| Patents for H03C 3 - Angle modulation (3,926) |
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| 08/07/2012 | US8238264 Hierarchical data collection network supporting packetized voice communication among wireless terminals and telephones |
| 08/02/2012 | US20120194289 Frequency modulation feedback system |
| 07/31/2012 | US8233854 Polar modulator and method for generating a polar-modulated signal |
| 07/31/2012 | US8233564 Method and apparatus for increasing the channel capacity of a bandwidth limited communications path |
| 07/26/2012 | WO2012100226A1 System for i-q phase mismatch detection and correction |
| 07/25/2012 | CN102611389A Modulation signal generation circuit, sending and receiving module and radar device |
| 07/24/2012 | US8229023 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
| 07/24/2012 | US8228879 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 07/17/2012 | US8224281 Down-conversion of an electromagnetic signal with feedback control |
| 07/17/2012 | US8223886 Transmission circuit for bias control of power amplifier |
| 07/17/2012 | US8222966 System, method and apparatus for an open loop calibrated phase wrapping phase modulator for wideband RF outphasing/polar transmitters |
| 07/17/2012 | US8222965 Radio frequency modulator |
| 07/17/2012 | US8222962 High-resolution digitally controlled oscillator and method thereof |
| 07/12/2012 | DE102009012583B4 Modulator Modulator |
| 07/10/2012 | US8219044 Feedback compensation detector for a direct conversion transmitter |
| 07/10/2012 | US8218682 Digital signal transmitting apparatus |
| 07/10/2012 | US8217728 LC voltage-controlled oscillator |
| 07/04/2012 | CN101694986B Vector modulation error compensation method based on analog base band correction |
| 07/03/2012 | US8212625 Differential VCO and quadrature VCO using center-tapped cross-coupling of transformer |
| 06/26/2012 | US8208522 System and methods for receiving OFDM symbols having timing and frequency offsets |
| 06/14/2012 | US20120146740 Semiconductor device |
| 06/12/2012 | US8199854 Modulating apparatus, mobile communication system, modulating method, and communication method |
| 06/12/2012 | US8198950 Power amplifier |
| 06/12/2012 | US8198949 Digital modulator |
| 06/05/2012 | US8194595 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 06/05/2012 | US8193871 FM pulse shaping |
| 06/05/2012 | US8193868 Switched capacitor circuit for a voltage controlled oscillator |
| 05/31/2012 | DE10324614B4 Frequenzmodulationssystem und zugehöriges Verfahren Frequency modulation system and associated method |
| 05/24/2012 | US20120129474 Modulation Method and Apparatus |
| 05/23/2012 | CN102474484A Frequency switching circuit, transmission device, device for introduction into subject, and sending/receiving system |
| 05/22/2012 | US8184740 Signal processing circuit |
| 05/16/2012 | EP2453621A1 Frequency switching circuit, transmission device, device for introduction into a subject, and sending/receiving system |
| 05/10/2012 | US20120114078 Method, System and Apparatus for Balanced Frequency Up-Conversion of a Baseband Signal |
| 05/10/2012 | US20120112847 Polar modulation transmission circuit and polar modulation transmission method |
| 05/09/2012 | CN102449911A Digital phase locked loop with parts operating at different sample rates |
| 05/08/2012 | US8174333 Power-efficient spectrum shaping for a magnetic link |
| 05/08/2012 | US8174326 Phase lock loop control error selection system and method |
| 05/08/2012 | US8174310 Quadrature modulation demodulation circuit |
| 05/03/2012 | US20120105166 Generator of a modulated radiofrequency signal, method for calibrating the generator, and magnetic resonance imaging system |
| 05/02/2012 | CN101682296B Spread spectrum control pll circuit and its start-up method |
| 05/01/2012 | US8170142 Programmable hybrid transmit baseband module |
| 05/01/2012 | US8169272 Multi-phase pulse modulation polar transmitter and method of generating a pulse modulated envelope signal carrying modulated RF signal |
| 05/01/2012 | US8169238 Capacitance to frequency converter |
| 04/26/2012 | US20120098612 Reduced complexity fdm-cpm dectector with multiple access interference cancellation |
| 04/25/2012 | CN102428643A Apparatus for reducing degradation in performance caused by coupling |
| 04/24/2012 | US8166322 Portable terminal device |
| 04/24/2012 | US8164394 Modulation apparatus and test apparatus |
| 04/17/2012 | US8159309 Windowing to narrow a bandwidth of an amplitude modulation power supply input signal |
| 04/12/2012 | US20120086492 Frequency domain clock recovery |
| 04/11/2012 | EP2438680A1 Digital phase locked loop with parts operating at different sample rates |
| 04/11/2012 | CN102414980A Digital phase-locked loop with two-point modulation using an accumulator and a phase-to-digital converter |
| 04/03/2012 | US8149825 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 03/29/2012 | US20120076157 ENHANCED ACCESS CHANNEL MASKS FOR xHRPD |
| 03/29/2012 | US20120074860 Dimming Circuit, A Light Emitting Diode Driver Including The Same And A Light Emitting Diode Driver |
| 03/28/2012 | EP2433358A1 Apparatus for reducing degradation in performance caused by coupling |
| 03/27/2012 | US8143965 Enhanced polar modulator for transmitter |
| 03/21/2012 | EP2430745A1 Digital phase-locked loop with two-point modulation using an accumulator and a phase-to-digital converter |
| 03/21/2012 | CN102386850A Voltage controlled oscillation modulator circuit |
| 03/21/2012 | CN101776935B Digital modulation signal generator based on DDS |
| 03/20/2012 | US8139749 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 03/15/2012 | US20120062331 System, method and apparatus for an open loop calibrated phase wrapping phase modulator for wideband rf outphasing/polar transmitters |
| 03/13/2012 | US8135090 Transmission device |
| 03/13/2012 | US8134421 Voltage control oscillator and quadrature modulator |
| 03/13/2012 | US8134418 Varactor circuit and voltage-controlled oscillation |
| 03/06/2012 | US8130870 UWB system employing gaussian minimum shift key modulation, common mode signaling and beamforming |
| 02/28/2012 | US8125288 Method for modulating a signal |
| 02/14/2012 | US8115558 Digital PLL circuit and semiconductor integrated circuit |
| 02/09/2012 | US20120032723 System and method for signal limiting |
| 02/07/2012 | US8111074 Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment |
| 01/31/2012 | US8107899 Power supply circuit |
| 01/31/2012 | US8106720 Polar modulation apparatus and method with common-mode control |
| 01/31/2012 | US8106719 Voltage-controlled oscillator, phase-locked loop circuit and clock data recovery circuit |
| 01/26/2012 | US20120020390 Angle modulator, transmission device, and wireless communication device |
| 01/25/2012 | CN101080910B Adaptive pre-emphasis filtering in a phase modulator |
| 01/18/2012 | EP2406884A1 Digital phase-locked loop architecture |
| 12/29/2011 | DE102011007000A1 FM/PM-Direktmodulation FM / PM modulation direct |
| 12/27/2011 | US8085863 Radio receiver or transmitter and method for reducing an IQ gain imbalance |
| 12/27/2011 | US8085108 Digital polar radio frequency transmitting device with a radiofrequency reference oscillator and an integrated circuit comprising such device |
| 12/27/2011 | US8085107 Transmission module |
| 12/27/2011 | US8085106 Method and apparatus for dynamic modulation |
| 12/21/2011 | CN101014027B Dc偏移校正装置和方法 Dc offset correction apparatus and method |
| 12/20/2011 | US8081042 Apparatus, method and computer program |
| 12/15/2011 | US20110305171 Transmission circuit and transmission method |
| 12/14/2011 | CN102282760A 集成电路装置中的调制器模块 The integrated circuit device of modulator module |
| 12/13/2011 | US8077797 Method, system, and apparatus for balanced frequency up-conversion of a baseband signal |
| 12/13/2011 | US8076988 Voltage and current signaling |
| 12/07/2011 | CN102273066A 具有两点调制和自适应延迟匹配的数字锁相回路 Has two adaptive modulation and delay matching of digital phase-locked loop |
| 12/07/2011 | CN101322311B 调制方法和设备 Modulation method and apparatus |
| 12/06/2011 | US8072284 Split delay-line oscillator for secure data transmission |
| 11/30/2011 | EP2389724A1 Modulator module in an integrated circuit device |
| 11/24/2011 | US20110289553 Policy and attribute based access to a resource |
| 11/23/2011 | EP2055061B1 Replica linearized power amplifier |
| 11/23/2011 | CN101163127B Modulation circuit having DC offset level control circuit |
| 11/17/2011 | US20110281528 Resonant power converter for radio frequency transmission and method |
| 11/17/2011 | US20110279149 Method, apparatus, and system for measuring analog voltages on die |
| 11/16/2011 | CN202043073U Circuit device used for CORDIC (Coordinated Rotation Digital Computer) arithmetic die correction |
| 11/10/2011 | US20110275338 Phase pulse system and method for bandwidth and energy efficient continuous phase modulation |
| 11/09/2011 | CN101411055B Radio frequency PWM & PPM modulator |
| 10/25/2011 | US8044745 Method and apparatus for applying clock phase and frequency offset |
| 10/25/2011 | US8044733 Stress tolerant differential colpitts voltage controlled oscillators |