Shared switching for multiple loads
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United States of America Patent
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-
Mar 2, 2010
Grant Date -
Nov 15, 2007
app pub date -
May 11, 2006
filing date -
May 11, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Circuits, methods, and systems are directed to controlling the amount and polarity of current to multiple loads with switches, where the loads share switching components. The loads may be thermoelectric elements, which heat or cool based on the state of the switches. The switches may be run in a single mode during a duty cycle, or multiple successive modes during the duty cycle to achieve full control of the loads.
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