Signal device employing photorefractive area modulation

Signal generator for producing pulse signals for a remote contro

Signal modulator apparatus

Signal transmission system

Simplified minimum shift keying modulator

Simultaneous amplitude and angle modulation using detection of c

Single resonant tank modulated oscillator

Single side band radio apparatus

Single side-band wave generation system

Single sideband generator of bi-level signals

Single sideband generator with leakage signal cancellation

Single sideband transmitter apparatus

Single-sideband generator suitable for integrated circuits

Single-sideband modulator and broadcast transmitter

Spatial encoding of a laser beam by means of a Stark cell modula

Spatial light modulator

Spatial light modulator

Spatial light modulator and method

Spatial light modulator and method

Spatial polarization coding electro-optical transmitter