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:
Oct. 15, 2019
Filed:
Feb. 19, 2018
Applicant:
Prysm, Inc., San Jose, CA (US);
Inventors:
Jahja I. Trisnadi, Cupertino, CA (US);
Alan C. Burroughs, San Jose, CA (US);
Assignee:
PRYSM, INC., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G09G 3/02 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3194 (2013.01); G09G 3/025 (2013.01); H04N 9/317 (2013.01); H04N 9/3129 (2013.01); H04N 9/3147 (2013.01); H04N 9/3155 (2013.01); H04N 9/3164 (2013.01); G09G 2300/026 (2013.01); G09G 2320/029 (2013.01);
Abstract
The present disclosure generally relates to a LPD system having a plurality of detectors for detecting light reflected from the back surface of the screen. The detectors are positioned to detect light from one or more portions of the screen that are not directly in front of the detector.