JPS57190289A - Electronic watch with alarm - Google Patents

Electronic watch with alarm

Info

Publication number
JPS57190289A
JPS57190289A JP7603881A JP7603881A JPS57190289A JP S57190289 A JPS57190289 A JP S57190289A JP 7603881 A JP7603881 A JP 7603881A JP 7603881 A JP7603881 A JP 7603881A JP S57190289 A JPS57190289 A JP S57190289A
Authority
JP
Japan
Prior art keywords
alarm
short time
seconds
intervals
circuit
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
JP7603881A
Other languages
Japanese (ja)
Inventor
Shoichi Yasuda
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.)
RIKOO TOKEI KK
Ricoh Elemex Corp
Original Assignee
RIKOO TOKEI KK
Ricoh Elemex Corp
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 RIKOO TOKEI KK, Ricoh Elemex Corp filed Critical RIKOO TOKEI KK
Priority to JP7603881A priority Critical patent/JPS57190289A/en
Publication of JPS57190289A publication Critical patent/JPS57190289A/en
Pending legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE:To facilitate demonstration of alarm function while enabling checking of alarm sound for a short time by reducing the time interval thereof through a short time counter responsive to external operation. CONSTITUTION:An AND gate 26 is opened through a switch control circuit 8 with the operation of switches 7 and 7' and one-second signals from a voltage division circuit 2 will be counted with a short-time counter 27 so that AND gates 28-30 are separately opened or closed at intervals of two seconds. As a result, alarm driven waveforms from waveform synthesization circuits 18-20 are applied sequentially at intervals of two seconds to an alarm driving circuit 24 thereby assuring easy demonstration of alarm sound for a short time, in stead of normally switching at intervals of six seconds through a time elapsing circuit 21 or the like. The checking of alarm sounds also can be done for a short time.
JP7603881A 1981-05-20 1981-05-20 Electronic watch with alarm Pending JPS57190289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7603881A JPS57190289A (en) 1981-05-20 1981-05-20 Electronic watch with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7603881A JPS57190289A (en) 1981-05-20 1981-05-20 Electronic watch with alarm

Publications (1)

Publication Number Publication Date
JPS57190289A true JPS57190289A (en) 1982-11-22

Family

ID=13593632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7603881A Pending JPS57190289A (en) 1981-05-20 1981-05-20 Electronic watch with alarm

Country Status (1)

Country Link
JP (1) JPS57190289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675066A (en) * 1992-08-27 1994-03-18 Seikosha Co Ltd Timepiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675066A (en) * 1992-08-27 1994-03-18 Seikosha Co Ltd Timepiece

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