Patents
Sitemap › H03 - Basic electronic circuitry › H03C - Modulation › H03C 3 - Angle modulation
Patents for H03C 3 - Angle modulation (3,926)
07/1982
07/27/1982US4342007 Swept frequency oscillator with compensation for variations in tuning sensitivity
07/07/1982EP0055287A1 Transform modulation system
05/1982
05/11/1982US4329713 Television automatic gain control system
04/1982
04/28/1982EP0050124A1 Arrangement for angle modulating a phase-locked loop frequency synthesizer
04/13/1982US4325023 Device for inspecting an individual high frequency signal selected according to frequency from a broad frequency band
04/07/1982EP0048786A2 Variable phase square wave voltage generator
03/1982
03/24/1982EP0048057A1 Arrangement for modulating the output signal of a converter, for example an electro-optical converter
03/23/1982US4321706 Frequency modulated phase-locked loop signal source
03/16/1982US4320357 VHF-FM Frequency synthesizer
03/09/1982US4319204 Phase modulated square wave generator
01/1982
01/26/1982US4313209 Phase-locked loop frequency synthesizer including compensated phase and frequency modulation
01/21/1982WO1982000226A1 Transform modulation system
01/20/1982EP0044155A1 Frequency modulated phase-locked loop signal source
01/20/1982EP0044154A2 Phase-locked loop frequency synthesizer including compensated phase and frequency modulation
01/12/1982US4309909 Crystal stabilized voltage to frequency converter with digital calibration for flowmeters
01/05/1982US4309674 Frequency modulators with compensation for variations in modulation sensitivity
12/1981
12/29/1981US4308508 Phase locked loop frequency modulator
12/01/1981US4303894 FM Modulator using variable transistor capacitance
11/1981
11/24/1981CA1113155A1 Duplex microwave radio system
11/12/1981WO1981003250A1 Arrangement for angle modulating a phase-locked loop frequency synthesizer
10/1981
10/28/1981EP0038520A1 Frequency stabilisation method for a high-frequency freely oscillating oscillator
10/28/1981EP0038519A1 Modulatable transistor oscillator with high power output
10/27/1981US4297641 Serrodyning system employing an adjustable phase shifting circuit
10/06/1981CA1110333A1 Precision phase modulators
09/1981
09/30/1981EP0036431A1 Transmitter having a phase-locked loop
09/22/1981US4291277 Adaptive predistortion technique for linearizing a power amplifier for digital data systems
08/1981
08/25/1981US4286237 Wide range drift compensated FM signal generator
08/25/1981US4286235 VFO having plural feedback loops
08/04/1981US4282497 Frequency modulator having linearized operation
07/1981
07/21/1981US4280110 Millimeter wave source comprising an oscillator module and a variable-capacity module
07/14/1981CA1105129A1 Moire interference reducing circuit for fm video recorders
06/1981
06/02/1981US4271504 Frequency modulators for use in microwave links
06/02/1981CA1102447A1 Video signal processing apparatus
05/1981
05/26/1981US4270098 Means for linearizing a voltage variable capacitor controlled oscillator
04/1981
04/02/1981WO1981000942A1 Transmitter having a phase-locked loop
12/1980
12/30/1980US4242649 Method and apparatus for modulating a phase locked loop
11/1980
11/04/1980US4232318 Duplex microwave radio communication system
11/04/1980CA1089036A1 Phase control circuit
10/1980
10/29/1980EP0017899A1 Controllable oscillator grouping
10/21/1980US4229715 Precision phase modulators utilizing cascaded amplitude modulators
09/1980
09/30/1980CA1086838A1 Frequency stabilized microwave signal source
09/16/1980US4223282 Method of reducing interference components in a frequency modulated signal and device for carrying out said method
08/1980
08/20/1980EP0014387A1 Wide range voltage-controlled crystal oscillator
07/1980
07/15/1980CA1081848A2 Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation
06/1980
06/26/1980WO1980001343A1 Precision phase modulations
05/1980
05/28/1980EP0011464A2 Circuit and method for generating modulated oscillations and a modulated oscillatory signal generated by the method
04/1980
04/29/1980CA1076662A1 Linear phase modulator
04/22/1980CA1076221A1 Arc-cosine phase modulators
03/1980
03/25/1980US4195268 Crystal oscillator including adjustable auto transformer for neutralizing crystal capacitance
03/11/1980US4193084 Video recorder having means for maintaining constant the amplitude of the frequency-modulated signal
03/11/1980CA1073536A1 Frequency modulation system
03/04/1980CA1073061A1 Split-ring digital phase modulator
02/1980
02/19/1980US4189690 Resonant linear frequency modulator
02/19/1980US4189689 Automatic leveling stabilized VHF-FM frequency synthesizer
01/1980
01/29/1980US4186356 Phase locked loop frequency synthesizer and frequency modulator
01/22/1980CA1070396A1 R f oscillator and modulator
10/1979
10/31/1979EP0005096A1 Millimeter wave source
10/30/1979CA1065491A1 Signal coding process and transmitting device using the process__
08/1979
08/28/1979US4165949 High efficiency split flow turbine for compressible fluids
08/07/1979US4163951 Frequency discriminator producing at least one of two pulse sequences representing in average the result of frequency discrimination
07/1979
07/24/1979US4162459 Magnetron tuning circuit
07/17/1979CA1058758A1 Digital frequency shift key modulator
06/1979
06/12/1979CA1056495A1 Phase compressor for phase modulated signal
03/1979
03/13/1979CA1050622A1 Pulse position and phase modulator
02/1979
02/20/1979US4140981 Linearizing network
02/08/1979WO1979000051A1 Arc-cosine phase modulators
01/1979
01/09/1979US4134085 Narrow deviation voltage controlled crystal oscillator for mobile radio
12/1978
12/19/1978US4130811 Modulation system
11/1978
11/14/1978US4125817 Method for stabilizing the mean-frequency and modulation slope of a phase-keyed oscillator
10/1978
10/31/1978US4123719 Chirp phase distortion detector in a wideband linearization feedback control loop
10/24/1978US4122364 Voltage-controlled phase shifter circuit for an electronic musical instrument
10/10/1978US4119927 Constant rate sweep frequency generator
10/10/1978US4119925 Frequency synthesizer with frequency modulated output
10/03/1978CA1039819A1 Variable reactance circuit
09/1978
09/26/1978US4117422 Circuit for compensating vco nonlinearities in frequency modulated phase-locked loops and method thereof
09/12/1978CA1038462A1 Homodyne automatic frequency control circuit
08/1978
08/29/1978US4110708 Multichannel modulation system including automatic gain shifter
08/29/1978US4110707 Indirect FM modulation scheme using phase locked loop
08/15/1978US4107679 Frequency modulator for high-precision range measurements
08/08/1978US4105951 Multipactor discharge arrangements
06/1978
06/13/1978US4095196 Arc-cosine phase modulators
05/1978
05/23/1978US4091342 Time delay modulator
05/16/1978US4090136 Method and apparatus for coding a signal
05/09/1978US4088968 Frequency linearization and sensitivity equalization of a frequency modulated crystal oscillator
05/09/1978US4088967 Split-ring digital phase modulator
04/1978
04/04/1978US4083019 Current controlled emitter coupled multivibrator
02/1978
02/14/1978US4074209 Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators
02/14/1978US4074198 System for suppressing sideband components of angle-modulated wave
01/1978
01/10/1978US4068199 Digital phase-locked loop frequency modulator
01/10/1978US4068198 Phase-locked loop frequency shift key modulator
01/10/1978US4068173 Frequency stabilized microwave signal source
12/1977
12/06/1977US4061987 Voltage-controlled type oscillator
11/1977
11/29/1977US4060773 Frequency modulation system
10/1977
10/04/1977US4052740 Moire interference reducing circuit for fm video recorders
10/04/1977US4052682 Multiple oscillator modulator circuit
10/04/1977US4052672 Extended phase-range, high fidelity modulator arrangement
09/1977
09/27/1977US4051519 Phase control circuit suitable for use in a tint control stage of a color television system
09/06/1977US4047127 RF oscillator and modulator having regulated low harmonic output
06/1977
06/07/1977US4028641 Linear phase modulator including a pair of Armstrong modulators
05/1977
05/03/1977US4021757 Phase lock-loop modulator using an arithmetic synthesizer
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