225958 ⎘
Modulated-carrier systems; Phase-modulated carrier systems, i.e. using phase-shift keying; Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes are non-linear
Communication system employing chaotic sequence based frequency shift keying spreading signals
#2Radio frequency drive level control system and method for an electro-optic phase modulator
#3METHODS AND APPARATUS FOR MULTI-MODE FREQUENCY SHIFT KEYING