RFID tag, interrogator and system with improved symbol...

RFID tag, system for purchasing service by using RFID tag,...

RFID tags adjusting to different regulatory environments,...

Sampling to obtain signal from RFID card

Scheduling in an RFID system having a coordinated RFID tag...

Secondary card reader

Secondary card reader

Secure data tagging systems

Security device having wireless energy transmission

Security system, transponder and receiver device

Seismic transducer for marshy terrains

Seismic transducer unit for marshy terrains

Seismic vibrator phase detector

Selective cloaking circuit for use in a radiofrequency...

Selective cloaking circuit for use in radio frequency...

Self-identifying integrated circuits and method for...

Semi-passive radio frequency identification (RFID) tag with...

Semiconductor device

Semiconductor device and driving method thereof

Semiconductor device and IC label, IC tag, and IC card...