Uniport interface for a bar code reading instrument
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United States of America Patent
Stats
-
Aug 3, 1993
Grant Date -
N/A
app pub date -
Oct 31, 1991
filing date -
Oct 31, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical bar code reading instrument has a uniport interface circuit which accepts through a common terminal both charging current for the reader's internal rechargeable battery and incoming digital electric information signals. The uniport interface also allows digital electrical signals produced by the instrument to pass through the same terminal.
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