Fault-powered low-level voltage clamp circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor

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Details

323226, H02H 904

Patent

active

044451601

ABSTRACT:
A low-level voltage clamp circuit drives its active components with the fault voltage of a main circuit being protected which main circuit operates at about one volt DC or less. The clamping circuit senses voltages in excess of a predetermined limit and effects the sinking of increasing levels of fault current in order to hold the voltage of the main circuit at the predetermined clamp limit.

REFERENCES:
patent: 4095164 (1978-06-01), Ahmed
patent: 4334256 (1982-06-01), Mings
IBM Tech. Disc. Bulletin vol. 11, No. 2, 7/68 "Over Voltage Protection Circuit"-Lorenz Shunt Stabilized Power Supply-Suter Wireless World 3/76 p. 90.

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