Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves
Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196)
11/1999
11/11/1999WO1999057818A1 Double-balanced monolithic microwave integrated circuit mixer
11/09/1999US5983089 Slotline-mounted flip chip
11/02/1999US5978666 Slotline-mounted flip chip structures
11/02/1999US5977835 Method and circuit arrangement for reducing passband ripple of a bandpass filter
10/1999
10/28/1999WO1999039432A9 Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal
10/19/1999US5970401 Balanced-type mixer having circuit board
10/05/1999US5963858 Method and apparatus for mixing signals
09/1999
09/22/1999EP0943176A1 Double balanced compact mixer using microwave monolithic integrated circuit cold fet quad
09/16/1999WO1999039432B1 Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal
09/14/1999US5953644 Microwave transmission system
09/14/1999CA2187967C Balanced modulator
09/08/1999EP0940014A1 Method and apparatus for mixing signals
08/1999
08/17/1999US5940750 Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers
08/12/1999WO1999040686A1 A method and circuit arrangement for reducing passband ripple of a bandpass filter
08/11/1999EP0906666A4 Printed circuit board having integrated broadside microwave coupler
08/10/1999US5937118 Quantum synthesizer, THz electromagnetic wave generation device, optical modulation device, and electron wave modulation device
08/05/1999WO1999039432A1 Structure and method for super fet mixer having logic-gate generated fet square-wave switching signal
08/04/1999EP0932941A1 Slotline-mounted flip chip structures
07/1999
07/29/1999WO1999038268A1 A circuit arrangement for reducing passband ripple of a bandpass filter
07/29/1999WO1999038267A1 A circuit arrangement for reducing intermodulation in a bandpass filter system
07/20/1999US5926129 Combined duplexer and mixer
07/08/1999WO1999034505A1 A mixer for a receiver
07/08/1999DE2742779C1 Strip conductor mixer circuit
07/07/1999EP0927434A1 Thick film construct for quadrature translation of rf signals
07/06/1999US5920245 Nonradiative dielectric line apparatus including a specifically oriented circuit board
07/01/1999WO1999033166A1 N-port direct receiver
07/01/1999WO1999007122A8 Biphase modulator with balun design
06/1999
06/30/1999EP0926812A1 Six-port junction device
06/30/1999EP0926760A1 Electronic part having non-radiative dielectric waveguide and integrated circuit using the same
06/30/1999CN1221230A Electronic part having non-radiative dielectric waveguide and integrated circuit using the same
06/16/1999CN1219826A 下行转换混合器 Down-conversion mixer
05/1999
05/11/1999US5903827 Single balanced frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
04/1999
04/29/1999WO1999007122A9 Biphase modulator with balun design
04/28/1999EP0911963A1 Microwave mixing circuitry and down-converter
04/13/1999CA2134008C Array antenna and production process therefor
04/07/1999EP0906666A1 Printed circuit board having integrated broadside microwave coupler
04/07/1999EP0906658A1 Subharmonic frequency converter for applications to millimetric radio waves
04/07/1999EP0906657A1 Frequency converter for the application on millimetric radio waves
04/07/1999CN1213216A Microwave mixing circuit and down-converter
03/1999
03/30/1999US5890060 Micro-wave mixing circuit and down-flow converter using the same
03/25/1999WO1999014853A1 Image rejection sub-harmonic frequency converter realized in microstrip, particularly adapted to be used in mobile communication equipments
03/24/1999EP0902895A1 Interferometric signal processing apparatus
03/04/1999WO1999010756A1 Fmcw sensor
03/04/1999CA2315786A1 Fmcw sensor
02/1999
02/24/1999EP0897600A1 High performance mixer structures for monolithic microwave integrated circuits
02/11/1999WO1999007122A1 Biphase modulator with balun design
02/11/1999CA2297759A1 Biphase modulator with balun design
02/02/1999US5867072 Method of balancing a microwave biphase modulator circuit
01/1999
01/19/1999US5862466 Method and apparatus for automatically balancing a radio-frequency mixer
12/1998
12/30/1998WO1998059415A1 Remote loop-back device
12/22/1998US5852771 Mixer with two diodes including DC coupled if
12/17/1998DE19724844A1 Multiple microwave balanced mixer, especially double balanced mixer
12/16/1998EP0884854A2 Microwave detector
12/16/1998CN1202020A Frequency converter used in microwave system
12/08/1998US5847620 Dielectric resonator phase shifting frequency discriminator
12/08/1998CA2148604C Method of recovering a frequency modulated signal
11/1998
11/25/1998CN1200208A Coplanar mixer assembly
11/18/1998CN1199514A High performance mixer and method of designing same
11/12/1998WO1998051004A1 Double balanced compact mixer using microwave monolithic integrated circuit cold fet quad
11/12/1998CA2259262A1 Double balanced compact mixer using microwave monolithic integrated circuit cold fet quad
11/11/1998EP0877476A1 Down conversion mixer
11/03/1998US5832376 For use at microwave or millimeter wave frequencies
10/1998
10/20/1998US5825018 Optical lock-in detection technique for coherent detection applications
10/13/1998US5821825 Optically controlled oscillator
10/07/1998EP0869574A2 A balun circuit
10/06/1998US5819169 High performance mixer structures for monolithic microwave integrated circuits
10/06/1998US5818381 Electronic viewing aid
09/1998
09/29/1998CA2071624C Frequency discriminator and heterodyne receiver provided with the frequency discriminator for coherent lightwave communications
09/23/1998CN1193825A Planar dielectric integrated circuit
09/22/1998CA2149328C Radar distance measuring device
09/17/1998WO1998040981A1 Method for converting optical multiplex system channel signal modulation into subcarrier frequencies
09/16/1998EP0864207A1 Coplanar mixer assembly
09/16/1998EP0766833B1 Electronic viewing aid
09/15/1998US5809409 Balanced mixer, distributer and band rejection filter for use in same, and frequency mixing method
09/02/1998EP0862215A2 Planar dielectric integrated circuit
09/01/1998US5801590 Dielectric resonator oscillator and down converter using the same
08/1998
08/25/1998US5799248 For mixing a radio-frequency signal with a local oscillator signal
08/11/1998US5794135 Millimeter wave mixer realized by windowing
08/11/1998US5794133 Microwave mixing circuit
08/05/1998EP0856940A1 Diode arrangement for double balanced mixer
08/05/1998CN1189705A Antenna-Shared distributor and transmission and receiving apparatus usingsame
08/04/1998US5790945 Resonator for coupling intermediate frequency signals from a radio frequency mixer
08/04/1998US5790078 Superconducting mixer antenna array
08/04/1998US5789963 Low power consumption mixer and frequency conversion with inter-terminal isolation for stable mixing
07/1998
07/23/1998DE19739478A1 Automatic balancer for high frequency mixer in spectrum analyser
07/21/1998US5784021 Noiseless radar detector
07/07/1998US5777778 Multi-Loop opto-electronic microwave oscillator with a wide tuning range
06/1998
06/30/1998US5774801 High dynamic range mixer having low conversion loss, low local oscillator input power, and high dynamic range and a method for designing the same
06/23/1998US5770989 Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board
06/10/1998EP0846366A1 High performance mixer and method of designing same
06/02/1998US5761616 Frequency mixer for a doppler radar module
05/1998
05/27/1998EP0844731A1 Transceivers
05/26/1998US5757243 High frequency system including a superconductive device and temperature controlling apparatus
05/19/1998US5754951 Microwave mixing circuit and a down converter comprising it
05/12/1998US5752180 Converter for processing RF signals having different polarizations
04/1998
04/29/1998EP0838693A1 Antenna-shared distributor and transmission and receiving apparatus using same
04/28/1998US5745017 Thick film construct for quadrature translation of RF signals
04/28/1998US5745005 Demodulating system for carrier-wave and single pulse modulated signals
04/23/1998DE19710033C1 Signal modulation conversion method for optical multiplex system
04/21/1998US5742901 Balanced modulator
1 2 3 4 5 6 7 8 9 10 11 12