Time division multiplexed batch mode item identification system

Details Time division multiplexed batch mode item identification system Time division multiplexed batch mode item identification system

1995-06-20

1996-07-23

Bowler, Alyssa H.

Communications: electrical

Continuously variable indicating

With meter reading

34082535, 340572, H04Q 700, G06F 704, G08B 1314

Patent

active

055393942

ABSTRACT:
Apparatus and method are disclosed for communicating between a central location and a plurality of identification tags or labels located in a container or in a space without separately passing each tag or labeled product through a read station. The disclosure includes use of hashing to reduce the amount of time needed to read the possible tags in the space. Reading is accomplished using radio communication with a combination of broadcast and time division multiplex architectures.

REFERENCES:
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patent: 5043722 (1991-08-01), Aggers et al.
patent: 5055659 (1991-10-01), Hendrick et al.
patent: 5231273 (1993-07-01), Caswell et al.
patent: 5235326 (1993-08-01), Beigel et al.
patent: 5257011 (1993-10-01), Beigel
patent: 5340969 (1994-08-01), Cox

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