HK15177A - Watch with piezo-electric buzzer - Google Patents

Watch with piezo-electric buzzer

Info

Publication number
HK15177A
HK15177A HK151/77A HK15177A HK15177A HK 15177 A HK15177 A HK 15177A HK 151/77 A HK151/77 A HK 151/77A HK 15177 A HK15177 A HK 15177A HK 15177 A HK15177 A HK 15177A
Authority
HK
Hong Kong
Prior art keywords
piezo
watch
electric buzzer
buzzer
electric
Prior art date
Application number
HK151/77A
Original Assignee
Seiko Instr & Electronics
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 JP10188771A external-priority patent/JPS5311871B2/ja
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of HK15177A publication Critical patent/HK15177A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
HK151/77A 1971-12-09 1977-03-31 Watch with piezo-electric buzzer HK15177A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11611271 1971-12-09
JP10188771A JPS5311871B2 (en) 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
HK15177A true HK15177A (en) 1977-04-07

Family

ID=26442659

Family Applications (1)

Application Number Title Priority Date Filing Date
HK151/77A HK15177A (en) 1971-12-09 1977-03-31 Watch with piezo-electric buzzer

Country Status (4)

Country Link
US (1) US3788060A (en)
CH (2) CH599617B5 (en)
GB (1) GB1378400A (en)
HK (1) HK15177A (en)

Families Citing this family (10)

* 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
US3940919A (en) * 1973-10-03 1976-03-02 Citizen Watch Co., Ltd. Electronic wristwatch with electronic sound emitter device
DE7502725U (en) * 1975-01-30 1976-05-06 Gebrueder Junghans Gmbh, 7230 Schramberg WATERPROOF WATCH WITH A PIEZOELECTRIC BUZZER
DE7502680U (en) * 1975-01-30 1976-05-13 Gebrueder Junghans Gmbh, 7230 Schramberg PIEZOELECTRIC BUMPER IN A WATCH
US4068461A (en) * 1976-04-15 1978-01-17 Frontier Inc. Digital electronic alarm watch
US4321699A (en) * 1976-09-17 1982-03-23 Ricoh Watch Company, Limited Wrist watch with alarm
GB2071883B (en) * 1980-03-13 1983-09-01 Suwa Seikosha Kk Watch having a piezo-electric buzzer
FR2484102A1 (en) * 1980-06-04 1981-12-11 Suisse Horlogerie ELECTRONIC WATCH PIECE HAVING AN ELECTRO-ACOUSTIC TRANSDUCER
JPS62116000A (en) * 1985-11-14 1987-05-27 Seikosha Co Ltd Alarm timepiece
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1080564A4 (en) * 1964-08-18 1966-05-14
CH896868A4 (en) * 1968-06-17 1972-11-15
CH527457A (en) * 1968-06-17 1972-05-15 Spadini Paolo Waterproof wristwatch
BE789336A (en) * 1971-09-29 1973-01-15 Timex Corp ELECTRONIC ALARM WATCH

Also Published As

Publication number Publication date
CH1793872A4 (en) 1977-07-29
US3788060A (en) 1974-01-29
GB1378400A (en) 1974-12-27
CH599617B5 (en) 1978-05-31

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