Device for measuring supply voltage and method thereof
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United States of America Patent
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Apr 18, 2006
Grant Date -
May 19, 2005
app pub date -
Jul 19, 2004
filing date -
Nov 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for measuring voltage, including a voltage detecting portion for detecting a plurality of voltages and outputting a maximum voltage of the plurality of voltages, a voltage latching portion that receives a first output from the voltage detecting portion, and a voltage reading portion that receives a second output from the voltage latching portion. Another device for measuring voltage, including a supply voltage, a ground voltage, and first and second supply voltage measuring units connected in parallel to each other between the supply voltage and the ground voltage. A method for measuring voltage, including receiving a plurality of voltages, detecting a maximum voltage from the plurality of voltages, maintaining the detected maximum voltage, and outputting the maintained detected maximum voltage.
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