Fiber optical monitor for detecting motion based on changes in speckle patterns

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5212379
SERIAL NO

07802868

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A motion monitor using coherent or partially coherent light passing through an optical fiber which is in contact or close to an object whose motion is to be monitored. An optical speckle pattern is formed near the output of the optical fiber which pattern changes as the fiber moves in response to the motion of the object being monitored. An optical detector monitors all or a part of the speckle pattern and electronically processes the optical detector's electrical output signals to derive information on the status of the object being monitored.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Alamed CorporationPORTOLA VALLEY, CA1

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nafarrate, Antonio B San Jose, CA 2 88
Rawson, Eric G Saratoga, CA 23 730

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ITT INDUSTRIES, INC. (1)
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PHOTONETICS (1)
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* Cited By Examiner

Patent Citation Ranking

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