Electrical signal supply with separate voltage and current contr

Details Electrical signal supply with separate voltage and current contr Electrical signal supply with separate voltage and current contr

1996-12-18

1999-01-12

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

Using an impedance as the final control device

323911, 323285, 307110, 607116, G05F 112

Patent

active

058595279

ABSTRACT:
An electrical signal supply apparatus independently controls and regulates voltage and current in supplying microampere currents to skin tissue of patients. The apparatus enables operators to select a desired voltage level independent of the requirement to maintain current through the skin tissue at a relatively constant level. The apparatus includes a switching regulator in combination with an electric voltage doubling network and potential divider network to enable the supply of increased voltages.

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patent: 4232680 (1980-11-01), Hudleson et al.
patent: 4442397 (1984-04-01), Ishikawa et al.
patent: 4632117 (1986-12-01), James
patent: 4693254 (1987-09-01), Mickiewicz et al.
patent: 4782837 (1988-11-01), Hogan
patent: 4841973 (1989-06-01), Stecker
patent: 4926864 (1990-05-01), Dufresne et al.
patent: 5218960 (1993-06-01), Privas

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