Invention Application
US20120019918A1 SYSTEM AND METHOD FOR REDUCING VISIBLE SPECKLE IN A PROJECTION VISUAL DISPLAY SYSTEM
有权
在投影视觉显示系统中减少可见光斑的系统和方法
- Patent Title: SYSTEM AND METHOD FOR REDUCING VISIBLE SPECKLE IN A PROJECTION VISUAL DISPLAY SYSTEM
- Patent Title (中): 在投影视觉显示系统中减少可见光斑的系统和方法
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Application No.: US13251904Application Date: 2011-10-03
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Publication No.: US20120019918A1Publication Date: 2012-01-26
- Inventor: James C. Dunphy , Stephen W. Marshall
- Applicant: James C. Dunphy , Stephen W. Marshall
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Main IPC: G02B5/02
- IPC: G02B5/02
Abstract:
The disclosure provides an apparatus for reducing speckle in a projection visual display (PVD) system, a method of reducing visible speckle in a PVD system and a PVD system incorporating the method or apparatus. In one embodiment, the apparatus includes a diffuser interposable in an optical path of a PVD system and a diffuser actuator having a single drive axis configured to cause the diffuser to travel in a Lissajous curve at least partially transverse to the optical path.
Public/Granted literature
- US08444271B2 System and method for reducing visible speckle in a projection visual display system Public/Granted day:2013-05-21
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