| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 09/20/2005 | US6947499 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
| 09/20/2005 | US6947496 Method for refining a DC-offset estimate and removing the DC-offset |
| 09/15/2005 | US20050201490 Zero-crossing detector for receivers |
| 09/13/2005 | US6944565 Signal analysis instrument, and a module for a signal analysis instrument |
| 09/08/2005 | US20050195336 Integrated television receivers with I and Q analog to digital converters |
| 09/08/2005 | DE102004007648B3 Phase control circuit for oscillator, with provision for jitter measurement, compares pulse width of output from phase detector with pulse width of output from pulse generator circuit |
| 09/07/2005 | CN1666482A Mobile radio receiver device |
| 09/07/2005 | CN1665140A The double spot modulating type frequency modulation device, wireless transmit device and wireless communication device |
| 09/07/2005 | CN1218498C Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver |
| 09/07/2005 | CN1218494C Radio receiver |
| 09/06/2005 | US6941121 Method for calibrating a DC offset cancellation level for direct conversion receivers |
| 09/06/2005 | US6940916 Wideband analog quadrature modulator/demodulator with pre-compensation/post-compensation correction |
| 09/01/2005 | US20050191986 FM detector for direct-conversion receiver |
| 08/31/2005 | EP1568192A1 Compensating for analog radio component impairments to relax specifications |
| 08/31/2005 | EP1568124A1 Phase locked loop demodulator with gain control |
| 08/31/2005 | CN1663214A Amplitude imbalance compensation of quadrature modulator |
| 08/31/2005 | CN1663114A Demodulator using digital circuitry |
| 08/31/2005 | CN1661921A Delta/Sigma frequency discriminator |
| 08/30/2005 | US6937871 Anti-demodulator circuit, filtering device and demodulator circuit |
| 08/30/2005 | US6937683 Compact digital timing recovery circuits, devices, systems and processes |
| 08/25/2005 | WO2005079032A1 Pll circuit, demodulator circuit, ic card, and ic card processing apparatus |
| 08/25/2005 | WO2005078916A1 Programmable radio transceiver |
| 08/25/2005 | US20050187683 Data communications control system |
| 08/25/2005 | US20050185750 Frequency synthesizer |
| 08/25/2005 | US20050185749 Circuit arrangement provided with a phase-locked loop and transmitter-receiver with said circuit arrangement |
| 08/25/2005 | US20050185746 Differential charge pump |
| 08/25/2005 | US20050184901 Delta/sigma frequency discriminator |
| 08/24/2005 | CN1659779A Quadratic video demodulation with baseband nyquist filter |
| 08/23/2005 | US6934869 Method and apparatus for eliminating dead zone in phase locked loops using binary quantized phase detectors |
| 08/23/2005 | US6933985 Apparatus and method for compensation of temperature drift of SAW filters |
| 08/18/2005 | US20050182500 Time delay definition |
| 08/18/2005 | US20050180528 Method and apparatus for down conversion of radio frequency (rf) signals |
| 08/17/2005 | EP1563605A1 Pll with balanced quadricorrelator |
| 08/17/2005 | CN2718905Y 信号压缩器 Signal compressor |
| 08/17/2005 | CN1215687C DC offset correction scheme for wireless receivers |
| 08/17/2005 | CN1215665C Phase demodulator, sign and time sequence restoring circuit and method |
| 08/16/2005 | US6931088 Signal processing circuit for preventing pseudo lock of timing recovery PLL |
| 08/16/2005 | US6931087 Feedforward clock switching circuit |
| 08/16/2005 | US6931082 Digital phase locked loop |
| 08/11/2005 | WO2005074121A1 Transmitter predistortion circuit and method therefor |
| 08/11/2005 | US20050176396 Receiver apparatus |
| 08/11/2005 | US20050175135 Delay circuit with timing adjustment function |
| 08/11/2005 | US20050174928 Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method |
| 08/11/2005 | US20050174166 Method for tuning a corner frequency of a low pass filter |
| 08/10/2005 | CN1214585C DC-offset correction circuit having DC control loop and DC blocking circuit |
| 08/09/2005 | US6928128 Clock alignment circuit having a self regulating voltage supply |
| 08/04/2005 | WO2005071828A1 Demodulatr, chip and method for digitally demodulating an fsk signal |
| 08/04/2005 | US20050171835 System for monitoring economic trends in fleet management network |
| 08/04/2005 | US20050170805 Mobile radio receiver device |
| 08/03/2005 | EP1559221A1 Digital fm stereo decoder and method of operation |
| 08/03/2005 | EP1509999A4 Demodulator using digital circuitry |
| 08/03/2005 | CN1213555C Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receiver |
| 07/28/2005 | US20050164670 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
| 07/28/2005 | US20050164659 Apparatus and method for correcting sudden phase changes in received signals in mobile stations |
| 07/28/2005 | US20050163252 Transmitter predistortion circuit and method therefor |
| 07/27/2005 | CN1647476A Data-directed frequency-and-phase lock loop for decoding an offset-qam modulated signal having a pilot |
| 07/27/2005 | CN1647400A Method and apparatus for down conversion of radio frequency RF signals |
| 07/27/2005 | CN1647363A Demodulation of a digitally frequency modulated analogue received signal by evaluation of the time difference between the null transitions |
| 07/26/2005 | US6922555 Phase interpolation receiver for angle modulated RF signals |
| 07/26/2005 | US6922454 Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band |
| 07/26/2005 | US6922402 Mutual frequency locking across a link |
| 07/21/2005 | WO2005067250A1 Method and apparatus for compensating i/q imbalance in receivers |
| 07/21/2005 | WO2005067157A1 Dc offset correction for direct-conversion receiver |
| 07/21/2005 | US20050157815 Apparatus for compensating DC offsets, gain and phase imbalances between I-channel and Q-channel in quadrature transceiving system |
| 07/21/2005 | US20050156651 RS-232 transmitter apparatus |
| 07/20/2005 | EP1554813A1 Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
| 07/20/2005 | EP1476950A4 3g radio |
| 07/20/2005 | EP1336246B1 Direct conversion receiver |
| 07/20/2005 | CN1643802A Receiver apparatus |
| 07/20/2005 | CN1643777A System and method for i-q mismatch compensation in a low if or zero if receiver |
| 07/20/2005 | CN1643776A Slicing algorithm for multi-level modulation equalizing schemes |
| 07/19/2005 | US6920622 Method and apparatus for adjusting the phase of an output of a phase-locked loop |
| 07/19/2005 | US6920188 Method and apparatus for processing a multiple-component wide dynamic range signal |
| 07/19/2005 | US6919759 Digitally controlled tuner circuit |
| 07/14/2005 | WO2005064785A1 Multiplier of an electric signal, using a local oscillator signal, and method used by said multiplier |
| 07/14/2005 | WO2005064784A1 Low if radio receiver |
| 07/14/2005 | US20050153677 System and method for on-chip filter tuning |
| 07/14/2005 | US20050153676 Method and apparatus for minimizing baseband offset error in a receiver |
| 07/14/2005 | US20050152482 Method and system for estimating and compensating IQ imbalance |
| 07/14/2005 | US20050152481 Method and apparatus of iq mismatch calibration |
| 07/14/2005 | US20050152476 Direct conversion receiver and receiving method |
| 07/13/2005 | CN1640085A 3G radio device |
| 07/13/2005 | CN1639990A 3G radio device |
| 07/13/2005 | CN1639964A Signal processing method and signal processing apparatus |
| 07/13/2005 | CN1639962A Quadrature demodulator using a FFT processor |
| 07/13/2005 | CN1638284A VCO circuit, PLL circuit, and data recording apparatus |
| 07/12/2005 | US6917787 System and method for superheterodyne frequency multiplication signal expansion to achieve a reduced bandwidth frequency or phase modulation communication channel |
| 07/07/2005 | US20050148310 Harmonic image-reject converter |
| 07/07/2005 | US20050147197 Method and apparatus for acquiring a frequency without a reference clock |
| 07/07/2005 | US20050147184 Signal processing method and signal processing apparatus |
| 07/06/2005 | EP1551099A1 Radioempfänger |
| 07/06/2005 | CN1636313A Device for down-transforming the frequency of signals |
| 07/05/2005 | US6915141 Secondary automatic gain control loops for direct conversion CDMA receivers |
| 07/05/2005 | US6914946 Digitally-implemented demodulator |
| 07/05/2005 | US6914478 Demodulation method and demodulator |
| 06/30/2005 | WO2005060140A2 Module to module signaling with jitter modulation |
| 06/30/2005 | US20050144650 Simultaneous tuning of multiple channels using intermediate frequency sub-sampling |
| 06/30/2005 | US20050143042 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
| 06/30/2005 | US20050143032 DC offset cancel circuit |
| 06/30/2005 | US20050143028 DC offset-free RF front-end circuits and systems for direct conversion receivers |