Rotation control apparatus for constant linear velocity system i

Details Rotation control apparatus for constant linear velocity system i Rotation control apparatus for constant linear velocity system i

1986-11-10

1988-07-12

Faber, Alan

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

360 73, 369111, 369240, G11B 1924

Patent

active

047574887

ABSTRACT:
A rotation control apparatus for a CLV system disc sets an initial value based on an address signal reproduced from the CLV system disc and carries out a rotation control by use of the initial value, so that it is possible to carry out the rotation control even with respect to a CLV system disc on which an information signal is only recorded up to an intermediate position within a program region of the disc. An information signal is newly recordable in conformance with the CLV system from a position in a vicinity of the intermediate position where the previous recording had been discontinued.

REFERENCES:
patent: 4338683 (1982-07-01), Furukawa
patent: 4603412 (1986-07-01), Yamayaki

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