Document Type and Number:
Japanese Patent JPS6150272
Kind Code:
B2
Abstract:
An electronic wristwatch without mechanically driven hands has an electromagnetic output which is sensed for measuring the timing rate. A modulated signal applied to the coil of an alarm sounding device produces the electromagnetic field for sensing. The display is fully illuminated while timing in order to eliminate stray electric fields.
Inventors:
AYUSAWA HITOMI
Application Number:
JP2391179A
Publication Date:
November 04, 1986
Filing Date:
February 28, 1979
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G04G3/02; G04C21/00; G04D7/12; G04G13/00; G04G13/02