Convergence device for color television receiver

Details Convergence device for color television receiver Convergence device for color television receiver

1977-05-23

1979-02-13

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Plural ray-type tube

315368, 358180, H01J 2951

Patent

active

041397991

ABSTRACT:
Disclosed are a convergence device consisting of a circuit for generating a signal in synchronism with the horizontal sync signal and a circuit for generating a sinusoidal waveform current in response to the output signal from the signal generating circuit so that part of the sinusoidal waveform current may be used as a convergence correction or adjustment current, and a color television receiver incorporating the convergence device of the type described and capable of enlarging part of a picture.

REFERENCES:
patent: 2679614 (1954-05-01), Friend
patent: 2836761 (1958-05-01), Howitt et al.
patent: 2880364 (1959-03-01), Kolesnik et al.
patent: 2903622 (1959-09-01), Schopp
patent: 3419748 (1968-12-01), Neal et al.
patent: 3821591 (1974-06-01), Lister
patent: 3943279 (1976-03-01), Austefjord
patent: 3953666 (1976-04-01), Justice et al.
"Multivision, A Multi-Purpose Television System" by Takuji Abe et al., Broadcasting, S0249,0030.

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