G - Physics – 05 – D
Patent
G - Physics
05
D
341/32, 341/32.5
G05D 23/19 (2006.01)
Patent
CA 1295036
ABSTRACT OF THE DISCLOSURE A temperature compensation circuit using the Peltier effect in which a cooler/heater means has two terminals and which provides cooling when current flows in one direction and heating when it flows in the opposite direction. A four switch bridge with two pairs of opposed terminals supplies current from a power supply to the heater/cooler. A temperature error signal is developed whenever a sensed temperature differs from a desired temperature. A control means responds to the temperature error signal and activates diagonally opposed pairs of switches in the bridge to control the direction of current flow through the cooler/heater.
615796
Andreasen Dinal S.
Brown Clifford D.
Maslaney Michael J.
Andreasen Dinal S.
Borden Ladner Gervais Llp
Brown Clifford D.
General Signal Corporation
Maslaney Michael J.
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