HK15686A - Acoustic alarm device for watches - Google Patents

Acoustic alarm device for watches

Info

Publication number
HK15686A
HK15686A HK156/86A HK15686A HK15686A HK 15686 A HK15686 A HK 15686A HK 156/86 A HK156/86 A HK 156/86A HK 15686 A HK15686 A HK 15686A HK 15686 A HK15686 A HK 15686A
Authority
HK
Hong Kong
Prior art keywords
watches
alarm device
acoustic alarm
acoustic
alarm
Prior art date
Application number
HK156/86A
Other languages
English (en)
Inventor
Satoru Fukutome
Motoyuku Saito
Hideo Hatanaka
Original Assignee
Citizen Watch Co 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
Priority claimed from JP8982279U external-priority patent/JPS569095U/ja
Priority claimed from JP1979089821U external-priority patent/JPS6225746Y2/ja
Priority claimed from JP8982079U external-priority patent/JPS569093U/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of HK15686A publication Critical patent/HK15686A/xx

Links

Classifications

    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/34—Devices on watches or similar portable timepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
HK156/86A 1979-06-30 1986-03-06 Acoustic alarm device for watches HK15686A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8982279U JPS569095U (pt) 1979-06-30 1979-06-30
JP1979089821U JPS6225746Y2 (pt) 1979-06-30 1979-06-30
JP8982079U JPS569093U (pt) 1979-06-30 1979-06-30

Publications (1)

Publication Number Publication Date
HK15686A true HK15686A (en) 1986-03-14

Family

ID=27306242

Family Applications (1)

Application Number Title Priority Date Filing Date
HK156/86A HK15686A (en) 1979-06-30 1986-03-06 Acoustic alarm device for watches

Country Status (4)

Country Link
US (2) US4351041A (pt)
DE (2) DE3024779C2 (pt)
GB (1) GB2056724B (pt)
HK (1) HK15686A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985878A (en) * 1988-09-12 1991-01-15 Casio Computer Co., Ltd. Electronic timepiece with analog time display unit and electrooptic data display unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH495578A (fr) * 1967-03-30 1970-08-31 Petignat Maurice Boîte de montre et procédé pour sa fabrication
CH581860B5 (pt) * 1971-03-30 1976-11-15 Citizen Watch Co Ltd
JPS5233978B1 (pt) * 1971-03-30 1977-08-31
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
JPS5258959A (en) * 1975-11-11 1977-05-14 Citizen Watch Co Ltd Wristwatch with built-in speaker
DE2654148A1 (de) * 1975-12-02 1977-06-16 Seiko Instr & Electronics Uhr mit alarmeinrichtung
JPS5275376A (en) * 1975-12-19 1977-06-24 Seiko Instr & Electronics Ltd Alarm wristwatch
JPS52151065U (pt) * 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
GB2056724A (en) 1981-03-18
US4351041A (en) 1982-09-21
DE3024779C2 (de) 1984-02-02
GB2056724B (en) 1983-07-06
US4493560A (en) 1985-01-15
DE3050877C2 (de) 1987-01-22
DE3024779A1 (de) 1981-01-22

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