Microfilm reader for high density, two dimensional bar code symb

Details Microfilm reader for high density, two dimensional bar code symb Microfilm reader for high density, two dimensional bar code symb

1996-04-01

1998-08-18

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235454, G06K 710

Patent

active

057960909

ABSTRACT:
A microfilm reader, which includes a bar code scanner, a controller, and a keyboard, receives microfilm containing documents and corresponding bar code symbols. Each bar code symbol contains data describing the contents of a respective document. The bar code scanner reads the bar code symbols located on the microfilm and transmits data representing the read bar code symbols to the controller. The controller determines whether the data received from the bar code scanner satisfies search criteria entered into the keyboard.

REFERENCES:
patent: 4174890 (1979-11-01), Johnson et al.
patent: 4174891 (1979-11-01), Flint et al.
patent: 4283621 (1981-08-01), Pembroke
patent: 4429385 (1984-01-01), Cichelli et al.
patent: 4608489 (1986-08-01), Ramsey et al.
patent: 4645916 (1987-02-01), Raisleger
patent: 4972068 (1990-11-01), Ohtani et al.
patent: 5247575 (1993-09-01), Sprague et al.

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