Method and apparatus for sensing and maintaining a gap...

Details Method and apparatus for sensing and maintaining a gap... Method and apparatus for sensing and maintaining a gap...

2005-02-08

2005-02-08

Brooke, Michael S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

06851777

ABSTRACT:
An apparatus positions an ink jet printhead relative to a print medium onto which the printhead jets ink. A conduit is attached to the printhead and has an opening disposed in opposition to the print medium. An air-moving device moves air through the conduit. A pressure-sensing device senses pressure within the conduit. A gap-adjusting assembly moves the printhead and/or the print medium dependent upon the pressure sensed by the pressure-sensing device.

REFERENCES:
patent: 6557987 (2003-05-01), Shibata et al.
patent: 40513712 (1993-05-01), None
Schwarz, O. and Grafstein, P., Pictorial Handbook of technical Devices, Chemical Publishing Co., 1971, p. 542-43.*
Merriam -Webster Dictionary [online], [retrieved Dec. 17, 2003] from http://www.m-w.com/cgi-bin/dictionary.

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