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. 30, 2015
Filed:
Jun. 27, 2011
System and method for extending range of radio frequency identification (rfid) signal communications
Anatoly Grinberg, Brighton, MA (US);
Anatoly Grinberg, Brighton, MA (US);
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Abstract
Systems and methods for extending the range of radio frequency identification (RFID) signal communications, including related sensing systems, are disclosed. In one embodiment, the system facilitates wireless communications between a RFID reader device and RFID transponder device and includes an extender circuit. The extender circuit includes a first tank circuit including a first inductor connected in parallel with a first capacitor between first and second nodes, and a second tank circuit including a second inductor connected in parallel with a second capacitor between third and fourth nodes. The extender circuit includes a first connection including a resistor, the first connection linking the first and third nodes, and a second connection between the second and fourth nodes, where the second and fourth nodes are at or substantially at a common voltage. In at least some additional systems, the extender circuit is implemented in combination with an RFID reader or transponder device.