05410315 is referenced by 131 patents and cites 12 patents.

A responder unit (12) located in spaced relation with respect to an interrogator unit (10) is described. The responder unit (12) has a responder unit receiver (130) for receiving at least one RF interrogation pulse, a responder unit memory (168) containing a potentially unique responder unit group address, a responder unit controller (202) operably connected to the memory (168) for comparing the potentially unique responder unit group address to the Group Address, and a responder unit transmitter (130) for transmitting a RF response when the potentially unique responder unit group address matches the Group Address.

Title
Group-addressable transponder arrangement
Application Number
7/986950
Publication Number
5410315
Application Date
December 8, 1992
Publication Date
April 25, 1995
Inventor
Alexander G Huber
Munich
DE
Agent
Richard L Donaldson
James C Kesterson
Ira S Matsil
Assignee
Texas Instruments Incorporated
TX, US
IPC
G01S 13/80
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