Invention Grant
- Patent Title: Optical scanning apparatus, image forming apparatus and control method
- Patent Title (中): 光学扫描装置，成像装置及控制方法
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Application No.: US12119478Application Date: 2008-05-12
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Publication No.: US08054325B2Publication Date: 2011-11-08
- Inventor: Tomohiro Kawamoto
- Applicant: Tomohiro Kawamoto
- Applicant Address: JP
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JP2007-128544 20070514
- Main IPC: B41J2/435
- IPC: B41J2/435 ; B41J2/47
Abstract:
An optical scanning apparatus capable of being applied to an image forming apparatus includes a light source which emits a light beam; a modulator which pulse-width modulates drive current supplied to the light source; and a current adding unit which adds a supplemental current to the pulse-width modulated drive current at the rising edge of a pulse thereof.
Public/Granted literature
- US20080285604A1 OPTICAL SCANNING APPARATUS, IMAGE FORMING APPARATUS AND CONTROL METHOD Public/Granted day:2008-11-20
Information query
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