Invention Grant
- Patent Title: Power supply circuit for digital camera
- Patent Title (中): 数码相机电源电路
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Application No.: US10930802Application Date: 2004-09-01
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Publication No.: US07649565B2Publication Date: 2010-01-19
- Inventor: Kazumasa Aoki
- Applicant: Kazumasa Aoki
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2003-317019 20030909
- Main IPC: H04N5/225
- IPC: H04N5/225 ; H04N5/222 ; G03B7/26
Abstract:
A power supply circuit for a digital camera, including a DC power supply device for supplying direct current power; an image inputting device driven by the DC power supply device; a light emitting diode device driven by the DC power supply device and which auxiliary illuminates a subject to be imaged by the image inputting device; and a backup device connected to an output side of the DC power supply device and adapted for preliminarily charging the direct current power.
Public/Granted literature
- US20050094029A1 Power supply circuit for digital camera Public/Granted day:2005-05-05
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