Television receiver alignment system

Details Television receiver alignment system Television receiver alignment system

1984-04-13

1986-04-22

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 1702, H04N 1704, H04N 920

Patent

active

045845964

ABSTRACT:
In a television receiver, the bias of the G2 screen grid of an image displaying kinescope is adjusted to produce a black level condition for the kinescope. Prior to adjusting the screen grid bias, the normal bias voltage of both the cathode and G1 grid electrodes of the kinescope are modified to produce a predetermined cathode-to-G1 grid voltage.

REFERENCES:
patent: 3670095 (1972-06-01), Arumugham
patent: 4263622 (1981-04-01), Hinn
patent: 4277798 (1981-07-01), Hinn
patent: 4309718 (1982-01-01), Johnson
patent: 4331981 (1982-05-01), Parker
patent: 4331982 (1982-05-01), Parker
patent: 4347528 (1982-08-01), Johnson
Zenith Radio Corporation Technical Training Program Manual No. TP29.

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