Signal transfer method and equipment for electric machine equipp

Signal transmission and tag reading circuit for an inductive rea

Signal transmitting and receiving apparatus

Signaling frequency detection for a communications network

Simple communication system capable of message broadcasting

Simultaneous communication method and system

Simultaneous communication of analog and binary information in a

Single antenna dual frequency transponder

Single button contrast control

Single channel radio control system

Single channel remote controlled toy having multiple outputs

Single chip RF tag oscillator circuit synchronized by base stati

Single fault tolerant CCIS data link arrangement

Single ID radio pager for receiving traffic status data

Single line multiplexing system for sensors and actuators

Single line pair power control system with multi-station capabil

Single transmission line data acquisition system

Single-key security system

Skipped number display for customer service control system

Slave bus controller circuit for class A motor vehicle data comm