Apparatus for recording a count signal in a fixed location regar

Details Apparatus for recording a count signal in a fixed location regar Apparatus for recording a count signal in a fixed location regar

1993-01-12

1994-05-31

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 50, 360 51, 360 143, G11B 509, G11B 2702

Patent

active

053174585

ABSTRACT:
An arrangement for recording an information signal in a track (T.sub.0, T.sub.1, . . . ) on a record carrier (1), includes an input (20) for receiving the information signal, signal processing circuitry (21) for processing the information signal such that it can be recorded in the track, counting device (23) for counting and for generating an array of subsequent different count signals and for supplying the count signals to an output (24), recording apparatus (25, 26, 27) having at least one recording head (26) for recording the processed information signal in a track on the record carrier, and for recording the count signals in a track on the record carrier and a transport apparatus (34,35) for transporting the record carrier with a certain transport velocity (v.sub.t) in a longitudinal direction of the record carrier. The counting device (23) is adapted to supply count signals such that, independent of the value of the transport velocity during recording, a count signal is recorded in a substantially fixed location, viewed in the longitudinal direction of the record carrier, on said record carrier. Further, in the case that the arrangement is capable of recording a first video signal which is based on 25 pictures per second and of recording a second video signal which is based on 30 pictures per second, the following relation exists between the supply rate F.sub.s of the subsequent different count signals by the count signal generator (23), and D, being the difference between subsequent different count signals generated:

REFERENCES:
patent: 4707749 (1987-11-01), Nishijima et al.
patent: 4819087 (1989-04-01), Takeuchi et al.
IEC Standard Publication, No. 461, 1986, pp. 31-54.

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