Title:
METHOD OF CONTROLLING BRIGHTENESS OF INDICATOR
Document Type and Number:
Japanese Patent JPS51132849
Kind Code:
A
Abstract:
PURPOSE: To reduce the power consumption of the LED of the time-shared indicator of a postable terminal unit by automatically changing the brightnes of the display unit according to the brightness of the surrounding area.
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Inventors:
KOMORI TSUNEROU
SATOU NOBUO
KUROKAWA KENJIYU
SATOU NOBUO
KUROKAWA KENJIYU
Application Number:
JP5602375A
Publication Date:
November 18, 1976
Filing Date:
May 14, 1975
Export Citation:
Assignee:
NIPPON STEEL CORP
KOKUSAI ELECTRIC CO LTD
KOKUSAI ELECTRIC CO LTD
International Classes:
G01D7/00; G09F9/00; (IPC1-7): G01D7/00; G09F9/00