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:
Jul. 19, 2016
Filed:
Mar. 08, 2012
Sergey Chemishkian, Menlo Park, CA (US);
Ken Gudan, Sunnyvale, CA (US);
Jonathan J. Hull, San Carlos, CA (US);
Matthew S. Reynolds, Durham, NC (US);
Sergey Chemishkian, Menlo Park, CA (US);
Ken Gudan, Sunnyvale, CA (US);
Jonathan J. Hull, San Carlos, CA (US);
Matthew S. Reynolds, Durham, NC (US);
RICOH CO., LTD., Tokyo, JP;
DUKE UNIVERSITY, Durham, NC (US);
Abstract
A method and apparatus is disclosed herein for controlling radio-frequency (RF) energy for wireless devices. In one embodiment, the method comprises determining to increase radio-frequency (RF) energy available to power a wireless tag and controlling the RF energy delivered to the wireless tag to provide tag energy, using one or more of: a) increasing transmission RF power of one or more wireless communication devices, b) increasing a duty cycle associated with wireless transmissions of one or more wireless communication devices, and c) decreasing path loss of the power to the wireless tag.