JPS5661677A - Watch - Google Patents

Watch

Info

Publication number
JPS5661677A
JPS5661677A JP13640379A JP13640379A JPS5661677A JP S5661677 A JPS5661677 A JP S5661677A JP 13640379 A JP13640379 A JP 13640379A JP 13640379 A JP13640379 A JP 13640379A JP S5661677 A JPS5661677 A JP S5661677A
Authority
JP
Japan
Prior art keywords
cell
doughnut
piezoelectric element
vibration plate
hole
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
Application number
JP13640379A
Other languages
English (en)
Japanese (ja)
Inventor
Takahiko Anchi
Masashi Tanaka
Kazuo Kojima
Yutaka Nakajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13640379A priority Critical patent/JPS5661677A/ja
Priority to IN1177/CAL/80A priority patent/IN152709B/en
Priority to GB8033361A priority patent/GB2061572B/en
Priority to CH784680A priority patent/CH648722GA3/de
Priority to DE19803039861 priority patent/DE3039861A1/de
Priority to US06/199,975 priority patent/US4362400A/en
Publication of JPS5661677A publication Critical patent/JPS5661677A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
JP13640379A 1979-10-24 1979-10-24 Watch Pending JPS5661677A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP13640379A JPS5661677A (en) 1979-10-24 1979-10-24 Watch
IN1177/CAL/80A IN152709B (enExample) 1979-10-24 1980-10-15
GB8033361A GB2061572B (en) 1979-10-24 1980-10-16 Alarm timepiece
CH784680A CH648722GA3 (enExample) 1979-10-24 1980-10-21
DE19803039861 DE3039861A1 (de) 1979-10-24 1980-10-22 Uhr
US06/199,975 US4362400A (en) 1979-10-24 1980-10-23 Timepiece with alarm function including annular diaphragm to accommodate battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13640379A JPS5661677A (en) 1979-10-24 1979-10-24 Watch

Publications (1)

Publication Number Publication Date
JPS5661677A true JPS5661677A (en) 1981-05-27

Family

ID=15174343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13640379A Pending JPS5661677A (en) 1979-10-24 1979-10-24 Watch

Country Status (6)

Country Link
US (1) US4362400A (enExample)
JP (1) JPS5661677A (enExample)
CH (1) CH648722GA3 (enExample)
DE (1) DE3039861A1 (enExample)
GB (1) GB2061572B (enExample)
IN (1) IN152709B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62116000A (ja) * 1985-11-14 1987-05-27 Seikosha Co Ltd アラ−ム時計

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879931A (en) * 1972-12-27 1975-04-29 Citizen Watch Co Ltd Electronic watch with an electronically operated sound producer
US3906713A (en) * 1973-08-29 1975-09-23 Citizen Watch Co Ltd Electronic alarm wristwatch
US3940919A (en) * 1973-10-03 1976-03-02 Citizen Watch Co., Ltd. Electronic wristwatch with electronic sound emitter device
JPS52151065U (enExample) * 1976-05-12 1977-11-16
DE2829992A1 (de) * 1977-07-09 1979-01-18 Citizen Watch Co Ltd Uhrgehaeuse fuer eine elektronische armbanduhr
JPS5847437Y2 (ja) * 1977-07-09 1983-10-28 シチズン時計株式会社 アラ−ム付電子時計ケ−ス

Also Published As

Publication number Publication date
GB2061572B (en) 1983-07-06
IN152709B (enExample) 1984-03-17
DE3039861A1 (de) 1981-05-27
GB2061572A (en) 1981-05-13
CH648722GA3 (enExample) 1985-04-15
US4362400A (en) 1982-12-07

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