Photo curing light source

Details Photo curing light source Photo curing light source

1978-11-09

1980-09-09

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

250493, 250504H, 315307, 315DIG7, H05B 4139

Patent

active

042219949

ABSTRACT:
A compact, lightweight source of radiation at wavelengths ranging from long wave ultraviolet through the visible powered from a low power DC source wherein a high frequency oscillator provides regulated driving current for the excitation of a fluorescent tube which emits energy at wavelengths outside the erythemal zone and wherein a first level of energizing current is provided for a warmup of the tube, a second level of energizing current is provided for standby excitation and a third level of energizing current is available for more intense operating excitation during which time there is also provided an audible timing signal.

REFERENCES:
patent: 3648106 (1972-03-01), Engel et al.
patent: 3890537 (1975-06-01), Park et al.
patent: 3970856 (1976-07-01), Mahaffey et al.
patent: 4112335 (1978-09-01), Gonser

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