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