Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se
Reexamination Certificate
2005-02-08
2005-02-08
Pert, Evan (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
C324S1540PB
Reexamination Certificate
active
06853176
ABSTRACT:
A self-balancing impedance bridge circuit apparatus includes a sensor device and an electrical element providing a selectable impedance value such that the impedance of the sensor device corresponds to the temperature of the sensor device remaining within acceptable limits.
REFERENCES:
patent: 3626290 (1971-12-01), Aslan
patent: 4031365 (1977-06-01), Raggiotti et al.
patent: 4396020 (1983-08-01), Wolff et al.
patent: 605734 (1948-07-01), None
Nguyen Trung Q
Pert Evan
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