Patent · US Expired

Radio frequency data communications device

US7385477B2 · kind B2 · utility

35Cited by
156References
51Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 2005
Grant dateJun 10, 2008
Priority date
Expiry dateNov 29, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03L7/148
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A radio frequency identification device includes an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integrated circuit including the receiver, the transmitter, and the microprocessor. Because the device includes an active transponder, instead of a transponder which relies on magnetic coupling for power, the device has a much greater range.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.