Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 3 - Demodulation of angle-modulated oscillations
Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
12/2003
12/30/2003US6671336 Gain controller for circuit having in-phase and quadrature channels, and method
12/30/2003US6670831 Signal processing circuit and method for measuring pulse width under existence of chattering noise
12/25/2003US20030236073 Correction of mismatch between in-phase and quadrature signals in a radio receiver
12/25/2003US20030235262 Fine-grained gear-shifting of a digital phase-locked loop (PLL)
12/25/2003US20030235260 Methods and apparatus for generating timing signals
12/24/2003WO2003107615A1 Amplitude imbalance compensation of quadrature modulator
12/24/2003CN1463501A Quadrature envelope-sampling of intermediate frequency signal in receiver
12/23/2003US6668025 Tuning demodulator for digitally modulated RF signals
12/18/2003WO2003105464A2 Quadratic video demodulation with baseband nyquist filter
12/18/2003US20030231075 Amplitude imbalance compensation of quadrature modulator
12/17/2003CN1462511A System and apparatus for direct conversion receiver and transmitter
12/17/2003CN1131628C Digital receiver with polyphase structure
12/16/2003US6664849 Digital FM demodulator performing amplitude compensation
12/11/2003WO2003103132A1 Quadratic nyquist slope filter
12/11/2003WO2003041313B1 Digital fm stereo decoder and method of operation
12/10/2003EP1368901A1 Dc offset correction scheme for wireless receivers
12/10/2003EP0934625B1 Numerical voltage controlled oscillator
12/09/2003US6661852 Apparatus and method for quadrature tuner error correction
12/09/2003CA2284948C Complex phase-locked loop demodulator for low-if and zero-if radio receivers
12/04/2003US20030224725 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation
12/04/2003US20030223017 Quadratic nyquist slope filter
12/02/2003US6658244 Method and circuit for compensation control of offset voltages in a radio receiving circuit integrated in a circuit module
12/02/2003US6658237 Multi-Band transceiver utilizing direct conversion receiver
12/02/2003US6657919 Delayed locked loop implementation in a synchronous dynamic random access memory
12/02/2003US6657918 Delayed locked loop implementation in a synchronous dynamic random access memory
11/2003
11/27/2003WO2002089312A3 Frequency conversion by undersampling
11/27/2003US20030219088 Digital DLL apparatus for correcting duty cycle and method thereof
11/26/2003EP0908015B1 Wireless receiver with offset compensation using flash-adc
11/26/2003CN1459190A Receiver
11/26/2003CN1459143A Complex valued delta sigma phase locked loop demodulator
11/26/2003CN1129239C Device for determining digital single frequency deviation and receiver
11/25/2003US6654596 Homodyne radio receiver having DC compensation
11/20/2003WO2003096524A2 Mirror suppression circuit in a quadrature demodulator
11/20/2003WO2002089311A3 High-frequency receiver
11/20/2003US20030215028 Receiver circuit and method of processing a received signal
11/19/2003EP1363391A1 Quadrature receiver with DC offset compensation , and quadrature phase-amplitude imbalance compensation
11/19/2003CN1457556A DC offset correction scheme for wireless receivers
11/13/2003US20030210815 Noise reduction through comparative histograms
11/12/2003EP1361655A1 Mirror suppression circuit in a quadrature demodulator
11/11/2003US6647081 Phase-locked loop (PLL) circuit for selectively correcting clock skew in different modes
11/11/2003US6646500 Integrated circuit having an FM demodulator and method therefor
11/11/2003CA2206311C Multiple access digital transmitter/receiver and method
11/06/2003WO2003092180A1 Direct conversion receiver
11/06/2003WO2003092152A1 Dc removal techniques for wireless networking
11/06/2003WO2003092151A1 Demodulator using digital circuitry
11/06/2003WO2003052923A3 Frequency-down-converter using sigma-delta modulators
11/06/2003CA2483511A1 Dc removal techniques for wireless networking
10/2003
10/30/2003WO2003090368A1 Image signal cancel type heterodyne reception method and direct conversion orthogonal frequency division multiplex reception method
10/30/2003WO2002098004A3 Quadrature alignment in communications receivers
10/30/2003US20030203728 DC removal techniques for wireless networking
10/30/2003US20030202616 Radio receiver utilizing a single analog to digital converter
10/28/2003US6640093 Broadcast receiver
10/28/2003US6639909 Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereof
10/28/2003US6639459 Demodulator using digital circuitry
10/28/2003US6639458 FM demodulator capable of providing demodulated data with high determination accuracy
10/23/2003WO2003088509A2 Data-directed frequency-and-phase lock loop for decoding an offset-qam modulated signal having a pilot
10/22/2003EP1354398A2 Quadrature modulator and demodulator
10/22/2003EP1210766B1 Automatic gain control loop for frequency conversion of quadrature signals
10/22/2003EP0867066B1 Digital calibration of a transceiver
10/21/2003US6636731 Demodulation method preserving a high spectral purity
10/21/2003US6636730 Wideband IF image rejecting receiver
10/21/2003US6636573 Precision timing generator system and method
10/16/2003WO2002056484A3 Radio receiver
10/16/2003US20030194978 System and method for coarse/fine PLL adjustment
10/16/2003US20030193365 QPSK and 16 QAM self-generating synchronous direct downconversion demodulator
10/09/2003WO2003084085A1 Receiver apparatus
10/09/2003WO2003084052A1 Demodulation of a digitally frequency modulated analogue received signal by evaluation of the time difference between the null transitions
10/09/2003WO2003026126A3 Circuit configuration for providing a complex value local oscillator signal and receiver
10/09/2003US20030190901 Direct conversion receiving unit
10/09/2003US20030189988 FIR chip for use in a wireless subscriber unit
10/08/2003EP1350333A2 Local oscillator leakage control in direct conversion processes
10/08/2003EP1350310A2 Reduced soft output information packet selection
10/07/2003US6631256 Simplified high frequency tuner and tuning method
10/07/2003US6630820 Method and apparatus for measuring the instantaneous frequency of FM signals
10/02/2003WO2003079751A2 Slicing algorithm for multi-level modulation equalizing schemes
10/02/2003WO2003017464A3 Demodulator and demodulation method for demodulating received signals
10/02/2003US20030184368 Integrated circuit having an fm demodulator and method therefor
10/01/2003CN1446397A Calibration of quadrature receiver
10/01/2003CN1123135C Integrable radio receiver circuit for frequency modulated digital signals
09/2003
09/25/2003WO2003079539A1 Signal processing method and signal processing apparatus
09/25/2003WO2003049276A9 Demodulator and receiver using it
09/25/2003WO2003012478A3 System for recovering information from a magnetic field signal usable for locating an underground object and method
09/25/2003WO2002093732A3 Tuner circuit using polyphase filters and mixer
09/25/2003US20030181190 Method and apparatus for improving dynamic range in a communication system
09/25/2003US20030181189 Method and apparatus for reducing DC offsets in communication systems using universal frequency translation technology
09/25/2003US20030181186 Reducing DC offsets using spectral spreading
09/25/2003US20030179836 Coherent adaptive calibration system and method
09/24/2003EP1347569A2 Method and device for detection of reception disturbances in a digital FM-receiver
09/24/2003EP1346467A2 Integrated direct conversion satellite tuner
09/23/2003US6625436 Radio receivers
09/18/2003US20030174641 Self calibrating receive path correction system in a receiver
09/18/2003US20030174016 High-efficiency circuit for demodulating carriers in quadrature
09/17/2003CN1442986A I/Q demodulator and its I/Q signal sampling method
09/16/2003US6621879 Digital radio system, a digital radio device, and a quadrature demodulator
09/12/2003WO2002091133A3 MINIMIZING JITTER IN QoS NETWORKED GATEWAY DEVICES
09/11/2003US20030171107 Differential frequency down-conversion using techniques of universal frequency translation technology
09/04/2003WO2003073661A2 3g radio
09/04/2003WO2003073631A1 3g radio
09/04/2003US20030165204 Dtse at less than two complex samples per symbol
09/04/2003US20030165202 I/Q demodulator and I/Q signal sampling method thereof
1 ... 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ... 65