Apparatus for reading an optical record carrier

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United States of America Patent

PATENT NO 4460990
SERIAL NO

06339934

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus is described for reading an optical information structure arranged in tracks. By the use of a substantially rotationally symmetrical element having an annular radiation-attenuating peripheral portion cross-talk between the tracks as a result of obliquity of the information structure is substantially reduced.

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Patent Owner(s)

Patent OwnerAddress
GA TECHNOLOGIES INC A CA CORP10955 JOHN JAY HOPKINS DR P O BOX 81608 SAN DIEGO CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Opheij, Willem G Eindhoven, NL 30 632

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