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JPS539173A - Alarm electronic watch - Google Patents

Alarm electronic watch

Info

Publication number
JPS539173A
JPS539173A JP8330776A JP8330776A JPS539173A JP S539173 A JPS539173 A JP S539173A JP 8330776 A JP8330776 A JP 8330776A JP 8330776 A JP8330776 A JP 8330776A JP S539173 A JPS539173 A JP S539173A
Authority
JP
Japan
Prior art keywords
electronic watch
alarm electronic
alarm
sound
produce
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
JP8330776A
Other languages
Japanese (ja)
Inventor
Takuro Fukuichi
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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP8330776A priority Critical patent/JPS539173A/en
Publication of JPS539173A publication Critical patent/JPS539173A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals

Landscapes

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

Abstract

PURPOSE:To produce the final attenuated dong sound of alarm by time serially changing the duty ratio of the pulse signals driving a sound producing means.
JP8330776A 1976-07-13 1976-07-13 Alarm electronic watch Pending JPS539173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8330776A JPS539173A (en) 1976-07-13 1976-07-13 Alarm electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8330776A JPS539173A (en) 1976-07-13 1976-07-13 Alarm electronic watch

Publications (1)

Publication Number Publication Date
JPS539173A true JPS539173A (en) 1978-01-27

Family

ID=13798749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8330776A Pending JPS539173A (en) 1976-07-13 1976-07-13 Alarm electronic watch

Country Status (1)

Country Link
JP (1) JPS539173A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585286A (en) * 1978-11-20 1980-06-27 Junghans Gmbh Geb Electronic alarm clock
JPS55118095A (en) * 1979-03-07 1980-09-10 Casio Computer Co Ltd Melody sound generator
JPS5615168U (en) * 1979-07-10 1981-02-09
JPS5719798A (en) * 1980-07-10 1982-02-02 Seikosha Kk Acoustic signal generating circuit
JPS629196U (en) * 1986-06-11 1987-01-20
CN109332638A (en) * 2018-12-07 2019-02-15 蚌埠隆华压铸机有限公司 A kind of die casting machine convenient for injection

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585286A (en) * 1978-11-20 1980-06-27 Junghans Gmbh Geb Electronic alarm clock
JPS55118095A (en) * 1979-03-07 1980-09-10 Casio Computer Co Ltd Melody sound generator
JPS6251479B2 (en) * 1979-03-07 1987-10-30 Casio Computer Co Ltd
JPS5615168U (en) * 1979-07-10 1981-02-09
JPS5719798A (en) * 1980-07-10 1982-02-02 Seikosha Kk Acoustic signal generating circuit
JPS6321918B2 (en) * 1980-07-10 1988-05-10 Seikosha Kk
JPS629196U (en) * 1986-06-11 1987-01-20
JPH0328397Y2 (en) * 1986-06-11 1991-06-18
CN109332638A (en) * 2018-12-07 2019-02-15 蚌埠隆华压铸机有限公司 A kind of die casting machine convenient for injection

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