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:
Jun. 28, 2016
Filed:
Jan. 03, 2011
Amin Shameli, Irvine, CA (US);
Aminghasem Safarian, Irvine, CA (US);
Ahmadreza (Reza) Rofougaran, Newport Castle, CA (US);
Maryam Rofougaran, Rancho Palos Verdes, CA (US);
Franco DE Flaviis, Irvine, CA (US);
Amin Shameli, Irvine, CA (US);
Aminghasem Safarian, Irvine, CA (US);
Ahmadreza (Reza) Rofougaran, Newport Castle, CA (US);
Maryam Rofougaran, Rancho Palos Verdes, CA (US);
Franco De Flaviis, Irvine, CA (US);
BROADCOM CORPORATION, Irvine, CA (US);
Abstract
A near field RFID system includes an RFID reader and an RFID tag. The RFID reader includes a transmit path and a receive path, wherein the transmit path includes: an encoding section coupled to convert data into encoded data; a digital to analog conversion module coupled to convert the encoded data into an analog encoded signal; a power amplifier coupled to amplify the analog encoded signal; and a plurality of coils coupled to generate a plurality of electromagnetic fields from the analog encoded signal. The RFID tag that includes: a coil coupled to generate a current and a recovered signal from at least one of the plurality of electromagnetic fields; a power recovery circuit coupled to generate a voltage from the current; and a data processing section coupled to process the recovered signal, wherein the data processing section is powered via the voltage.