Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1986-01-31
1987-08-25
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
455192, H04N 550
Patent
active
046896856
ABSTRACT:
In a tuning control system for a television receiver, an analog AFT signal is sampled during blanking intervals when the amplitude of the video carrier is relative constant and therefore cannot affect the amplitude of the AFT signal significantly. This reduces the AFT filtering requirements.
REFERENCES:
patent: 4302778 (1981-11-01), Tanaka
patent: 4387400 (1983-06-01), Borg
patent: 4405947 (1983-09-01), Tults et al.
patent: 4429415 (1984-01-01), Chin
patent: 4439787 (1984-03-01), Mogi
Testin William J.
Tults Juri
Chin Tommy P.
Emanuel Peter M.
Rasmussen Paul J.
RCA Corporation
Whitacre Eugene M.
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