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:
Nov. 19, 2019

Filed:

Apr. 29, 2016
Applicant:

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

Inventors:

Gregory N Burton, Camas, WA (US);

Jody L Clayburn, Vancouver, WA (US);

Kurt F Olsen, Vancouver, WA (US);

Steven B Elgee, Portland, OR (US);

Jacob McDonald Smith, Vancouver, WA (US);

Kenneth Williams, Vancouver, WA (US);

Lorraine T Golob, Vancouver, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); B41J 2/15 (2006.01); B41J 2/165 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/2142 (2013.01); B41J 2/04561 (2013.01); B41J 2/15 (2013.01); B41J 2/16579 (2013.01); B41J 2/16585 (2013.01); B41J 2/2146 (2013.01); B41J 2202/20 (2013.01);
Abstract

A drop detector includes a printed circuit board (PCB) including a number of optical channels each formed by a light emitter and a light detector and a number of holes defined in the PCB over which the optical channels pass over and through which a number of ejected drops from a number of printheads pass through wherein each of the number of holes defined in PCB are sized to contour the shape of the number of the printheads.


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