Transducer with half-section active element

Transmit/receive antenna system having offset feed points...

Transponder

Transponder communication device for the contactless communicati

Transponder communication device for the contactless...

Transponder detector for an RFID system generating a...

Transponder device for the identification of objects in...

Transponder for transmitting processed data to a base...

Transponder identification and record assembly

Transponder identification system

Transponder system with acknowledgements associated with...

Transponder system with acknowledgements associated with...

Transponder with a controllable power-on-reset circuit

Transponder with a frequency detector for protection of...

Transponder, interrogator, and communication system

Tuned ground motion detector utilizing principles of mechanical

Underwater electroacoustic transducer construction

Underwater piezoelectric transducers

Underwater transducer and projector therefor

Unidirectional horizontal seismometer