Patent · US Active

Radio frequency identification reader antenna and shelf

US9306286B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Dieter Horst · Cadolzburg, DE
Dan Yu · Shakopee, US
Yong Yuan · Weihai, CN

Key dates

Filing date	Jan 20, 2011
Grant date	Apr 5, 2016
Priority date	—
Expiry date	Oct 24, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH01Q13/20
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A radio frequency identification (RFID) reader antenna includes a feeding frame, a upper stub unit connected with the first side of the feeding frame, and a lower stub unit connected with the second side of the feeding frame, wherein the upper stub unit includes M first stubs extending towards the second side of the feeding frame, the lower stub unit includes N second stubs extending towards the first side of the feeding frame, the M first stubs and the N second stubs are arranged alternately intervallic, where M, N are integers that are greater than one.

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