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JPS533864A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS533864A
JPS533864A JP7760476A JP7760476A JPS533864A JP S533864 A JPS533864 A JP S533864A JP 7760476 A JP7760476 A JP 7760476A JP 7760476 A JP7760476 A JP 7760476A JP S533864 A JPS533864 A JP S533864A
Authority
JP
Japan
Prior art keywords
electronic watch
watch
circuit
fluctuations
superior
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
JP7760476A
Other languages
Japanese (ja)
Inventor
Kazuhiro Asano
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 JP7760476A priority Critical patent/JPS533864A/en
Publication of JPS533864A publication Critical patent/JPS533864A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G04G19/06—Regulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To provide a superior watch with an uniform number of oscillation frequency and free from any effects on fluctuations of power source battery voltage due to temperature, etc., by operating the oscillation circuit with a constant-voltage circuit.
JP7760476A 1976-06-30 1976-06-30 Electronic watch Pending JPS533864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7760476A JPS533864A (en) 1976-06-30 1976-06-30 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7760476A JPS533864A (en) 1976-06-30 1976-06-30 Electronic watch

Publications (1)

Publication Number Publication Date
JPS533864A true JPS533864A (en) 1978-01-13

Family

ID=13638526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7760476A Pending JPS533864A (en) 1976-06-30 1976-06-30 Electronic watch

Country Status (1)

Country Link
JP (1) JPS533864A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515056A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch
JPS5597696A (en) * 1979-01-22 1980-07-25 Hitachi Ltd Device for measuring physical amount of rotor
JPS564884U (en) * 1979-06-22 1981-01-17
JPS5679984A (en) * 1979-12-05 1981-06-30 Casio Comput Co Ltd Power supply system of electronic watch
JPS5818185A (en) * 1981-07-24 1983-02-02 Seiko Epson Corp electronic clock
JPS5828685A (en) * 1981-08-13 1983-02-19 Seiko Epson Corp electronic clock
WO1995023358A1 (en) * 1994-02-25 1995-08-31 Citizen Watch Co., Ltd. Portable device with sensor function

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515056A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch
JPS5597696A (en) * 1979-01-22 1980-07-25 Hitachi Ltd Device for measuring physical amount of rotor
JPS564884U (en) * 1979-06-22 1981-01-17
JPS5679984A (en) * 1979-12-05 1981-06-30 Casio Comput Co Ltd Power supply system of electronic watch
JPS5818185A (en) * 1981-07-24 1983-02-02 Seiko Epson Corp electronic clock
JPS6241351B2 (en) * 1981-07-24 1987-09-02 Seikoo Epuson Kk
JPS5828685A (en) * 1981-08-13 1983-02-19 Seiko Epson Corp electronic clock
JPS6314914B2 (en) * 1981-08-13 1988-04-02 Seiko Epson Corp
WO1995023358A1 (en) * 1994-02-25 1995-08-31 Citizen Watch Co., Ltd. Portable device with sensor function
US6466521B1 (en) 1994-02-25 2002-10-15 Citizen Watch Co., Ltd. Sensor function-equipped portable device

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