| Patents for H03C 1 - Amplitude modulation (2,214) |
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| 03/27/2012 | US8145152 Gain temperature compensation circuit |
| 03/20/2012 | US8139679 System and method for controlling modulation |
| 03/20/2012 | US8138825 Multi-chip stack structure and signal transmission method thereof |
| 03/15/2012 | US20120065714 Radiofrequency hyperthermia device with target feedback signal modulation |
| 03/13/2012 | USRE43242 Communication system, interrogators and communication methods |
| 03/13/2012 | US8134945 Apparatus and method for increasing cell capacity through optional signal combining between relay stations in a cellular system using wired relay stations |
| 03/08/2012 | US20120058741 Thermal-mechanical signal processing |
| 03/07/2012 | CN101635785B Digital broadcasting transmission/reception capable of improving receiving performance and signal processing method thereof |
| 03/01/2012 | WO2012025796A1 Method and apparatus for direct digital synthesis of signals using taylor series expansion |
| 02/28/2012 | US8126409 Adaptive delay alignment in polar transmitters |
| 02/28/2012 | US8126394 Purposeful receive-path audio degradation for providing feedback about transmit-path signal quality |
| 02/28/2012 | US8125288 Method for modulating a signal |
| 02/22/2012 | EP2419857A1 Method and circuit for amplitude modulation of a carrier signal with a specified modulation factor |
| 02/21/2012 | US8121690 Treatment of female fertility conditions through modulation of the autonomic nervous system |
| 02/21/2012 | US8121213 Modulation device, demodulation device, modulation method and demodulation method |
| 02/14/2012 | US8116703 Wireless transmitter calibration using device receiver |
| 02/14/2012 | US8116702 Transmission over a multiple input multiple output broadcast channel (MIMO-BC) |
| 02/14/2012 | US8116400 Apparatus for adapting reception modes of a mobile DTV receiver in response to signaling |
| 02/08/2012 | CN101199111B 具有脉宽调制rf激励的数字调幅发射器 Rf excitation with a pulse width modulation digital AM transmitter |
| 02/01/2012 | EP1650919B1 Modulation device, demodulation device, modulation method, and demodulation method |
| 01/31/2012 | US8106720 Polar modulation apparatus and method with common-mode control |
| 01/31/2012 | US8106713 Power amplifier with stabilising network |
| 01/26/2012 | US20120020390 Angle modulator, transmission device, and wireless communication device |
| 01/18/2012 | CN202121548U Device for modulating high-frequency signals with ultralow frequency pulses |
| 01/17/2012 | US8099055 Method and device for managing signal measurements in a wireless network |
| 01/17/2012 | US8098694 Method of processing traffic information and digital broadcast system |
| 01/12/2012 | US20120007687 Digital Amplitude Modulation |
| 01/10/2012 | US8095085 Automatic antenna tuning unit for software-defined and cognitive radio |
| 01/05/2012 | US20120002708 Device method and system for transmission and reception of data |
| 01/03/2012 | US8090330 System having a filter |
| 12/27/2011 | US8085872 Transmitting apparatus with bit arrangement method |
| 12/13/2011 | US8078139 Wireless data communications network system for tracking container |
| 12/07/2011 | EP1665462B1 Amplifier power control in frequency hopping applications and methods |
| 12/06/2011 | US8073406 Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter |
| 12/06/2011 | US8072117 Thermal-mechanical signal processing |
| 11/29/2011 | US8068807 System for supplying container security |
| 11/22/2011 | US8064540 Amplitude modulator |
| 11/17/2011 | US20110280340 Frequency Synthesis |
| 11/17/2011 | US20110280334 Digital amplitude modulator and polar transmitter using thereof |
| 11/16/2011 | EP2218173B1 Amplitude modulation controller for polar transmitter using coarse and fine power control |
| 11/15/2011 | US8060037 Circuit and method of calibrating direct current offset in wireless communication device |
| 11/15/2011 | US8060036 Wireless terminal device and method of establishing communication connection with an access point |
| 11/15/2011 | US8060026 System and method for calibrating a transceiver |
| 11/08/2011 | US8055205 Assessing the performance of radio devices |
| 11/08/2011 | US8054906 Digital broadcasting system and data processing method |
| 11/02/2011 | CN101325398B Modulation circuit |
| 10/18/2011 | US8040924 Method of processing traffic information and digital broadcast system |
| 10/13/2011 | CA2735695A1 Measurement of system time delay |
| 10/12/2011 | CN101753101B Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter |
| 10/11/2011 | US8036308 Method and system for a wideband polar transmitter |
| 09/27/2011 | USRE42751 Communication system, interrogators and communication methods |
| 09/27/2011 | US8027408 ASK modulator |
| 09/27/2011 | US8027369 Method of processing traffic information and digital broadcast system |
| 09/20/2011 | US8024145 Method and system for signal generation via a temperature sensing crystal integrated circuit |
| 09/15/2011 | WO2011111049A1 Method for real time specific absorption rate estimation in mobile devices |
| 09/13/2011 | US8018978 Method of processing traffic information and digital broadcast system |
| 09/13/2011 | US8018977 Method of processing traffic information and digital broadcast system |
| 09/13/2011 | US8018976 Method of processing traffic information and digital broadcast system |
| 08/30/2011 | US8010064 Systems and methods for transmitter calibration |
| 08/23/2011 | US8005442 Wireless network connection system and method using injection locked oscillators |
| 08/23/2011 | US8005304 E8-VSB reception system, apparatus for generating data attribute and method thereof, and apparatus for channel encoding and method thereof |
| 08/23/2011 | US8004368 Radio frequency amplifier with digital amplitude modulation and method for controlling the delivering of power |
| 08/18/2011 | WO2011100389A1 Phase accumulator generating reference phase for phase coherent direct digital synthesis outputs |
| 08/18/2011 | DE102005034878B4 Wahlschalter, Hochfrequenz-Sende-/Empfangsvorrichtung, Radarvorrichtung, mit der Radarvorrichtung ausgestattetes Fahrzeug und kleines Schiff Selector switch, high-frequency transmitting / receiving apparatus, radar apparatus, equipped with the radar device vehicle and small ship |
| 08/11/2011 | US20110195677 Stacked CMOS power amplifier and RF coupler devices and related methods |
| 08/09/2011 | US7995674 Digital predistortion transmitter |
| 08/03/2011 | EP2351207A1 Radio frequency modulator |
| 08/02/2011 | US7991366 Methods and apparatus for reconstructing amplitude modulation signals in polar modulation transmitters |
| 07/28/2011 | US20110183640 Method and System for Down-Converting an Electromagnetic Signal, and Transforms for Same, and Aperture Relationships |
| 07/28/2011 | US20110183636 Radio frequency transmitter having an amplifier with power supply modulation |
| 07/26/2011 | US7986925 Techniques for calibrating a transceiver of a communication device |
| 07/26/2011 | US7986653 Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information |
| 07/20/2011 | EP2345218A1 Methods and systems for programmable digital up-conversion |
| 07/19/2011 | US7983620 Information processing apparatus and communication apparatus |
| 07/19/2011 | US7983222 Wireless channel selection techniques and devices |
| 07/12/2011 | US7979036 Fully integrated ultra wideband transmitter circuits and systems |
| 07/05/2011 | US7974595 Methodology for assessing degradation due to radio frequency excitation of transistors |
| 07/05/2011 | US7974594 Method for checking connectivity between base station controller and mobile switching center |
| 06/28/2011 | US7970361 Frequency band recognition methods and apparatus |
| 06/28/2011 | US7969254 I/Q impairment calibration using a spectrum analyzer |
| 06/23/2011 | US20110151821 Methods and Systems for Down-Converting a Signal Using a Complementary Transistor Structure |
| 06/22/2011 | CN1691505B Plasma power generator |
| 06/21/2011 | US7965991 Phase calibration for multiple transmitter systems |
| 06/16/2011 | US20110142168 Transmitting apparatus with bit arrangement method |
| 06/14/2011 | USRE42447 Chireix architecture using low impedance amplifiers |
| 06/09/2011 | US20110134274 Camera, encoder, and modulator in same enclosure |
| 06/08/2011 | CN101425778B Integrated controlled signal processor and application thereof |
| 05/26/2011 | US20110121911 Modulation circuit and semiconductor device including the same |
| 05/24/2011 | US7949071 Signal processing system and information storage medium |
| 05/12/2011 | US20110110462 Digital broadcasting system and method of processing data in digital broadcasting system |
| 05/12/2011 | US20110109391 Power Amplifier with Stabilising Network |
| 05/10/2011 | US7941108 Method and system for automatically identifying wireless signal quality of a region |
| 05/10/2011 | US7941107 High linearity, high efficiency power amplifier with DSP assisted linearity optimization |
| 05/10/2011 | US7940859 Transmission circuit and communication device |
| 05/05/2011 | US20110102095 Mems resonator for filtering and mixing |
| 05/05/2011 | US20110102094 Method and apparatus for resonant frequency waveform modulation |
| 05/04/2011 | CN102047443A System and method of modulating electrical signals using photoconductive wide bandgap semiconductors as variable resistors |
| 05/03/2011 | US7937059 Converting an electromagnetic signal via sub-sampling |
| 05/03/2011 | US7937050 Built-in testing signal wireless communication apparatus and testing method thereof |
| 05/03/2011 | US7936229 Local oscillator incorporating phase command exception handling utilizing a quadrature switch |