Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1978-11-14
1981-01-20
Murray, Richard
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358150, H04N 502
Patent
active
042466091
ABSTRACT:
A switchable synchronizing-signal generator suitable for several television standards, information being supplied from a series arrangement of a clock pulse generator and frequency dividers to a synchronizing signal generator. The generator has a position for the N-standard which is a modified position for the M-standard, because the supply of pulses of double the line frequency to a divide-by-525 dividers is blocked during 50 line periods of each field period.
REFERENCES:
patent: 3676585 (1972-07-01), Kaneko et al.
Briody T. A.
Murray Richard
Streeter W. J.
U.S. Philips Corporation
Wright L. A.
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