion. , the extension portion 21b and the contact portion 21c of the connection portion 21 are smoothly and easily inserted into the insertion groove portion 22. As shown in FIG.

In this case, the extension groove 23 of the case body 2 is formed gradually deeper from the outer peripheral side to the inner peripheral side, but the connection groove 24 of the exterior antenna member 3 is gradually higher from the inner peripheral side to the outer peripheral side. Since it is formed (deep), the folded back portion 21d of the connection portion 21 is arranged deep inside the extension groove 23 of the case body 2, so that the extension portion 21b and the contact portion 21c of the connection portion 21 are inserted into the insertion groove portion 22. easily and well inserted into the

Further, when the extension portion 21b and the contact portion 21c of the connection portion 21 are inserted into the insertion groove portion 22, the folded portion 21d functions as a spring portion, and the spring property of the folded portion 21d allows the folded contact portion to be folded back. Almost the entire surface of 21c is in surface contact elastically with a connecting surface 24a provided in the connecting groove 24 at an angle. Therefore, the connection portion 21 is reliably connected to the exterior antenna member 3, and the contact area of the connection portion 21 with respect to the exterior antenna member 3 is increased, thereby reducing the contact resistance.

After that, the clock module 11 is assembled inside the case body 2 . At this time, the flexible wiring board 18 of the pressure sensor 14 is connected to the circuit board 12 of the clock module 11 in advance. Then, the back cover 6 is attached to the lower part of the case body 2 together with the waterproof packing 6a. This completes the assembly of the watch.

In the wristwatch assembled in this way, the wristwatch case 1 is composed of the case body 2 made of synthetic resin and the exterior antenna member 3 made of metal provided on the upper part of the case body 2. 3 can receive radio waves satisfactorily. Further, in this wristwatch, the sensor section 10 is provided on the 9 o'clock side of the case body 2, so that the pressure sensor 14 of the sensor section 10 can detect the pressure outside the wristwatch case 1 satisfactorily. can.

In this case, the sensor section 10 has a pressure sensor 14 in a through hole 13 provided in the side of the case body 2 and protected by a protective plate 15 via a cushioning material 19 , and the protective plate 15 is pressurized by a pressing plate 16 . Since the pressure sensor 14 is pressed against the sensor 14 and thereby fixed in the through hole 13, the pressure outside the wristwatch case 1 can be reliably and satisfactorily detected.

The sensor unit 10 is configured such that the connecting portion 21 of the sensor cover 17 is attached to the outer surface of the case body 2 to cover the pressing plate 16, and the connecting portion 21 of the sensor cover 17 is connected to the exterior antenna member. 3 with stronger capacitive coupling, even if the sensor part 10 is arranged close to the exterior antenna member 3, the radio wave reception by the exterior antenna member 3 is not affected by the sensor part 10, and the exterior antenna Radio waves can be well received by the member 3 . Also, it is possible to take countermeasures against static electricity.

That is, the connection portion 21 of the sensor cover 17 is formed so as to have a large contact area with the exterior antenna member, so that it can be connected to the exterior antenna member 3 with enhanced capacitive coupling. Therefore, even if the sensor section 10 is arranged close to the exterior antenna member 3, the influence of the sensor section 10 on the radio wave reception of the exterior antenna member 3 can be suppressed. In addition, the reliable connection between the connection portion 21 of the sensor cover 17 and the external antenna member 3 reliably provides a path for static electricity, thus enabling countermeasures against static electricity.

In this case, the connecting portion 21 of the sensor cover 17 is a thin plate made of metal such as stainless steel and has a wide strip shape. An extension portion 21b that is bent at its tip and inserted into an insertion groove portion 22 between the case body 2 and the exterior antenna member 3, and a folding portion 21d at the tip portion of the extension portion 21b that is folded back to connect the exterior antenna member 3. Since the contact portion 21c elastically contacts the surface 24a, the contact area with the exterior antenna member 3 can be widened, and the connection can be made reliably.

That is, the insertion groove portion 22 includes an extension groove 23 on the upper surface of the case body 2 and a connection groove 24 on the lower surface of the exterior antenna member 3, which are formed long in the insertion direction of the connection portion 21 of the sensor cover 17, In addition, the extension 21b and the contact portion 21c of the connection portion 21 can be smoothly and easily inserted into the insertion groove portion 22 because the insertion opening of the connection portion 21 has a wide vertical width and is gradually narrowed toward the inner portion. be done. Therefore, it suffices to insert the connection portion 21 of the sensor cover 17 into the insertion groove portion 22, so that the assembling workability is good.

That is, the connection portion 21 is configured such that the extension portion 21b of the insertion groove portion 22 is inserted into the extension groove 23 of the case main body 2, and the contact portion 21c is folded back at the folded portion 21d to come into surface contact with the connection surface 24a of the exterior antenna member 3. Therefore, the contact area of the contact portion 21c with respect to the exterior antenna member 3 is widened, and since the contact portion 21c is securely contacted and connected to the exterior antenna member 3, the capacitive coupling is strengthened and connected to the exterior antenna member 3. be able to.

In this case, the extension groove 23 of the case body 2 is formed in a shape that gradually becomes deeper from the outer surface side toward the inner surface side of the case body 2, so that when the extension portion 21b of the connection portion 21 is inserted, In the extension groove 23, the contact portion 21c is easily and smoothly folded back by the folded portion 21d. Further, the connection groove 24 of the exterior antenna member 3 is formed in a shape that gradually becomes higher (deeper) from the inner peripheral side to the outer peripheral side of the exterior antenna member 3, so that the spring property of the folded portion 21d allows the contact portion to move. 21c is in reliable and good contact with the connection surface 24a in the connection groove 24 over a wide area.

In this case, since the connection surface 24a in the connection groove 24 is formed on an inclined surface that gradually rises from the inner peripheral side toward the outer peripheral side of the exterior antenna member 3, it is folded back in the extension groove 23 at the folded portion 21d. When the contact portion 21c comes into contact with the external antenna member 3, almost the entire surface of the contact portion 21c is elastically brought into surface contact with the entire connection surface 24a in the connection groove 24 due to the springiness of the folded portion 21d. Therefore, the contact portion 21c is brought into reliable and good contact with the exterior antenna member 3 over a wide area.

Therefore, the connection portion 21 has a large contact area with the exterior antenna member 3, a small contact resistance with the exterior antenna member 3, and a reliable connection due to the springiness of the folded portion 21d. can be connected by strengthening the capacitive coupling. In addition, even if the sensor section 10 is arranged at a short distance from the exterior antenna member 3, the contact area with the exterior antenna member 3 is widened by folding back the connection section 21 and bringing it into contact with the exterior antenna member 3. be able to.

Thus, according to this wristwatch, the case body 2 made of synthetic resin, the metal exterior antenna member 3 provided on the upper part of the case body 2 for receiving radio waves, and the antenna member 3 provided on the side of the case body 2 and a sensor cover 17, which is a protective connection member that protects the sensor unit 10 and is connected to the exterior antenna member 3 with enhanced capacitive coupling, thereby preventing deterioration in antenna characteristics. It can prevent and stabilize the antenna characteristics. Also, it is possible to take countermeasures against static electricity.

That is, in this wristwatch, the sensor cover 17 is connected to the exterior antenna member 3 with enhanced capacitive coupling. Since the influence of the sensor unit 10 on radio wave reception can be suppressed, it is possible to prevent deterioration of the antenna characteristics and stabilize the antenna characteristics.

In this case, since the sensor cover 17 is formed so as to have a large contact area with the exterior antenna member 3, the capacitive coupling can be strengthened and the sensor cover 17 can be connected to the exterior antenna member 3. The influence of the sensor unit 10 on the radio wave reception of the member 3 can be reliably suppressed, thereby preventing deterioration of the antenna characteristics and stabilizing the antenna characteristics.

Further, since the sensor cover 17 is formed so as to have a large contact area with the exterior antenna member 3, the contact resistance of the sensor cover 17 with the exterior antenna member 3 can be reduced. can be strengthened and the sensor cover 17 can be connected to the external antenna member 3, the deterioration of the antenna characteristics can be further prevented and the antenna characteristics can be stabilized.

Also, in this wristwatch, the connecting portion 21 of the sensor cover 17 extends from the outside of the sensor portion 10 along the upper surface of the case body 2 and then folds back to come into surface contact with the lower surface of the external antenna member 3. Accordingly, the contact area of the connection portion 21 with respect to the exterior antenna member 3 can be widened.

That is, the connecting portion 21 of the sensor cover 17 is a thin plate made of metal such as stainless steel, and has a wide strip shape. An extension portion 21b extending along the upper surface of the case body 2 from the tip of the connecting portion 21a and a folded portion 21d at the tip portion of the extension portion 21b are folded back to elastically contact the lower surface of the exterior antenna member 3 by surface contact. Since the contact portion 21c is provided, the contact area with the exterior antenna member 3 can be reliably increased.

In addition, in this wristwatch, the insertion groove 22 into which the connection portion 21 of the sensor cover 17 is inserted is provided between the case body 2 and the exterior antenna member 3 so as to extend in the direction of insertion. can be formed long, so that the contact portion 21c folded back at the folded portion 21d can be formed long, so that the contact area of the contact portion 21c with respect to the exterior antenna member 3 can be reliably increased.

In addition, the insertion groove 22 is formed such that the width of the insertion opening of the connection portion 21 is wide and gradually narrows toward the inner portion, so that when the exterior antenna member 3 is attached to the upper portion of the case main body 2, the sensor can be detected. Since the connection portion 21 of the cover 17 can be easily and smoothly inserted into the insertion groove portion 22, the assembly workability is good and the cost can be reduced.

In this case, when the extension 21b and the contact 21c of the connecting portion 21 are inserted into the extension groove 23 of the insertion groove portion 22, the extension groove 23 is formed to have a deep inner portion. Since the contact portion 21c can be reliably and favorably folded back at the folded portion 21d inside, the contact portion 21c can be securely and favorably brought into elastic contact with the connection surface 24a of the exterior antenna member 3 in a state of surface contact. can.

In addition, the connection groove 24 of the insertion groove portion 22 located on the lower surface of the exterior antenna member 3 is formed deeply from the inner peripheral side to the outer peripheral side of the exterior antenna member 3, and the connection surface 24a is provided at an angle inside it. As a result, when the extended portion 21b of the connecting portion 21 is inserted into the extended groove 23 and the contact portion 21c is folded back at the folded portion 21d, the spring property of the folded portion 21d pushes the contact portion 21c into the connecting groove 24. It is possible to reliably and satisfactorily contact the connection surface 24a which is provided with an inclination.

Furthermore, in this wristwatch, the distance between the sensor section 10 and the exterior antenna member 3 is set short, which also strengthens the capacitive coupling to connect the sensor cover 17 to the exterior antenna member 3. Since the influence of the sensor section 10 on the radio wave reception of the exterior antenna member 3 can be suppressed, deterioration of the antenna characteristics can be prevented and the antenna characteristics can be stabilized.

In this case, in this wristwatch, even if the distance between the sensor section 10 and the exterior antenna member 3 is short, the contact area with the exterior antenna member 3 can be widened by folding back the connecting section 21 and bringing it into contact with the exterior antenna member 3. In addition, since the contact resistance can be reduced, the influence of the sensor unit 10 on the radio wave reception of the exterior antenna member 3 can be suppressed, and this also prevents the deterioration of the antenna characteristics and stabilizes the antenna characteristics. can be made

In the above-described embodiment, the case where the contact portion 21c of the connection portion 21 of the sensor cover 17 is elastically contacted with the connection surface 24a of the connection groove 24 provided on the lower surface of the exterior antenna member 3 has been described. is not limited to this, for example, a wedge-shaped pressing piece may be inserted between the extension portion 21b of the connection portion 21 and the contact portion 21c to press the contact portion 21c against the connection surface 24a of the connection groove 24. Also, the present invention is not limited to this, and the contact portion 21c may be pressed against the connection surface 24a of the connection groove 24 with a screw, for example, if assembly workability is not taken into consideration.

In the above-described embodiment, the connection portion 21 and the exterior antenna member 3 are not limited to surface contact. There may be non-contact portions between the antenna members 3 .

Further, in the above-described embodiment, the case where the sensor unit 10 includes the pressure sensor 14 was described, but the present invention is not limited to this, and a sensor such as a temperature sensor that detects the external environment of the wristwatch case 1 can be used. It can be. Further, the present invention does not necessarily have to be a sensor, but may be an electronic component such as a speaker or a microphone, or the switch button 8. FIG.

Furthermore, in the above-described embodiment, the case of applying to a wristwatch was described, but it is not necessarily a wristwatch, and can be applied to various clocks such as travel watches, alarm clocks, table clocks, and wall clocks. Moreover, the present invention does not necessarily have to be a watch, and can be applied to various electronic devices such as mobile phones and mobile terminals.

Although one embodiment of the present invention has been described above, the present invention is not limited to this, and includes the invention described in the claims and the scope of equivalents thereof.
The invention described in the claims of the present application will be additionally described below.

(Appendix)
The invention according to claim 1 comprises a case body made of synthetic resin, an exterior antenna member made of metal provided on the upper part of the case body for receiving radio waves, and an electronic component provided on the side of the case body. and a protection connection member including a protection portion for protecting the electronic component and a connection portion connected to the exterior antenna member.

The invention according to claim 2 is the antenna device according to claim 1, wherein the protective connection member is formed of a plate-like member, and the connection portion is arranged to face the exterior antenna member. An antenna device characterized by:

The invention according to claim 3 is the antenna device according to claim 1 or claim 2, wherein the protective connection member is formed so as to reduce contact resistance with respect to the exterior antenna member. It is an antenna device.

The invention according to claim 4 is the antenna device according to any one of claims 1 to 3, wherein the protective connection member has a connection portion connected to the external antenna member, which is connected to the external antenna member. In the antenna device, the antenna device extends along the upper surface of the case body and is folded back so as to face the lower surface of the exterior antenna member.

The invention according to claim 5 is the antenna device according to claim 4, wherein an insertion groove into which the connection part of the protective connection member is inserted is formed between the case body and the exterior antenna member in the insertion direction. The antenna device is characterized by being long.

According to a sixth aspect of the present invention, there is provided the antenna device according to the fifth aspect, wherein the insertion groove has a wide vertical width of the insertion opening into which the connection portion is inserted, and is formed to gradually narrow toward the inner portion. An antenna device characterized by

The invention according to claim 7 is the antenna apparatus according to any one of claims 1 to 6, wherein the distance between the electronic component and the exterior antenna member is set short. is.

The invention according to claim 8 is the antenna device according to any one of claims 1 to 7, wherein the electronic component is a sensor for detecting an external environment of the case main body. is.

According to a ninth aspect of the invention, there is provided a timepiece comprising the antenna device according to any one of the first to eighth aspects.

1 watch case 2 case main body 3 exterior antenna member 8 switch button 10 sensor section 11 watch module 12 circuit board 13 through hole 14 pressure sensor 17 sensor cover 20 protection section 21 connection section 21a connection section 21b extension section 21c contact section 22 insertion groove section 23 Extension groove 24 Connection groove 24a Connection surface

Claims (10)

A first step of attaching a ring-shaped metallic exterior antenna member to the upper part of the case main body;
a second step of arranging a metal connection member connected to the exterior antenna member on the outer surface of the case body while covering the electronic components arranged on the side portion of the case body;
A method of manufacturing an antenna device, comprising: 2. The method of manufacturing an antenna device according to claim 1, wherein said first step includes a step of arranging said exterior antenna member on the upper portion of said case body via a ring-shaped cushioning member and attaching it with screws. In the first step, a groove provided on the lower surface of the exterior antenna member corresponds to a groove provided on the upper end of the case body, and a groove is formed between the case body and the exterior antenna member. 3. The method of manufacturing an antenna device according to claim 1, wherein the antenna device is formed. 4. The method of manufacturing an antenna device according to claim 1, further comprising a third step of assembling a sensor into a through hole of said case body. 5. The method of manufacturing an antenna device according to claim 4, wherein in the third step, the sensor is inserted into the middle-diameter hole of the through-hole of the case body from the large-diameter side. The third step includes a step of inserting a protection plate together with a cushioning material into the large-diameter hole of the through hole of the case body, and arranging the protection plate together with the cushioning material on the outer surface of the sensor. 6. The method for manufacturing an antenna device according to claim 4 or 5, wherein The third step is
placing a retainer plate in the large-diameter hole of the through-hole of the case main body, pressing the protective plate against the sensor, and fixing the sensor in the medium-diameter hole of the through-hole of the case main body; and,
a step of placing the connecting member on the outer surface of the case body, the connecting member covering the holding plate;
6. The method of manufacturing an antenna device according to claim 5 , comprising: 8. A step of inserting said connecting member into a groove provided between said case main body and said exterior antenna member when arranging said connecting member on the outer surface of said case main body. A method of manufacturing the antenna device according to 1. When the connecting member is inserted into the groove, the folded portion of the connecting member functions as a spring portion, and the folded portion is inclined in the groove due to the springiness of the folded portion. 9. The method of manufacturing an antenna device according to claim 8, wherein the elastic contact is made by surface contact with the surface. A first step of attaching a ring-shaped metallic exterior antenna member to the upper part of the case main body;
a second step of arranging a metal connection member connected to the exterior antenna member on the outer surface of the case body while covering the electronic components arranged on the side portion of the case body;
a third step of assembling a timepiece module inside the case main body;
A method of manufacturing a watch, comprising:

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