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. 23, 2010
Filed:
May. 15, 2002
Applicant:
Fransiscus Gerardus Coenradus Verweg, Heerlen, NL;
Inventor:
Fransiscus Gerardus Coenradus Verweg, Heerlen, NL;
Assignee:
TPO Hong Kong Holding Limited, Hong Kong, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Part of the (synthetic material) substrate () of a display is combined with a light source, e.g. a LED () and a photodetector () to be used as an optical microphone. A membrane () is formed which deforms due to air pressure fluctuations caused by sound waves. The fluctuations are detected by the photodetector for further processing.
Quick Actions:
Verweg, Fransiscus Gerardus Coenradus. (2010). Device for detecting pressure fluctuations, display device, recording device and sound reproduction system (U.S. Patent No. 7668322). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7668322
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile