Time base correction apparatus

Details Time base correction apparatus Time base correction apparatus

1982-11-23

1985-10-01

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358322, H04N 576

Patent

active

045449570

ABSTRACT:
A time base correction apparatus is provided for use with a system for reproducing signals recorded on a recording medium. A first drive unit which rotates the recording medium is driven by a first control unit which receives a reference signal and controls the first drive unit to rotate the recording medium in phase synchronization with the reference signal. The high frequency component of the time base variation is corrected by a second drive unit which moves a transducer, which reproduces a signal from the recording medium, from one scanning position to another relative to the recording medium in a reverse direction of the signal track of the recording medium.

REFERENCES:
patent: 3347997 (1967-10-01), Woodruff
patent: 3940556 (1976-02-01), Boltz, Jr.
patent: 3959815 (1976-05-01), Rotter et al.
patent: 4390977 (1983-06-01), Onigata et al.

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