| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
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| 08/09/2005 | US6927889 Process and device for detecting and processing signal waves |
| 07/27/2005 | CN1646937A Spatial information detecting device using intensity-modulated light |
| 07/13/2005 | CN1639965A Method and device for detecting and processing electric and optical signals |
| 07/13/2005 | CN1210863C N-port wiring apparatus and method for processing modulated digital radio-frequency signal |
| 07/07/2005 | US20050145773 Spatial information detecting device using intensity-modulated light |
| 06/30/2005 | US20050141582 Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system |
| 06/21/2005 | CA2174395C Unbalanced fet mixer |
| 06/14/2005 | CA2370100C Method for down-converting an electromagnetic signal |
| 06/01/2005 | EP1536555A1 Silicon substrate device and its manufacturing method |
| 05/31/2005 | US6900707 Photonic RF phase shifter with mitigated RF power fluctuation and devices incorporating the same |
| 05/17/2005 | US6895224 Electromagnetic wave receiver front end |
| 04/28/2005 | WO2005038975A1 Nrd guide transceiver, download system using the same, and download memory used for the same |
| 04/20/2005 | EP1524784A2 Voltage controlled oscillator |
| 03/24/2005 | US20050064840 Wideband distributed mixers |
| 03/22/2005 | US6871056 Non-radiative dielectric waveguide mixer using a ring hybrid coupler |
| 03/22/2005 | CA2303099C Image rejection sub-harmonic frequency converter realized in microstrip, particularly adapted to be used in mobile communication equipments |
| 03/10/2005 | WO2005022246A1 Electrical device utilizing charge recycling within a cell |
| 03/03/2005 | WO2004098042A3 Actively matched center-tapped marchand balanced mixer |
| 03/01/2005 | CA2394038C Demodulator and receiver |
| 02/24/2005 | US20050042993 Upconverter |
| 02/17/2005 | US20050037716 Apparatus and method for wideband integrated radio frequency detection |
| 01/27/2005 | US20050020231 Filter-integrated even-harmonic mixer and hi-frequency radio communication device using the same |
| 01/25/2005 | CA2347078C Method and system for down-converting an electromagnetic signal |
| 01/13/2005 | US20050009226 Silicon substrate device and its manufacturing method |
| 01/05/2005 | EP1493043A2 Spatial information detecting device using intensity-modulated light |
| 12/15/2004 | CN1180529C Mixed and converter using the same mixer |
| 12/01/2004 | EP1481472A2 Method and device for detecting and processing electric and optical signals |
| 11/17/2004 | EP1332549B1 Photoelectronic mixing device (pmd) system |
| 11/11/2004 | WO2004098042A2 Actively matched center-tapped marchand balanced mixer |
| 11/10/2004 | EP1076935B1 Double-balanced monolithic microwave integrated circuit mixer |
| 11/03/2004 | CN1174575C Direct converting receiver and radio receiver-transmitter |
| 10/26/2004 | US6810241 Microwave diode mixer |
| 10/26/2004 | US6810048 Virtual coherent signal controlled oscillator |
| 10/13/2004 | CN1537356A Photoelectronic mixing device system |
| 10/12/2004 | US6803814 Demodulator and method for the demodulation of modulated RF signals |
| 09/29/2004 | EP1461858A2 Opto-microwave transducer with suppression of local oscillator signal, and system using same |
| 09/23/2004 | US20040185816 Low temperature co-fired ceramic double balanced mixer |
| 09/23/2004 | US20040185812 Direct conversion circuit having reduced bit errors |
| 09/22/2004 | EP1460770A2 Direct conversion circuit having reduced bit errors |
| 09/16/2004 | US20040180644 Integrated semiconductor mixer |
| 09/16/2004 | US20040180643 Semiconductor integrated circuit device |
| 09/16/2004 | US20040178946 High-frequency oscillation apparatus, radio apparatus, and radar |
| 09/15/2004 | EP1458089A1 High-frequency oscillation apparatus, radio apparatus, and radar |
| 09/15/2004 | CN1529421A Digital demodulating-receiving device |
| 09/08/2004 | CN1166090C Correction for N end receiver |
| 08/25/2004 | CN1524337A Signal processing of an amplitude-modulated and/or phase-modulated high frequency signal |
| 08/19/2004 | WO2003073602A3 Method and device for detecting and processing electric and optical signals |
| 08/18/2004 | CN1522490A 集成半导体混频器 Integrated semiconductor mixer |
| 08/17/2004 | CA1341457C Mixer circuit |
| 07/28/2004 | CN1159839C Lower frequency converter and demodulator adopting three-port wire connector |
| 07/21/2004 | EP0962047B1 N-port direct receiver |
| 06/17/2004 | US20040113833 Microwave detector using fet resistive mixer |
| 06/10/2004 | WO2004019653A3 Parametric array modulation and processing method |
| 06/08/2004 | US6748203 Three port structure with modulated LO signal |
| 06/02/2004 | EP1424770A1 Balanced sub-harmonic mixer |
| 06/01/2004 | US6744829 Calibration of a quadrature receiver |
| 05/18/2004 | US6738611 Image rejection sub-harmonic frequency converter realized in microstrip, particularly adapted to be use in mobile communication equipments |
| 05/13/2004 | US20040092245 Balanced sub-harmonic mixed |
| 05/11/2004 | US6735261 Calibration of a N-port receiver |
| 04/21/2004 | EP1125359B1 Method and system for down-converting an electromagnetic signal |
| 04/21/2004 | CN1491458A NRD guide ultra-high speed modulator using coupler |
| 04/21/2004 | CN1491453A NRD guide mixer |
| 04/21/2004 | CN1491452A ASK modulator for NRD guide |
| 04/21/2004 | CN1491451A NRD guide frequency converter |
| 04/21/2004 | CN1491450A Ask收发器 Ask Transceivers |
| 04/20/2004 | US6725029 Compact, space efficient, sub-harmonic image reject mixer |
| 04/15/2004 | WO2003085413A3 Three dimensional image sensing device using intensity modulated light |
| 04/13/2004 | US6720833 Modulator and oscillator for microwave and milliwave use |
| 03/30/2004 | US6714602 Demodulator and receiver |
| 03/18/2004 | WO2004023644A1 Silicon substrate device and its manufacturing method |
| 03/18/2004 | WO2003084053A3 'an upconverter' |
| 03/18/2004 | US20040051926 Photoelectronic mixing device (pmd) system |
| 03/18/2004 | DE10101911B4 Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals Signal processing of an amplitude and / or phase-modulated high-frequency signal |
| 03/11/2004 | US20040046524 Signal processing of an amplitude-modulated and/or phase-modulated high frequency signal |
| 03/10/2004 | EP1396078A2 Signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal |
| 03/04/2004 | WO2004019653A2 Parametric array modulation and processing method |
| 03/03/2004 | CN1479968A Process and device for detecting and processing signal waves |
| 02/26/2004 | US20040037571 Voltage controlled oscillator, FM signal optical transmitter, FM signal optical receiver and FM signal optical transmission system |
| 02/17/2004 | US6693578 Mixer optimization for active radar warning receiver |
| 02/12/2004 | WO2003061113A3 Opto-microwave transducer with suppression of local oscillator signal, and system using same |
| 02/12/2004 | US20040029544 Direct conversion circuit capable of eliminating distortion of base band signals |
| 02/11/2004 | EP1388933A2 Direct conversion circuit capable of eliminating distirsion of base band signals |
| 02/04/2004 | CN1137541C Circuit arrangement for reducing passband ripple of bandpass filter |
| 01/22/2004 | US20040014446 Methods and systems for odd-order LO compensation for even-harmonic mixers |
| 01/22/2004 | US20040012834 Method and device for the recording and processing signal waves |
| 01/14/2004 | CN1134844C Planar dielectric integrated circuit |
| 12/11/2003 | WO2002056497A3 Signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal |
| 12/11/2003 | US20030228859 High isolation mixer |
| 12/10/2003 | CN1461518A Method and device for detecting and processing signal waves |
| 12/02/2003 | US6658216 Voltage controlled oscillator, FM signal optical transmitter, FM signal optical receiver and FM signal optical transmission system |
| 11/18/2003 | US6650178 N-port direct receiver |
| 11/05/2003 | CN1454408A Reducing the DC offset of a homodyne receiver |
| 11/04/2003 | US6643417 All optical image reject down-converter |
| 11/04/2003 | US6642882 Mixer, radar module, and communication apparatus incorporating the same |
| 10/30/2003 | WO2003005563A3 Integrated semiconductor mixer |
| 10/29/2003 | EP1252707B1 Multifunction high frequency integrated circuit structure |
| 10/29/2003 | CN1452407A Low-noise frequency changer using for satellite roadcast receiving system and in receiver unit |
| 10/29/2003 | CN1126275C Circuit arrangment for reducing intermodulation in bandpass filter system |
| 10/16/2003 | WO2003085413A2 Three dimensional image sensing device using intensity modulated light |
| 10/16/2003 | US20030194985 Low noise converter employed in satellite broadcast reception system and receiver apparatus |