Thermal ink jet printing system including printhead with electro

Details Thermal ink jet printing system including printhead with electro Thermal ink jet printing system including printhead with electro

1996-05-17

1998-11-03

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347 19, G01D 1516

Patent

active

058316493

ABSTRACT:
An ink jet printing system includes an ink jet printhead which has an n-bit code representing a unique characteristic of the printhead formed on a substrate forming a part of the printhead. An n-bit data code is sent from a remote source to the printhead. If the data code matches the code on the printhead, printing operation is initiated. If the code is not matched, the print operation is inhibited.

REFERENCES:
patent: Re32572 (1988-01-01), Hawkins et al.
patent: 4571599 (1986-02-01), Rezanka
patent: 4774530 (1988-09-01), Hawkins
patent: 4872027 (1989-10-01), Buskirk et al.
patent: 5049898 (1991-09-01), Arthur et al.
patent: 5363134 (1994-11-01), Barbehenn et al.
patent: 5504507 (1996-04-01), Watrobski et al.

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