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:
Mar. 02, 2010
Filed:
Sep. 01, 2004
Robert Martin, San Jose, CA (US);
Donald Speirs, Placitus, NM (US);
Gregory P. Katterhagen, Gilroy, CA (US);
Robert Martin, San Jose, CA (US);
Donald Speirs, Placitus, NM (US);
Gregory P. Katterhagen, Gilroy, CA (US);
Alien Technology Corporation, Morgan Hill, CA (US);
Abstract
According to several embodiments of the invention, a radio frequency identification (RFID) interrogator utilizing a circuit to remove unwanted distortion from a received signal is described. The interrogator transmits a transmitted signal continuously, while receiving a received signal from a radio frequency identification (RFID) tags. The circuit samples the transmitted signal, and removes the unwanted distortion created by the transmitted signal from the received signal.