Voltage isolated detection apparatus and method

Details Voltage isolated detection apparatus and method Voltage isolated detection apparatus and method

2006-08-15

2006-08-15

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S522000

Reexamination Certificate

active

07091728

ABSTRACT:
A high-isolation call cord switch includes connectivity for a standard hospital-style push-button call cord while using low voltage alternating current to isolate detection circuitry from static electricity. An alternating current signal is used to permit transformer coupling, with its intrinsic isolation capability, between the call cord switch and the detection circuit.

REFERENCES:
patent: 5264982 (1993-11-01), Cox et al.
patent: 6580783 (2003-06-01), Swale
patent: 6900643 (2005-05-01), Deng et al.

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