发明公开
EP0410745A1 Reflective chopper for infrared imaging systems
失效
Reflektierender ZerhackerfürInfrarot-Abbildungssysteme。
- 专利标题： Reflective chopper for infrared imaging systems
- 专利标题（中）： Reflektierender ZerhackerfürInfrarot-Abbildungssysteme。
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申请号： EP90308191.7申请日： 1990-07-26
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公开(公告)号： EP0410745A1公开(公告)日： 1991-01-30
- 发明人: Trotta, Patrick A. , McKenney, Samuel R.
- 申请人： TEXAS INSTRUMENTS INCORPORATED
- 申请人地址： 13500 North Central Expressway Dallas Texas 75265 US
- 专利权人： TEXAS INSTRUMENTS INCORPORATED
- 当前专利权人： TEXAS INSTRUMENTS INCORPORATED
- 当前专利权人地址： 13500 North Central Expressway Dallas Texas 75265 US
- 代理机构： Abbott, David John
- 优先权： US387456 19890728
- 主分类号： H04N5/33
- IPC分类号： H04N5/33 ; G01J5/62
摘要：
A chopper (41), in an infrared imaging system, is used to scatter infrared radiation from a viewed scene (11). This scattered radiation is detected with an infrared detector (14) and used to produce a reference signal, which represents the uniform average radiance of the scene. This reference signal may be subtracted from a signal representing the unscattered radiation emitted by the scene, to produce a signal that represents only radiance differences and that is an optimal signal for amplification.
公开/授权文献
- EP0410745B1 Reflective chopper for infrared imaging systems 公开/授权日：1995-03-22
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