Identification symbol, system and method

Details Identification symbol, system and method Identification symbol, system and method

1987-11-25

1990-05-08

Pellinen, A. D.

Registers

Records

Particular code pattern

235487, G06K 714, G06K 1906

Patent

active

049240781

ABSTRACT:
The present invention is a symbol 10 that includes a square array 12 of data cells 14 surrounded by a border 30 of orientation and timing data cells. The border 30 can be surrounded by an external data field 18 also including information data cells 20. The orientation and timing for sampling each data cell can be determined from the border 30 or from additional orientation and timing cells in the internal data field 12 or external data field 18. A system 40 and 42 is also included that captures an image of the symbol, determines symbol orientation, decodes the contents of the symbol and outputs the decoded contents to a display or other device. The present invention also includes a device 48 that can produce symbols on a substrate such as a label.

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Dennis G. Priddy, "Datacode", Product Description Brochure, Datacode International, Inc., Safety Harbor, Fla., Jun. 1989.
Veritec Inc., pp. 76 and 77, Public Gaming Magazine, George Haroney, Graphing Quadric Surfaces, Dec. 1986, pp. 215-224.
"How Japanese Square Route Could Cut the Cost of Coding", by Roy Garner, May. 5, 1987, Colin Linn, Financial Times.

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