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 |