Apparatus for inscribing and/or reading a record carrier

Details Apparatus for inscribing and/or reading a record carrier Apparatus for inscribing and/or reading a record carrier

G - Physics

11

B

352/32.1

G11B 7/08 (2006.01) G11B 7/09 (2006.01) G11B 7/16 (2006.01) G11B 7/20 (2006.01)

Patent

CA 1194228

ABSTRACT: Apparatus for inscribing and/or reading a record carrier. An apparatus for recording and/or reproducing information on an optically inscribable and readable disc- shaped record carrier with a previously formed track pat- tern containing a first track modulation, in order to ob- tain a clock signal, and a second track modulation formed by a radial wobble, in order to obtain a tracking signal. A reference signal for generating a tracking signal via synchronous detection is derived from the clock signal by frequency synthesis.

403925

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