HAND-HELD TEST METER WITH SIGNAL RECOVERY BLOCK
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Jan 6, 2012
filing date -
Jan 6, 2012
priority date (Note) -
Abandoned
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Abstract
A hand-held test meter (“HHTM”) for use with an analytical test strip in the determination of an analyte in a bodily fluid sample includes a housing, an electrical signal receiving block, a signal recovery block and a microcontroller block, all of which are disposed in the housing. The electrical signal receiving block is configured to receive an electrical signal from an analytical test strip inserted in the HHTM that has been distorted into a distorted electrical signal. In addition, the signal recovery block and microcontroller block are configured to recover the electrical signal from the distorted electrical signal by generating a recovered electrical signal based on a predetermined recovered electrical signal frequency, a recovered electrical signal amplitude estimated from the distorted electrical signal, a recovered electrical signal offset estimated from distorted electrical signal and a recovered electrical signal phase determined using a least sum squares calculation.
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