Patent · US Expired

Programmable-code electromagnetic transponder

US7372359B2 · kind B2 · utility

6Cited by
15References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2003
Grant dateMay 13, 2008
Priority date
Expiry dateSep 2, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K19/0723
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An electromagnetic transponder including: a parallel oscillating circuit adapted to extracting a supply signal from a radiated field; in parallel with the oscillating circuit, several branches each including a programmable resistor and a switch; and a cyclic control element for successively turning on the switches, each resistor forming an element for storing a portion of the code stored in the transponder.

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