Electric lamp and discharge devices: systems – Current and/or voltage regulation – Pre-selectable regulator systems
Patent
1988-05-13
1990-06-12
Pascal, Robert J.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Pre-selectable regulator systems
355 69, 323209, H05B 3702
Patent
active
049336070
ABSTRACT:
An exposure device with a metal-halide lamp for the exposure of photosensitive materials in reprographics includes a circuit having a power source and an adjusting device in the circuit for adjusting the lamp between exposure operations at full power and a power level reduced for stand-by operation. The reduced power level is preselected as a function of predetermined properties of the photosensitive materials.
REFERENCES:
patent: 3914649 (1975-10-01), Hug
patent: 4525651 (1985-06-01), Ahlgren
Pascal Robert J.
Siegfried Theimer GmbH
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