Title:
SETTING METHOD OF INTENSITY MODULATION CIRCUIT OF WATCHES
Document Type and Number:
Japanese Patent JPS52150667
Kind Code:
A
Abstract:
PURPOSE: To perform characteristic setting of intensity modulation and simplify constitution by varying a resistance in a system of connecting a photo transistor at both ends of the resistance.
Inventors:
YOSHINO HIROSHI
IZUMIDA KAZUO
IZUMIDA KAZUO
Application Number:
JP6909376A
Publication Date:
December 14, 1977
Filing Date:
June 09, 1976
Export Citation:
Assignee:
SANYO ELECTRIC CO
TOKYO SANYO ELECTRIC CO
TOKYO SANYO ELECTRIC CO
International Classes:
G01D7/00; G04G9/00; G09F9/33; G09G3/04; (IPC1-7): G01D7/00; G04C3/00; G04C17/00; G09F9/00