Linear thermoelectric device driver

Details Linear thermoelectric device driver Linear thermoelectric device driver

2006-01-03

2006-01-03

Jones, Melvin (Department: 3744)

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

C062S003700

Reexamination Certificate

active

06981381

ABSTRACT:
Device driver circuits based on H-bridges can be implemented to provide linear control of the H-bridge, reduce power losses, and reduce certain component size/cost. The driver circuits can use two feedback loops to operate the H-bridge in different regions and to guarantee that current flows through an H-bridge load device, such as a thermoelectric cooler, in only one direction at a given time. The H-bridge driver circuits can remove the possibility of high currents bypassing the load device and thus going directly through the switches on either side of the H-bridge driver. The H-bridge driver circuits also ensure careful control of the current applied to the H-bridge load device. Such driver circuits are particularly useful for controlling the current applied to thermoelectric devices.

REFERENCES:
patent: 4364234 (1982-12-01), Reed
patent: 5450727 (1995-09-01), Ramirez et al.
patent: 5603220 (1997-02-01), Seaman
patent: 6205790 (2001-03-01), Denkin et al.
patent: 6636459 (2003-10-01), Nagata

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