Invention Grant
US08368006B2 Driving a laser scanning section using a basic period of a pulse signal based on a period of a resonance frequency and accumulated period errors to produce a correction period quantity
失效
使用基于谐振频率的周期的脉冲信号的基本周期和累积的周期误差来驱动激光扫描部分，以产生校正周期数量
- Patent Title: Driving a laser scanning section using a basic period of a pulse signal based on a period of a resonance frequency and accumulated period errors to produce a correction period quantity
- Patent Title (中): 使用基于谐振频率的周期的脉冲信号的基本周期和累积的周期误差来驱动激光扫描部分，以产生校正周期数量
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Application No.: US12782796Application Date: 2010-05-19
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Publication No.: US08368006B2Publication Date: 2013-02-05
- Inventor: Atsuhiko Chikaoka , Atsuya Hirano , Ken Nishioka , Hiroshi Nishigaki
- Applicant: Atsuhiko Chikaoka , Atsuya Hirano , Ken Nishioka , Hiroshi Nishigaki
- Applicant Address: JP Daito-shi
- Assignee: Funai Electric Co., Ltd.
- Current Assignee: Funai Electric Co., Ltd.
- Current Assignee Address: JP Daito-shi
- Agency: Crowell & Moring LLP
- Priority: JP2009-121534 20090520
- Main IPC: H01J3/14
- IPC: H01J3/14 ; G02B26/10
Abstract:
A laser projector can generate a pulse signal capable of being generated according to the resolution of the clock signal, the pulse signal having a basic period and a basic pulse width each infinitely approximated to the characteristics of the resonance frequency. Moreover, because the laser projector can generate a pulse signal capable of correcting the errors led to be included in the approximated pulse signal, the laser projector can drive the scanning section with a horizontal vibration width corresponding to the resonance frequency, and can suitably display a projected image on a projection plane.
Public/Granted literature
- US20110069363A1 Laser Projector Public/Granted day:2011-03-24
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