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.:

US 8004468 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2011

Filed:

Jun. 11, 2009
Applicant:

Tareef Ibrahim Al-mahdawi, San Jose, CA (US);

Inventor:

Tareef Ibrahim Al-Mahdawi, San Jose, CA (US);

Assignee:

Intelleflex Corporation, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); G08B 13/14 (2006.01); G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A Radio Frequency Identification (RFID) device according to one embodiment of the present invention includes a first microstrip antenna comprising a microstrip positioned towards a first side of the device, and a Radio Frequency—(RF-)reflective back plane spaced from the microstrip of the first microstrip antenna; a second microstrip antenna comprising a microstrip positioned farther from the first side of the device than the microstrip of the first microstrip antenna, and an RF-reflective back plane spaced from the microstrip of the second microstrip antenna; and circuitry for receiving signals from the first and second microstrip antennas, wherein the first and second microstrip antennas are each independently coupled to the circuitry.


Find Patent Forward Citations

Al-Mahdawi, Tareef. (2011). Rifd device with microstrip antennas (U.S. Patent No. 8004468). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8004468

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