JP2005260765A - Electronic apparatus - Google Patents

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JP2005260765A
JP2005260765A JP2004071874A JP2004071874A JP2005260765A JP 2005260765 A JP2005260765 A JP 2005260765A JP 2004071874 A JP2004071874 A JP 2004071874A JP 2004071874 A JP2004071874 A JP 2004071874A JP 2005260765 A JP2005260765 A JP 2005260765A
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antenna coil
soft magnetic
magnetic material
circuit board
disposed
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JP4608916B2 (en
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Hiroshi Morohoshi
博 諸星
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To improve reception sensitivity by preventing magnetic flux from being lost by an eddy current that is generated in a conductive component, such as an electronic component. <P>SOLUTION: A soft magnetic material 23 is provided between an antenna coil 21 of a wireless module 4 disposed in a peripheral part on a lower surface side of watch glass 2 and a liquid crystal display panel 9 disposed on a lower side of the antenna coil 21. Therefore, if magnetic flux is generated in the antenna coil 21 during communication using the wireless module 4, the magnetic flux can be prevented by the soft magnetic material 23 from being lost by generating an eddy current in a conductive component, such as an electronic component incorporated in a watch case 1, so that reception sensitivity can be improved. Furthermore, the antenna coil 21 is disposed in the peripheral part on the lower surface of the watch glass 2, so that the antenna coil 21 can be located closer to an outer surface of the watch case 1. Thus, a communication distance can be reduced, thereby improving reception sensitivity. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、腕時計や携帯電話機などの電子機器に関し、更に詳しくは無線式ＩＤ（ＲＦＩＤ）、電子タグ、トランスポンダと呼ばれ、電磁誘導によって無線でデータを送受信する装置を備えた電子機器に関する。   The present invention relates to an electronic device such as a wristwatch or a mobile phone, and more particularly to an electronic device including a wireless ID (RFID), an electronic tag, and a transponder, and a device that wirelessly transmits and receives data by electromagnetic induction.

従来、腕時計においては、基板にアンテナコイルとＩＣチップを搭載したＲＦＩＤモジュールを腕時計ケース内に組み込み、電磁誘導によって無線でデータを送受信するようにしたものがある。
特表２０００−５０９８１３号公報 Conventionally, there is a wristwatch in which an RFID module having an antenna coil and an IC chip mounted on a substrate is incorporated in a wristwatch case, and data is transmitted and received wirelessly by electromagnetic induction.
JP 2000-509813 A

しかしながら、従来の腕時計では、腕時計ケース内に時計機能に必要な各種の電子部品が組み込まれているため、ＲＦＩＤモジュールのアンテナコイルに発生する磁束によって各種の電子部品、つまり導電性を有する部品に渦電流が発生し、これにより磁束が損失し、受信感度が低下するという問題がある。   However, in the conventional wristwatch, various electronic components necessary for the watch function are incorporated in the watch case, and therefore, various electronic components, that is, conductive components are swirled by the magnetic flux generated in the antenna coil of the RFID module. There is a problem in that current is generated, thereby causing loss of magnetic flux and lowering reception sensitivity.

この発明が解決しようとする課題は、電子部品などの導電性を有する部品に発生する渦電流による磁束の損失を防ぎ、受信感度を高めることができる電子機器を提供することである。   The problem to be solved by the present invention is to provide an electronic device capable of preventing loss of magnetic flux due to eddy current generated in a conductive component such as an electronic component and improving reception sensitivity.

この発明は、上記課題を解決するために、次のような構成要素を備えている。
なお、各構成要素には、後述する各実施形態の項で説明される各要素に付されている図面の参照番号などを括弧と共に付す。
請求項１に記載の発明は、図１〜図４に示すように、保護ガラス（時計ガラス２）と、この保護ガラスの下側周辺部に配置されたアンテナコイル（２１）と、このアンテナコイルの下側に配置された表示装置（液晶表示パネル９）と、前記アンテナコイルと前記表示装置との間に設けられた軟磁性材（２３）とを備えたことを特徴とする電子機器である。 In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.
As shown in FIGS. 1 to 4, the invention according to claim 1 is a protective glass (watch glass 2), an antenna coil (21) disposed on the lower peripheral portion of the protective glass, and the antenna coil. An electronic apparatus comprising: a display device (liquid crystal display panel 9) disposed on a lower side of the display; and a soft magnetic material (23) provided between the antenna coil and the display device. .

請求項２に記載の発明は、図５〜図１０に示すように、保護ガラス（時計ガラス２）と、この保護ガラスの下側に配置されたアンテナコイル（２１）と、このアンテナコイルの下側に配置された回路基板（１２）と、前記アンテナコイルと前記回路基板との間に設けられた軟磁性材（３０、３１、３２、３６）とを備えたことを特徴とする電子機器である。   As shown in FIGS. 5 to 10, the invention described in claim 2 is a protective glass (watch glass 2), an antenna coil (21) disposed below the protective glass, and a bottom of the antenna coil. An electronic device comprising: a circuit board (12) disposed on a side; and a soft magnetic material (30, 31, 32, 36) provided between the antenna coil and the circuit board. is there.

請求項３に記載の発明は、図１０（ａ）および図１０（ｂ）に示すように、前記アンテナコイル（２１）と前記回路基板（１２）との間に表示装置（液晶表示パネル３５）が配置され、この表示装置の下面に前記軟磁性材（３６）が設けられていることを特徴とする請求項２に記載の電子機器である。   As shown in FIGS. 10A and 10B, the invention according to claim 3 is a display device (liquid crystal display panel 35) between the antenna coil (21) and the circuit board (12). The electronic apparatus according to claim 2, wherein the soft magnetic material is provided on a lower surface of the display device.

請求項４に記載の発明は、図５および図６に示すように、前記アンテナコイル（２１）と前記回路基板（１２）との間に表示装置（液晶表示パネル９）が配置され、この表示装置の下面にバックライト装置（バックライトパネル１０）が配置され、このバックライト装置の下面に前記軟磁性材（３０）が設けられていることを特徴とする請求項２に記載の電子機器である。   According to a fourth aspect of the present invention, as shown in FIGS. 5 and 6, a display device (liquid crystal display panel 9) is disposed between the antenna coil (21) and the circuit board (12). The electronic apparatus according to claim 2, wherein a backlight device (backlight panel 10) is disposed on a lower surface of the device, and the soft magnetic material (30) is provided on a lower surface of the backlight device. is there.

請求項５に記載の発明は、図７および図８に示すように、前記アンテナコイル（２１）と前記回路基板（１２）との間に表示装置（液晶表示パネル９）が配置され、この表示装置と前記回路基板との間にその両者を電気的に接続する接続部材（インターコネクタ１４）を保持するための保持部材（１１）が配置され、この保持部材に前記軟磁性材（３１）が設けられていることを特徴とする請求項２に記載の電子機器である。   According to the fifth aspect of the present invention, as shown in FIGS. 7 and 8, a display device (liquid crystal display panel 9) is disposed between the antenna coil (21) and the circuit board (12). A holding member (11) for holding a connecting member (interconnector 14) that electrically connects the device and the circuit board is disposed, and the soft magnetic material (31) is placed on the holding member. The electronic apparatus according to claim 2, wherein the electronic apparatus is provided.

請求項６に記載の発明は、図９（ａ）および図９（ｂ）に示すように、前記回路基板（１２）の上面に前記軟磁性材（３２）が設けられていることを特徴とする請求項２に記載の電子機器である。   The invention according to claim 6 is characterized in that the soft magnetic material (32) is provided on the upper surface of the circuit board (12) as shown in FIGS. 9 (a) and 9 (b). The electronic device according to claim 2.

請求項１に記載の発明によれば、保護ガラスの下側周辺部に配置されたアンテナコイルと、このアンテナコイルの下側に配置された表示装置との間に、軟磁性材を設けたので、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができる。この場合には、特にアンテナコイルと表示装置との間に導電性を有する部品がほとんど配置されてないため、磁束の損失が極めて少なく、受信感度が良い。また、保護ガラスの下側周辺部にアンテナコイルを配置しているので、アンテナコイルを機器の外表面に近づけることができ、これにより通信距離を短くすることができるので、これによっても受信感度を高めることができる。   According to the first aspect of the present invention, the soft magnetic material is provided between the antenna coil disposed on the lower peripheral portion of the protective glass and the display device disposed on the lower side of the antenna coil. When magnetic flux is generated in the antenna coil during communication, soft magnetic materials can prevent eddy currents from being generated and loss of magnetic flux in conductive parts such as electronic parts required for electronic equipment. Reception sensitivity can be increased. In this case, particularly, there are almost no conductive parts between the antenna coil and the display device, so that the loss of magnetic flux is extremely small and the reception sensitivity is good. In addition, since the antenna coil is arranged in the lower peripheral part of the protective glass, the antenna coil can be brought closer to the outer surface of the device, thereby shortening the communication distance, thereby also improving the reception sensitivity. Can be increased.

請求項２に記載の発明によれば、保護ガラスの下側に配置されたアンテナコイルと、このアンテナコイルの下側に配置された回路基板との間に、軟磁性材を設けたので、請求項１に記載の発明と同様、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品のうち、特にアンテナコイルと回路基板との間に配置された電子部品などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができる。この場合にも、保護ガラスの下側にアンテナコイルを配置しているので、アンテナコイルを機器の外表面に近づけることができ、これにより通信距離を短くすることができるので、これによっても受信感度を高めることができる。   According to the invention described in claim 2, since the soft magnetic material is provided between the antenna coil arranged under the protective glass and the circuit board arranged under the antenna coil, Similarly to the invention described in Item 1, when magnetic flux is generated in the antenna coil during communication, the conductive coil is disposed between the antenna coil and the circuit board, among electronic components necessary for the electronic device. A soft magnetic material can prevent a magnetic flux from being lost due to an eddy current generated in a conductive component such as an electronic component, thereby improving reception sensitivity. In this case as well, the antenna coil is arranged under the protective glass, so that the antenna coil can be brought closer to the outer surface of the device, thereby shortening the communication distance, thereby also receiving sensitivity. Can be increased.

請求項３に記載の発明によれば、アンテナコイルと回路基板との間に配置された表示装置の下面に軟磁性材が設けられていることにより、請求項２に記載の発明と同様、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品のうち、特にアンテナコイルと回路基板との間に配置された表示装置などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができるほか、表示装置の下面に軟磁性材を設けるだけで良いので、構造が簡単で、その製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。   According to the third aspect of the present invention, the soft magnetic material is provided on the lower surface of the display device disposed between the antenna coil and the circuit board. Sometimes when magnetic flux is generated in the antenna coil, among conductive parts such as electronic parts necessary for electronic devices, especially conductive parts such as display devices arranged between the antenna coil and the circuit board. The soft magnetic material can prevent the loss of magnetic flux due to the generation of eddy currents, which can improve the reception sensitivity, and it is only necessary to provide a soft magnetic material on the lower surface of the display device, thus simplifying the structure. Therefore, the manufacturing and assembling work can be facilitated, thereby reducing the cost.

請求項４に記載の発明によれば、アンテナコイルと回路基板との間に配置された表示装置の下面にバックライト装置が配置され、このバックライト装置の下面に軟磁性材が設けられていることにより、請求項２に記載の発明と同様、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品のうち、特にアンテナコイルと回路基板との間に配置された表示装置およびバックライト装置などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができるほか、バックライト装置の下面に軟磁性材を設けるだけで良いので、構造が簡単で、その製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。   According to the invention described in claim 4, the backlight device is disposed on the lower surface of the display device disposed between the antenna coil and the circuit board, and the soft magnetic material is provided on the lower surface of the backlight device. Thus, as in the second aspect of the invention, when magnetic flux is generated in the antenna coil during communication, among the conductive parts such as electronic parts necessary for the electronic device, particularly between the antenna coil and the circuit board. In addition to being able to prevent eddy currents from being generated and loss of magnetic flux in conductive parts such as display devices and backlight devices arranged in the soft magnetic material, this can improve reception sensitivity, Since it is only necessary to provide a soft magnetic material on the lower surface of the backlight device, the structure is simple, the manufacturing and assembling work can be facilitated, and the cost can be reduced.

請求項５に記載の発明によれば、アンテナコイルと回路基板との間に表示装置が配置され、この表示装置と回路基板との間にその両者を電気的に接続する接続部材を保持するための保持部材が配置され、この保持部材に軟磁性材が設けられていることにより、請求項２に記載の発明と同様、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品のうち、特にアンテナコイルと回路基板との間に配置された表示装置および接続部材などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができるほか、保持部材に軟磁性材を設けるだけで良いので、構造が簡単で、その製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。   According to the fifth aspect of the present invention, the display device is disposed between the antenna coil and the circuit board, and the connection member that electrically connects the display device and the circuit board is held between the display device and the circuit board. When the magnetic flux is generated in the antenna coil at the time of communication, the electronic component required for the electronic device is provided, as in the case of the invention according to claim 2. Among the components that have conductivity, such as display devices and connection members that are placed between the antenna coil and the circuit board, eddy currents are generated in the components that have conductivity, and magnetic flux is lost. In addition to improving the reception sensitivity, it is only necessary to provide a soft magnetic material for the holding member, so the structure is simple and the manufacturing and assembly work can be facilitated. It is possible to achieve even lower prices.

請求項６に記載の発明によれば、回路基板の上面に軟磁性材が設けられていることにより、請求項２に記載の発明と同様、通信時にアンテナコイルに磁束が発生した際、電子機器に必要な電子部品などの導電性を有する部品、特にアンテナコイルと回路基板との間に配置される導電性を有する部品のほか、回路基板およびこれに搭載された部品に渦電流が発生して磁束が損失するのを軟磁性材によって防ぐことができ、これにより受信感度を高めることができるほか、回路基板の上面に軟磁性材を設けるだけで良いので、構造が簡単で、その製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。   According to the invention described in claim 6, since the soft magnetic material is provided on the upper surface of the circuit board, when the magnetic flux is generated in the antenna coil at the time of communication as in the invention described in claim 2, the electronic device In addition to conductive parts such as electronic parts necessary for the circuit, especially conductive parts placed between the antenna coil and the circuit board, eddy currents are generated in the circuit board and the parts mounted on the circuit board. The loss of magnetic flux can be prevented by the soft magnetic material, which can improve the reception sensitivity and also only need to provide the soft magnetic material on the upper surface of the circuit board, so the structure is simple and its manufacture and assembly Work can be facilitated, thereby reducing the price.

（実施形態１）
以下、図１〜図３を参照して、この発明の電子機器を腕時計に適用した実施形態１について説明する。
図１はこの発明の腕時計を示した拡大断面図、図２は図１の時計ガラスを取り外した状態の正面図、図２は図１の時計ガラスを示した正面図である。
この腕時計は、図１および図２に示すように、合成樹脂製の腕時計ケース１を備えている。この腕時計ケース１の上部には、図１に示すように、時計ガラス２が装着されており、この腕時計ケース１の内部には、時計モジュール３および無線モジュール４が組み込まれている。また、この腕時計ケース１の下面には、合成樹脂製の裏蓋５が取り付けられており、腕時計ケース１の側面には、図２に示すように、複数の押釦スイッチ６が設けられている。 (Embodiment 1)
A first embodiment in which the electronic device of the present invention is applied to a wristwatch will be described below with reference to FIGS.
FIG. 1 is an enlarged cross-sectional view showing a wristwatch of the present invention, FIG. 2 is a front view of the watch glass of FIG. 1 removed, and FIG. 2 is a front view of the watch glass of FIG.
As shown in FIGS. 1 and 2, this wristwatch includes a wristwatch case 1 made of synthetic resin. As shown in FIG. 1, a watch glass 2 is attached to the upper part of the watch case 1, and a watch module 3 and a radio module 4 are incorporated in the watch case 1. Further, a synthetic resin back cover 5 is attached to the lower surface of the wristwatch case 1, and a plurality of push button switches 6 are provided on the side surface of the wristwatch case 1 as shown in FIG.

時計モジュール３は、図１に示すように、合成樹脂製の上部ハウジング７と合成樹脂製の下部ハウジング８とを備えている。上部ハウジング７は、腕時計ケース１の内周面に密着するほぼ箱形状に形成されており、下部ハウジング８は、上部ハウジング７内の下部に配置されるように形成されている。そして、下部ハウジング８上に位置する上部ハウジング７内には、上から順に、液晶表示パネル９、バックライトパネル１０、保持部材１１、および回路基板１２が配置されており、下部ハウジング８内には、釦型の電池１３が配置されている。   As shown in FIG. 1, the timepiece module 3 includes an upper housing 7 made of synthetic resin and a lower housing 8 made of synthetic resin. The upper housing 7 is formed in a substantially box shape that is in close contact with the inner peripheral surface of the watch case 1, and the lower housing 8 is formed so as to be disposed in the lower portion in the upper housing 7. A liquid crystal display panel 9, a backlight panel 10, a holding member 11, and a circuit board 12 are arranged in order from the top in the upper housing 7 located on the lower housing 8. A button type battery 13 is arranged.

この場合、液晶表示パネル９は、一対の透明な電極基板間に液晶を封入し、これら一対の電極基板間に選択的に電圧を印加することにより、時刻などの情報を表示する透過型の表示素子であり、インターコネクタ１４によって回路基板１２の電極端子（図示せず）と電気的に接続されている。バックライトパネル１０は、ＥＬ発光パネル（エレクトロルミネッセンス発光パネル）などの平面発光型の発光素子からなり、面発光した光で液晶表示パネル９をその下面側から照明するように構成されている。このバックライトパネル１０は、コイルばねなどの接続部材１５によって回路基板１２の電極端子（図示せず）と電気的に接続されている。   In this case, the liquid crystal display panel 9 encloses a liquid crystal between a pair of transparent electrode substrates, and selectively applies a voltage between the pair of electrode substrates to display information such as time. It is an element and is electrically connected to an electrode terminal (not shown) of the circuit board 12 by an interconnector 14. The backlight panel 10 is composed of a planar light emitting element such as an EL light emitting panel (electroluminescence light emitting panel), and is configured to illuminate the liquid crystal display panel 9 from the lower surface side with surface-emitting light. The backlight panel 10 is electrically connected to an electrode terminal (not shown) of the circuit board 12 by a connection member 15 such as a coil spring.

保持部材１１は、平板状に形成され、その所定個所にインターコネクタ１４が挿入する第１挿入孔１６と接続部材１５が挿入する第２挿入孔１７とが設けられ、第１挿入孔１６にインターコネクタ１４が挿入することにより、インターコネクタ１４を保持してインターコネクタ１４の倒れや位置ずれを防ぐと共に、第２挿入孔１７に接続部材１５が挿入することにより、接続部材１５を保持して接続部材１５の倒れや位置ずれを防ぐように構成されている。回路基板１２は、時計機能に必要なＬＳＩなどの各種のチップ部品（図示せず）が搭載され、これにより時計回路を形成するように構成されている。   The holding member 11 is formed in a flat plate shape, and a first insertion hole 16 into which the interconnector 14 is inserted and a second insertion hole 17 into which the connection member 15 is inserted are provided at predetermined positions. When the connector 14 is inserted, the interconnector 14 is held to prevent the interconnector 14 from falling or being displaced, and the connecting member 15 is inserted into the second insertion hole 17 to hold and connect the connecting member 15. The member 15 is configured to prevent the member 15 from falling or misaligned. The circuit board 12 is mounted with various chip components (not shown) such as LSI necessary for the clock function, thereby forming a clock circuit.

一方、無線モジュール４は、図１に示すように、時計ガラス２の下面における外周部に設けられた見切り部１８の下面に対応して配置されている。この無線モジュール４は、図２に示すように、ほぼリング状のフイルム基板２０を備えている。このフイルム基板２０の上下面には、アンテナコイル２１がほぼ渦巻状に形成されており、フィルム基板２０の一部、つまり６時側の上面には、ＲＦＩＤチップであるＩＣチップ２２がアンテナコイル２１と電気的に接続された状態で設けられている。これにより、この無線モジュール４は、電磁界を発生する外部機器のリーダライダ（図示せず）に腕時計を接近させると、このリーダライダで発生した電磁界によってアンテナコイル１８に電磁誘導により電流が流れ、これによりリーダライダとの間でデータを送受信するように構成されている。   On the other hand, as shown in FIG. 1, the wireless module 4 is arranged corresponding to the lower surface of the parting portion 18 provided on the outer peripheral portion of the lower surface of the watch glass 2. As shown in FIG. 2, the wireless module 4 includes a substantially ring-shaped film substrate 20. An antenna coil 21 is formed in a substantially spiral shape on the upper and lower surfaces of the film substrate 20, and an IC chip 22, which is an RFID chip, is formed on a part of the film substrate 20, that is, the upper surface on the 6 o'clock side. Are provided in an electrically connected state. Thus, when the wireless module 4 brings a wristwatch close to a reader / writer (not shown) of an external device that generates an electromagnetic field, a current flows through the antenna coil 18 by electromagnetic induction due to the electromagnetic field generated by the reader / writer. Thus, data is transmitted to and received from the reader / writer.

この場合、見切り部１８は、図２および図３に示すように、液晶表示パネル９の表示領域９ａに対応する個所を除いて、時計ガラス２の下面における外周部に印刷によって設けられた構成でも良く、また見切り印刷が施されたシートを時計ガラス２の下面に貼り付けた構成でも良い。また、フィルム基板２０は、液晶表示パネル９の表示領域９ａを囲む大きさのリング状に形成され、時計ガラス２の下面に設けられた見切り部１８の下側に位置した状態で、腕時計ケース１の内周面に設けられた鍔状突起部１ａの上面に軟磁性材２３を介して配置されている。   In this case, as shown in FIG. 2 and FIG. 3, the parting part 18 may also be configured by printing on the outer peripheral part of the lower surface of the watch glass 2 except for the part corresponding to the display area 9 a of the liquid crystal display panel 9. Alternatively, a configuration in which a part-printed sheet is attached to the lower surface of the watch glass 2 may be used. In addition, the film substrate 20 is formed in a ring shape having a size surrounding the display area 9 a of the liquid crystal display panel 9, and is positioned below the parting portion 18 provided on the lower surface of the watch glass 2. Is disposed on the upper surface of the hook-shaped protrusion 1 a provided on the inner peripheral surface of the first electrode via a soft magnetic material 23.

この軟磁性材２３は、磁石に吸いつく性質をもつ強磁性体であり、この強磁性体のうち、外部磁界の変化に追従する電磁石やトランスの磁心材料などに用いられる物質からなっている。すなわち、強磁性体は硬磁性材と軟磁性材とに区分され、硬磁性材は外部磁界によって磁化された後、外部磁界を取り去っても磁化を残す物質であるが、軟磁性材は外部磁界を取り去ると磁化を失って元の状態に戻る物質である。この軟磁性材２３は、シート状に形成して腕時計ケース１の鍔状突起部１ａ上に貼り付けた構成でも良く、また軟磁性材の粉末を接着剤に混入させて鍔状突起部１ａ上に塗布した構成でも良い。   The soft magnetic material 23 is a ferromagnet having a property of attracting to a magnet, and is made of a material used for an electromagnet that follows a change in an external magnetic field, a magnetic core material of a transformer, or the like. That is, the ferromagnetic material is classified into a hard magnetic material and a soft magnetic material. The hard magnetic material is magnetized by an external magnetic field and then remains magnetized even if the external magnetic field is removed. It is a substance that loses magnetization and returns to its original state when the is removed. The soft magnetic material 23 may be formed in a sheet shape and affixed on the hook-shaped protrusion 1a of the wristwatch case 1. Alternatively, the soft magnetic material 23 may be mixed with an adhesive to add a soft magnetic material powder onto the hook-shaped protrusion 1a. The structure applied to may be used.

このような腕時計によれば、通常の腕時計と同様、腕時計ケース１の外部から時計ガラス２を通して液晶表示パネル９の表示領域９ａに表示された時刻などの情報を見ることができるほか、特に電磁界を発生する外部機器であるリーダライダ（図示せず）に腕時計ケース１を接近させると、このリーダライダで発生した電磁界によって無線モジュール４のアンテナコイル２１に電磁誘導により電流が流れ、これによりリーダライダと無線モジュール４との間でデータの送受信ができる。   According to such a wristwatch, information such as the time displayed on the display area 9a of the liquid crystal display panel 9 can be seen from the outside of the wristwatch case 1 through the watch glass 2 as well as a normal wristwatch. When the wristwatch case 1 is brought close to a reader / rider (not shown) that is an external device that generates a current, an electromagnetic field generated by the reader / lider causes an electric current to flow through the antenna coil 21 of the wireless module 4 due to electromagnetic induction, thereby Data can be transmitted and received between the lidar and the wireless module 4.

このときには、時計ガラス２の下面側における周辺部に配置された無線モジュール４のアンテナコイル２１と、このアンテナコイル２１の下側に配置された液晶表示パネル９との間に、軟磁性材２３が設けられているので、通信時にアンテナコイル２１に磁束が発生した際、腕時計ケース１内に組み込まれた各種の電子部品などの導電性を有する部品、例えば液晶表示パネル９やバックライトパネル１０、回路基板１２などの部品に渦電流が発生して磁束が損失するのを軟磁性材２３によって防ぐことができ、これによりアンテナコイル２１による受信感度を高めることができる。この場合には、特にアンテナコイル２１と液晶表示パネル９との間に電子部品などの導電性を有する部品がほとんど配置されていないため、磁束の損失が極めて少なく、これにより、より一層、受信感度を高めることができる。   At this time, the soft magnetic material 23 is placed between the antenna coil 21 of the wireless module 4 disposed in the peripheral portion on the lower surface side of the watch glass 2 and the liquid crystal display panel 9 disposed below the antenna coil 21. Therefore, when magnetic flux is generated in the antenna coil 21 at the time of communication, there are conductive parts such as various electronic parts incorporated in the watch case 1, such as the liquid crystal display panel 9, the backlight panel 10, and the circuit. The soft magnetic material 23 can prevent the magnetic flux from being lost due to the generation of eddy currents in components such as the substrate 12, thereby increasing the reception sensitivity of the antenna coil 21. In this case, since there are almost no conductive parts such as electronic parts arranged between the antenna coil 21 and the liquid crystal display panel 9 in particular, the loss of magnetic flux is extremely small, thereby further improving the reception sensitivity. Can be increased.

また、この腕時計では、時計ガラス２の下面側における周辺部にアンテナコイル２１を配置したので、アンテナコイル２１を腕時計の外表面に近づけることができ、このため外部機器であるリーダライダに時計ガラス２を近づけることにより、通信距離を短くすることができ、これによってもアンテナコイル２１の受信感度を高めることができる。この場合、時計ガラス２の下面側に無線モジュール４を配置しても、時計ガラス２の下面に設けられた見切り部１８によって無線モジュール４を隠すことができるので、外観的にもデザイン的にも好ましいものを得ることができる。   Further, in this wristwatch, the antenna coil 21 is disposed in the peripheral portion on the lower surface side of the watch glass 2, so that the antenna coil 21 can be brought close to the outer surface of the watch, and thus the watch glass 2 is attached to a reader / rider as an external device. By reducing the distance, the communication distance can be shortened, and the reception sensitivity of the antenna coil 21 can also be increased. In this case, even if the wireless module 4 is arranged on the lower surface side of the watch glass 2, the wireless module 4 can be hidden by the parting part 18 provided on the lower surface of the watch glass 2, so that both the appearance and the design are possible. Preferred ones can be obtained.

なお、上記実施形態１では、軟磁性材２３を腕時計ケース１の鍔状突起部１ａの上面に設けて無線モジュール４のアンテナコイル２１の下面に配置させた場合について述べたが、必ずしも軟磁性材２３を腕時計ケース１の鍔状突起部１ａの上面に設けてアンテナコイル２１の下面に配置させる必要はなく、図４に示す変形例のように、アンテナコイル２１を腕時計ケース１の鍔状突起部１ａの上面に配置し、この鍔状突起部１ａの下面に軟磁性材２３をアンテナコイル２１に対応させて設けた構造でも良い。このような構造でも、軟磁性材２３が時計ガラス２と液晶表示パネル９との間に配置されているので、実施形態１と同様の作用効果がある。   In the first embodiment, the case where the soft magnetic material 23 is provided on the upper surface of the hook-shaped protrusion 1a of the watch case 1 and is disposed on the lower surface of the antenna coil 21 of the wireless module 4 has been described. 23 does not have to be provided on the upper surface of the hook-shaped protrusion 1a of the watch case 1 and disposed on the lower surface of the antenna coil 21, and the antenna coil 21 is not provided with the hook-shaped protrusion of the watch case 1 as in the modification shown in FIG. A structure in which the soft magnetic material 23 is provided on the upper surface of 1a so as to correspond to the antenna coil 21 on the lower surface of the hook-shaped protrusion 1a may be employed. Even in such a structure, since the soft magnetic material 23 is disposed between the watch glass 2 and the liquid crystal display panel 9, the same effects as those of the first embodiment can be obtained.

（実施形態２）
次に、図５および図６を参照して、この発明の電子機器を腕時計に適用した実施形態２について説明する。なお、図１〜図３に示された実施形態１と同一部分には同一符号を付して説明する。
この腕時計は、軟磁性材３０を無線モジュール４のアンテナコイル２１と回路基板１２との間に位置するバックライトパネル１０の下面に設けた構成で、これ以外は実施形態１と同じ構成になっている。 (Embodiment 2)
Next, a second embodiment in which the electronic apparatus of the present invention is applied to a wristwatch will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS. 1-3.
This wristwatch has a configuration in which a soft magnetic material 30 is provided on the lower surface of the backlight panel 10 positioned between the antenna coil 21 and the circuit board 12 of the wireless module 4, and the other configuration is the same as that of the first embodiment. Yes.

この場合にも、軟磁性材３０は、実施形態１の軟磁性材２３と同様、外部磁界の変化に追従する電磁石やトランスの磁心材料などに用いられる物質からなり、シート状に形成してバックライトパネル１０の下面に貼り付けた構成でも良く、また軟磁性材の粉末を接着剤に混入させてバックライトパネル１０の下面に塗布した構成でも良い。この場合、軟磁性材３０の所定個所には、図６（ａ）および図６（ｂ）に示すように、バックライトパネル１０と回路基板１２とを電気的に接続するためのコイルばねなどの接続部材１５が挿入する接続用の挿入孔３０ａが設けられている。   Also in this case, the soft magnetic material 30 is made of a material used for an electromagnet or a magnetic core material of a transformer that follows a change in an external magnetic field, like the soft magnetic material 23 of the first embodiment, and is formed into a sheet shape and back. The structure may be affixed to the lower surface of the light panel 10 or may be a structure in which a soft magnetic material powder is mixed into an adhesive and applied to the lower surface of the backlight panel 10. In this case, as shown in FIGS. 6A and 6B, a coil spring or the like for electrically connecting the backlight panel 10 and the circuit board 12 is provided at a predetermined portion of the soft magnetic material 30. An insertion hole 30a for connection through which the connection member 15 is inserted is provided.

このような腕時計では、無線モジュール４のアンテナコイル２１と回路基板１２との間に位置するバックライトパネル１０の下面に軟磁性材３０を設けたので、実施形態１と同様、通信時にアンテナコイル２１に磁束が発生した際、腕時計ケース１内に組み込まれた各種の電子部品などの導電性を有する部品のうち、特にアンテナコイル２１と回路基板１２との間に配置された液晶表示パネル９やバックライトパネル１０などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材３０によって防ぐことができ、これによりアンテナコイル２１による受信感度を高めることができる。   In such a wristwatch, since the soft magnetic material 30 is provided on the lower surface of the backlight panel 10 positioned between the antenna coil 21 of the wireless module 4 and the circuit board 12, the antenna coil 21 is used during communication as in the first embodiment. Among the components having conductivity such as various electronic components incorporated in the wristwatch case 1 when the magnetic flux is generated, particularly the liquid crystal display panel 9 disposed between the antenna coil 21 and the circuit board 12 and the back. The soft magnetic material 30 can prevent the magnetic flux from being lost due to the generation of eddy currents in conductive parts such as the light panel 10, thereby increasing the reception sensitivity of the antenna coil 21.

この場合には、特にバックライトパネル１０の下面に軟磁性材３０を設ければ良いので、その構造が簡単で、既存の製品と同様、時計モジュール３の製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。この場合にも、時計ガラス２の下面側における周辺部にアンテナコイル２１が配置されているので、アンテナコイル２１を腕時計の外表面に近づけることができ、このため外部機器であるリーダライダに時計ガラス２を近づけることにより、通信距離を短くすることができ、これによってもアンテナコイル２１の受信感度を高めることができる。   In this case, it is only necessary to provide the soft magnetic material 30 on the lower surface of the backlight panel 10 in particular, so that the structure is simple, and the watch module 3 can be easily manufactured and assembled as in the case of existing products. As a result, the price can be reduced. Also in this case, since the antenna coil 21 is disposed in the peripheral portion on the lower surface side of the watch glass 2, the antenna coil 21 can be brought close to the outer surface of the wristwatch, and therefore, the watch glass is attached to the reader / rider as an external device. By bringing 2 closer, the communication distance can be shortened, and the reception sensitivity of the antenna coil 21 can also be increased.

（実施形態３）
次に、図７（ａ）および図７（ｂ）を参照して、この発明の電子機器を腕時計に適用した実施形態３について説明する。この場合には、図５および図６に示された実施形態２と同一部分に同一符号を付して説明する。
この腕時計は、無線モジュール４のアンテナコイル２１と回路基板１２との間に位置する保持部材１１の上面に軟磁性材３１を設けた構成で、これ以外は実施形態２とほぼ同じ構成になっている。 (Embodiment 3)
Next, with reference to FIGS. 7A and 7B, a third embodiment in which the electronic apparatus of the present invention is applied to a wristwatch will be described. In this case, the same reference numerals are given to the same portions as those in the second embodiment shown in FIGS.
This wristwatch has a configuration in which a soft magnetic material 31 is provided on the upper surface of the holding member 11 positioned between the antenna coil 21 and the circuit board 12 of the wireless module 4, and the other configuration is substantially the same as that of the second embodiment. Yes.

この場合にも、軟磁性材３１は、実施形態１、２の軟磁性材２３、３０と同様、外部磁界の変化に追従する電磁石やトランスの磁心材料などに用いられる物質からなり、シート状に形成して保持部材１１に貼り付けた構成でも良く、また軟磁性材の粉末を接着剤に混入させて保持部材１１に塗布した構成でも良い。この場合、軟磁性材３１の所定個所には、インターコネクタ１４および接続部材１５がそれぞれ挿入する各挿入孔３１ａ、３１ｂが保持部材１１の第１、第２挿入孔１６、１７に対応して設けられている。   Also in this case, the soft magnetic material 31 is made of a material used for an electromagnet that follows a change in an external magnetic field, a magnetic core material of a transformer, and the like, like the soft magnetic materials 23 and 30 of the first and second embodiments. The structure may be formed and affixed to the holding member 11, or may be a structure in which a soft magnetic material powder is mixed into the adhesive and applied to the holding member 11. In this case, insertion holes 31 a and 31 b into which the interconnector 14 and the connection member 15 are inserted are provided at predetermined positions of the soft magnetic material 31 corresponding to the first and second insertion holes 16 and 17 of the holding member 11. It has been.

このような腕時計においても、無線モジュール４のアンテナコイル２１と回路基板１２との間に位置する保持部材１１の上面に軟磁性材３１を設けたので、実施形態２と同様、通信時にアンテナコイル２１に磁束が発生した際、腕時計ケース１内に組み込まれた各種の電子部品などの導電性を有する部品のうち、特にアンテナコイル２１と回路基板１２との間に配置された液晶表示パネル９やバックライトパネル１０、インターコネクタ１４、接続部材１５などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材３１によって防ぐことができ、これによりアンテナコイル２１による受信感度を高めることができる。   Also in such a wristwatch, since the soft magnetic material 31 is provided on the upper surface of the holding member 11 positioned between the antenna coil 21 of the wireless module 4 and the circuit board 12, the antenna coil 21 is used during communication as in the second embodiment. Among the components having conductivity such as various electronic components incorporated in the wristwatch case 1 when the magnetic flux is generated, particularly the liquid crystal display panel 9 disposed between the antenna coil 21 and the circuit board 12 and the back. The soft magnetic material 31 can prevent the magnetic flux from being lost due to the generation of eddy currents in the conductive parts such as the light panel 10, the interconnector 14, and the connecting member 15, thereby improving the reception sensitivity of the antenna coil 21. Can be increased.

この場合には、保持部材１１の上面に軟磁性材３１を設ければ良いので、その構造が簡単で、既存の製品と同様、時計モジュール３の製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。また、この場合にも、時計ガラス２の下面側における周辺部にアンテナコイル２１が配置されているので、外部機器であるリーダライダに時計ガラス２を近づけることにより、通信距離を短くすることができ、これによってもアンテナコイル２１の受信感度を高めることができる。   In this case, since the soft magnetic material 31 may be provided on the upper surface of the holding member 11, the structure is simple, and the watch module 3 can be easily manufactured and assembled as in the case of existing products. Price can also be achieved. Also in this case, since the antenna coil 21 is arranged in the peripheral portion on the lower surface side of the watch glass 2, the communication distance can be shortened by bringing the watch glass 2 close to the reader / rider which is an external device. This also increases the reception sensitivity of the antenna coil 21.

なお、上記実施形態３では、軟磁性材３１を保持部材１１の上面に設けた場合について述べたが、必ずしも保持部材１１の上面に軟磁性材３１を設ける必要はなく、保持部材１１の下面に設けても良く、また図８に示すように、軟磁性材３１を保持部材１１内に埋設した構造でも良く、さらに保持部材１１自体を軟磁性材で形成した構造でも良い。この場合にも、各軟磁性材３１にはインターコネクタ１４および接続部材１５がそれぞれ挿入する各挿入孔３１ａ、３１ｂが設けられている。このようないずれの構造でも、実施形態３と同様の作用効果がある。   In the third embodiment, the case where the soft magnetic material 31 is provided on the upper surface of the holding member 11 is described. However, the soft magnetic material 31 is not necessarily provided on the upper surface of the holding member 11, and the lower surface of the holding member 11 is not necessarily provided. As shown in FIG. 8, a structure in which the soft magnetic material 31 is embedded in the holding member 11 or a structure in which the holding member 11 itself is formed of a soft magnetic material may be used. Also in this case, each soft magnetic material 31 is provided with insertion holes 31a and 31b into which the interconnector 14 and the connection member 15 are inserted. Any of these structures has the same effects as the third embodiment.

（実施形態４）
次に、図９（ａ）および図９（ｂ）を参照して、この発明の電子機器を腕時計に適用した実施形態４について説明する。この場合にも、図５および図６に示された実施形態２と同一部分に同一符号を付して説明する。
この腕時計は、無線モジュール４のアンテナコイル２１の下側に位置する回路基板１２の上面に軟磁性材３２を設けた構成で、これ以外は実施形態２とほぼ同じ構成になっている。この場合、回路基板１２の上面には、時計機能に必要なＬＳＩなどのチップ部品１２ａが設けられていると共に、各種の電極端子１２ｂ、１２ｃなどが設けられている。 (Embodiment 4)
Next, with reference to FIGS. 9A and 9B, a fourth embodiment in which the electronic apparatus of the present invention is applied to a wristwatch will be described. Also in this case, the same reference numerals are given to the same portions as those in the second embodiment shown in FIGS.
This wristwatch has a configuration in which a soft magnetic material 32 is provided on the upper surface of the circuit board 12 located on the lower side of the antenna coil 21 of the wireless module 4, and the other configuration is substantially the same as that of the second embodiment. In this case, on the upper surface of the circuit board 12, a chip component 12a such as an LSI necessary for a clock function is provided, and various electrode terminals 12b and 12c are provided.

この軟磁性材３２も、実施形態１〜３の軟磁性材２３、３０、３１と同様、外部磁界の変化に追従する電磁石やトランスの磁心材料などに用いられる物質からなり、シート状に形成して回路基板１２の上面に貼り付けた構成でも良く、また軟磁性材の粉末を接着剤に混入させて回路基板１２の上面に塗布した構成でも良い。この場合にも、軟磁性材３２の所定個所には、インターコネクタ１４と接続部材１５とがそれぞれ挿入して回路基板１２の各電極端子１２ｂ、１２ｃに接触するための貫通孔３３、３４が各電極端子１２ｂ、１２ｃに対応して設けられている。   Similarly to the soft magnetic materials 23, 30, and 31 of the first to third embodiments, the soft magnetic material 32 is made of a material used for an electromagnet that follows a change in an external magnetic field, a magnetic core material of a transformer, and the like, and is formed in a sheet shape. The structure may be affixed to the upper surface of the circuit board 12, or may be a structure in which a soft magnetic material powder is mixed in an adhesive and applied to the upper surface of the circuit board 12. Also in this case, through holes 33 and 34 for inserting the interconnector 14 and the connecting member 15 into contact with the electrode terminals 12b and 12c of the circuit board 12 are provided at predetermined positions of the soft magnetic material 32, respectively. It is provided corresponding to the electrode terminals 12b and 12c.

このような腕時計においても、軟磁性材３２が無線モジュール４のアンテナコイル２１の下側に位置する回路基板１２の上面に設けられているので、実施形態２と同様、通信時にアンテナコイル２１に磁束が発生した際、腕時計ケース１内に組み込まれた各種の電子部品などの導電性を有する部品のうち、特にアンテナコイル２１と回路基板１２との間に配置された液晶表示パネル９やバックライトパネル１０、インターコネクタ１４、接続部材１５などの導電性を有する部品のほか、回路基板１２、およびこれに搭載されたチップ部品１２ａなどの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材３２によって防ぐことができ、これによりアンテナコイル２１による受信感度を高めることができる。   Also in such a wristwatch, since the soft magnetic material 32 is provided on the upper surface of the circuit board 12 positioned below the antenna coil 21 of the wireless module 4, the magnetic flux is applied to the antenna coil 21 during communication as in the second embodiment. Among the components having conductivity such as various electronic components incorporated in the wristwatch case 1, the liquid crystal display panel 9 and the backlight panel disposed between the antenna coil 21 and the circuit board 12 are used. 10, in addition to conductive parts such as the interconnector 14 and the connection member 15, eddy currents are generated in the conductive parts such as the circuit board 12 and the chip part 12a mounted on the circuit board 12, and the magnetic flux is lost. Can be prevented by the soft magnetic material 32, whereby the receiving sensitivity of the antenna coil 21 can be increased.

この場合には、回路基板１２の上面に軟磁性材３２を設ければ良いので、その構造が簡単で、既存の製品と同様、時計モジュール３の製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。また、この場合にも、時計ガラス２の下面側における周辺部にアンテナコイル２１が配置されているので、外部機器であるリーダライダに時計ガラス２を近づけることにより、通信距離を短くすることができ、これによってもアンテナコイル２１の受信感度を高めることができる。   In this case, since the soft magnetic material 32 may be provided on the upper surface of the circuit board 12, the structure is simple, and the watch module 3 can be easily manufactured and assembled as in the case of existing products. Price can also be achieved. Also in this case, since the antenna coil 21 is arranged in the peripheral portion on the lower surface side of the watch glass 2, the communication distance can be shortened by bringing the watch glass 2 close to the reader / rider which is an external device. This also increases the reception sensitivity of the antenna coil 21.

（実施形態５）
次に、図１０（ａ）および図１０（ｂ）を参照して、この発明を腕時計に適用した実施形態５について説明する。この場合にも、図５および図６に示された実施形態２と同一部分に同一符号を付して説明する。
この腕時計は、無線モジュール４のアンテナコイル２１と回路基板１２との間に反射型の液晶表示パネル３５を配置し、この反射型の液晶表示パネル３５の下面に軟磁性材３６を設けた構成で、これ以外は実施形態２とほぼ同じ構成になっている。 (Embodiment 5)
Next, a fifth embodiment in which the present invention is applied to a wristwatch will be described with reference to FIGS. 10 (a) and 10 (b). Also in this case, the same reference numerals are given to the same portions as those in the second embodiment shown in FIGS.
In this wristwatch, a reflective liquid crystal display panel 35 is disposed between the antenna coil 21 of the wireless module 4 and the circuit board 12, and a soft magnetic material 36 is provided on the lower surface of the reflective liquid crystal display panel 35. Other than this, the configuration is substantially the same as in the second embodiment.

この場合、液晶表示パネル３５は、一対の透明な電極基板のうち、下側の電極基板の下面に反射板を設けた反射型のもので、バックライトパネル１０を必要としない構成になっている。また、この液晶表示パネル３５の下面に設けられた軟磁性材３６は、実施形態１〜４の軟磁性材２３、３０〜３２と同様、外部磁界の変化に追従する電磁石やトランスの磁心材料などに用いられる物質からなり、シート状に形成して液晶表示パネル３５の下面に貼り付けた構成でも良く、また軟磁性材の粉末を接着剤に混入させて液晶表示パネル３５の下面に塗布した構成でも良い。   In this case, the liquid crystal display panel 35 is a reflective type in which a reflective plate is provided on the lower surface of the lower electrode substrate among the pair of transparent electrode substrates, and the backlight panel 10 is not required. . Further, the soft magnetic material 36 provided on the lower surface of the liquid crystal display panel 35 is similar to the soft magnetic materials 23 and 30 to 32 of the first to fourth embodiments, such as an electromagnet that follows a change in an external magnetic field, a magnetic core material of a transformer, and the like. The material may be formed in a sheet shape and attached to the lower surface of the liquid crystal display panel 35. Alternatively, the soft magnetic material powder may be mixed with an adhesive and applied to the lower surface of the liquid crystal display panel 35. But it ’s okay.

このような腕時計においても、軟磁性材３６が無線モジュール４のアンテナコイル２１と回路基板１２との間に位置する液晶表示パネル３５の下面に設けられているので、実施形態２と同様、通信時にアンテナコイル２１に磁束が発生した際、腕時計ケース１内に組み込まれた各種の電子部品などの導電性を有する部品のうち、特にアンテナコイル２１と回路基板１２との間に配置された液晶表示パネル３５などの導電性を有する部品に渦電流が発生して磁束が損失するのを軟磁性材３６によって防ぐことができ、これによりアンテナコイル２１による受信感度を高めることができる。   Also in such a wristwatch, since the soft magnetic material 36 is provided on the lower surface of the liquid crystal display panel 35 located between the antenna coil 21 and the circuit board 12 of the wireless module 4, as in the second embodiment, during communication, A liquid crystal display panel disposed between the antenna coil 21 and the circuit board 12 among conductive parts such as various electronic parts incorporated in the watch case 1 when magnetic flux is generated in the antenna coil 21. The soft magnetic material 36 can prevent the magnetic flux from being lost due to the generation of eddy currents in the conductive parts such as 35, and thereby the reception sensitivity of the antenna coil 21 can be increased.

この場合には、液晶表示パネル３５の下面に軟磁性材３６を設ければ良いので、その構造が簡単で、既存の製品と同様、時計モジュール３の製作および組み立て作業が容易にでき、これにより低価格化をも図ることができる。また、この場合にも、時計ガラス２の下面側における周辺部にアンテナコイル２１が配置されているので、外部機器であるリーダライダに時計ガラス２を近づけることにより、通信距離を短くすることができ、これによってもアンテナコイル２１の受信感度を高めることができる。   In this case, it is only necessary to provide the soft magnetic material 36 on the lower surface of the liquid crystal display panel 35. Therefore, the structure is simple, and the manufacturing and assembling work of the timepiece module 3 can be facilitated similarly to the existing products. The price can also be reduced. Also in this case, since the antenna coil 21 is arranged in the peripheral portion on the lower surface side of the watch glass 2, the communication distance can be shortened by bringing the watch glass 2 close to the reader / rider which is an external device. This also increases the reception sensitivity of the antenna coil 21.

なお、軟磁性材として、金属磁性体粉末を樹脂中に分散・配合し、シート化した磁性シートを用いてもよい。
また、上記実施形態１〜５では、電子機器として腕時計に適用した場合について述べたが、これに限らず、携帯電話機やＰＤＡ（パーソナル・デジタル・アシスタント）などの各種の電子機器に広く適用することができる。 As the soft magnetic material, a magnetic sheet obtained by dispersing and blending a metal magnetic powder in a resin to form a sheet may be used.
In the first to fifth embodiments described above, the case where the present invention is applied to a wristwatch as an electronic device has been described. Can do.

この発明を適用した腕時計の拡大断面図である。（実施形態１）It is an expanded sectional view of the wristwatch to which this invention is applied. (Embodiment 1) 図１の腕時計ケースから時計ガラスを取り外した状態の正面図である。It is a front view of the state which removed the timepiece glass from the wristwatch case of FIG. 図１の時計ガラスを示した正面図である。It is the front view which showed the timepiece glass of FIG. 実施形態１の変形例を示した腕時計の拡大断面図である。FIG. 6 is an enlarged cross-sectional view of a wrist watch showing a modification of the first embodiment. この発明を適用した腕時計の拡大断面図である。（実施形態２）It is an expanded sectional view of the wristwatch to which this invention is applied. (Embodiment 2) 図５のバックライトパネルを示し、（ａ）はそのバックライトパネルの正面図、（ｂ）はそのＡ−Ａ矢視における断面図である。The backlight panel of FIG. 5 is shown, (a) is the front view of the backlight panel, (b) is sectional drawing in the AA arrow. この発明を適用した腕時計の保持部材を示し、（ａ）はその保持部材の正面図、（ｂ）はそのＢ−Ｂ矢視における断面図である。（実施形態３）The holding member of the wristwatch to which this invention is applied is shown, (a) is a front view of the holding member, and (b) is a sectional view taken along the line BB. (Embodiment 3) 実施形態３の変形例を示した保持部材の断面図である。It is sectional drawing of the holding member which showed the modification of Embodiment 3. この発明を適用した腕時計の回路基板を示し、（ａ）はその回路基板の正面図、（ｂ）はそのＣ−Ｃ矢視における断面図である。（実施形態４）The circuit board of the wristwatch which applied this invention is shown, (a) is the front view of the circuit board, (b) is sectional drawing in the CC arrow. (Embodiment 4) この発明を適用した腕時計の液晶表示パネルを示し、（ａ）はその液晶表示パネルの正面図、（ｂ）はそのＤ−Ｄ矢視における断面図である。（実施形態５）1 shows a liquid crystal display panel of a wristwatch to which the present invention is applied, in which (a) is a front view of the liquid crystal display panel, and (b) is a cross-sectional view taken along line DD. (Embodiment 5)

符号の説明Explanation of symbols

１ 腕時計ケース
２ 時計ガラス
３ 時計モジュール
４ 無線モジュール
９、３５ 液晶表示パネル
１０ バックライトパネル
１１ 保持部材
１２ 回路基板
１４ インターコネクタ
１５ 接続部材
１８ 見切り部
２０ フィルム基板
２１ アンテナコイル
２２ ＩＣチップ
２３、３０、３１、３２、３６ 軟磁性材 DESCRIPTION OF SYMBOLS 1 Watch case 2 Watch glass 3 Watch module 4 Wireless module 9, 35 Liquid crystal display panel 10 Backlight panel 11 Holding member 12 Circuit board 14 Interconnector 15 Connection member 18 Parting part 20 Film board 21 Antenna coil 22 IC chip 23, 30, 31, 32, 36 Soft magnetic material

Claims (6)

保護ガラスと、
この保護ガラスの下側周辺部に配置されたアンテナコイルと、
このアンテナコイルの下側に配置された表示装置と、
前記アンテナコイルと前記表示装置との間に設けられた軟磁性材と
を備えたことを特徴とする電子機器。 Protective glass,
An antenna coil disposed on the lower periphery of the protective glass;
A display device disposed below the antenna coil;
An electronic apparatus comprising: a soft magnetic material provided between the antenna coil and the display device. 保護ガラスと、
この保護ガラスの下側に配置されたアンテナコイルと、
このアンテナコイルの下側に配置された回路基板と、
前記アンテナコイルと前記回路基板との間に設けられた軟磁性材と
を備えたことを特徴とする電子機器。 Protective glass,
An antenna coil disposed under the protective glass;
A circuit board disposed under the antenna coil;
An electronic apparatus comprising: a soft magnetic material provided between the antenna coil and the circuit board. 前記アンテナコイルと前記回路基板との間に表示装置が配置され、この表示装置の下面に前記軟磁性材が設けられていることを特徴とする請求項２に記載の電子機器。   The electronic apparatus according to claim 2, wherein a display device is disposed between the antenna coil and the circuit board, and the soft magnetic material is provided on a lower surface of the display device. 前記アンテナコイルと前記回路基板との間に表示装置が配置され、この表示装置の下面にバックライト装置が配置され、このバックライト装置の下面に前記軟磁性材が設けられていることを特徴とする請求項２に記載の電子機器。   A display device is disposed between the antenna coil and the circuit board, a backlight device is disposed on a lower surface of the display device, and the soft magnetic material is provided on a lower surface of the backlight device. The electronic device according to claim 2. 前記アンテナコイルと前記回路基板との間に表示装置が配置され、この表示装置と前記回路基板との間にその両者を電気的に接続する接続部材を保持するための保持部材が配置され、この保持部材に前記軟磁性材が設けられていることを特徴とする請求項２に記載の電子機器。   A display device is disposed between the antenna coil and the circuit board, and a holding member is disposed between the display device and the circuit board to hold a connection member that electrically connects the two. The electronic apparatus according to claim 2, wherein the soft magnetic material is provided on a holding member. 前記回路基板の上面に前記軟磁性材が設けられていることを特徴とする請求項２に記載の電子機器。
The electronic apparatus according to claim 2, wherein the soft magnetic material is provided on an upper surface of the circuit board.
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WO2014155424A1 (en) * 2013-03-29 2014-10-02 パナソニック株式会社 Communication apparatus
JP2018116674A (en) * 2017-01-19 2018-07-26 巨擘科技股▲ふん▼有限公司 Communication device and method for manufacturing the same

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