JPS5897592U

JPS5897592U - Electronic watch with alarm

Info

Publication number: JPS5897592U
Application number: JP19805581U
Authority: JP
Inventors: 興石　修
Original assignee: セイコーエプソン株式会社
Priority date: 1981-12-24
Filing date: 1981-12-24
Publication date: 1983-07-02

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

、　　　。＝↓カニ；ニニ２フニｔＪ雷＝＝：了゛；暦
□　　　図：プッシュプル駆動回路、第４図：圧電ブザ
ーと接点バネ部の拡大図、第５５図：プッシュプル駆□
　　　動において、電流の流れる様子を示した図（５−
□　　−■は図中Ｃ点がＨの場合、６−ＩＩはＣ点りの
場、　　　合）、第６図：プッシュプル駆動した場合に
おける圧電ブザー３点側の電圧波形（６−■、゛電源■
側をグランド）、ｂ点側の電圧波形（６−ｎ、電源■側
をグランド）、圧電ブザー両端（ａ、　ｌ）間）の電圧
波形（６−ＩＩＩ）、第７図：′来者案の一実施例、第
７−Ｉ図：絶縁リング部分の拡大図、第８図１本考案の
他の実施例。ここに、１・・・・・・裏シタ、２・・・・・・圧電素
子、３・・・・・・圧電素子ムーブメント側電極との接
点バネ、４・・・・・・圧電素子裏ブタ側電極との接点
バネ、５・・・・・・パツキン、６・・・・・・外装ケ
ース胴、７・・・・・・カバーガラス、８・・・・・仏
−ブメント、９・・・・・・昇圧用コイル、１０・・・
・・・圧電ブザー、１１・・・・・・ＮＰＮ　）ランジ
スタ、１２・・・・・・Ｐチャンネル、１３・・・・・
・Ｐチャンネル、１４・・・・・・Ｎチャンヌル、１５
・・・・・・Ｎチャンネル、１６・・・・・・プッシュ
プル駆動回路内を流れる電流、１７・・・・・・外装ケ
ース胴をアースする接点バネ、１８・・・・・・絶縁リ
ングニ１　　２　４−　３　５第　ｆｅＵ, . =↓ Crab; Nini 2 Funi tJ Thunder ==: Finished゛; Calendar □ Figure: Push-pull drive circuit, Figure 4: Enlarged view of piezoelectric buzzer and contact spring part, Figure 55: Push-pull drive □
A diagram showing how the current flows during motion (5-
□ -■ is when point C in the figure is H, 6-II is when point C is in the figure), Figure 6: Voltage waveform on the 3-point side of the piezoelectric buzzer when push-pull driving (6-■, ゛Power supply■
(Ground side), voltage waveform on point b side (6-n, ground side on power supply ■ side), voltage waveform (between both ends of the piezoelectric buzzer (a, l)) (6-III), Figure 7: 'Visitor's proposal One embodiment of the invention, Fig. 7-I: Enlarged view of the insulating ring portion, Fig. 8 1 Another embodiment of the present invention. Here, 1... Back side, 2... Piezoelectric element, 3... Contact spring with piezoelectric element movement side electrode, 4... Back side of piezoelectric element. Contact spring with pig side electrode, 5...Packing, 6...Exterior case body, 7...Cover glass, 8...Full-button, 9. ...boosting coil, 10...
...Piezoelectric buzzer, 11...NPN) transistor, 12...P channel, 13...
・P channel, 14...N channel null, 15
...... N channel, 16... Current flowing in the push-pull drive circuit, 17... Contact spring that grounds the outer case body, 18... Insulating ring Ni 1 2 4- 3 5th feU

Claims

[Scope of utility model registration request]

(1) In a piezoelectric buzzer configured by pasting a piezoelectric element on a metal back cover and setting a front metal back cover on a metal body,
An electronic wristwatch with an alarm, characterized in that the metal case back and the metal case are set via a plastic ring to ensure insulation and waterproof properties between the metal case and the metal case back. <21' The electronic wristwatch with an alarm according to claims 1 and 2 of the utility model registration claim, characterized in that the KA movement determining method is push-pull driven.