CH635222B - Piece d'horlogerie electronique, notamment montre-bracelet electronique, munie d'un dispositif d'alarme. - Google Patents

Piece d'horlogerie electronique, notamment montre-bracelet electronique, munie d'un dispositif d'alarme.

Info

Publication number
CH635222B
CH635222B CH1187378A CH1187378A CH635222B CH 635222 B CH635222 B CH 635222B CH 1187378 A CH1187378 A CH 1187378A CH 1187378 A CH1187378 A CH 1187378A CH 635222 B CH635222 B CH 635222B
Authority
CH
Switzerland
Prior art keywords
watch
electronic
alarm
resonant frequencies
alarm device
Prior art date
Application number
CH1187378A
Other languages
English (en)
Other versions
CH635222GA3 (fr
Inventor
Ichiro Hattori
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 of CH635222B publication Critical patent/CH635222B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH635222GA3 publication Critical patent/CH635222GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • 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
    • G04G13/028—Producing acoustic time signals at preselected times, e.g. alarm clocks combined with a radio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Telephone Function (AREA)
CH1187378A 1977-11-18 1978-11-20 Piece d'horlogerie electronique, notamment montre-bracelet electronique, munie d'un dispositif d'alarme. CH635222B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13872977A JPS5471666A (en) 1977-11-18 1977-11-18 Electronic watch

Publications (2)

Publication Number Publication Date
CH635222B true CH635222B (fr)
CH635222GA3 CH635222GA3 (fr) 1983-03-31

Family

ID=15228784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1187378A CH635222B (fr) 1977-11-18 1978-11-20 Piece d'horlogerie electronique, notamment montre-bracelet electronique, munie d'un dispositif d'alarme.

Country Status (4)

Country Link
US (1) US4216647A (fr)
JP (1) JPS5471666A (fr)
CH (1) CH635222B (fr)
GB (1) GB2008814B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55116291A (en) * 1979-02-28 1980-09-06 Seiko Epson Corp Electronic wrist watch with alarm
US4316273A (en) * 1980-03-17 1982-02-16 Jetter Milton W Remote-controlled alarm clock
GB2127245A (en) * 1982-11-25 1984-04-04 Mark Ford Newman Apparatus for broadcasting and/ or recording a weather forecast
CN108777139A (zh) * 2018-04-08 2018-11-09 杭州电子科技大学 一种声音定向传播的闹钟

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580447A (en) * 1947-03-21 1952-01-01 Samuel G Lutz Time recording system
US4063410A (en) * 1976-03-01 1977-12-20 Welling Gregory J Digital watch including a signal transmitter
US4144706A (en) * 1977-01-21 1979-03-20 Timex Corporation Alarm watch with remote sonic generator
US4093944A (en) * 1977-02-16 1978-06-06 Muncheryan Hrand M Silent awakening system with means adapted to induce sleep

Also Published As

Publication number Publication date
GB2008814A (en) 1979-06-06
JPS5760594B2 (fr) 1982-12-20
GB2008814B (en) 1982-05-26
CH635222GA3 (fr) 1983-03-31
JPS5471666A (en) 1979-06-08
US4216647A (en) 1980-08-12

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