Patents
Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196)
11/2008
11/19/2008CN201153248Y Low-noise frequency down device
11/06/2008WO2008132062A1 Distance sensor comprising an electro-optical mixer and an improved diplexer
09/2008
09/25/2008WO2007130084A3 Heterodyne receiver using resonant structures
08/2008
08/13/2008CN101242194A Digital demodulation device applied to CTCS standard point responder
05/2008
05/21/2008CN101185194A High-frequency electromagnetic wave receiver and broadband waveguide mixer
04/2008
04/23/2008EP1914585A1 Reciprocating multiplying/modulating system
04/09/2008EP0972337B1 Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal
04/02/2008CN101155290A VSB filter arrangement and method for implementing VSB/DSB signal conversion
04/02/2008CN100379147C Synchronous detection method and device
03/2008
03/27/2008WO2007125303A3 Transceiver
03/25/2008US7349676 Upconverter
02/2008
02/07/2008US20080030235 Clock-generator architecture for a programmable-logic-based system on a chip
01/2008
01/09/2008EP1875549A2 High frequency electromagnetic wave receiver and broadband waveguide mixer
11/2007
11/20/2007US7298178 Clock-generator architecture for a programmable-logic-based system on a chip
11/08/2007WO2007125326A1 Radiation detector
11/08/2007WO2007125303A2 Transceiver
11/06/2007US7292837 Mixer and converter using same
11/01/2007WO2007124202A2 Ac coupled voltage transducer for an rf sensor
10/2007
10/25/2007WO2007118762A1 Balanced series mixer for high frequency signals
10/18/2007DE102006017175A1 Balancierter Serienmischer für Hochfrequenzsignale Balanced mixer series for high frequency signals
10/17/2007EP1844544A2 Demodulator and modulator/demodulator by direct frequency conversion
08/2007
08/16/2007WO2007090369A1 Transmitting/receiving apparatus for simultaneous transmission and reception, and use of the transmitting/receiving apparatus
08/08/2007CN101015146A Means for receiving data via satellite using at least two polarisations
08/01/2007EP1813014A2 System and method for developing ultra-sensitive microwave and mllimeter wave phase discriminators
07/2007
07/03/2007CA2291848C Demodulator and method for the demodulation of modulated rf signals
06/2007
06/07/2007US20070129021 Nrd guide transceiver, download system using the same, and download memory used for the same
05/2007
05/30/2007CN1318857C Spatial information detecting device using intensity-modulated light
05/15/2007US7218685 Direct conversion receiver
04/2007
04/24/2007US7209723 Direct conversion circuit having reduced bit errors
04/05/2007WO2006040453A3 Demodulator and modulator/demodulator by direct frequency conversion
03/2007
03/21/2007EP1763931A1 Means for receiving data via satellite using at least two polarisations
03/08/2007WO2006111916A3 High frequency electromagnetic wave receiver and broadband waveguide mixer
02/2007
02/22/2007WO2007005035A3 Ultra- sensitive microwave and millimeter wave phase discriminator
02/07/2007EP1750140A2 Pulse radar system
01/2007
01/24/2007CN1901361A Wave detection circuit of IS 95 and EVDO in separating CDMA signals
01/23/2007US7167698 Balanced sub-harmonic mixer
01/16/2007US7164902 Filter-integrated even-harmonic mixer and hi-frequency radio communication device using the same
01/11/2007WO2007005035A2 Ultra- sensitive microwave and millimeter wave phase discriminator
12/2006
12/13/2006CN1290254C Process and device for detecting and processing signal waves
11/2006
11/28/2006US7142570 Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
11/23/2006US20060261377 Electrical device utilizing charge recycling within a cell
11/21/2006US7139535 Signal processing of an amplitude-modulated and/or phase-modulated high-frequency signal
11/15/2006EP1721385A1 Broadband subharmonic sampling phase detector
11/07/2006CA2317968C Automatic modulation type discrimination apparatus and automatic modulation type discrimination method capable of discriminating plural kinds of modulation types
10/2006
10/31/2006US7130606 Integrated semiconductor mixer
10/31/2006US7130577 Low noise converter employed in satellite broadcast reception system and receiver apparatus
10/24/2006US7126323 Systems and methods for synchronous detection of signals
10/10/2006US7119350 Spatial information detecting device using intensity-modulated light and a beat signal
09/2006
09/27/2006CN1277350C Demodulator and method for demodulating modulated radio frequency signals
09/06/2006CN1828912A 半导体装置及其驱动方法 Semiconductor device and method of driving
09/05/2006US7102391 Clock-generator architecture for a programmable-logic-based system on a chip
08/2006
08/22/2006US7095998 Mixer and converter using same
08/22/2006US7095366 High-frequency oscillation apparatus, radio apparatus, and radar
07/2006
07/25/2006US7081980 Method and device for detecting and processing electric and optical signals
07/25/2006US7081370 Silicon substrate apparatus and method of manufacturing the silicon substrate apparatus
07/19/2006CN1265500C ASK modulator for NRD wave guide
07/13/2006DE102005050328A1 Schottky-Diode Schottky diode
07/11/2006US7076170 System and method for generating analog transmission signals
06/2006
06/29/2006US20060141977 Mixer and converter using same
06/27/2006US7068744 Synchronous detection method and device, and sensor signal detector
06/07/2006CN2786867Y Full frequency section simultaneous output low noise frequency demultiplier
05/2006
05/23/2006US7050779 Semiconductor integrated circuit device
05/02/2006US7039383 Quadrature mixer circuit including three-input local mixers
04/2006
04/13/2006DE10065353B4 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
04/11/2006US7027795 Low temperature co-fired ceramic double balanced mixer
03/2006
03/30/2006DE102005030345A1 Mixer for high frequency transceiver has voltage supply circuit connected to Schottky barrier diode and comprising trimmable chip resistor which controls bias current to Schottky barrier diode provided at output terminal of coupler
03/28/2006US7020452 Actively matched center-tapped marchand balanced mixer
03/22/2006CN1749714A Method and apparatus for delay-sensitive measurement of a signal
03/15/2006EP1635452A1 Method and apparatus for delay-sensitive measurement of a signal.
03/14/2006US7012738 Method and device for detecting and processing signal waves
03/09/2006US20060050352 Method and device for detecting and processing electric and optical signals
03/09/2006DE102005037877A1 Diodenmischer Diode mixer
02/2006
02/28/2006US7006814 Direct conversion receiver and transceiver
02/14/2006US6999528 I/Q demodulator device with three power detectors and two A/D converters
01/2006
01/31/2006US6993312 Double balanced diode mixer with high output third order intercept point
12/2005
12/21/2005CN1233062C Line coupled structure, mixer and transmitter-receiver set
12/14/2005EP1605585A1 Harmonic mixer using anti parallel diodes
12/06/2005CA2285557C Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal
11/2005
11/17/2005WO2005109703A1 Means for receiving data via satellite using at least two polarisations
11/17/2005CA2569594A1 Means for receiving data via satellite using at least two polarisations
10/2005
10/27/2005US20050237593 PMD system and method for operating same
10/20/2005US20050233722 Signal-processing electronics
10/12/2005EP1585234A1 Photoelectronic Mixing Device (PMD) system and method for operating a PMD
10/12/2005EP1584905A2 Electronic device for processing signals
10/12/2005CN1681197A Pmd system and method for operating same
10/12/2005CN1680791A Signal-processing electronics
10/06/2005WO2005093945A1 Broadband subharmonic sampling phase detector
10/06/2005US20050221786 Radio communication device
10/06/2005US20050221772 Harmonic mixer and radio communication device having the same
10/06/2005CA2540506A1 Broadband subharmonic sampling phase detector
10/05/2005EP1583226A2 Radio communication device
10/05/2005CN1222076C Electronic part having non-radiative dielectric waveguide and integrated circuit using the same
10/04/2005CA2280870C N-port direct receiver
09/2005
09/28/2005CN1221136C Low-noise frequency changer and receiving device using the low-noise frequency changer
09/27/2005US6950639 Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes
09/22/2005US20050207587 Parametric array modulation and processing method
09/20/2005US6947717 High isolation mixer
09/08/2005US20050194960 Broadband subharmonic sampling phase detector
09/07/2005CN1218473C 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure
08/2005
08/16/2005US6931246 Line coupling structure, mixer, and receiving/transmitting apparatus comprised of suspended line and dielectric waveguide
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