G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.2
G11B 7/00 (2006.01) G11B 7/125 (2006.01) H04N 5/76 (2006.01)
Patent
CA 1188800
ABSTRACT: " Apparatus for reading an optically readable information structure on a record carrier". 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 can be reduced substantially.
414417
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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