Registers – Systems controlled by data bearing records
Patent
1994-04-08
1995-09-26
Hajec, Donald
Registers
Systems controlled by data bearing records
235462, 235437, 235495, 434326, 434358, 434363, 434364, G06K 710, G06K 500, G09B 306, G09B 706
Patent
active
054536006
ABSTRACT:
A method of entering a hand-marked response into a system by altering a predetermined modified bar code symbol in a manner so that the bar code is rendered readable. In this manner, bar code reading devices can be utilized to detect the hand marked response. In an alternative embodiment, one of several potential responses may be marked and rendered non-decodable. A bar code reading device determines which of the several responses has been hand-marked by ascertaining which is non-decodable. Marking the response sheets may be aided by using an opaque template sheet or using a pressure sensitive overlay sheet.
REFERENCES:
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patent: 5102341 (1992-04-01), Koslin
patent: 5331137 (1994-07-01), Swartz
"Bar Code Method for Automatic Catalog Orders," IBM Technical Disclosure Bulletin vol. 31, No. 4, Sep. 1968, pp. 243-244 (No author).
Filipek Jeffrey R.
Hajec Donald
Symbol Technologies Inc.
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