초록 ▼

An interrogator for use with a plurality of identification systems using different frequencies and different methods of demodulation and decoding is provided. Each of the identification systems includes at least one transponder adapted to attached to an article to be identified and each transponder

An interrogator for use with a plurality of identification systems using different frequencies and different methods of demodulation and decoding is provided. Each of the identification systems includes at least one transponder adapted to attached to an article to be identified and each transponder includes an antenna for receiving an interrogation signal from the interrogator and for responding to the received interrogation signal with a responsive signal. The responsive signal includes at least an identification portion. The interrogator includes an antenna assembly for transmitting the interrogation signal from the interrogator to the transponder and receiving the responsive signal from the transponders. A processor is provided for processing the responsive signal received by the antenna assembly and creating an output signal substantially corresponding to the identification portion of the responsive signal. A display is provided for displaying the output signal. A programmable version of the interrogator is also provided as well as a method of using the interrogator to read a plurality of identification systems.

대표청구항 ▼

[ What is claimed is:] [1.] An interrogator for use with a plurality of identification transponders, the interrogator producing an interrogation signal for interrogating one of the plurality of transponders, the plurality of transponders using different frequencies and different methods of modulatio

[ What is claimed is:] [1.] An interrogator for use with a plurality of identification transponders, the interrogator producing an interrogation signal for interrogating one of the plurality of transponders, the plurality of transponders using different frequencies and different methods of modulation and encoding to transmit an identification signal in response to the interrogation signal, each of the plurality of transponders being adapted to attach to an article to be identified, said identification signal including at least an identification component, said interrogator comprising:an antenna assembly for transmitting said interrogation signal from the interrogator to one of the plurality of transponders and for receiving said identification signal from said transponder;a processor for processing said identification signal received by said antenna assembly and creating an output signal substantially corresponding to said identification component of said identification signal; anda display for displaying said output signal.