Scanner interface circuit for universal multi-station document i

Details Scanner interface circuit for universal multi-station document i Scanner interface circuit for universal multi-station document i

1982-07-01

1985-06-25

Smith, Jerry

Boots, shoes, and leggings

364138, 364146, 364471, 364900, 270 58, 271 31, 271 4, 271259, 53500, 53540, G06F 1520, G06G 748

Patent

active

045257884

ABSTRACT:
A method and associate apparatus for providing a scanner interface circuit for a universal multi-station document inserter having a plurality of document feeder stations has a central processor which stores a supervisory program and scanner interface circuits associated with at least some of the feeder stations. Each scanner interface circuit has a unique address, a portion of which is shared with that of its associated feeder station and a distributed processor which stores a scanner program containing instructions for scanning coded documents. The scanner circuit, in response to address signals received from the central processor, scans the coded document and provides document present and end of collation signals to the central processor. A programmable counter is provided in the scanner circuit to provide timing signals for reading codes on coded documents.

REFERENCES:
patent: 3606728 (1971-09-01), Sather et al.
patent: 3804005 (1974-04-01), Burges et al.
patent: 3899165 (1975-08-01), Abram et al.
patent: 4022455 (1977-05-01), Newsome et al.
patent: 4121818 (1978-10-01), Riley et al.
patent: 4388994 (1983-06-01), Sada et al.
patent: 4395031 (1983-07-01), Gruber et al.

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