JPS5497459A - Electronic watch with alarm - Google Patents

Electronic watch with alarm

Info

Publication number
JPS5497459A
JPS5497459A JP457578A JP457578A JPS5497459A JP S5497459 A JPS5497459 A JP S5497459A JP 457578 A JP457578 A JP 457578A JP 457578 A JP457578 A JP 457578A JP S5497459 A JPS5497459 A JP S5497459A
Authority
JP
Japan
Prior art keywords
alarm
signal
buzzer
time
volume
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
JP457578A
Other languages
Japanese (ja)
Inventor
Nobuo Ishikawa
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP457578A priority Critical patent/JPS5497459A/en
Publication of JPS5497459A publication Critical patent/JPS5497459A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
    • G04G15/006—Time-pieces comprising means to be operated at preselected times or after preselected time intervals for operating at a number of different times

Landscapes

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

Abstract

PURPOSE:To emit alarm sound at a large volume during daytime and at a small volume during nighttime, by changing the volume of alarm sound corresponding to the counting of the time counter. CONSTITUTION:A counter 2 counts the time, and also outputs a time signal Sc which is necessary for a buzzer control circuit 8 to change the volume of the alarm sound. The alarm time is set by the manipulation of an external operation member 11 by way of an external operation control circuit 12. The buzzer control circuit 8 prepares a volume changeover signal of the alarm sound from the time signal Sc, and a buzzer driving signal Sg changed over by said signal is led into a buzzer driving circuit 9. By changing the duty of the alarm driving signal Sg differently for the daytime and the nighttime, a buzzer 10 is driven at a large volume during daytime and at a smoll volume during nighttime to sound an alarm.
JP457578A 1978-01-19 1978-01-19 Electronic watch with alarm Pending JPS5497459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP457578A JPS5497459A (en) 1978-01-19 1978-01-19 Electronic watch with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP457578A JPS5497459A (en) 1978-01-19 1978-01-19 Electronic watch with alarm

Publications (1)

Publication Number Publication Date
JPS5497459A true JPS5497459A (en) 1979-08-01

Family

ID=11587824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP457578A Pending JPS5497459A (en) 1978-01-19 1978-01-19 Electronic watch with alarm

Country Status (1)

Country Link
JP (1) JPS5497459A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656507GA3 (en) * 1984-01-25 1986-07-15 Digital timing arrangement
JPS61157880U (en) * 1985-03-22 1986-09-30
JPH0225791A (en) * 1988-07-14 1990-01-29 Seiko Epson Corp Electronic watch with alarm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656507GA3 (en) * 1984-01-25 1986-07-15 Digital timing arrangement
JPS61157880U (en) * 1985-03-22 1986-09-30
JPH0225791A (en) * 1988-07-14 1990-01-29 Seiko Epson Corp Electronic watch with alarm

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