Cathode-ray tube socket substrate

Details Cathode-ray tube socket substrate Cathode-ray tube socket substrate

1980-09-17

1983-08-30

Tolin, G. P.

Electricity: electrical systems and devices

Miscellaneous

315 3, 338219, 361380, H05K 702

Patent

active

044020376

ABSTRACT:
A cathode-ray tube socket substrate, which is to be used by being attached to a cathode-ray tube in a color cathode-ray tube display unit such as a color television receiver and the like, is disclosed. The tube socket substrate comprises at least a cathode-ray tube socket, associated color output circuitry around the cathode-ray tube, and a high-voltage variable resistor, all three elements being mounted on an insulating substrate, on which is provided a film resistor forming a resistance part of the high-voltage variable resistor, and a plurality of corresponding terminal electrodes. Connected to these terminal electrodes are pin terminals for the focusing electrode of the cathode-ray tube socket, and a terminal part onto which is connected an output terminal of a rectifier circuit. Further, the high-voltage variable resistor for taking-out the focus voltage is incorporated compactly into the socket substrate, which enables the whole apparatus to be made small-sized and that without fear of causing inductive or other interference.

REFERENCES:
patent: 2877438 (1959-03-01), Gluffrida
patent: 2885603 (1959-05-01), Rose
patent: 2910627 (1959-10-01), Matteson
patent: 3305702 (1967-02-01), Manetti
patent: 3728587 (1973-04-01), Offerman

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