The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 27, 2021

Filed:

Dec. 18, 2019
Applicants:

Walter F. Kailey, Frederick, CO (US);

David Ward, Broomfield, CO (US);

Inventors:

Walter F. Kailey, Frederick, CO (US);

David Ward, Broomfield, CO (US);

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/205 (2006.01); B41J 2/045 (2006.01); B41J 2/21 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0456 (2013.01); B41J 2/17566 (2013.01); B41J 2/2054 (2013.01); B41J 2/2114 (2013.01); B41J 2/2132 (2013.01); B41J 2002/17569 (2013.01); B41J 2002/17589 (2013.01);
Abstract

Systems, methods, software for monitoring usage of a recording medium in an image forming apparatus. In one embodiment, a usage monitor receives a raster image, and identifies thresholds that distinguish different intensity levels reproduced by different drop sizes of the recording material. The usage monitor identifies a set of pixel values for a block of pixels from the raster image, performs a vectorized comparison of the set of pixel values to each of the thresholds to generate sets of comparison bits, determines a number of set bits in each of the sets of comparison bits, and updates a threshold counter for each of the thresholds based on the number of set bits. The usage monitor may then compute drop counts for different drop sizes based on the threshold counter for each of the thresholds.


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