发明授权
- 专利标题: Surface and subsurface detection sensor
- 专利标题(中): 表面和地下检测传感器
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申请号: US11437776申请日: 2006-05-18
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公开(公告)号: US07397596B2公开(公告)日: 2008-07-08
- 发明人: Araz Yacoubian
- 申请人: Araz Yacoubian
- 申请人地址: US CA Encinitas
- 专利权人: Ler Technologies, Inc.
- 当前专利权人: Ler Technologies, Inc.
- 当前专利权人地址: US CA Encinitas
- 代理机构: Koestner Bertani LLP
- 代理商 Ken J. Koestner
- 主分类号: G02B26/00
- IPC分类号: G02B26/00
摘要:
A sensor comprises an optical modulator that generates a modulation signal, an interferometer that mixes an acoustic signal evoked by a pulsed laser with the modulation signal to down-convert the acoustic signal to lower frequencies, and a photodetector that detects the down-converted signal.
公开/授权文献
- US20060215175A1 Surface and subsurface detection sensor 公开/授权日:2006-09-28
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