| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 04/20/2004 | US6725023 Radio FM receiver |
| 04/20/2004 | US6724851 FIR chip for use in a wireless subscriber unit |
| 04/20/2004 | US6724247 FM demodulator having DC offset compensation |
| 04/20/2004 | US6724246 Demodulation structure and method |
| 04/15/2004 | DE10336300A1 Delay locked loop circuit for memory device, has delay line unit with cells, delaying external clock signal, and selecting output signals of delay cells based on control signals from two control circuits |
| 04/15/2004 | DE10197085T5 Quadratur-Oszillator mit Phasenfehlerkorrektur Quadrature oscillator with phase error correction |
| 04/14/2004 | CN1146119C Digital compensation method for direct changeover receiver |
| 04/14/2004 | CN1146109C Method for eliminating de. component and filtering device obtained by using said method |
| 04/14/2004 | CN1146108C Low-current charge pump and output stage of demodulator integrating such pump |
| 04/13/2004 | US6720839 System of and method for reducing or eliminating the unwanted sideband in a signal derived from the output of a quadrature modulator |
| 04/08/2004 | US20040066873 Delay locked loop circuit for internally correcting duty cycle and duty cycle correction method thereof |
| 04/08/2004 | DE19926101B4 Anordnung zur Fehlerkompensation bei der Umsetzung von Hochfrequenzsignalen ins Basisband Arrangement for error compensation in the implementation of high frequency signals into the base band |
| 04/07/2004 | EP1405479A1 Iq-imbalance |
| 04/07/2004 | EP1405399A2 Receiver device comprising an alternating current coupling |
| 04/07/2004 | CN1487669A Time-delay locking loop circuit for internally correcting dutyratio and method for correcting duty cycle thereof |
| 04/07/2004 | CN1145270C A communication signal receiver and operating method thereof |
| 04/06/2004 | US6717462 QPSK and 16 QAM self-generating synchronous direct downconversion demodulator |
| 04/06/2004 | US6717328 Piezoelectric resonator and FM detection circuit incorporating the same |
| 04/01/2004 | WO2004027980A1 Integrated modulator and demodulator configuration |
| 04/01/2004 | WO2003063336A3 System and method for i-q mismatch compensation in a low if or zero if receiver |
| 03/31/2004 | EP1208652B1 Radio fm receiver |
| 03/31/2004 | CN1144383C Radio receiving system |
| 03/30/2004 | US6714776 System and method for an image rejecting single conversion tuner with phase error correction |
| 03/30/2004 | US6714602 Demodulator and receiver |
| 03/25/2004 | WO2004025826A1 Direct conversion receiver and receiving method |
| 03/25/2004 | WO2004004266A3 Receiver device, especially for mobile radio |
| 03/25/2004 | US20040056785 Integrated modulator and demodulator configuration |
| 03/24/2004 | CN1484891A Local oscillator leakage control in direct conversion processes |
| 03/24/2004 | CN1143527C Modulation assembly for digital TV set |
| 03/23/2004 | US6710644 Low pass filter corner frequency tuning circuit and method |
| 03/23/2004 | CA2240630C Digital calibration of a transceiver |
| 03/18/2004 | WO2004023751A1 Demodulator circuit and receiver device |
| 03/18/2004 | WO2004023642A1 Receiver and its adjustment system and method |
| 03/18/2004 | US20040053596 Radio receiver |
| 03/18/2004 | US20040053595 High frequency semiconductor integrated circuit and radio communication system |
| 03/18/2004 | US20040052323 Phase interpolater and applications thereof |
| 03/18/2004 | US20040051095 Communication semiconductor integrated circuit and radio communication system |
| 03/17/2004 | EP1398872A1 Adaptive autocalibration method for the quadrature demodulator of a five-port receiver |
| 03/17/2004 | CN1483269A System and method for detecting and correcting phase error between differential signals |
| 03/17/2004 | CN1483268A Quadrature oscillator with feedback phase mismatch correction |
| 03/11/2004 | WO2004021589A1 Apparatus and method for dc offset compensation in a direct conversion receiver |
| 03/11/2004 | WO2003067751A3 Digital phase locked loop |
| 03/11/2004 | WO2003023950A3 Receiver |
| 03/10/2004 | EP1396088A2 Quadrature envelope-sampling of intermediate frequency signal in receiver |
| 03/10/2004 | CN1481072A Data correcting system and its method |
| 03/10/2004 | CN1141786C Apparatus and method for demodulating angle-modulated signal |
| 03/09/2004 | US6704562 N-port receiver with RF/LO isolation |
| 03/09/2004 | US6704554 Frequency modulation receiver in particular for an RDS application |
| 03/09/2004 | US6704329 Minimizing the effect of jitter upon the quality of service operation of networked gateway devices |
| 03/04/2004 | WO2003073661A3 3g radio |
| 03/04/2004 | US20040043744 Apparatus and method for DC offset compensation in a direct conversion receiver |
| 03/03/2004 | EP1393455A2 Quadrature alignment in communications receivers |
| 03/02/2004 | US6700453 Amplitude imbalance compensation of quadrature modulator |
| 02/26/2004 | WO2003079751A3 Slicing algorithm for multi-level modulation equalizing schemes |
| 02/26/2004 | US20040038655 Simplified high frequency tuner and tuning method |
| 02/25/2004 | EP1391997A2 Digitally compensated direct conversion receiver |
| 02/25/2004 | EP1390832A2 Minimizing the effect of jitter upon the quality of service operation of networked gateway devices |
| 02/24/2004 | US6697609 Carrier reproducing apparatus and method of the same |
| 02/19/2004 | WO2004015853A1 Quadrature demodulator using a fft-processor |
| 02/18/2004 | EP1266447B1 Assembly and method for compensating the offset of a mixer |
| 02/18/2004 | EP0800737B1 Multiple access digital transmitter and receiver |
| 02/18/2004 | CN1139277C Method for setting search window size for mobile station in cellular system |
| 02/18/2004 | CN1139271C Wireless selective call receiving apparatus and method which can reduce current consumption |
| 02/17/2004 | US6694129 Direct conversion digital domain control |
| 02/17/2004 | US6693977 Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signal |
| 02/12/2004 | WO2004013955A1 Receiver comprising multiple parallel reception means |
| 02/11/2004 | CN1138345C Digital reception device and method with radio frequency sampling |
| 02/05/2004 | WO2003088509A3 Data-directed frequency-and-phase lock loop for decoding an offset-qam modulated signal having a pilot |
| 02/05/2004 | US20040022329 Single chip CMOS RF receiver included PLL therein |
| 02/05/2004 | US20040021797 Receiver |
| 02/05/2004 | US20040021510 Demodulation method and demodulator |
| 02/05/2004 | US20040021494 Direct conversion receiver having a DC offset eliminating function |
| 02/04/2004 | EP1183841B1 Compensation of mismatch in quadrature devices |
| 02/03/2004 | US6687313 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation |
| 02/03/2004 | US6686830 Homodyne I/Q transceiver for a spread spectrum reader |
| 01/29/2004 | US20040018825 Circuit configuration for tolerance correction in a frequency demodulator |
| 01/28/2004 | EP1384314A2 Frequency conversion by undersampling |
| 01/28/2004 | CN1471757A 集成调谐器电路 Integrated tuner circuit |
| 01/22/2004 | WO2004008629A1 Method and apparatus to compensate imbalance of demodulator |
| 01/22/2004 | US20040013204 Method and apparatus to compensate imbalance of demodulator |
| 01/22/2004 | US20040012414 Interleaved pulse-extended phase detector |
| 01/22/2004 | DE10228757A1 Empfängeranordnung, insbesondere für den Mobilfunk Receiver arrangement, in particular for mobile radio |
| 01/21/2004 | EP1382111A2 High-frequency receiver |
| 01/15/2004 | WO2004006433A1 Tuning arrangement |
| 01/13/2004 | US6678408 Noise reduction through comparative histograms |
| 01/13/2004 | US6678340 Apparatus for receiving and processing a radio frequency signal |
| 01/13/2004 | US6678336 Hierarchical transmission digital demodulator |
| 01/13/2004 | US6677816 Circuit arrangement for demodulating signals |
| 01/08/2004 | WO2004004266A2 Receiver device, especially for mobile radio |
| 01/08/2004 | WO2004004146A1 Offset compensation in a direct-conversion receiver |
| 01/08/2004 | US20040004515 Modulator and demodulator |
| 01/08/2004 | DE10315507A1 Direktumwandlungs-Empfangseinheit Direct conversion receiver unit |
| 01/06/2004 | US6674998 System and method for detecting and correcting phase error between differential signals |
| 01/02/2004 | EP1376852A1 I/Q Demodulator based on six-port circuit topologies for mobile receivers |
| 01/01/2004 | US20040002323 Fully integrated self-tuned image rejection downconversion system |
| 01/01/2004 | US20040002321 Method and apparatus for reducing re-radiation using techniques of universal frequency translation technology |
| 01/01/2004 | US20040002318 Apparatus and method for calibrating image rejection in radio frequency circuitry |
| 01/01/2004 | US20040002311 Offset compensation in a direct-conversion receiver |
| 12/31/2003 | CN1133285C 多数字化频率上将接收信号数字化的无线电接收机及方法 Multi-frequency digital signal digitization will receive a radio receiver and method |
| 12/30/2003 | US6671340 Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers |