| Patents for H03C 3 - Angle modulation (3,926) |
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| 05/22/2003 | WO2003043208A1 Semiconductor integrated circuit for communication |
| 05/22/2003 | WO2003043179A2 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information |
| 05/22/2003 | WO2003007478A3 Method and device for producing mobile radio signals |
| 05/22/2003 | WO2002047250A3 Quadrature modulator |
| 05/22/2003 | US20030095608 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information |
| 05/22/2003 | US20030095201 System and method for superheterodyne frequency multiplication signal expansion to achieve a reduced bandwidth frequency or phase modulation communciation channel |
| 05/21/2003 | EP1093571B1 Method of fabricating silicon capacitive sensor |
| 05/15/2003 | US20030092416 Direct-conversion transmitting circuit and integrated transmitting/receiving circuit |
| 05/15/2003 | US20030090328 Method and apparatus for simplified tuning of a two-point modulated PLL |
| 05/08/2003 | US20030087614 Systems and methods for modulator calibration |
| 05/06/2003 | US6560293 Apparatus and method for FM remodulation of envelope modulated data signals |
| 05/06/2003 | US6559726 Multi-modulus counter in modulated frequency synthesis |
| 05/02/2003 | EP1097508B1 Method and apparatus for compensating for distortion in iq modulators |
| 05/01/2003 | WO2003036789A2 Radio frequency amplifier |
| 04/30/2003 | DE4245020C2 Swept RF and microwave frequency synthesised source |
| 04/29/2003 | US6556054 Efficient transmitters for phase modulated signals |
| 04/29/2003 | CA2080786C Vector fm modulator |
| 04/24/2003 | US20030076139 Semiconductor Integrated circuit |
| 04/23/2003 | EP1303960A2 Data transmission using pulse width modulation |
| 04/23/2003 | EP1303919A2 System and apparatus for a direct conversion receiver and transmitter |
| 04/23/2003 | CN1413378A 电介质谐振器振荡器和话音控制设备 Dielectric resonator oscillator and voice control devices |
| 04/23/2003 | CN1106713C A audio A/D converter using frequency modulation |
| 04/17/2003 | WO2003032493A2 Compensating method for a pll circuit that functions according to the two-point principle, and pll circuit provided with a compensating device |
| 04/17/2003 | US20030072393 Quadrature transceiver substantially free of adverse circuitry mismatch effects |
| 04/16/2003 | EP1302040A2 Phase modulator using a frequency synthesizer |
| 04/15/2003 | US6549590 Current-controlled carrier tracking filter for improved spurious signal suppression |
| 04/15/2003 | US6549078 Method and system for directly modulating a voltage controlled oscillator for use in frequency/phase modulated systems |
| 04/10/2003 | US20030067995 Transmission apparatus |
| 04/10/2003 | US20030067661 FM modulator |
| 04/09/2003 | EP1300938A2 System and method for frequency up-conversion |
| 04/08/2003 | US6545634 Method for detecting and correcting non-linearities in radio-frequency, voltage controlled oscillators |
| 04/08/2003 | US6545557 FM signal oscillator circuit and modulation level control method |
| 04/08/2003 | CA2209290C Frequency synthesizer |
| 04/03/2003 | WO2003028218A1 Fractional-n type frequency synthesizer |
| 04/03/2003 | WO2002031963A3 Modulator using a phase-locked loop |
| 04/02/2003 | EP1298791A1 Direct-conversion receiver using quadrature error correction |
| 04/02/2003 | EP0972345B1 An audio a/d converter using frequency modulation |
| 04/02/2003 | CN1408141A Transmitting device |
| 03/27/2003 | US20030058055 Fractional-N type frequency synthesizer |
| 03/27/2003 | US20030058053 Phase locked loop for reducing electromagnetic interference |
| 03/20/2003 | WO2003023948A2 Transmitter arrangement especially for mobile radio |
| 03/20/2003 | US20030053561 Tuning a station |
| 03/20/2003 | US20030053556 Image-canceling quadrature modulator and method |
| 03/20/2003 | US20030053553 Subscriber unit producing a modulated digital frequency |
| 03/20/2003 | US20030052744 Modulator |
| 03/19/2003 | EP1142121B1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method |
| 03/18/2003 | US6535561 Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and DC offset compensation |
| 03/13/2003 | WO2003021787A1 Sigma-delta-based frequency synthesis |
| 03/13/2003 | WO2003007478A8 Method and device for producing mobile radio signals |
| 03/13/2003 | US20030048099 Modulation semiconductor integrated circuit device and testing method for oscillation circuit |
| 03/12/2003 | EP1290783A1 Digital modulation synthesizer |
| 03/12/2003 | EP1012962B1 Multi-carrier transmitting apparatus and method |
| 03/11/2003 | US6532270 Apparatus and method for broadcast band noise reduction in a transmitter with a low IF frequency |
| 03/06/2003 | WO2003019769A2 Transmitter system, especially for cellular telephony |
| 03/06/2003 | US20030045249 Feedback compensation detector for a direct conversion transmitter |
| 03/06/2003 | US20030043950 Phase-locked loop frequency synthesizer with two-point modulation |
| 02/27/2003 | WO2003017507A2 Transmitter apparatus and methods using frequency doubling modulation |
| 02/26/2003 | CN1399488A Two-stage up-conversion modulator |
| 02/25/2003 | US6526265 Wireless transmitter having a modified translation loop architecture |
| 02/20/2003 | WO2003015258A2 Fm modulator |
| 02/20/2003 | US20030035470 Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 02/20/2003 | CA2456131A1 Radio pulse communications systems |
| 02/19/2003 | EP1284075A1 Gain controller for quadrature tranceiver |
| 02/13/2003 | WO2003013191A2 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface |
| 02/13/2003 | WO2003013093A2 Signal decomposition for the control of its dynamic range |
| 02/13/2003 | WO2003012979A1 Quadrature transceiver substantially free of adverse circuitry mismatch effects |
| 02/13/2003 | WO2003012977A2 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
| 02/13/2003 | US20030031268 Computational circuits and methods for processing modulated signals having non-constant envelopes |
| 02/13/2003 | CA2455277A1 Signal decomposition for the control of its dynamic range |
| 02/06/2003 | US20030027527 Method of high-power switching and switch apparatus for frequency modulation within Loran-C signals |
| 02/05/2003 | EP0885510A4 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 02/04/2003 | US6515553 Delta-sigma based dual-port modulation scheme and calibration techniques for similar modulation schemes |
| 02/04/2003 | US6515526 Phase fluctuation generation |
| 01/29/2003 | EP1000461B1 Systems and methods for automatic deviation setting and control in radio transmitters |
| 01/28/2003 | US6512621 FM modulator |
| 01/23/2003 | WO2003007478A2 Method and device for producing mobile radio signals |
| 01/23/2003 | WO2003006103A2 Electrical field stimulation of eukaryotic cells |
| 01/23/2003 | CA2453489A1 Electrical field stimulation of eukaryotic cells |
| 01/22/2003 | EP1277063A1 Method for detecting and correcting non-linearities in a microwave radar system |
| 01/22/2003 | CN1099720C Nonradiation dielectric transmission line apparatus and instrument for measuring characteristics of circuit board |
| 01/16/2003 | US20030011861 Double up-conversion modulator |
| 01/10/2003 | CA2390630A1 Double up-conversion modulator |
| 01/09/2003 | WO2001095477A3 Quadrature modulation with reduced phase-error distortion |
| 01/08/2003 | CN1390413A Method and test device for determining and correcting an offset in direct udtage on a modulator |
| 01/03/2003 | WO2003001759A2 Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superposition and convolution |
| 01/02/2003 | US20030002482 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 01/02/2003 | US20030001782 Modulator and demodulator |
| 01/02/2003 | EP1271815A2 Calibrating a transmitting station |
| 12/31/2002 | US6501337 Method and apparatus for correcting the effect of dielectric absorption in an open-loop modulator circuit |
| 12/26/2002 | US20020196865 Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superpostion and convolution |
| 12/25/2002 | CN1387717A Radio transmitter architecture comprising PLL and delta-sigma modulator |
| 12/19/2002 | US20020191727 Digital phase locked loop |
| 12/19/2002 | US20020191713 Modulation system having on-line IQ calibration |
| 12/19/2002 | US20020190804 Dielectric resonator oscillator and voice control device |
| 12/18/2002 | EP1000462B1 Frequency synthesizer systems and methods for three-point modulation with a dc response |
| 12/12/2002 | WO2002099961A2 Two-point modulator comprising a pll circuit and a simplified digital pre-filtering system |
| 12/12/2002 | WO2002084908A3 Frequency modulation using a zero hz vco |
| 12/12/2002 | WO2002062029A3 Compensation method for a transceiver using two-point modulation |
| 12/05/2002 | WO2002097967A1 Direct modulated phase-locked loop |
| 12/05/2002 | US20020181547 FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA |