Fluorescent lamp device

Details Fluorescent lamp device Fluorescent lamp device

1985-02-05

1991-01-08

Razavi, Michael

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315108, 315110, 315307, 315DIG5, H05B 3700

Patent

active

049838881

ABSTRACT:
In a fluorescent lamp device, a discharge tube is made by arranging electrodes at the ends of a glass tube, sealing mercury and a rare gas into the glass tube and coating the inner surface of the glass tube with a phosphor, and an amalgam forming material is disposed close to one or the other of the ends of the discharge tube. This fluorescent lamp is operated with a d.c. current using as the anode the electrode arranged on the discharge tube end side where the amalgam forming material is located.

REFERENCES:
patent: 3336502 (1967-08-01), Gilliatt
patent: 3591828 (1971-07-01), Washimi et al.
patent: 3714492 (1973-01-01), Roche
patent: 3859555 (1975-01-01), Latassa et al.
patent: 4005332 (1977-01-01), Gallo et al.
patent: 4020378 (1977-04-01), Morehead
patent: 4173730 (1979-11-01), Young et al.
patent: 4268780 (1981-05-01), Roche et al.
patent: 4337418 (1982-06-01), Walz
patent: 4394603 (1983-07-01), Widmayer
patent: 4438374 (1984-03-01), Karius
patent: 4494042 (1985-01-01), Roche

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