Light source device and light source drive circuit thereof

The invention relates to a light source device and a light source drive circuit thereof. The light source drive circuit comprises an operational amplifier, a transistor and a switching unit. The first input end of the operational amplifier is coupled to a preset voltage. The first end of the transis...

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Bibliographic Details
Main Author ZHANG CONGHAO
Format Patent
LanguageChinese
English
Published 14.07.2010
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PHYSICS
SEALS
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