Liquid-discharge-failure detecting apparatus and inkjet...

Details Liquid-discharge-failure detecting apparatus and inkjet... Liquid-discharge-failure detecting apparatus and inkjet...

2011-01-04

2011-01-04

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

07862141

ABSTRACT:
A light-emitting element emits a beam onto a droplet discharged from a nozzle from a direction opposite to a direction of discharge of the droplet. A light-receiving element receives a scattered light generated by scattering of the beam by the droplet. Finally, a failure detecting unit detects a liquid discharge failure from data of the scattered light received by the light-receiving element.

REFERENCES:
patent: 4510504 (1985-04-01), Tamai et al.
patent: 2006/0158477 (2006-07-01), Kusakari et al.
patent: 0 110 634 (1984-06-01), None
patent: 0 671 272 (1995-09-01), None
patent: 2000-280461 (2000-10-01), None

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