Patents for H03C 1 - Amplitude modulation (2,214) |
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01/12/2006 | US20060009169 Trasmission device and adjustment method thereof |
01/12/2006 | US20060006955 Contactless IC card system |
01/12/2006 | DE10337084B4 Vorrichtung zur Erzeugung normkonformer Signale Apparatus for generating standard-compliant signals |
01/10/2006 | US6985703 Direct synthesis transmitter |
01/05/2006 | WO2006000885A1 Low current direct conversion transmitter architecture |
01/05/2006 | US20060003712 High-quality power ramping in a communications transmitter |
01/05/2006 | US20060003711 Power amplifier protection circuit and associated methods |
01/05/2006 | DE102004029932A1 Verfahren und Vorrichtung zur gleichzeitigen Kompensation von Signalfehlern in IQ-Modulatoren Method and apparatus for simultaneous compensation of signal errors in IQ modulators |
01/03/2006 | US6983024 Quadra-polar modulator |
01/03/2006 | US6982945 Baseband direct sequence spread spectrum transceiver |
01/03/2006 | US6982627 Low power regulated amplifier for a transponder |
12/29/2005 | US20050287965 Low current direct conversion transmitter architecture |
12/22/2005 | WO2005101776A3 Single and multiple sinewave modulation and demodulation techniques |
12/15/2005 | US20050277389 Circuit arrangement for a wideband mixer with predistortion and high linearity |
12/14/2005 | CN1708038A Equipment for deriving analog signal |
12/08/2005 | US20050272395 Method and circuit for down-converting a signal |
11/30/2005 | CN1229950C Vestigial sideband digital modulator |
11/23/2005 | CN1701505A Modulator and correction method thereof |
11/17/2005 | WO2005109628A1 A tuneable circuit for canceling third order modulation |
11/17/2005 | US20050255814 Apparatus and method for compensating for an offset of a power amplifier in a mobile communication system |
11/17/2005 | DE102004020816A1 Verfahren und Schaltung zur Lastmodulation in einer Verbindung aus einem Sendeschwingkreis und einem Empfangsschwingkreis Method and circuit for load modulation in a connection from a transmitting resonant circuit and a receiving resonant circuit |
11/17/2005 | DE102004019366A1 Schaltungsanordnung für einen breitbandigen Mischer mit Vorverzerrung und hoher Linearität Circuit arrangement for a broadband mixer with predistortion and high linearity |
11/17/2005 | CA2677967A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof |
11/17/2005 | CA2677963A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof |
11/17/2005 | CA2566491A1 A tuneable circuit for canceling third order modulation |
11/10/2005 | WO2005107060A2 Method and system for compensating for phase variations caused by transmitter activation |
11/10/2005 | WO2005035436A3 Mems device annealing by laser |
11/10/2005 | US20050249301 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof |
11/09/2005 | CN1695295A Device including a circuit with adjusting means for adjusting at least one characteristic signal value of a modulated signal |
11/03/2005 | US20050245208 Polar modulation transmission apparatus and radio communication apparatus |
11/03/2005 | US20050241467 Modular electronic musical keyboard instrument |
11/02/2005 | CN1691505A Plasma controller |
10/27/2005 | WO2005101776A2 Single and multiple sinewave modulation and demodulation techniques |
10/27/2005 | WO2005101678A2 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series |
10/27/2005 | US20050239420 Rf amplifier system with interface to provide a computer readable spectral depiction of the rf output |
10/27/2005 | US20050239410 Method and apparatus to reduce multipath effects on radio link control measurements |
10/27/2005 | US20050237123 Method and circuit arrangement for load modulation in a combination comprised of a transmitting and a receiving oscillator circuit |
10/27/2005 | CA2564081A1 Single and multiple sinewave modulation and demodulation techniques |
10/27/2005 | CA2562111A1 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series |
10/26/2005 | EP1589656A1 Circuit for and method of load modulation in a system comprising a transmit resonant circuit and a receive resonant circuit |
10/20/2005 | WO2005099111A1 A system and method for calibrating modules of a wide-range transceiver |
10/20/2005 | US20050233713 Method and system for compensating for phase variations caused by transmitter activation |
10/20/2005 | US20050231433 Antenna for tire pressure monitoring wheel electronic device |
10/13/2005 | US20050227655 Rectifiers and rectifying methods for use in telecommunications devices |
10/13/2005 | US20050227640 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series |
10/12/2005 | CN1223088C Method for controlling generator output |
10/06/2005 | US20050221765 System and method for calibrating modules of a wide-range transceiver |
10/06/2005 | US20050218992 Optimizing power consumption in amplifiers |
10/06/2005 | US20050218991 Bias circuit for a bipolar transistor |
10/05/2005 | EP1583224A1 Modulator and correction method thereof |
09/29/2005 | WO2005091492A1 Method and system of reducing collisions in an asynchronous communication system |
09/29/2005 | US20050215220 Amplifiers and amplifying methods for use in telecommunications devices |
09/29/2005 | US20050215207 Method and system for frequency up-conversion with a variety of transmitter configurations |
09/22/2005 | WO2005013410A9 Enhanced holographic communications apparatus and method |
09/22/2005 | US20050207383 Method and system of reducing collisions in an asynchronous communication system |
09/15/2005 | US20050202797 Methods and systems for down-converting electromagnetic signals, and applications thereof |
09/13/2005 | US6944238 Digital transmitter system and method |
09/08/2005 | US20050197076 Radio communication device and control method of amplification circuit thereof |
09/07/2005 | EP1570570A1 Binary transmitting station with direct modulation of the oscillator |
09/06/2005 | US6940936 Alternate timing signal for a vestigial sideband modulator |
09/06/2005 | US6940920 Multiplier arrangement, signal modulator and transmitter |
09/01/2005 | WO2005081399A1 Power amplifier with stabilising network |
09/01/2005 | US20050191975 Method and apparatus for a high performance and high dynamic range baseband power control system |
08/23/2005 | US6933898 Antenna for tire pressure monitoring wheel electronic device |
08/11/2005 | WO2005074124A1 Adjusting circuit |
08/11/2005 | US20050172718 Method and apparatus for tracking a resonant frequency |
08/09/2005 | US6928091 Opto-electronic oscillator including a tunable electro-optic filter |
08/09/2005 | US6927627 Amplifier power control in frequency hopping applications and methods |
08/04/2005 | US20050170794 Adjusting circuit |
08/03/2005 | EP1559190A1 Chireix architecture using low impedance amplifiers |
08/03/2005 | CN1650512A Power oscillator for control of waveshape and amplitude |
07/27/2005 | CN1647374A Improved method and apparatus for tracking a resonant frequency |
07/13/2005 | EP1553776A1 Multichannel quadrature modulation |
07/13/2005 | CN1640084A Resonant power converter for radio frequency transmission and method |
07/12/2005 | CA2298992C Temperature compensated high performance oscillator |
07/07/2005 | WO2005060596A2 A transmitter for modulation distortion compensation |
07/07/2005 | US20050146446 Keyboards |
06/30/2005 | WO2005034337A3 Amplifier power control in frequency hopping applications and methods |
06/30/2005 | US20050143788 Treatment of female fertility conditions through modulation of the autonomic nervous system |
06/29/2005 | CN1208962C Wave-carried signal generator for complex modulator |
06/23/2005 | WO2005020482A3 Thermal-mechanical signal processing |
06/23/2005 | US20050136861 Method and system for frequency up-conversion with modulation embodiments |
06/23/2005 | US20050136860 Reducing local oscillation leakage in a radio frequency transmitter |
06/23/2005 | US20050136858 Bipolar modulator |
06/16/2005 | US20050130619 Radio-frequency mixer arrangement |
06/16/2005 | US20050130609 Transmitter circuit and method for modulation distortion compensation |
06/07/2005 | US6903619 Electromagnetic wave transmitter systems, methods and articles of manufacture |
05/25/2005 | DE10351606B3 High frequency mixer arrangement, e.g. for use in vector modulation, has capacitance(s) in feedback path between differential amplifier output, input of operational amplifier, which is configured as anti-aliasing filter |
05/18/2005 | EP1488587A4 Resonant power converter for radio frequency transmission and method |
05/18/2005 | EP1451648A4 Envelope modulator for haptic feedback devices |
05/12/2005 | US20050100077 Multipath-adapted holographic communications apparatus and methods |
05/11/2005 | CN1614877A RF mixing device |
05/10/2005 | US6892061 Mixer circuit configuration |
05/06/2005 | WO2005020434A3 Shell type actuator |
05/03/2005 | US6889087 Switched reactance modulated E-class oscillator design |
04/28/2005 | US20050090203 Device for the production of standard-compliant signals |
04/21/2005 | WO2005035436A2 Mems device annealing by laser |
04/14/2005 | WO2005034337A2 Amplifier power control in frequency hopping applications and methods |
04/07/2005 | US20050074073 Direct digital amplitude modulator |
04/05/2005 | US6876265 System and method for using a saw based RF transmitter for AM modulated transmission in a TPM |