Voltage-comparing device with analog-signal converter
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United States of America Patent
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Oct 21, 2003
Grant Date -
Oct 2, 2003
app pub date -
Mar 26, 2002
filing date -
Mar 26, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A voltage-comparing device applied in a cursor-control input device is provided. The voltage-comparing device includes an analog-signal converter obtaining an initial reference voltage for the follow-up device in an operational procedure corresponding to an input voltage and a comparing circuit sending a feedback to control the input resistance device, the reference voltage and the offset voltage for preventing the voltage comparing device from the disturbance of noises.
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