Patent · US Expired

Method of determining a time value representing at least a part of the communication time interval of a transponder with a communication device

US6819221B1 · kind B1 · utility

3Cited by
12References
25Claims
0Family size

Inventors

Key dates

Filing dateAug 1, 2000
Grant dateNov 16, 2004
Priority date
Expiry dateMay 16, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K7/0008
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The disclosure describes a communication device and a transponder adapted to provide contactless communication with the communication device include time-value determiner with the aid of which at least one time value can be determined, which time value is representative of at least a part of the communication time interval which starts at a starting instant and ends at an ending instant, in which communication time interval communication between the communication device and the transponder is possible.

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