Optical voltage reference

Details Optical voltage reference Optical voltage reference

1992-09-09

1994-04-26

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323902, 323303, 3072966, G05F 316

Patent

active

053070062

ABSTRACT:
An optical voltage reference for providing an alternative to a battery source. The optical reference apparatus provides a temperature stable, high precision, isolated voltage reference through the use of optical isolation techniques to eliminate current and impedance coupling errors. Pulse rate frequency modulation is employed to eliminate errors in the optical transmission link while phase-lock feedback is employed to stabilize the frequency to voltage transfer function.

REFERENCES:
patent: 3991319 (1976-11-01), Servos et al.
patent: 4376969 (1983-03-01), Bedard et al.
patent: 4395660 (1983-07-01), Waszkiewicz

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