Brilliance control circuit for controlling the brilliance of flu

Details Brilliance control circuit for controlling the brilliance of flu Brilliance control circuit for controlling the brilliance of flu

1988-08-26

1991-03-12

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315260, 315334, 315291, G09G 310

Patent

active

049995430

ABSTRACT:
A brilliance control circuit capable of automatically controlling the brilliance of fluorescent display tubes, comprising a lighting voltage regulating circuit incorporating a circuit element which decreases the lighting voltage when the current flowing through the fluorescent display tube increases, and increases the lighting voltage when the current decreases.

REFERENCES:
patent: 335060 (1986-01-01), Doubleday
patent: 2254957 (1941-09-01), Bay et al.
patent: 2897405 (1959-07-01), Briggs et al.
patent: 3050654 (1962-08-01), Toulon
patent: 3157822 (1964-11-01), Haskell
patent: 3247390 (1966-04-01), Kazan
patent: 4135117 (1979-01-01), DuBois
patent: 4450385 (1984-05-01), Buhrer
patent: 4587462 (1986-05-01), Buhrer
patent: 4633141 (1986-12-01), Weber
patent: 4691145 (1987-09-01), Satoh
Hayt et al, "Engineering Circuit Analysis", Third Edition, 1978, p. 54.

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