JPH038790U - - Google Patents
Info
- Publication number
- JPH038790U JPH038790U JP6899189U JP6899189U JPH038790U JP H038790 U JPH038790 U JP H038790U JP 6899189 U JP6899189 U JP 6899189U JP 6899189 U JP6899189 U JP 6899189U JP H038790 U JPH038790 U JP H038790U
- Authority
- JP
- Japan
- Prior art keywords
- back cover
- circuit board
- coil spring
- wristwatch
- wristwatch case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electromechanical Clocks (AREA)
Description
第１図から第４図はこの考案の一実施例を説明
するためのもので、このうち第１図は電子腕時計
の内部構造を示す断面図、第２図は時計ケースに
裏蓋を取り付けた状態を示す要部の断面図、第３
図は時計ケースから裏蓋を取り外した状態を示す
要部の断面図、第４図は電気回路の要部を示す図
、第５図から第７図はこの考案の他の実施例を説
明するためのもので、このうち第５図はコイルス
プリング保持部材の底面側を示す図、第６図は時
計ケースに裏蓋を取り付けた状態を示す要部の断
面図、第７図は時計ケースから裏蓋を取り外した
状態を示す要部の断面図である。
１……時計ケース、４……裏蓋、６……圧電素
子、９……回路基板、１８……コイルスプリング
保持部材、２５……第１の導電性コイルスプリン
グ、２６……第２の導電性コイルスプリング。
Figures 1 to 4 are for explaining one embodiment of this invention. Figure 1 is a cross-sectional view showing the internal structure of an electronic wristwatch, and Figure 2 is a cross-sectional view showing the internal structure of an electronic wristwatch, and Figure 2 is a diagram showing a back cover attached to a watch case. Sectional view of main parts showing the condition, 3rd
The figure is a sectional view of the main parts showing the case back removed from the watch case, Figure 4 is a diagram showing the main parts of the electric circuit, and Figures 5 to 7 explain other embodiments of this invention. Figure 5 is a diagram showing the bottom side of the coil spring holding member, Figure 6 is a sectional view of the main part showing the back cover attached to the watch case, and Figure 7 is a view from the watch case. FIG. 3 is a cross-sectional view of the main parts with the back cover removed. DESCRIPTION OF SYMBOLS 1... Watch case, 4... Back cover, 6... Piezoelectric element, 9... Circuit board, 18... Coil spring holding member, 25... First conductive coil spring, 26... Second conductive Sex coil spring.
Claims (1)
の圧電素子と、 前記腕時計ケース内に設けられた回路基板と、 この回路基板の下方における前記腕時計ケース
内に変位可能に設けられ第１及び第２のコイルス
プリング保持部が形成された保持部材と、 この保持部材の前記第１及び第２のコイルスプ
リング保持部材に保持された第１及び第２の導電
性コイルスプリングとを備え、 前記裏蓋が前記腕時計ケースから取り外された
状態では、前記第１のコイルスプリングが前記回
路基板と電気的に接続され、 前記裏蓋が前記腕時計ケースに取り付けられた
状態では、前記保持部材が前記裏蓋によつて押さ
れて変位し、前記第１のコイルスプリングが前記
回路基板から離間し、かつ前記第２のコイルスプ
リングを介して前記回路基板と前記圧電素子とが
電気的に接続されることを特徴とする電子腕時計
の裏蓋部の構造。[Scope of Claim for Utility Model Registration] A wristwatch case, a back cover that is detachable from the wristwatch case, a piezoelectric element for emitting an alarm sound provided on the inner surface of the back cover, and a piezoelectric element provided inside the wristwatch case for emitting an alarm sound. a circuit board disposed below the circuit board; a holding member displaceably disposed within the wristwatch case below the circuit board and having first and second coil spring holding portions formed thereon; first and second conductive coil springs held by a coil spring holding member of the wristwatch, and when the back cover is removed from the wristwatch case, the first coil spring is electrically connected to the circuit board. When the back cover is attached to the watch case, the holding member is pushed and displaced by the back cover, the first coil spring is separated from the circuit board, and the A structure of a back cover of an electronic wristwatch, characterized in that the circuit board and the piezoelectric element are electrically connected via a second coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6899189U JPH038790U (en) | 1989-06-15 | 1989-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6899189U JPH038790U (en) | 1989-06-15 | 1989-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH038790U true JPH038790U (en) | 1991-01-28 |
Family
ID=31603913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6899189U Pending JPH038790U (en) | 1989-06-15 | 1989-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038790U (en) |
-
1989
- 1989-06-15 JP JP6899189U patent/JPH038790U/ja active Pending
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