| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
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| 10/09/2003 | WO2003084053A2 'an upconverter' |
| 10/01/2003 | CN1446397A Calibration of quadrature receiver |
| 09/25/2003 | US20030179837 Direct conversion receiver |
| 09/24/2003 | CN1122357C Microwave mixing circuit |
| 09/10/2003 | EP1051807B1 A circuit arrangement for reducing passband ripple of a bandpass filter |
| 09/04/2003 | WO2003073636A1 3g radio |
| 09/04/2003 | WO2003073602A2 Method and device for detecting and processing electric and optical signals |
| 09/03/2003 | CN1120567C Microwave mixing circuit and down-converter |
| 08/13/2003 | EP1335487A2 Quadrature mixer circuit using double frequency conversion |
| 08/06/2003 | EP1332594A2 Method and device for the recording and processing of signal waves |
| 08/06/2003 | EP1332549A2 Photoelectronic mixing device (pmd) system |
| 08/05/2003 | US6603963 Remote loop-back device |
| 07/30/2003 | EP1330869A1 Method and device for detecting and processing signal waves |
| 07/30/2003 | CN1116616C Antenna-shared distributor and transmission and receiving apparatus using same |
| 07/24/2003 | WO2003061113A2 Opto-microwave transducer with suppression of local oscillator signal, and system using same |
| 07/23/2003 | EP1329018A1 Reducing the dc offset of a homodyne receiver |
| 07/23/2003 | CN1115894C Method and appts. of down frequency conversion |
| 07/16/2003 | CN1430307A Line coupled structure, mixer and transmitter-receiver set |
| 07/09/2003 | EP1326326A1 Demodulator and receiver |
| 07/09/2003 | EP1325552A2 Calibration of a quadrature receiver |
| 07/09/2003 | CN1114277C Microwave mixer circuit and down converter using said circuit |
| 07/08/2003 | CA2092960C Aperture-coupled microstrip line magic-tee |
| 07/02/2003 | EP1324422A2 Line coupling structure, mixer, and receiving/transmitting apparatus |
| 06/26/2003 | US20030119474 Quadrature mixer circuit including three-input local mixers |
| 06/26/2003 | US20030119471 Line coupling structure, mixer, and receiving/transmitting apparatus |
| 06/19/2003 | US20030114117 Tunable RF signal generation |
| 06/18/2003 | EP0676861B1 Balancing mixer, distributor and band blocking filter used therefor, and method for mixing frequencies |
| 06/05/2003 | WO2002033922A3 Method and device for the recording and processing of signal waves and corresponding method |
| 06/05/2003 | WO2002025805A3 Photoelectronic mixing circuit |
| 06/05/2003 | US20030102938 Photonic RF phase shifter with mitigated RF power fluctuation and devices incorporating the same |
| 05/30/2003 | WO2003044941A1 Microwave detector using fet resistive mixer |
| 05/21/2003 | EP1018214B1 Image rejection sub-harmonic frequency converter realized in microstrip, particularly adapted to be used in mobile communication equipments |
| 05/21/2003 | CN1109368C Microwave mix circuit and lower frequency converter with same |
| 05/08/2003 | WO2003038992A1 Filter-integrated even-harmonic mixer and high-frequency radio communication apparatus using the same |
| 05/06/2003 | US6559986 Method for converting the signal modulation of channels of an optical multiplex system to subcarrier frequencies |
| 03/25/2003 | US6539215 Down converter and demodulator using a three port junction |
| 03/13/2003 | WO2001065680A3 Architecture for intermediate frequency decoder |
| 03/06/2003 | US20030045262 Waveguide mixer/coupler |
| 03/05/2003 | CN1401155A 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure |
| 02/27/2003 | WO2002025804A3 Calibration of a quadrature receiver |
| 02/27/2003 | US20030039325 Synchronous detection method and device, and sensor signal detector |
| 02/27/2003 | US20030038684 Virtual coherent signal controlled oscillator |
| 02/12/2003 | CN1101601C Microwave resonator circuit and application for lower frequency-changer |
| 01/22/2003 | CN1099720C Nonradiation dielectric transmission line apparatus and instrument for measuring characteristics of circuit board |
| 01/16/2003 | WO2003005563A2 Integrated semiconductor mixer |
| 01/02/2003 | US20030002120 System and method for generating analog transmission signals |
| 01/02/2003 | EP1271764A1 Integrated diode mixer |
| 12/11/2002 | CN1096126C Electrical connector with integral supporting structure |
| 12/04/2002 | EP1012620B1 Fmcw sensor |
| 11/28/2002 | DE10112834C1 Direct signal mixing device for modulated light detection signal and HF AC voltage uses anti-serial diode pair |
| 11/26/2002 | US6487004 Optical image reject down converter |
| 11/21/2002 | WO2002093229A1 System and method for generating analog transmission signals |
| 11/07/2002 | WO2000024117A9 Method and system for down-converting an electromagnetic signal |
| 11/05/2002 | US6476957 Image rejecting microwave photonic downconverter |
| 11/05/2002 | US6476694 Non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different sizes of spaces |
| 10/30/2002 | EP1252707A1 Multifunction high frequency integrated circuit structure |
| 10/24/2002 | WO2001058006A9 Multifunction high frequency integrated circuit structure |
| 10/16/2002 | CN1374754A Mixer and converter using the same mixer |
| 09/24/2002 | CA2256279C Electronic part having non-radiative dielectric waveguide and integrated circuit using the same |
| 09/19/2002 | US20020132601 Non-radiative dielectric waveguide mixer using a ring hybrid coupler |
| 09/19/2002 | US20020131662 All optical image reject down-converter |
| 09/19/2002 | US20020131527 Modulation synthesis method for photonic wavelength shifting |
| 09/19/2002 | US20020131526 Modulation synthesis apparatus for photonic wavelength shifting |
| 09/12/2002 | US20020126019 Mixer and converter using same |
| 08/29/2002 | WO2002067368A1 Nrd guide ultra-high speed modulator using coupler |
| 08/29/2002 | WO2002067365A1 Nrd guide mixer |
| 08/29/2002 | WO2002067364A1 Ask modulator for nrd guide |
| 08/29/2002 | WO2002067363A1 Nrd guide frequency converter |
| 08/29/2002 | WO2002067362A1 Ask transceiver |
| 08/28/2002 | EP1076935A4 Double-balanced monolithic microwave integrated circuit mixer |
| 08/08/2002 | WO2002007304A3 Mixer using diodes |
| 08/08/2002 | US20020105390 Modulator and oscillator for microwave and milliwave use |
| 08/01/2002 | US20020102958 Sub-harmonically pumped k-band mixer utilizing a conventional ku-band mixer IC |
| 08/01/2002 | DE10101911A1 Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals Signal processing of an amplitude and / or phase-modulated high-frequency signal |
| 07/30/2002 | US6427069 Balanced all-wavelength sub-millimeter microwave subharmonic mixer |
| 07/18/2002 | WO2002056497A2 Signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal |
| 07/17/2002 | EP1051808B1 A circuit arrangement for reducing intermodulation in a bandpass filter system |
| 07/04/2002 | US20020084932 Mixer, radar module, and communication apparatus incorporating the same |
| 07/03/2002 | EP1219023A1 Method and apparatus for microwave signal generation that uses photonic mixing |
| 06/05/2002 | EP1211803A2 Mixer using a Diode |
| 05/14/2002 | US6389274 Subharmonic frequency converter for applications to millimetric radio waves |
| 05/02/2002 | EP1202465A2 Method and apparatus employing decimation filter for down conversion in a receiver |
| 04/25/2002 | WO2002033922A2 Method and device for the recording and processing of signal waves and corresponding method |
| 04/25/2002 | WO2002033817A1 Method and device for detecting and processing signal waves |
| 04/25/2002 | DE10047170A1 PMD-System PMD system |
| 04/18/2002 | WO2002031965A1 Demodulator and receiver |
| 04/18/2002 | US20020044613 I/Q demodulator device with three power detectors and two A/D converters |
| 04/16/2002 | US6373422 Method and apparatus employing decimation filter for down conversion in a receiver |
| 04/10/2002 | EP1195002A2 Device for frequency down-converting using undersampling , and method |
| 03/28/2002 | WO2002025805A2 Photoelectronic mixing circuit |
| 03/28/2002 | WO2002025804A2 Calibration of a quadrature receiver |
| 03/27/2002 | EP1191697A2 Local Oscillator for the Generation of an HF-Signal to be Directly Mixed by Avalanche-Photodiodes |
| 03/21/2002 | WO2002023712A1 Reducing the dc offset of a homodyne receiver |
| 03/20/2002 | EP1189338A1 I/Q demodulator device with three power detectors and two A/D converters |
| 03/14/2002 | US20020032014 Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes |
| 02/21/2002 | DE10065353A1 Lokaloszillator zur Erzeugung eines HF-Signals zur Direktmischung mittels Avalanche-Fotodioden Local oscillator for generating an RF signal to the mixture by means of direct avalanche photodiodes |
| 01/24/2002 | WO2002007304A2 Mixer using diodes |
| 01/24/2002 | WO2002007251A1 A non-radiative dielectric waveguide circuit positioned between two metal plates which are multi-layered for different sizes of spacers |
| 01/02/2002 | EP0927434B1 Thick film construct for quadrature translation of rf signals |
| 01/01/2002 | US6335658 Demodulation circuit |