| Patents for H03C 1 - Amplitude modulation (2,214) |
|---|
| 05/03/2011 | US7936022 Method and circuit for down-converting a signal |
| 04/26/2011 | US7933567 Method and apparatus for achieving linear monotonic output power |
| 04/26/2011 | US7933566 Cordless phone detection in 2.4 GHz for interference mitigation |
| 04/26/2011 | US7932791 Signal modulation device and signal amplifier cooperative therewith |
| 04/19/2011 | US7929927 Adaptive pre-distortion with interference detection and mitigation |
| 04/13/2011 | CN102017397A Charge pump converter and method therefor |
| 04/12/2011 | US7925228 Method and system for calibrating quadrature modulators |
| 04/12/2011 | US7924936 System and method for wave damping |
| 03/31/2011 | US20110074518 Quadrature amplitude modulator and quadrature amplitude modulation method |
| 03/23/2011 | EP2299642A2 A method meeting the spectral mask in a radiofrequency identification system and a device therefor |
| 03/23/2011 | CN101989834A Technology of amplitude-adjustable signal generator based on direct digital frequency synthesis (DDS) |
| 03/16/2011 | CN101478287B Carrier leakage adaptive elimination system in direct frequency conversion modulation |
| 03/15/2011 | US7907029 Modulator |
| 03/08/2011 | US7904354 Web based auto bill analysis method |
| 03/08/2011 | US7904035 Calibration system and method in a communications device |
| 03/08/2011 | US7904021 Selecting carriers for modulating signals in a communication network |
| 03/08/2011 | US7903757 Multi-tone transmission |
| 03/03/2011 | US20110050336 Multi-chip stack structure and signal transmission method thereof |
| 03/01/2011 | US7898351 Modulation circuit, modulation method, program and communication apparatus |
| 02/24/2011 | US20110043296 Single side band mixer and local oscillator having the same |
| 02/22/2011 | US7894549 VSB transmission system |
| 02/22/2011 | US7893787 DC offset cancellation circuit for modulator using 1-bit signal conversion |
| 02/15/2011 | US7890065 Temperature compensated power detector |
| 02/10/2011 | US20110033193 Modulation method, modulation program, recording medium, modulation device, and optical transmitter |
| 02/08/2011 | US7885694 Mobile communication terminal with data scrolling feature |
| 02/08/2011 | US7884681 Radio frequency power amplifier improvements using pre-distortion of an amplitude modulation power supply |
| 01/26/2011 | CN201726359U Digital signal amplitude modulating circuit |
| 01/25/2011 | US7876852 Modulator device for generating an optical transfer signal modulated by binary signal |
| 01/25/2011 | US7876169 Modulating circuit |
| 01/20/2011 | WO2011007481A1 Amplitude modulator |
| 01/12/2011 | EP2272100A2 System and method of modulating electrical signals using photoconductive wide bandgap semiconductors as variable resistors |
| 01/11/2011 | US7868698 Power amplifier with stabilising network |
| 01/04/2011 | US7865209 Method for controlling transmission power of a physical random access channel |
| 01/04/2011 | US7865147 System for testing an embedded wireless transceiver |
| 01/04/2011 | US7864882 Method and apparatus for generating constant envelope modulation using a quadrature transmitter |
| 12/30/2010 | US20100327988 Reducing the distortion of applied modulation |
| 12/23/2010 | US20100321127 Test apparatus for digital modulated signal |
| 12/22/2010 | CN101015120B Thermal-mechanical signal processing |
| 12/21/2010 | US7855604 Protection circuit and method for RF power amplifiers in WLAN transceivers |
| 12/09/2010 | US20100311329 Method and system for obtaining maximum gain of a passive upconversion mixer utilized in a transmitter |
| 12/08/2010 | CN101911488A Signal modulation circuit |
| 12/02/2010 | US20100301961 Phase locked loop |
| 11/30/2010 | US7844280 Location of wideband OFDM transmitters with limited receiver bandwidth |
| 11/25/2010 | US20100297965 Amplitude modulation controller for polar transmitter |
| 11/24/2010 | CN101895256A Digital signal amplitude modulation circuit |
| 11/23/2010 | US7840077 E8-VSB reception system, apparatus for generating data attribute and method thereof, and apparatus for channel encoding and method thereof |
| 11/18/2010 | US20100289594 Modulator driver circuit having chirped components |
| 11/16/2010 | US7835704 Method for generating test signal for testing accuracy of carrier to interference plus noise ratio measurement of subscriber station through base station emulator |
| 11/09/2010 | US7831219 Matching network |
| 11/09/2010 | US7830213 Signal generator, signal generation method, and RF communication system using the same |
| 11/04/2010 | US20100279633 Method and system for measuring and optimizing integrated antenna performance |
| 11/04/2010 | US20100277208 Method and apparatus for generating rf waveforms having aggregate energy with desired spectral characteristics |
| 11/02/2010 | US7826561 Single sideband voice signal tuning method |
| 11/02/2010 | US7826549 Wireless communication transmitter and system having the same |
| 10/21/2010 | WO2010120252A1 Method and circuit for amplitude modulation of a carrier signal with a specified modulation factor |
| 10/21/2010 | US20100265043 Amplitude modulator |
| 10/12/2010 | US7812502 Shell type actuator |
| 10/06/2010 | EP2235559A1 Monostatic multibeam radar sensor device for motor vehicle |
| 10/05/2010 | US7809335 Dynamic logging control for a wireless device |
| 09/28/2010 | US7805115 Variable filter systems and methods for enhanced data rate communication systems |
| 09/28/2010 | US7804916 Detector for detecting a frequency-shift keying signal by digital processing |
| 09/15/2010 | EP2228963A2 Quadrature modulator which employs four 90-degrees-shifted carriers |
| 09/14/2010 | US7797560 System and method for integrated temperature measurement in power over Ethernet applications |
| 09/08/2010 | CN101826841A Amplitude modulation and demodulation method and implementation thereof |
| 09/07/2010 | US7792502 Method and system for measuring and optimizing integrated antenna performance |
| 09/07/2010 | US7792210 Method for modulating UWB pulse sequences |
| 08/31/2010 | US7787876 Method and system for mobile call testing using contactless ring detection |
| 08/24/2010 | US7783267 Modifying a signal in response to quality indicator availability |
| 08/18/2010 | EP2218173A2 Amplitude modulation controller for polar transmitter using coarse and fine power control |
| 08/10/2010 | US7773695 Amplitude modulator |
| 07/29/2010 | US20100190456 Adaptive Antenna Transmission and Antenna Calibration |
| 07/29/2010 | US20100188014 Modulator module in an integrated circuit device |
| 07/07/2010 | EP1509996B1 Step-up frequency converter |
| 07/06/2010 | US7751784 Method of protecting power amplifiers |
| 07/06/2010 | US7751783 Power amplifier protection circuit and associated methods |
| 07/06/2010 | US7751368 Providing CQI feedback to a transmitter station in a closed-loop MIMO system |
| 06/29/2010 | US7746802 Method and apparatus for channel state feedback using arithmetic coding |
| 06/23/2010 | CN101753101A Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter |
| 06/17/2010 | WO2010038166A3 Direct modulation and demodulation with acoustic wave devices |
| 06/16/2010 | CN1698263B Method and apparatus of compensating imbalance of a modulator |
| 06/16/2010 | CN1581878B Device for producing signal in accordance with standard |
| 06/16/2010 | CN101743687A Electric fence energiser |
| 06/10/2010 | US20100144691 Treatment of Female Fertility Conditions Through Modulation of the Autonomic Nervous System |
| 06/10/2010 | DE10307295B4 Antenne einer elektronischen Vorrichtung zur Reifendrucküberwachung Antenna of an electronic device for monitoring tire pressure |
| 06/08/2010 | US7734261 Calibrating amplitude and phase imbalance and DC offset of an analog I/Q modulator in a high-frequency transmitter |
| 06/08/2010 | US7733980 Quadrature modulation circuits and systems supporting multiple modulation modes at gigabit data rates |
| 06/03/2010 | US20100134199 Apparatus and method for producing signals coded with amplitude shift keying |
| 06/03/2010 | US20100134198 Method for the production of a digitally modulated high-frequency signal |
| 06/02/2010 | DE102005010904B4 Spannungsregelschaltung und Verfahren zum Versorgen eines elektrischen Bauelements mit einer Versorgungsspannung Voltage control circuit and method for powering an electrical device to a supply voltage |
| 06/01/2010 | US7728691 Modulator for radio-frequency signals |
| 05/25/2010 | US7724309 Multichannel quadrature modulation |
| 05/18/2010 | US7720447 Radiofrequency (RF) and/or microwave power amplification device and corresponding radiocommunication terminal |
| 05/14/2010 | WO2010054046A1 Radio frequency modulator |
| 05/11/2010 | US7715836 Direct-conversion transceiver enabling digital calibration |
| 05/06/2010 | US20100109789 Radio frequency amplifier with digital amplitude modulation and method for controlling the delivering of power |
| 05/05/2010 | CN1871745B Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
| 05/04/2010 | US7711336 Single sideband mixer and method of extracting single sideband signal |
| 05/04/2010 | US7711332 Methods and devices for the suppression of harmonics |
| 05/04/2010 | US7710185 Tuneable circuit for canceling third order modulation |
| 04/28/2010 | CN1708038B Equipment for deriving analog signal |