Patent · US Active

Radio frequency shield with proximity change alert for a contactless data carrier

US9166657B2 · kind B2 · utility

0Cited by

0References

19Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Mattias Lampe · Wolfenbüttel, DE
Dan Yu · Shakopee, US
Yong Yuan · Weihai, CN

Key dates

Filing date	Apr 8, 2011
Grant date	Oct 20, 2015
Priority date	—
Expiry date	Feb 27, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG06K7/10316
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A device, system, antenna system including a reader and a plurality of antennae, antenna product, method for the addressing antennae, and method for switching the antenna in a radio frequency identification (RFID) system, wherein the method includes switching the reader in a sequential manner to each of the antennae successively according to a radio frequency communication signal from said reader, where the radio frequency communication signal is provided for the reader to communicate with a tag such that it is simple to form a network and easy to implement the network at low cost.

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