Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
Patent
1979-01-04
1980-10-14
Smith, Alfred E.
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Periodic switch in the primary circuit of the supply...
315224, 315DIG4, 331112, H05B 4129, H05B 4140
Patent
active
042283825
ABSTRACT:
A means for regulating the power of a fluorescent tube in a vehicle supplied by a DC source by providing the control circuit of an oscillator transistor of an inverter with an adjustable RC circuit. Even very much dimmed tubes can be lighted with the use of a switch by-passing the RC circuit.
REFERENCES:
patent: 2769970 (1956-11-01), Kratville
patent: 2896125 (1959-07-01), Morton
patent: 3119048 (1964-01-01), Tsuchiya
patent: 3389299 (1968-06-01), Bell
patent: 3514668 (1970-05-01), Johnson et al.
patent: 3573544 (1971-04-01), Zonis
Roberts Charles F.
Smith Alfred E.
Teknoware Oy
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