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.
Patent No.:
Date of Patent:
Feb. 19, 2019
Filed:
Apr. 17, 2015
Hewlett-packard Development Company, L.p., Houston, TX (US);
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A scanner is disclosed. The scanner includes a light source to emit light of a first color during a first turn-on period and emit light of a second color during a second turn-on period; a sensor to receive light from a scanning area, in response to the light of the first color directed to the scanning area, during a first sensing period, and receive light from the scanning area, in response to the light of the second color directed to the scanning area, during a second sensing period; and a controller to control the timing of the first turn-on period within the first sensing period and the second turn-on period within the second sensing period.