1.1
TIRIS
1.2
Purpose
Chapter 1
SCBU025 – November 1996
Introduction
TIRIS stands for Texas Instruments Registration and Identification System, a Radio Frequency
Identification (RFID) system.
The core of the system is a small device called a transponder that can be attached to or embedded in an
object. A stationary or handheld reader sends a low frequency signal to the transponder via an antenna.
This signal charges up the passive (battery free) transponder in milliseconds. The transponder returns a
signal that carries a unique, factory programmed, 64-bit binary code back to the reader.
The system is used to identify and track objects or animals.
This guide includes the most important information needed to select the best antenna for a specific
applications, to install it correctly, and to optimize its performance. Although the main focus is on TIRIS
standard antennas, the guide also contains some theoretical information to help design custom antennas.
The antennas described in this guide, in combination with the other TIRIS system components, offer you a
complete radio frequency identification system.
There are two types of antennas available for use with a stationary TIRIS reader: gate (square or
rectangular) antennas and stick (ferrite rod) antennas. These standard antennas come in different sizes
for maximum flexibility.
Target audience: This guide is for application center engineers and customers who are actively developing
TIRIS RFID applications.
If you have questions, please contact your local TIRIS Application Center (
).
SCBU025 – November 1996
Introduction
7
Summary of Contents for TIRIS SCBU025
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