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:
Nov. 12, 2024
Filed:
Aug. 03, 2021
Applicant:
Reald Spark, Llc, Beverly Hills, CA (US);
Inventors:
Jonathan Harrold, Leamington Spa, GB;
Robert A. Ramsey, Boulder, CO (US);
Michael G. Robinson, Boulder, CO (US);
Graham J. Woodgate, Henley-on-Thames, GB;
Assignee:
ReaID Spark, LLC, Boulder, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); G02F 1/13 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13725 (2013.01); G02F 1/1323 (2013.01); G02F 1/133509 (2013.01); G02F 1/13712 (2021.01);
Abstract
A control system for a switchable privacy display apparatus comprises sensors arranged to determine device location, operating environment, document type, application type and further comprises a privacy policy for control of privacy images. High image visibility is provided for public mode operation while in privacy mode a high visual security level may be obtained by means of control of image luminance, contrast and white point in response to the privacy policy.