Time-axis correcting circuit for recorded data reproducing devic

Details Time-axis correcting circuit for recorded data reproducing devic Time-axis correcting circuit for recorded data reproducing devic

1984-04-24

1986-12-23

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358322, 358326, 358337, H04N 9493, H04N 5781

Patent

active

046316000

ABSTRACT:
A time-axis correcting circuit for a recorded data reproducing device such as a video disc player in which, even when a dominant time-axis error component is not a single-frequency component, suppression thereof is sufficiently achieved with a relatively simple circuit configuration. The time-axis correcting circuit includes first and second time-axis correcting circuits, each of which has a flywheel oscillator servo loop. The oscillation frequency of the first flywheel oscillator servo loop is set close to the lowest frequency of the dominant time-axis error component to be suppressed while that of the second time-axis correcting circuit is set close to the highest frequency of the dominant time-axis error component to be suppressed.

REFERENCES:
patent: 4123773 (1978-10-01), Rotter et al.
patent: 4313129 (1982-01-01), Fukui

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