Triax safety circuit

Details Triax safety circuit Triax safety circuit

1981-02-13

1982-06-15

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 42, 340650, 340652, 340649, H02H 316

Patent

active

043354122

ABSTRACT:
A safety circuit prevents shocks, and is particularly useful with a television camera head and processing unit that are connected by a triaxial cable. The circuit applies power to the triax at the processing unit. If the current is interrupted, the power is no longer applied and a selected impedance is applied to the triax at the camera. If said impedance can be detected at the processing unit, power is reapplied to the triax. The impedance can comprise a diode, which has different effects upon different alternating signal polarities.

REFERENCES:
patent: 3072827 (1963-01-01), Benish
patent: 3766434 (1973-10-01), Sherman
patent: 3961319 (1976-06-01), Asberry

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