Signal coding for telephone communication system

Signal device employing photorefractive area modulation

Signal generator for producing pulse signals for a remote contro

Signal modulation device and signal amplifier cooperative...

Signal modulation for switched mode power amplifiers

Signal modulation scheme in class-D amplification and...

Signal modulator apparatus

Signal oscillator, FM modulation circuit using the same, and FM

Signal processing apparatus

Signal transmission system

Simplified minimum shift keying modulator

Simultaneous amplitude and angle modulation using detection of c

Single point modulator having a PLL circuit

Single resonant tank modulated oscillator

Single side band radio apparatus

Single side-band modulation system for use in digitally implemen

Single side-band wave generation system

Single sideband double quadrature modulator

Single sideband generator of bi-level signals

Single sideband generator with leakage signal cancellation