Method and apparatus for aligning traps in a television receiver

Details Method and apparatus for aligning traps in a television receiver Method and apparatus for aligning traps in a television receiver

1983-07-11

1985-12-31

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 10, H04N 702

Patent

active

045624690

ABSTRACT:
A video carrier, which is amplitude modulated with a fixed video pattern signal, and sync and blanking signals, is combined with an amplitude modulated I.F. trap frequency signal and supplied to the input of the I.F. stages of a television receiver to cause the video pattern to be displayed on the screen of the receiver, which pattern will exhibit interference until the I.F. trap corresponding to the applied I.F. frequency is set precisely at the applied I.F. frequency.

REFERENCES:
patent: 3984862 (1976-10-01), Volz

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