Surgery – Truss – Pad
Patent
1976-12-03
1978-07-25
Kamm, William E.
Surgery
Truss
Pad
128 21P, A61N 136
Patent
active
041023471
ABSTRACT:
A constant current supply circuit including a changeable-level compliance voltage source whose output voltage is automatically reduced whenever the impedance of a load connected to the circuit exceeds a predetermined value. A sampling resistor is provided in the path for load current, and this resistor, with load current flowing, develops a related voltage whose level is employed directly to affect the operating level of the compliance voltage source.
REFERENCES:
patent: 3489152 (1970-01-01), Barbara
patent: 3521641 (1970-07-01), Farensbach
patent: 3797500 (1974-03-01), Porter
patent: 3835833 (1974-09-01), Limoge
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