Flyback transformer

Details Flyback transformer Flyback transformer

1991-08-13

1992-11-03

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

315382, 361331, 361399, H01J 2970, G09G 104, H05K 500

Patent

active

051608723

ABSTRACT:
A flyback transformer constituted such that a focus pack incorporating a circuit board having a resistor circuit including a variable resistor for focus voltage supply is mounted on a transformer case, comprising an outer case to be mounted on a transformer case, and an inner frame, formed inside the outer case to be integral with the outer case for incorporating the circuit board, wherein an opening path is formed between the outer case and the inner frame, a shaft hole extending through the opening path is provided for the outer case and the inner frame, the shaft hole is defined from the opening path by an insulating cylinder wall, and a rotational operation shaft for the variable resistor is inserted in a cylinder hole of the insulating cylinder wall.

REFERENCES:
patent: 4293903 (1981-10-01), Mochida et al.
patent: 4402037 (1983-08-01), Iwamura et al.
patent: 4499522 (1985-02-01), Nakamura
patent: 4527229 (1985-07-01), Imamura et al.
Patent Abstracts of Japan, vol. 13, No. 114 (E-730)[3462] Mar. 20, 1989.
Patent Abstracts of Japan, vol. 9, No. 136 (E-320)[1859], Jun. 12, 1985.

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