SCR lamp supply

Details SCR lamp supply SCR lamp supply

1979-08-24

1981-01-20

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

307297, 307304, 323 22SC, 355 69, H05B 3908

Patent

active

042465176

ABSTRACT:
A silicon controlled rectifier (SCR) lamp supply circuit for controlling the amount of rectified voltage delivered to illumination lamps in a document image capturing system includes electronic components for linearizing the transfer function of the circuit to reduce complexity and promote operating stability. The circuit delivers an output voltage to the illumination lamps to within 0.1 volt of a chosen voltage for the lamps and quickly responds to changes in load voltage demand.

REFERENCES:
patent: 3836839 (1974-09-01), Becky
patent: 4127783 (1978-11-01), Alaspa
patent: 4163161 (1979-07-01), Walker

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