Patent · US Expired

Contactless identification and communication system and method of operating the same

US6104290A · kind A · utility

58Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 17, 1998
Grant dateAug 15, 2000
Priority date
Expiry dateSep 17, 2018

Classification

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

Abstract

A contactless identification and communication system and method of operating a contactless identification communication system comprising a reader and one or more transponders, wherein the or each transponder is operable to be in RF communication with the reader, which method comprises the steps of: operating the transponder at a first clock rate when the transponder is not transmitting to the reader; and operating the transponder at a second clock rate during transmission of data from the transponder to the reader, the second clock rate being higher than the first clock rate.

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