Pill count sensor for automatic medicament dispensing machine
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United States of America Patent
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-
Jul 15, 2003
Grant Date -
N/A
app pub date -
Jan 7, 2002
filing date -
May 2, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pill count sensor (10) comprises an electromagnetic energy emitting array (40) and an electromagnetic energy receiving array (42), with a pill detection zone (44) defined therebetween; a sensor amplifier (28); a control board (30) interfaced with a computing device (24); and interconnecting cabling (34, 36, 38). The electromagnetic energy emitting and receiving arrays (40,42) emit and receive, respectively, beams of electromagnetic energy (46) across the zone (44) such that any pill (50) entering the zone (44) is detected by a resulting disruption in received electromagnetic energy at the receiving array (42). The sensor amplifier (28) is operable to automatically self-calibrate in order to compensate for detected electromagnetic energy levels, and to generate a pill sense signal in response to a detected pill (50). The control board (30) is operable to increment a pill count.
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