JPS5438169A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5438169A
JPS5438169A JP10467877A JP10467877A JPS5438169A JP S5438169 A JPS5438169 A JP S5438169A JP 10467877 A JP10467877 A JP 10467877A JP 10467877 A JP10467877 A JP 10467877A JP S5438169 A JPS5438169 A JP S5438169A
Authority
JP
Japan
Prior art keywords
electronic watch
magnetic field
pulse width
change
simple structure
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
JP10467877A
Other languages
Japanese (ja)
Inventor
Jun Ueda
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 JP10467877A priority Critical patent/JPS5438169A/en
Publication of JPS5438169A publication Critical patent/JPS5438169A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain magnetism resistant watch in a simple structure by detecting magnetic field with voltage drop quantity of impedance element to change the drive pulse width of step motor.
JP10467877A 1977-08-31 1977-08-31 Electronic watch Pending JPS5438169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10467877A JPS5438169A (en) 1977-08-31 1977-08-31 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10467877A JPS5438169A (en) 1977-08-31 1977-08-31 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5438169A true JPS5438169A (en) 1979-03-22

Family

ID=14387119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10467877A Pending JPS5438169A (en) 1977-08-31 1977-08-31 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5438169A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6258189A (en) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd Dc magnetic field detecting analogue electronic timepiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6258189A (en) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd Dc magnetic field detecting analogue electronic timepiece
JPH0415917B2 (en) * 1985-09-09 1992-03-19 Seiko Instr & Electronics

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