Example Applications - RFID: Fundamentals and Applications in Contactless Smart Cards and Identification - page 361

Home pigeonry 1 Byte random number

Transport to release site

Registration at headquarters

Confirmation (timing)

Race

Evaluation at headquarters

Figure 13.32 The generation of a random number which is written to the transponder before
the start protects against attempted fraud

Figure 13.33 Typical antenna of an electronic confirmation system. The transponder on the
pigeon's left leg is also clearly visible (reproduced by permission of Deister Electronik,
Barsinghausen)

rings can be fastened to the pigeon's leg without hindering the animal or causing it
any discomfort (Figure 13.33).

13.7 Electronic Immobilisation

The sharp rise in vehicle theft at the beginning of the 1990s — particularly in
Germany — boosted the demand for effective anti-theft systems. Battery-operated