Patents
Patents for H03C 3 - Angle modulation (3,926)
05/1977
05/03/1977US4021742 Phase compressor for phase modulated signal
04/1977
04/19/1977US4019185 Phase modulation apparatus
02/1977
02/22/1977US4009455 Phase locked loop angle modulation system with large modulation index
02/01/1977US4006430 Circuit arrangement for converting a bridge unbalance into a frequency variation
02/01/1977US4006429 Homodyne automatic frequency control circuit
01/1977
01/11/1977US4003004 Frequency modulated oscillator
12/1976
12/14/1976US3997915 Frequency modulating and demodulating method and apparatus
12/07/1976US3996532 Phase modulating with odd and even finite power series of a modulating signal
11/1976
11/30/1976US3995233 Temperature compensated variable frequency crystal oscillator
11/09/1976US3991389 Digital frequency shift key modulator
10/1976
10/12/1976US3986145 Variable reactance circuit including differentially-connected transistor device providing a variable reactance input impedance
10/05/1976US3984863 Methods and devices for stabilizing the rest frequency of frequency modulated oscillators
09/1976
09/21/1976US3982211 Linearized varactor frequency modulated semi-conductor diode oscillator
09/07/1976US3979697 Frequency modulated saw oscillator
06/1976
06/22/1976US3965438 Frequency locking system for a voltage controlled sweep frequency oscillator
06/01/1976US3961286 Reflection type phase modulator having reduced temperature sensitivity and reduced distortion
06/01/1976US3961285 Voltage controlled oscillator driver
05/1976
05/18/1976US3958190 Low harmonic crystal oscillator
04/1976
04/13/1976US3950713 Acoustic wave devices
04/06/1976US3949324 Surface wave device angle modulator
03/1976
03/23/1976US3946337 Phase modulator for phase shift key communications systems
03/23/1976US3946330 Voltage controlled oscillator circuit
03/09/1976US3943446 Power and modulation control system
03/02/1976US3942135 Concatenated surface wave delay line correlator
02/1976
02/03/1976US3936765 Surface acoustic wave oscillators
01/1976
01/06/1976US3931597 Apparatus and method for phase-encoded surface wave devices
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