| Patents for H03C 3 - Angle modulation (3,926) |
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| 03/23/2005 | CN1194465C 电介质谐振器振荡器和话音控制设备 Dielectric resonator oscillator and voice control equipment |
| 03/17/2005 | WO2005025168A1 Offset compensation device |
| 03/17/2005 | WO2005025167A1 Offset compensation device |
| 03/17/2005 | WO2005025052A1 Wide-band modulation pll, timing error correction system of wide-band modulation pll, modulation timing error correction method and method for adjusting radio communication apparatus having wide-band modulation pll |
| 03/17/2005 | US20050059376 System and method for frequency translation with harmonic suppression using mixer stages |
| 03/16/2005 | EP1421677B1 Transmitter system, especially for cellular telephony |
| 03/10/2005 | WO2004095686A8 Quadrature modulator and calibration method |
| 03/10/2005 | US20050054295 System and method for signal limiting |
| 03/10/2005 | US20050052251 Phase locked loop modulator calibration techniques |
| 03/10/2005 | US20050052250 Direct frequency modulation apparatus which modulates frequency by applying data-dependent voltage to control terminal of voltage-controlled oscillator without mediacy of PLL, and communication system |
| 03/09/2005 | CN1192494C Multi-carrier radio system and radio transceiver implementation |
| 03/03/2005 | WO2005020430A2 Pseudo-polar modulation for radio transmitters |
| 03/03/2005 | WO2005020429A1 Broadband modulation pll, and modulation factor adjusting method therefor |
| 03/03/2005 | WO2005020428A1 Broadband modulation pll, and modulation factor adjusting method therefor |
| 03/03/2005 | US20050047523 [non-coherent frequency shift keying transmitter using a digital interpolation synthesizer] |
| 03/03/2005 | US20050046507 Pseudo-polar modulation for radio transmitters |
| 03/03/2005 | US20050046488 Compensating method for a pll circuit that functions according to the two-point principle, and pll circuit provided with a compensating device |
| 02/24/2005 | US20050041755 Two-point modulator arrangement and use thereof in a transmission arrangement and in a reception arrangement |
| 02/23/2005 | EP1402624B1 Two-point modulator comprising a pll circuit and a simplified digital pre-filtering system |
| 02/23/2005 | CN1586038A Fractional-N type frequency synthesizer |
| 02/23/2005 | CN1586036A Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information |
| 02/23/2005 | CN1190931C Radio transmitter and method for producing RF output signals in phase-locked loops |
| 02/17/2005 | US20050036467 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 02/10/2005 | DE10330822A1 Two-point modulator for high frequency (HF) transceiver, e.g. in mobile radio, with phase control loop (PLL) operable at different reference frequencies, with digital signal processor provides modulation signal |
| 02/09/2005 | CN1578178A Wideband quadrature generation technique requiring only narrowband components and method thereof |
| 02/09/2005 | CN1578148A 半导体集成电路 The semiconductor integrated circuit |
| 02/09/2005 | CN1578113A Two-point modulator arrangement and use thereof in a transmission arrangement and in a reception arrangement |
| 02/08/2005 | US6853690 Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
| 02/03/2005 | US20050025276 Single point modulator having a PLL circuit |
| 02/03/2005 | US20050025255 DC offset cancellation |
| 02/03/2005 | US20050024154 Controlled oscillation module |
| 02/02/2005 | EP1502350A2 Frequency modulator using switched capacitors |
| 02/01/2005 | US6850510 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 01/27/2005 | US20050020205 Apparatus and method for carrier feedthrough cancellation in RF upconverters |
| 01/27/2005 | US20050018788 Method and apparatus for RF carrier suppression |
| 01/27/2005 | DE102004029323A1 FM-Modulatorausgangssteuerung während des Anschaltens FM modulator output control during startup |
| 01/26/2005 | CN1186879C Method and device for calibrating FM PLL |
| 01/20/2005 | WO2004102917A3 Fast calibration of electronic components |
| 01/20/2005 | WO2004095686A3 Quadrature modulator and calibration method |
| 01/20/2005 | US20050014476 Semiconductor integrated circuit for communication |
| 01/20/2005 | US20050014475 Device for compensating for a mismatch of a transmitter and a method of compensating for the mismatch |
| 01/20/2005 | US20050013388 Compensation of the IQ phase asymmetry in quadrature modulation and demodulation methods |
| 01/20/2005 | US20050013344 Wideband quadrature generation technique requiring only narrowband components and method thereof |
| 01/20/2005 | US20050013266 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 01/20/2005 | US20050012544 Non-coherent FSK demodulator |
| 01/19/2005 | EP1499034A2 Circuit and method for phase modulation of transponders based on backscattering |
| 01/19/2005 | EP1499030A2 Wideband quadrature generation technique requiring only narrowband components and method thereof |
| 01/18/2005 | US6844763 Wideband modulation summing network and method thereof |
| 01/13/2005 | US20050008002 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telphones |
| 01/12/2005 | EP1496610A1 Frequency converter with carrier self-mixing suppression |
| 01/12/2005 | EP1415391B1 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
| 01/12/2005 | CN1565077A Radio pulse communications systems |
| 01/06/2005 | WO2005002063A2 Method and system for suppressing carrier leakage |
| 01/06/2005 | US20050003788 FM modulator output control during turn on |
| 01/06/2005 | CA2528534A1 Method and system for suppressing carrier leakage |
| 01/05/2005 | EP1494349A1 Spread spectrum clock generator |
| 01/05/2005 | CN1183678C Digital-to-analog converters d.c. offset carrection of comparing converter input and output signal |
| 12/30/2004 | US20040266359 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture |
| 12/30/2004 | US20040264598 Method and system for adjusting the amplitude and phase characteristics of real and imaginary signal components of complex signals processed by an analog radio transmitter |
| 12/30/2004 | US20040264442 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 12/30/2004 | DE10325399A1 Schaltungsanordnung zur Phasenmodulation für rückstreubasierte Transporder Circuit arrangement for phase modulation for backscatter based Transporder |
| 12/29/2004 | CN1559104A Compensating method for a pll circuit that functions according to the two-point principle, and pll circuit provided with a compensating device |
| 12/23/2004 | US20040257293 Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder |
| 12/23/2004 | US20040257220 Circuit arrangement and method for phase modulation in a backscattering transponder |
| 12/23/2004 | DE10325396A1 Circuit arrangement for phase modulation for backscatter-based transponder has control unit that can selectively connect voltage sources to varactor connection(s) depending on desired phase angle |
| 12/22/2004 | EP1488508A2 Two-point modulator assembly |
| 12/22/2004 | CN1557082A Computational circuits and methods for processing modulated signals having non-constant envelopes |
| 12/21/2004 | US6834183 VCO gain tracking for modulation gain setting calibration |
| 12/21/2004 | US6834084 Direct digital polar modulator |
| 12/21/2004 | US6833767 Frequency synthesizer using digital pre-distortion and method |
| 12/21/2004 | US6833755 Modulator and demodulator |
| 12/16/2004 | US20040252782 Method and system for suppressing carrier leakage |
| 12/16/2004 | US20040251976 Light-controlled oscillator |
| 12/15/2004 | EP1486007A1 Frequency doubling circuit arrangement and mobile radio set comprising said circuit arrangement |
| 12/15/2004 | EP1485989A1 Oscillator and pll circuit using the same |
| 12/15/2004 | EP1425065A4 Electrical field stimulation of eukaryotic cells |
| 12/14/2004 | US6831491 Systems and methods for correcting phase locked loop tracking error using feed-forward phase modulation |
| 12/09/2004 | US20040247027 Clock generator circuit using phase modulation technology and method thereof |
| 12/09/2004 | US20040246940 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 12/08/2004 | EP1484674A1 Maximally digitized fractional-N frequency synthesizer and modulator with maximal fractional spurious removing |
| 12/08/2004 | EP1483828A2 Transmitter arrangement for frequency modulation |
| 12/07/2004 | CA2281522C Delta-sigma based two-point angle modulation scheme |
| 12/01/2004 | EP1482647A2 Circuit for phase modulation in a transponder based on back-scattering |
| 12/01/2004 | EP1482635A2 Transceiver, and method |
| 12/01/2004 | EP1481521A1 MODULATOR/TRANSMITTER APPARATUS AND METHOD |
| 12/01/2004 | CN1178394C Fractional-N frequency synthesiser |
| 11/30/2004 | US6826389 Transmitter and method of generating a transmission signal |
| 11/25/2004 | WO2004102917A2 Fast calibration of electronic components |
| 11/25/2004 | US20040237007 Vector monitor, related method of controlling a transmitter and transmitter employing the same |
| 11/25/2004 | US20040233009 Method and apparatus for driving a direct current or voltage controlled oscillator with modulation slope feedback |
| 11/24/2004 | EP1410496B1 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface |
| 11/24/2004 | EP1181768B1 Linearisation and modulation device |
| 11/23/2004 | CA2386477C Feedback compensation detector for a direct conversion transmitter |
| 11/18/2004 | WO2004100481A1 Hf circuit arrangement for modulating an hf carrier signal |
| 11/18/2004 | US20040230393 Fast calibration of electronic components |
| 11/18/2004 | US20040228421 Transmitting arrangement for mobile radio |
| 11/18/2004 | US20040228330 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 11/18/2004 | DE10320513A1 Voltage or current controlled oscillator circuit, e.g. for FM transmitter, containing DC signal sensitive network of frequency determining components, with control and modulation inputs and PLL and modulation generator |
| 11/18/2004 | DE10319636A1 Verfahren zur Modulation eines Trägersignals sowie Verfahren zur Demodulation eines modulierten Trägersignals A method for modulating a carrier signal as well as methods for demodulating a modulated carrier signal |
| 11/17/2004 | EP1478145A1 Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus |