Information signal recording/reproducing apparatus with time bas

Details Information signal recording/reproducing apparatus with time bas Information signal recording/reproducing apparatus with time bas

1992-02-05

1993-07-27

Young, Wayne R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358326, 358330, 360 361, H04N 980

Patent

active

052315070

ABSTRACT:
An information signal recording/reproducing apparatus includes a recording apparatus and a reproducing apparatus. The recording apparatus is arranged to record on a recording medium an information signal after angle-modulating the signal in such a way as to cause a signal corresponding to a timewise portion of the angle-modulated information signal to be in a given relation to a reference signal. The reproducing apparatus is arranged to angle-demodulate the angle-modulated information signal when it is reproduced from the recording medium, and to perform time base correction on the basis of the signal part of the angle-modulated information signal. Time base variations occurring during the reproduction can be accurately carried out by the arrangement without having any special signal added to the information signal during recording.

REFERENCES:
patent: 3350504 (1967-10-01), Takayanagi
patent: 3830968 (1974-08-01), Redlich et al.
patent: 3992719 (1976-11-01), Machida
patent: 4163263 (1979-07-01), Rotter
patent: 4306254 (1981-12-01), Koda et al.
patent: 4481546 (1984-11-01), Ito et al.
patent: 4591930 (1986-05-01), Baumeister
patent: 4746992 (1988-05-01), Hashimoto et al.
patent: 4839615 (1989-06-01), Sato

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