Method of operating a signal reproduction apparatus for effectin

Details Method of operating a signal reproduction apparatus for effectin Method of operating a signal reproduction apparatus for effectin

1983-06-30

1985-01-15

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358312, 360 77, H04N 944, H04N 9491, G11B 2110

Patent

active

044941536

ABSTRACT:
A method of operating a signal recording and reproducing apparatus is disclosed whereby generally continuously and noise-free transfers of signal information are obtained while reproducing the information from a magnetic tape being transported at a changing speed. The apparatus is of the type which utilizes transverse positioning of the transducing head to accurately follow a track during reproducing. While the tape is transported at speeds other than the normal record and reproduce speed, transport derived signals are employed to control the tape transport servo. When the normal speed is attained, the reproduced signal is detected to determine whether synchronous reproduction conditions have been achieved. If synchronous reproduction conditions are not achieved, the transducing head is moved to a new track to effect synchronous reproduction of the signal information. After synchronous reproduction of the signal information has been achieved, tape control track derived signals are employed to control the tape transport servo.

REFERENCES:
patent: 3735015 (1973-05-01), Mesak
patent: 3761604 (1973-09-01), Ozawa et al.
patent: 4163993 (1979-08-01), Ravizza
patent: 4215362 (1980-07-01), Ravizza
patent: 4308560 (1981-12-01), Ravizza

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