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:
May. 09, 2023

Filed:

Dec. 21, 2021
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Eogkyu Kim, Seongnam-si, KR;

Heungsup Park, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 9/08 (2006.01); G03G 9/09 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5062 (2013.01); G03G 9/0821 (2013.01); G03G 9/0902 (2013.01);
Abstract

An example photodetector for detecting fluorescent toner includes a light emitting unit to emit light to a toner image, and a light receiving unit. The light receiving unit is to detect visible light reflected by the toner image, detect that the toner image includes the fluorescent toner based on the detection of the visible light, the visible light generated by the fluorescent toner and having a predetermined wavelength band different from a wavelength band of the emitted light, and output a signal corresponding to the detection of the fluorescent toner.


Find Patent Forward Citations

Kim, Eogkyu. (2023). Printer with photodetector for detecting fluorescent additives in toner (U.S. Patent No. 11644785). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11644785

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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