H03C 1 - Amplitude modulation

Patents for H03C 1 - Amplitude modulation (2,214)
11/2002
11/07/2002	US20020165584 Switched reactance modulated E-class oscillator optimized for amplitude modulation
10/2002
10/31/2002	WO2001080418A3 Frequency converter
10/24/2002	US20020153961 Power oscillator for control of waveshape and amplitude
10/15/2002	US6466277 VSB digital modulator
10/10/2002	WO2002080350A1 Power oscillator for control of waveshape and amplitude
10/10/2002	US20020144983 Pulsing intelligent rf modulation controller
10/09/2002	EP1248353A2 Pulsing intelligent rf modulation controller
10/01/2002	US6459067 Pulsing intelligent RF modulation controller
09/2002
09/26/2002	WO2000036742A3 Phase modulating transmitter
09/26/2002	EP1055283A3 Phase modulating transmitter
09/06/2002	WO2002035712A3 Radio transmitters
09/04/2002	EP1163718B1 Method for modulating the amplitude of an antenna signal
08/2002
08/29/2002	WO2000024120A9 Method and system for ensuring reception of a communications signal
08/22/2002	US20020114403 Digital transmitter system and method
08/21/2002	EP1233507A1 Digital transmitter system and method
08/13/2002	US6433644 Adjusting untrimmed VCO during operation of the oscillator
08/08/2002	US20020105390 Modulator and oscillator for microwave and milliwave use
07/2002
07/31/2002	CN2503667Y Multifunction solid-state micowave signal source
07/24/2002	CN1360752A Single sideband mixer
07/17/2002	EP1223669A2 Amplitude modulator and process
07/16/2002	US6420940 Transmitter with a phase modulator and a phase locked loop
07/09/2002	US6417729 Linear power control loop
07/02/2002	US6414560 Loop delay compensation for a digital power amplifier
06/2002
06/25/2002	US6411342 Video signal transmission equipment
06/19/2002	EP1215816A2 Power controllers for amplitude modulation
06/13/2002	US20020072342 Antenna signal amplitude modulation method
06/06/2002	DE10059585A1 Elektrische Schaltung und Verfahren zur Pulsmodulation eines Trägersignals Electrical circuit and method for pulse modulation of a carrier signal
05/2002
05/30/2002	US20020063609 Electrical circuit and method for pulse modulation of a carrier signal
05/29/2002	CN1351778A Method for modulating the amplitude of an antenna signal
05/23/2002	US20020062141 Switched reactance modulated E-class oscillator design
05/16/2002	US20020058490 Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
05/10/2002	WO2002037667A1 A direct digital amplitude modulator
05/08/2002	EP1097509B1 Vectorial modulator
05/02/2002	WO2002035787A2 Modulator which uses amplitude restoration
05/02/2002	WO2002035712A2 Radio transmitters
04/2002
04/18/2002	US20020044024 SSB transmitter
04/17/2002	CN1083197C I/Q quadraphase modulator circuit
04/16/2002	US6373345 Modulator structure for a transmitter and a mobile station
04/16/2002	US6373236 Temperature compensated power detector
03/2002
03/20/2002	EP1189337A2 Balanced mixer circuit using bipolar transistors
03/06/2002	EP1183775A1 Single sideband mixer
03/05/2002	US6353735 MDG method for output signal generation
03/05/2002	CA2273671C Local oscillator leak cancellation circuit
02/2002
02/21/2002	DE10037247A1 Mischerschaltungsanordnung Mixer circuitry
02/14/2002	US20020018534 Multiplier arrangement, signal modulator and transmitter
01/2002
01/31/2002	US20020013137 Mixer circuit configuration
01/24/2002	US20020008983 Low-noise frequency converter with strong rejection of image frequency
01/10/2002	WO2002003541A2 Digitally modulated rf amplifier system having reduced intermodulation energy at rf channel edges
12/2001
12/19/2001	EP1163718A1 Method for modulating the amplitude of an antenna signal
12/06/2001	US20010049270 Testing in an RF communication system
11/2001
11/28/2001	EP0727108B1 Power supply modulator circuit for transmitter
11/27/2001	US6323739 Adjusting untrimmed VCO during operation of the oscillator
11/21/2001	EP1156635A1 Multiplier arrangement, signal modulator and transmitter
11/20/2001	US6321074 Apparatus and method for reducing oscillator frequency pulling during AM modulation
11/20/2001	US6321071 Testing in an RF communication system
11/13/2001	US6317468 IF exciter for radio transmitter
11/06/2001	US6313772 Complex carrier signal generator for determining cyclic wave shape
11/01/2001	US20010035796 Adjusting untrimmed VCO during operation of the oscillator
11/01/2001	US20010035775 Adjusting untrimmed VCO during operation of the oscillator
10/2001
10/31/2001	EP1150422A2 Adaptive compensation for carrier signal phase distortion
10/31/2001	EP1149465A1 Vestigial sideband generator particularly for digital television
10/25/2001	WO2001080418A2 Frequency converter
10/25/2001	US20010034215 Transmitter and method of generating a transmission signal
10/24/2001	EP1148636A2 RF power amplifier system having distributed modulation encoding
10/24/2001	EP1148631A1 Frequency translator with image frequency signal suppression
10/17/2001	EP0801848B1 Frequency synthesizer
10/17/2001	EP0622003B1 Multichannel television signal scrambling and descrambling system and method
10/10/2001	CN1072861C Multi-channel digital transceiver and method thereof
10/09/2001	US6300845 Low-voltage, current-folded signal modulators and methods
10/09/2001	US6300829 RF power amplifier system having inductive steering
10/07/2001	CA2343079A1 Rf power amplifier system having distributed modulation encoding
10/07/2001	CA2342417A1 Adaptive compensation for carrier signal phase
10/04/2001	US20010026196 Loop delay compensation for a digital power amplifier
10/02/2001	US6297708 Temperature compensated high performance oscillator
10/02/2001	US6297693 Techniques for synchronizing a self oscillating variable frequency modulator to an external clock
09/2001
09/26/2001	EP1137167A1 Modulator circuit
09/20/2001	WO2001069776A1 Amplitude modulation device, in particular for contact-free reader, and device therefor
09/19/2001	CN1313695A Transmitter and method for producing transmitting signals
09/13/2001	WO2001067596A1 Rf communication system using an rf digital amplifier
09/13/2001	DE10011061A1 Sender und Verfahren zum Erzeugen eines Sendesignals Transmitter and method for generating a transmit signal
09/12/2001	EP1133127A2 Transmitter, and method, for the generation of transmission signals
09/04/2001	US6285255 Adaptive compensation for carrier signal phase distortion
08/2001
08/30/2001	WO2001063743A2 Modulation circuit
08/22/2001	EP1125359A1 Method and system for down-converting an electromagnetic signal
08/22/2001	EP1125358A1 Amplitude modulator
08/14/2001	US6275688 Double balanced mixer
07/2001
07/24/2001	US6266518 Method and system for down-converting electromagnetic signals by sampling and integrating over apertures
07/21/2001	CA2330411A1 Rf power amplifier and improvements thereof
07/21/2001	CA2325826A1 Rf power amplifier system having inductive steering
07/11/2001	EP1115248A1 Method and apparatus for generating a multichannel signal
06/2001
06/27/2001	EP1110303A1 System and method for frequency up-conversion
06/19/2001	US6249559 Digital frequency phase locked loop (FPLL) for vestigial sideband (VSB) modulation transmission system
06/12/2001	US6246297 Phase and/or frequency modulated frequency synthesizer having two phase locked loops
06/05/2001	CA2182382C Multi-channel digital transceiver and method
05/2001
05/30/2001	CN1066590C Balanced modulator
05/29/2001	CA2046625C Impedance-matching coupler
05/25/2001	WO2000052817A3 Method and system for digital transmission using amplitude-modulated transmitters with modulation transformer
05/23/2001	EP0691057B1 I/q quadraphase modulator circuit
05/23/2001	CN1296666A Method and apparatus for compensating for delays in modulator loops
05/22/2001	US6236284 RF power amplifier system having distributed modulation encoding

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