| Patents for H03C 5 - Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal (621) |
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| 08/05/2008 | US7409002 Signal modulation |
| 06/12/2008 | US20080139138 Transmission circuit |
| 06/03/2008 | US7383027 Transmission circuit |
| 05/22/2008 | WO2008032264A3 Amplifier architecture for polar modulation |
| 05/21/2008 | EP1923991A2 Transmitter arrangement and signal processing method |
| 04/30/2008 | EP1916763A1 Method and system for digital tracking in direct and polar modulation |
| 04/24/2008 | WO2007146691A3 System and method for providing a transmitter for polar modulation and power amplifier linearization |
| 04/23/2008 | CN101165703A Swing key-controlled modulation device and method for transmitting and receiving device |
| 04/17/2008 | WO2007122562A3 A modulator for amplitude-modulating a signal |
| 04/08/2008 | US7356311 Wireless audio signal and control signal device and method thereof |
| 03/27/2008 | WO2008035260A1 Digital polar radiofrequency transmitting device with a radiofrequency reference oscillator and an integrated circuit comprising such device |
| 03/20/2008 | WO2008032264A2 Amplifier architecture for polar modulation |
| 03/18/2008 | US7346119 System and method for high speed digital signaling |
| 03/11/2008 | US7342976 Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter |
| 02/26/2008 | US7336136 High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system |
| 02/19/2008 | US7333780 Polar modulation transmission apparatus and radio communication apparatus |
| 02/19/2008 | US7333153 Expanded information capacity for existing communication transmission systems |
| 02/13/2008 | EP1797638B1 Polar loop circuit arrangement with distortion suppression and method for distortion suppression in a polar loop circuit arrangement |
| 02/12/2008 | CA2460299C Amplitude and phase modulation using dual digital delay vectors |
| 02/12/2008 | CA2460298C Modulation using discrete amplitude adjustment and dual digital delay lines |
| 12/26/2007 | CN100358271C AM and digital coexisting broadcasting method and device |
| 12/21/2007 | WO2007144806A2 Polar signal generator |
| 12/19/2007 | EP1868295A2 Polar transmitter for increasing modulation rate using multi-phase generator |
| 12/06/2007 | US20070280374 Modulation circuit device, modulation method and radio communication device |
| 11/22/2007 | WO2007046061A3 Polar modulation apparatus and method using fm modulation |
| 11/07/2007 | CN100347952C Amplitude modulation o phase modulation cancellation method in an RF amplifier |
| 10/18/2007 | WO2007117383A1 Apparatus, system and method for amplitude-phase synchronization in polar transmitter |
| 10/18/2007 | WO2007091134A3 Method and system for transmitter envelope delay calibration |
| 10/09/2007 | US7280003 Modulation device and transmitter comprising such a device |
| 10/03/2007 | CN100341241C System for controlling class D amplifier |
| 10/02/2007 | US7277497 System and method for transitioning between modulation formats in adjacent bursts triggering on data flow |
| 09/26/2007 | CN101043200A Apparatus system and method for digital base modulation of power amplifier in polar transmitter |
| 09/06/2007 | US20070206700 Quadrature Amplitude Modulation receiver and diagnostic method thereof |
| 09/04/2007 | US7265618 RF power amplifier having high power-added efficiency |
| 08/30/2007 | DE102005040067B4 Verfahren Sendevorrichtung und Empfangsvorrichtung zum Kodieren von Daten mit einem differenziellen Raum-Zeit-Blockkode A method transmitting apparatus and receiving apparatus for encoding data with a differential space-time block code- |
| 08/16/2007 | WO2007091134A2 Method and system for transmitter envelope delay calibration |
| 08/15/2007 | EP1819059A1 Transmission modulation apparatus, communication device, and mobile wireless unit |
| 08/01/2007 | EP1813069A2 Systems and methods for vector power amplification |
| 07/31/2007 | US7251462 Modulation circuit device, modulation method and radio communication device |
| 07/18/2007 | EP1808959A1 Timing adjusting method and timing adjusting apparatus |
| 06/28/2007 | WO2007071675A1 Method and apparatus for modulation path delay mismatch compensation in a polar modulation transmitter |
| 06/27/2007 | EP1801962A1 Apparatus system and method for digital base modulation of power amplifier in polar transmitter |
| 06/20/2007 | EP1797638A1 Polar loop circuit arrangement with distortion suppression and method for distortion suppression in a polar loop circuit arrangement |
| 06/12/2007 | US7230979 System and method for high speed digital signaling |
| 05/24/2007 | WO2007057804A1 Polar modulation apparatus and method with common-mode control |
| 05/24/2007 | WO2006039550A3 Frame-based carrier frequency and phase recovery system and method |
| 04/26/2007 | WO2007046061A2 Polar modulation apparatus and method using fm modulation |
| 04/25/2007 | EP1776753A1 System and method for current-mode amplitude modulation |
| 04/04/2007 | CN1943120A Transmission modulation apparatus, communication apparatus and mobile wireless apparatus |
| 03/15/2007 | DE102005040067A1 Verfahren und Sendevorrichtung zum Kodieren von Daten mit einem differenziellen Raum-Zeit-Blockkode The method and transmitting apparatus for encoding data with a differential space-time block code- |
| 03/08/2007 | US20070053464 Correction method and correction loop for a complex digital signal |
| 03/06/2007 | US7187716 Vehicle mounted DSRC apparatus |
| 03/01/2007 | WO2007023866A1 Intermittent operation circuit and modulation device |
| 03/01/2007 | WO2006057649A3 Direct conversion delta-sigma transmitter |
| 02/15/2007 | US20070036237 Semiconductor device and wireless communication system |
| 02/07/2007 | EP1750411A1 Electromagnetic wave transmitter systems, methods and articles of manufacture |
| 02/01/2007 | US20070026834 High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system |
| 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 | US7171170 Envelope limiting for polar modulators |
| 01/24/2007 | EP1277273B1 Method and transmitting circuit for generating a transmission signal |
| 01/24/2007 | EP1260016B1 Method and transmission circuit for generating a transmission signal |
| 01/18/2007 | DE102005032060A1 Sendeanordnung, Sende-Empfänger mit der Sendeanordnung und Verfahren zur Signalverarbeitung Transmitting arrangement, transceiver with the transmit array and method for signal processing |
| 01/11/2007 | US20070011716 Unified receiver for layered and hierarchical modulation systems |
| 01/09/2007 | US7162000 Delay locked loop synthesizer with multiple outputs and digital modulation |
| 01/03/2007 | CN1890906A Subcarrier and bit allocation for real time services in multiuser orthogonal frequency division multiplex (ofdm) systems |
| 01/02/2007 | US7157985 PLL modulation circuit and polar modulation apparatus |
| 12/27/2006 | EP1338095A4 System and method for high speed digital signaling |
| 12/20/2006 | CN1883110A Outphasing modulator |
| 12/19/2006 | US7151436 Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor |
| 11/30/2006 | US20060269011 Telecommunications method and system |
| 11/07/2006 | US7132900 High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system |
| 10/24/2006 | US7126999 Pseudo-polar modulation for radio transmitters |
| 08/29/2006 | US7099399 Distortion-managed digital RF communications transmitter and method therefor |
| 08/22/2006 | US7095793 Digital exciter/phasor/transmitter for directional antennal system |
| 08/17/2006 | WO2006085585A1 Transmission modulation apparatus, communication device, and mobile wireless unit |
| 07/25/2006 | US7082169 Mirror translation loop transmitter architecture |
| 07/25/2006 | CA2328724C Expanded information capacity for existing communication transmission systems |
| 07/20/2006 | WO2005022810A3 Subcarrier and bit allocation for real time services in multiuser orthogonal frequency division multiplex (ofdm) systems |
| 07/05/2006 | CN1799237A Digital time alignment in a polar modulator |
| 06/21/2006 | EP1671394A2 Enhanced holographic communications apparatus and method |
| 06/20/2006 | US7065150 System and method for generating a root raised cosine orthogonal frequency division multiplexing (RRC OFDM) modulation |
| 06/15/2006 | WO2006061213A1 Method and device for producing an output signal having reduced out-of-band radiation |
| 06/14/2006 | DE102004048702B3 Polar Loop-Schaltungsanordnung mit Verzerrungsunterdrückung und Verfahren zur Verzerrungsunterdrückung in einer Polar Loop-Schaltungsanordnung Polar Loop circuitry with distortion suppression and method for distortion suppression in a polar loop circuit |
| 06/07/2006 | EP1576722B1 Correction method and correction loop for a complex digital signal |
| 05/31/2006 | EP1661241A2 Pseudo-polar modulation for radio transmitters |
| 05/09/2006 | US7042958 Digital time alignment in a polar modulator |
| 04/26/2006 | CN1254022C Data-transmission circuit with a station and a response circuit |
| 04/05/2006 | CN1249912C High-efficiency modulating RF amplifier |
| 04/04/2006 | US7024167 Method for amplitude modulation of a radio frequency signal, and device therefor |
| 04/04/2006 | US7023292 Polar modulation using amplitude modulated quadrature signals |
| 03/14/2006 | US7012477 Modulation using discrete amplitude adjustment and dual digital delay lines |
| 03/09/2006 | DE102004040278A1 Amplitudenmodulator, insbesondere für den Mobilfunk und Verfahren zur Modulation eines Signals Amplitude modulator, in particular for mobile radio and methods for modulation of a signal |
| 03/08/2006 | EP1346466B1 Modulator using class-e stage |
| 03/07/2006 | US7009447 Outphasing modulator |
| 03/01/2006 | EP1629650A1 Digital time alignment in a polar modulator |
| 02/16/2006 | US20060034391 Modulation device and transmitter comprising such a device |
| 02/09/2006 | US20060029153 Digital time alignment in a polar modulator |
| 02/09/2006 | US20060029150 Method for receiving an OFDM signal |
| 02/09/2006 | DE102005032590A1 Modulator for a wireless data transmission device, e.g. for a transponder in an RFID system, has a multistage rectifier circuit and at least a circuit device that is controlled by the modulation control signal in a feedback manner |
| 02/08/2006 | EP1537649B1 Method and apparatus for reducing dynamic range of a power amplifier |