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