G - Physics
11
B
352/21.32
G11B 27/10 (2006.01) G11B 7/09 (2006.01) G11B 21/10 (2006.01) H04N 5/76 (2006.01)
Patent
CA 1169148
PHN 9724 8 ABSTRACT: Device for scanning and following information tracks, for use in conjunction with "VLP" or "Compact Disk", tracking errors being mitigated by deriving an addition control voltage from the envelope of the informa- tion, which counteracts positional deviations of the infor- mation transducer relative to a desired track on the infor- mation carrier to an increased extent.
373912
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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