Deflection synchronizing apparatus

Details Deflection synchronizing apparatus Deflection synchronizing apparatus

1987-06-30

1988-09-06

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358148, 358159, H04N 504

Patent

active

047697059

ABSTRACT:
A phase-lock-loop circuit of a television deflection apparatus generates a first signal at the horizontal frequency and a second signal at 32 times the horizontal frequency that are both synchronized to a horizontal sync signal. A frequency divider that is outside the phase-lock-loop circuit generates from the second signal a third signal at the horizontal frequency. The frequency divider is synchronized by the first signal to cause the third signal to be in a constant phase relationship relative to that of the first signal. The third signal is used by a phase-control-loop to control the phase of the deflection current.

REFERENCES:
patent: 4198659 (1980-04-01), Iijima et al.
patent: 4317133 (1982-02-01), Fernsler et al.
patent: 4327376 (1982-04-01), Balaban et al.
patent: 4351001 (1982-09-01), McGinn et al.
patent: 4396948 (1983-08-01), Fernsler et al.
patent: 4647970 (1987-03-01), Sumiyoshi
A technical data publication for a Bipolar Linear Integrated Circuit (IC) Silicon Monolithic TA7777P that is made by Toshiba Corp. Japan.
U.S. patent application Ser. No. 068,084, entitled A Television Fault Protection Apparatus, in the names of James Harrison Doty, et al., that was filed 6/30/87.

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