Led color specific optical toner concentration sensor

Details Led color specific optical toner concentration sensor Led color specific optical toner concentration sensor

2005-08-16

2005-08-16

Brase, Sandra L. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S062000

Reexamination Certificate

active

06931219

ABSTRACT:
An apparatus and method for determining toner concentration of a sample comprised of toner and carrier, including exposing the sample to light; the exposing includes emitting light at a predefined wavelength based upon the color of the toner; detecting the light reflected off the sample with an optical sensor; and determining the toner concentration of the sample base upon the light reflected off the sample.

REFERENCES:
patent: 3610205 (1971-10-01), Rarey et al.
patent: 4141645 (1979-02-01), Reid et al.
patent: 4273843 (1981-06-01), Fujita et al.
patent: 4550998 (1985-11-01), Nishikawa
patent: 4980727 (1990-12-01), Stelter
patent: 4985823 (1991-01-01), Tada et al.
patent: 5229821 (1993-07-01), Fujii
patent: 6289184 (2001-09-01), Yoo et al.
patent: 6381421 (2002-04-01), Katahira
Copending U.S. Appl. No. 10/012,442, filed Dec. 12, 2001, entitled by “Optical Toner Concentration Sensor,” Eric M. Gross et al.
Copending U.S. Appl. No. 10/012,440, filed Dec. 12, 2001, entitled “Developer Composition Having Improved Noise Signal Ratio In An Optical Toner Concentration,” by Eric M. Gross et al.

Affiliated with

Also associated with

Rating

Led color specific optical toner concentration sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Led color specific optical toner concentration sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Led color specific optical toner concentration sensor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3497847