Uniport interface for a bar code reading instrument

Details Uniport interface for a bar code reading instrument Uniport interface for a bar code reading instrument

1991-10-31

1993-08-03

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

235472, G06K 710

Patent

active

052331695

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.

REFERENCES:
patent: 4721849 (1988-01-01), Davis et al.
patent: 4945216 (1990-07-01), Tanabe
patent: 4970379 (1990-11-01), Danstrom
patent: 5055660 (1991-10-01), Bertanga et al.

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