Optical systems for multi-sensor endoscopes

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United States of America Patent

PATENT NO 12204087
APP PUB NO 20230161147A1
SERIAL NO

18072872

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided herein an optical system for a tip section of a multi-sensor endoscope, the system comprising: a front-pointing camera sensor; a front objective lens system; a side-pointing camera sensor; and a side objective lens system, wherein at least one of said front and side objective lens systems comprises a front and a rear sub-systems separated by a stop diaphragm, said front sub-system comprises, in order from the object side, a first front negative lens and a second front positive lens, said rear sub-system comprises, in order from the object side, a first rear positive lens, an achromatic sub-assembly comprising a second rear positive lens and a third rear negative lens, wherein the following condition is satisfied: f(first rear positive lens)≤1.8f, where f is the composite focal length of the total lens system and f(first rear positive lens) is the focal length of said first rear positive lens.

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Patent Owner(s)

Patent OwnerAddress
ENDOCHOICE INC11810 WILLS ROAD ALPHARETTA GA 30009

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kirma, Yaniv Karcur, IL 51 1956
Levi, Moshe Ganey Tikva, IL 58 2954
Levin, Victor Haifa, IL 51 1576

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