| Patents for H03C 1 - Amplitude modulation (2,214) |
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| 06/13/2007 | EP1795018A2 Remote management and analysis techniques in cellular and satellite radio networks |
| 06/13/2007 | CN2912113Y Dual-sideband modulation circuit |
| 06/12/2007 | US7230993 Method and apparatus for modulation using an at least four-dimensional signal constellation |
| 06/07/2007 | WO2007065165A2 Hybrid digital digital/analog fm multiplexer/transmitter |
| 05/29/2007 | US7224748 Method for reducing out-of-band and spurious emissions of AM transmitters in digital operation |
| 05/29/2007 | US7224237 Modulator and correction method thereof |
| 05/24/2007 | US20070117526 Modeling power amplifier and spreading code limits in a wireless system |
| 05/17/2007 | US20070109656 MEMS device annealing |
| 05/16/2007 | EP1784993A2 Separation of am cochannel signals in an overloaded signal environment |
| 05/16/2007 | EP0885510B1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 05/15/2007 | US7218907 Method and circuit for down-converting a signal |
| 05/15/2007 | US7218898 Apparatus and method for frequency generation in mobile communication system |
| 05/15/2007 | US7218163 Radio-frequency mixer arrangement |
| 05/10/2007 | US20070105510 Apparatus and method for communicating an input signal in polar representation |
| 05/10/2007 | US20070105509 RF transmission leakage mitigator, method of mitigating an RF transmission leakage and CDMA tranceiver employing the same |
| 05/09/2007 | EP1488587B1 Resonant power converter for radio frequency transmission and method |
| 05/01/2007 | US7212815 Quality evaluation method |
| 05/01/2007 | US7212787 Wireless audio transmission system |
| 04/25/2007 | EP1776777A2 A transmit system employing an antenna and balanced amplifier architecture which provides power amplifier load balancing independent of single or dual signal operation of the transmitter |
| 04/25/2007 | EP1776755A1 Low current direct conversion transmitter architecture |
| 04/25/2007 | EP1776753A1 System and method for current-mode amplitude modulation |
| 04/24/2007 | US7209721 Single sideband mixer and method of extracting single sideband signal |
| 04/19/2007 | WO2007025993A3 Method and device for controlling peak power and pulse width of a broadband gaussian pulse high-power rf transmitter |
| 04/19/2007 | US20070087705 Clipping circuit and radio transmitter using the same |
| 04/19/2007 | US20070087699 System and method for transmitting a signal between integrated circuits |
| 04/18/2007 | CN1951114A Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof |
| 04/18/2007 | CN1951007A Shell type actuator |
| 04/12/2007 | WO2006127808A3 Transmitter apparatus with adaptive power and phase for cdma applications |
| 04/12/2007 | WO2006026486A3 Separation of am cochannel signals in an overloaded signal environment |
| 04/11/2007 | EP1125358B1 Amplitude modulator |
| 04/05/2007 | WO2005060596B1 A transmitter for modulation distortion compensation |
| 04/04/2007 | CN1943198A Single and multiple sinewave modulation and demodulation techniques |
| 03/29/2007 | US20070072562 Wireless communication module, wireless communication apparatus having wireless communication module, and control method thereof |
| 03/28/2007 | EP1451648B1 Envelope modulator for haptic feedback devices |
| 03/27/2007 | US7197318 Method and network element for controlling handover |
| 03/22/2007 | WO2007004001A3 Method and apparatus for generating m-ary cpm waveforms from a superposition of pam waveforms |
| 03/22/2007 | US20070066249 Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment |
| 03/20/2007 | US7194246 Methods and systems for down-converting a signal using a complementary transistor structure |
| 03/15/2007 | US20070058749 Modulator |
| 03/08/2007 | WO2007025993A2 Method and device for controlling peak power and pulse width of a broadband gaussian pulse high-power rf transmitter |
| 03/08/2007 | US20070054633 Data transmission scheme in wireless communication system |
| 03/06/2007 | US7187914 Rectifiers and rectifying methods for use in telecommunications devices |
| 03/01/2007 | WO2006057649A3 Direct conversion delta-sigma transmitter |
| 02/28/2007 | EP1757054A2 Single and multiple sinewave modulation and demodulation techniques employing carrier-zero and carrier-peak data-word start and stop |
| 02/27/2007 | US7184721 Transmit power control in a wireless communication device |
| 02/22/2007 | WO2007020714A1 Dc offset cancellation circuit for modulator using 1-bit signal conversion |
| 02/20/2007 | US7181176 Closed loop transmit diversity of point to multipoint physical channels |
| 02/14/2007 | EP1751853A1 A tuneable circuit for canceling third order modulation |
| 02/14/2007 | CN1914792A 调整电路 Adjustment circuit |
| 02/08/2007 | US20070030088 Magnetron having a transparent cathode and related methods of generating high power microwaves |
| 02/06/2007 | US7174140 RF system integrated with RF switch and RF modulation |
| 02/01/2007 | DE102005034440A1 Amplifier arrangement for use in polar transmitter, has DC converter releasing supply potential into connector of amplifier stage, and digital-analog converter converting amplitude modulation word into analog signal for controlling stage |
| 01/30/2007 | US7170950 DRM/AM simulcast |
| 01/25/2007 | WO2005060596A3 A transmitter for modulation distortion compensation |
| 01/23/2007 | US7167692 High frequency peak detector and applications thereof |
| 01/16/2007 | US7164328 Direct digital amplitude modulator |
| 01/11/2007 | WO2007004001A2 Method and apparatus for generating m-ary cpm waveforms from a superposition of pam waveforms |
| 01/11/2007 | WO2005029742A3 Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
| 01/11/2007 | US20070010216 VSWR measurement device |
| 01/10/2007 | EP1741203A2 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 |
| 01/10/2007 | CN1894874A Radio device |
| 01/04/2007 | DE102006030409A1 System und Verfahren zur Übermittlung von Signalen System and method for transmitting signals |
| 01/03/2007 | EP1478145B1 Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus |
| 01/02/2007 | US7157867 Operating method, electronic ballast and system for resonant operation of high pressure lamps in the longitudinal mode |
| 12/26/2006 | US7155167 Wireless LAN monitoring device |
| 12/26/2006 | US7154414 System and method for remote tire pressure monitoring |
| 12/21/2006 | US20060286953 Signal measuring device |
| 12/19/2006 | US7151806 Time code signal transmitting method and time code signal transmitting apparatus |
| 12/13/2006 | CN1290361C Two-stage up-conversion modulator |
| 12/06/2006 | EP1728318A1 Method and system of reducing collisions in an asynchronous communication system |
| 12/05/2006 | US7146139 System and method for reducing SAR values |
| 11/30/2006 | WO2006127058A2 Power line communications interface and surge protector |
| 11/30/2006 | US20060269012 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 11/29/2006 | CN1871745A Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
| 11/23/2006 | US20060264186 Transmitter |
| 11/23/2006 | US20060262881 Power line communications interface and surge protector |
| 11/21/2006 | US7139538 Electronic component for amplifying high frequency power and radio communication system |
| 11/21/2006 | US7139530 Method and apparatus for calibrating a reference oscillator |
| 11/16/2006 | WO2006121946A2 Amplitude calibration element for an enhanced data rates for gsm evolution (edge) polar loop transmitter |
| 11/16/2006 | US20060258306 Amplitude calibration element for an enhanced data rates for GSM evolution (EDGE) polar loop transmitter |
| 11/14/2006 | CA2298927C Aparatus and method for reducing oscillator frequency pulling during am modulation |
| 11/09/2006 | WO2005089427A3 A method and apparatus for canceling the transmitted signal |
| 11/09/2006 | US20060252392 Internal calibration system for a radio frequency (RF) transmitter |
| 11/09/2006 | US20060252389 System, apparatus and method of varying channel bandwidth |
| 11/09/2006 | US20060252388 Digital amplitude modulation transmitter with pulse width modulating RF drive |
| 11/09/2006 | US20060252387 Distributed data transmitter |
| 11/08/2006 | CN1860693A Frequency selective transmit signalweighting for multiple antenna communications systems |
| 11/07/2006 | US7133655 Amplifiers and amplifying methods for use in telecommunications devices |
| 11/02/2006 | WO2006115707A2 Internal calibration system for a radio frequency (rf) transmitter |
| 11/02/2006 | WO2006115426A1 Method for controlling biological processes and a device for carrying out said method |
| 11/02/2006 | WO2006019611A3 A transmit system employing an antenna and balanced amplifier architecture which provides power amplifier load balancing independent of single or dual signal operation of the transmitter |
| 11/02/2006 | US20060246856 Transmitter apparatus |
| 11/02/2006 | US20060246843 Method and arrangement for testing a radio device |
| 11/01/2006 | CN1856900A Amplifier power control in frequency hopping applications and methods |
| 11/01/2006 | CN1855695A Analogue multiplier |
| 10/31/2006 | US7130589 Self-calibrating apparatus and method in a mobile transceiver |
| 10/26/2006 | WO2006113030A2 A digital amplitude modulation transmitter with pulse width modulating rf drive |
| 10/26/2006 | US20060239635 Shell type actuator |
| 10/26/2006 | US20060238239 Thermal-mechanical signal processing |
| 10/25/2006 | EP1714381A1 Power amplifier with stabilising network |