Power source device for watthour meter

Details Power source device for watthour meter Power source device for watthour meter

1995-08-30

1996-08-13

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Self-regulating

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

324142, G05F 316, G01R 700

Patent

active

055459790

ABSTRACT:
A power source device including, a primary reference voltage generating device having a positive power source terminal connected to receive one of ground potential and a DC positive voltage and a negative power source terminal connected to receive a primary DC negative voltage for generating a primary reference voltage, a reference voltage generating device having a positive power source terminal connected to receive the DC positive voltage and a negative power source terminal connected to receive the primary reference voltage for generating a reference voltage, a positive voltage generating device for obtaining a difference between the reference voltage and the primary reference voltage and amplifying the difference to generate the DC positive voltage, a negative voltage generating device for inverting amplifying the DC positive voltage to generate a negative DC voltage, and an integrated circuit having a positive power source terminal connected to receive the DC positive voltage and a negative power source terminal connected to receive the DC negative voltage. The integrated circuit and the reference voltage generating device are integrated and formed on a n-type substrate, and the negative power source terminal of the integrated circuit is isolated from the negative power source terminal of the reference voltage generating device.

REFERENCES:
patent: 4535287 (1985-08-01), Milkovic
patent: 4542331 (1985-09-01), Boyer
patent: 4682102 (1987-07-01), Milkovic
patent: 4998061 (1991-03-01), Voiisine et al.
patent: 5352972 (1994-10-01), Pernici et al.
patent: 5373227 (1994-12-01), Keeth
patent: 5384740 (1995-01-01), Etoh et al.

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