H03C 5 - Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal

Patents for H03C 5 - Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal (621)
07/2000
07/27/2000	WO2000044143A1 Correction of amplitude and phase imbalance in psk receivers
07/18/2000	US6091303 Method and apparatus for reducing oscillator noise by noise-feedforward
07/13/2000	WO2000041296A1 Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
06/2000
06/15/2000	WO2000035080A1 Amplitude modulation to phase modulation cancellation method in an rf amplifier
05/2000
05/25/2000	WO2000030250A1 Circuit and method for linearizing amplitude modulation in a power amplifier
05/25/2000	WO2000030245A1 Circuit and method for i/q modulation with independent, high efficiency amplitude modulation
05/25/2000	CA2351685A1 Circuit and method for i/q modulation with independent, high efficiency amplitude modulation
04/2000
04/27/2000	WO2000024120A1 Method and system for ensuring reception of a communications signal
04/13/2000	WO2000021191A1 Method and apparatus for generating a linearly modulated signal using polar modulation
03/2000
03/29/2000	EP0988088A1 System and method for ventricular defibrillation
03/28/2000	US6043707 Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
03/16/2000	WO2000014867A1 Device for generating an amplitude-modulated signal
01/2000
01/18/2000	US6016304 RF phase and/or amplitude control device
12/1999
12/29/1999	CN1047896C Power amplifier having nested amplitude modulation controller and phase modulation controller
12/21/1999	US6005894 AM-compatible digital broadcasting method and system
12/07/1999	US5999300 Hybrid single sideband optical modulator
11/1999
11/10/1999	CN1234922A Low distortion power amplifier
10/1999
10/28/1999	WO1999055087A1 Expanded information capacity for existing communication transmission systems
10/27/1999	CN1233361A Data-transmission circuit with a station and a response circuit
10/19/1999	US5970086 Radio remote interface for modulating/demodulating data in a digital communication system
08/1999
08/24/1999	US5943345 AM multiplexing broadcast apparatus
08/04/1999	EP0932944A1 Data-transmission circuit with a station and a response circuit
03/1999
03/23/1999	US5886572 Method and apparatus for reducing distortion in a power amplifier
02/1999
02/04/1999	WO1999005783A1 Low distortion power amplifier
02/04/1999	CA2266739A1 Low distortion power amplifier
12/1998
12/03/1998	WO1998053879A1 System and method for ventricular defibrillation
12/03/1998	CA2291039A1 System and method for ventricular defibrillation
11/1998
11/17/1998	US5838210 Method and apparatus for generating a modulated signal
09/1998
09/30/1998	CN1194525A Amplitude-modulation multi-way broadcasting device
09/23/1998	EP0746260A4 Protection of living systems from electromagnetic fields
06/1998
06/16/1998	US5767750 Modulator
04/1998
04/23/1998	WO1998017014A1 Data-transmission circuit with a station and a response circuit
04/23/1998	DE19642568A1 Datenübertragungsschaltung mit einer Station und mit einer Antwortschaltung Data transmission circuit with a station and a response circuit
02/1998
02/11/1998	EP0823747A2 RF phase and/or amplitude control device
02/03/1998	US5714916 Modulator
12/1997
12/02/1997	US5694093 Wideband IQ modulator with RC/CR automatic quadrature network
11/1997
11/19/1997	EP0436704B1 Modulator circuit
10/1997
10/08/1997	CN1161601A Frequency modulation and amplitude modulation repeated modulation theory
07/1997
07/01/1997	US5644260 RC/CR automatic quadrature network
05/1997
05/21/1997	CN1150504A Linear microwave power amplifier with supply power injection controlled by modulation envelope
04/1997
04/02/1997	CN1146835A Method and apparatus for AM compatible digital broadcasting
03/1997
03/26/1997	EP0764362A1 Linear microwave power amplifier with supply power injection controlled by the modulation envelope
01/1997
01/07/1997	US5592131 System and method for modulating a carrier frequency
12/1996
12/27/1996	EP0749650A1 Method and apparatus for am compatible digital broadcasting
12/24/1996	US5588022 Method and apparatus for AM compatible digital broadcasting
12/11/1996	EP0746260A1 Protection of living systems from electromagnetic fields
08/1996
08/14/1996	EP0694228A4 Balanced modulator-transmitter
07/1996
07/09/1996	US5534827 Modulator
06/1996
06/19/1996	EP0717491A2 High precision, low phase noise synthesizer with vector modulator
05/1996
05/01/1996	CN1121752A Power amplifier having nested amplitude modulation controller and phase modulation controller
04/1996
04/24/1996	CN1121383A Balanced modulator-transmitter
01/1996
01/31/1996	EP0694228A1 Balanced modulator-transmitter
12/1995
12/14/1995	WO1995034128A1 Linear microwave power amplifier with supply power injection controlled by the modulation envelope
11/1995
11/21/1995	US5469127 For providing a high power level signal
11/02/1995	WO1995005128A1 Protection of living systems from electromagnetic fields
09/1995
09/14/1995	WO1995024781A1 Method and apparatus for am compatible digital broadcasting
09/12/1995	US5450044 Quadrature amplitude modulator including a digital amplitude modulator as a component thereof
08/1995
08/31/1995	WO1995023453A1 Power amplifier having nested amplitude modulation controller and phase modulation controller
07/1995
07/04/1995	US5430416 Power amplifier having nested amplitude modulation controller and phase modulation controller
05/1995
05/30/1995	US5420536 Linearized power amplifier
05/16/1995	US5415181 AM/FM multi-channel implantable/ingestible biomedical monitoring telemetry system
03/1995
03/23/1995	DE4420376A1 Modulator Modulator
01/1995
01/05/1995	WO1995000859A1 System and method for modulating a carrier frequency
12/1994
12/18/1994	CA2120077A1 System and method for modulating a carrier frequency
11/1994
11/15/1994	US5365187 Power amplifier utilizing the vector addition of two constant envelope carriers
10/1994
10/27/1994	WO1994024759A1 Balanced modulator-transmitter
10/27/1994	CA2160592A1 Balanced modulator-transmitter
07/1994
07/12/1994	US5329260 Numerically-controlled modulated oscillator and modulation method
03/1994
03/23/1994	EP0588444A1 Modulation system capable of accurately compensating for nonlinearities of an amplifier connected thereto
01/1994
01/12/1994	EP0577687A1 Identification apparatus and method
10/1993
10/26/1993	CA1323671C Vector modulation signal generator
07/1993
07/20/1993	CA1320604C Transmitter circuit for efficiently transmitting communication traffic via phase modulated carrier signals
06/1993
06/29/1993	US5224119 Vector FM modulator
03/1993
03/16/1993	US5194823 Modulation means for an rf power amplifier
10/1992
10/13/1992	US5155455 Am/fm modulator in which am can be converted to fm by vector addition
10/07/1992	EP0507525A1 Radio frequency modulators
09/1992
09/29/1992	WO1992017947A1 Identification apparatus and method
09/29/1992	CA2103910A1 Identification apparatus and method
09/15/1992	CA1307560C Method of generating an amplitude-modulated isb transmission signaland apparatus for carrying out the method
06/1992
06/10/1992	EP0489276A1 Modulation device for a high-frequency power amplifier
04/1992
04/01/1992	EP0478265A1 Phase based vector modulator
03/1992
03/03/1992	US5093636 Phase based vector modulator
01/1992
01/07/1992	US5079525 Audio-video modulator system on ic chip
07/1991
07/17/1991	EP0436704A1 Modulator circuit
06/1991
06/12/1991	EP0432052A2 RF modulator
03/1991
03/27/1991	EP0418775A1 Phase and amplitude modulation circuit
03/27/1991	CN1012248B Method of generating amplitude-modulated isb transmission signal and apparatus for carrying out method
02/1991
02/21/1991	WO1991002404A1 Modulator circuit
01/1991
01/15/1991	US4985688 Modulation system capable of accurately compensating for nonlinearities of an amplifier connected thereto
11/1990
11/20/1990	US4972440 Transmitter circuit for efficiently transmitting communication traffic via phase modulated carrier signals
09/1990
09/04/1990	US4955072 Method of generating an amplitude-modulated ISB transmission signal and apparatus for carrying out the method
07/1990
07/11/1990	EP0377519A2 Modulation system capable of accurately compensating for nonlinearities of an amplifier connected thereto
04/1990
04/11/1990	CN1041251A Method of generating amplitude-modulated isb transmission signal and apparatus for carrying out method
04/04/1990	EP0360990A1 Method for generating an amplitude-modulated ISB signal, and device for carrying out the method
03/1990
03/28/1990	EP0360178A2 Transmitter circuit for efficiently transmitting communication traffic via phase modulated carrier signals
09/1989
09/05/1989	US4864591 Facsimile signal modulation detector
06/1989
06/27/1989	US4843351 Vector modulation signal generator
05/1989
05/10/1989	EP0167531B1 Packetized ensemble modem
03/1989
03/01/1989	EP0305164A2 Vector modulation signal generator
11/1988
11/24/1988	DE3716054A1 Modulator

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