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PROBLEM TO BE SOLVED: To reduce wasteful power consumption and to prolong a battery life by appropriately controlling lighting time when an illumination device is continuously lighted in accordance with time when the illumination device is lighted. SOLUTION: A time detecting means detects the presen...

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Bibliographic Details
Main Authors GOTO HIROYUKI, NARISHIMA TERUO, HASHIGUCHI KIMINORI
Format Patent
LanguageEnglish
Published 22.01.2004
Edition7
Subjects
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Summary:PROBLEM TO BE SOLVED: To reduce wasteful power consumption and to prolong a battery life by appropriately controlling lighting time when an illumination device is continuously lighted in accordance with time when the illumination device is lighted. SOLUTION: A time detecting means detects the present time. A setting means sets a first time window and a second time window. When the present time is included in the first time window, an illumination control means controls to shorten time when illumination is continuously lighted compared to a case when the present time is included in the second time window. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020173139