Resistance bridge and its use in conversion systems

Details Resistance bridge and its use in conversion systems Resistance bridge and its use in conversion systems

1997-08-13

1999-06-01

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input current or voltage to output frequency

327100, 327512, 327516, 327 50, 327 70, 73766, 324691, G06F 1520, H03K 500, G01B 718

Patent

active

059091320

ABSTRACT:
An electrical network creates a differential voltage signal and comprises a plurality of first impedance elements of substantially equal values which are connected to form an impedance bridge. The impedance of at least one of the first impedance elements changes in response to at least one selected external condition to which the first impedance elements are exposed. The network also comprises a second impedance element which has two nodes. The second impedance element is connected at these nodes between a first pair of the first impedance elements. The differential voltages are measured between these nodes and between another node or nodes with magnitudes and signs being dependent upon the change in the impedance of the first impedance elements.

REFERENCES:
patent: Re32631 (1988-03-01), Layer
patent: 4031532 (1977-06-01), First
patent: 4417477 (1983-11-01), Poff
patent: 4765188 (1988-08-01), Krechmery et al.
patent: 4862382 (1989-08-01), Schneider et al.

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