High precision voltage measuring passive network

Details High precision voltage measuring passive network High precision voltage measuring passive network

2007-04-11

2010-02-23

Lee, Kyung (Department: 2833)

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

C338S015000, C338S176000, C324S074000, C324S601000, C341S146000

Reexamination Certificate

active

07667567

ABSTRACT:
A voltage divider for high precision voltage measurement has one or more pair of potentiometers. The wipers of each pair of potentiometers are ganged so that the sum of their resistances relative to a first end of the respective potentiometer is a constant. An output potentiometer or a pair of resistors provide an output for measuring the output voltage. The resolution of the voltage divider is the product of the resolution of each potentiometer pair and the output potentiometer.

REFERENCES:
patent: 3123753 (1964-03-01), Kerrns et al.
patent: 3416084 (1968-12-01), Loebe
patent: 5446374 (1995-08-01), Pradel
patent: 5519396 (1996-05-01), Distinti
patent: 5542279 (1996-08-01), Erdman et al.

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