Title:
LIGHT EMISSION CIRCUIT FOR PHOTO ELECTRIC SWITHC
Document Type and Number:
Japanese Patent JPS5425684
Kind Code:
A
Abstract:
PURPOSE: To reduce the average illuminating current and to lower power consumption, by performing pulse illumination for the light emitting element constituting the photo electric switch by means of saw tooth wave having slope for the leading edge.
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Inventors:
FUKUYAMA TOSHIBUMI
Application Number:
JP9153077A
Publication Date:
February 26, 1979
Filing Date:
July 29, 1977
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO
International Classes:
H01L33/00; G08B5/36; H01L31/12; H05B37/00; H05B37/02; (IPC1-7): H01L33/00; H05B37/00
Domestic Patent References:
| JPS4824358A | ||||
| JPS51162683U | 1976-12-24 |