System for generating an error signal indicative of differences

Details System for generating an error signal indicative of differences System for generating an error signal indicative of differences

1979-03-15

1981-06-30

Konick, Bernard

Facsimile and static presentation processing

Static presentation processing

Attribute control

360 36, H04N 576, H04N 578

Patent

active

042765595

ABSTRACT:
Furnishing a signal having an amplitude corresponding to the difference between the recording and playback speed of a tape recorded color television signal, the phase of the color burst of two successive lines is compared. When the speed difference includes a known difference such as, for example, for slow motion reproduction, a compensating delay is added to the single line delay of the known apparatus and simultaneously a DC voltage corresponding to the so-added delay is added to the error signal derived from the phase comparator. The additional delay and the additional voltage for the error signal are automatically inserted into the circuit by ganging a switch or potentiometer for the additional delay and for the additional voltage to the speed control for the tape drive.

REFERENCES:
patent: 3461226 (1969-08-01), Carnt
patent: 3474190 (1969-10-01), Bruch
patent: 3679814 (1972-07-01), Barclay
patent: 3681518 (1972-08-01), Hidaka et al.
patent: 4005476 (1977-01-01), Dickopp et al.
patent: 4150395 (1979-04-01), Pritchard

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