Record with removable two-dimensional code

Details Record with removable two-dimensional code Record with removable two-dimensional code

1995-05-30

1998-01-20

Hajec, Donald T.

Registers

Records

235462, G06K 700

Patent

active

057104190

ABSTRACT:
A printing and reading system prints records having two-dimensional erasable bar codes. The bar code is printed on the record in erasable ink and can be implemented in PDF417 format. The system reads the two-dimensional erasable bar code located on the record, erases it using erasing fluid, dries it, and prints a new two-dimensional erasable bar code in place of the previous two-dimensional erasable bar code.

REFERENCES:
patent: 4249072 (1981-02-01), Buros
patent: 4544834 (1985-10-01), Newport et al.
patent: 4614366 (1986-09-01), North et al.
patent: 4707593 (1987-11-01), Murata et al.
patent: 4794239 (1988-12-01), Allais
patent: 4818850 (1989-04-01), Gombrich et al.
patent: 5298476 (1994-03-01), Hotta et al.
patent: 5321239 (1994-06-01), Masubuchi et al.
patent: 5450491 (1995-09-01), McNair
patent: 5607063 (1997-03-01), Nishijima et al.

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