| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
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| 01/04/1996 | WO1995031034A3 Microwave transmission system |
| 01/03/1996 | EP0690315A2 RF sensor and radar for automotive speed and collision avoidance applications |
| 12/06/1995 | EP0685930A1 Radar transmitter/receivers |
| 11/22/1995 | EP0683561A1 Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers |
| 11/16/1995 | WO1995031034A2 Microwave transmission system |
| 11/16/1995 | DE4432431C1 Microwave doppler module for velocity measurement or movement detection |
| 11/16/1995 | CA2166556A1 Microwave transmission system |
| 11/07/1995 | US5465420 Transconductance mixer with feedback |
| 11/07/1995 | US5465418 Self-oscillating mixer circuits and methods therefor |
| 11/07/1995 | US5465416 Balanced output high-frequency transducers and mixers using the same with symmetrically located components |
| 11/07/1995 | US5465414 Automatic determination of the presence of a microwave signal and whether the signal is CW or pulsed |
| 10/11/1995 | EP0676861A1 Balancing mixer, distributor and band blocking filter used therefor, and method for mixing frequencies |
| 10/03/1995 | US5455536 Demodulator circuit and demodulating method employing bit error rate monitor |
| 09/12/1995 | US5450227 Optically injection-locked self-oscillating dual-gate MESFET mixer |
| 08/30/1995 | EP0669006A1 Radar telemeter |
| 08/30/1995 | EP0669005A1 Microwave doppler module. |
| 07/04/1995 | US5430895 Transformer circuit having microstrips disposed on a multilayer printed circuit board |
| 07/04/1995 | CA2042544C High frequency, wide band, triple balanced mixer |
| 06/27/1995 | US5428840 Monolithic double balanced microstrip mixer with flat conversion loss |
| 06/27/1995 | US5428839 Planar magic-tee double balanced mixer |
| 06/27/1995 | US5428838 Diode mixer implemented in a planar monolithic IC |
| 05/23/1995 | US5418489 Method of recovering a frequency modulated signal |
| 05/10/1995 | EP0591260B1 Arrangement for a modulator |
| 05/09/1995 | US5414383 Four quadrant multiplier circuit and a receiver including such a circuit |
| 04/26/1995 | EP0650213A1 Array antenna and production process therefor |
| 04/20/1995 | WO1995010879A1 Method of recovering a frequency modulated signal |
| 03/23/1995 | WO1995008128A1 Radar telemeter |
| 03/23/1995 | DE4331353A1 Radar distance measurement equipment |
| 03/22/1995 | EP0403661B1 Mixer |
| 03/07/1995 | US5396658 Radio frequency antenna and mixer array |
| 02/15/1995 | EP0638818A1 Doppler radar module using microstrip techniques |
| 01/25/1995 | CN1097915A High frequency receiving apparatus |
| 01/05/1995 | DE4321190A1 Push-pull mixer |
| 01/03/1995 | US5379458 Transformerless diode mixer |
| 11/29/1994 | US5369795 High frequency transformer and mixer using the same |
| 11/10/1994 | WO1994026037A1 Self-oscillating mixer circuits and methods therefor |
| 11/09/1994 | EP0623993A2 Four quadrant multiplier circuit and a receiver including such a circuit |
| 11/09/1994 | CN1094874A Converter |
| 11/08/1994 | US5363105 Structure of multi-band microwave detector |
| 10/04/1994 | US5352885 Frequency converter for varying the frequency of a local signal over a wide band |
| 09/15/1994 | WO1994021032A1 Balancing mixer, distributor and band blocking filter used therefor, and method for mixing frequencies |
| 09/14/1994 | CN1092222A Demodulator circuit and demodulating method |
| 09/06/1994 | US5345239 High speed serrodyne digital frequency translator |
| 09/06/1994 | US5345194 FET having two gate bonding pads for use in high frequency oscillator |
| 08/23/1994 | US5341138 Structure of reception frequency converting portion in a multi-band microwave detector |
| 08/16/1994 | US5339462 Broadband mixer circuit and method |
| 08/16/1994 | US5339457 Superconductive electromagnetic wave mixer and superconductive electromagnetic wave mixing apparatus employing the same |
| 08/10/1994 | EP0609735A1 Frequency converter |
| 08/02/1994 | US5334884 Three junction squid mixer |
| 07/20/1994 | EP0607044A2 Dielectric waveguide mixer and dielectric waveguide radar module |
| 06/28/1994 | US5325129 Millimeter wavelength energy detector pixel having intermediate frequency amplification |
| 06/16/1994 | DE4313733A1 Receiver for high frequency radiation - has superposition device with two inputs, electrically conducting grids, Mach=Zehnder interferometer and detector |
| 06/09/1994 | DE4240492A1 Microwave propagation time measurement appts. - has receiver with compensation circuit forming sink for integrating echo signals in receiver |
| 05/31/1994 | US5317282 Tetrode biasing circuit |
| 05/26/1994 | WO1994011755A1 Microwave doppler module |
| 05/24/1994 | US5315136 Double-balanced mixer |
| 05/03/1994 | CA2050756C Modulator using low-pass filter as delay element |
| 04/19/1994 | US5304794 Method for mixing optical and microwave signals using a GaAs MESFET |
| 04/12/1994 | US5303419 Aperture-coupled line Magic-Tee and mixer formed therefrom |
| 04/12/1994 | US5303418 High isolation mixer |
| 03/22/1994 | US5296825 Bias circuit having signal output to detector portion |
| 03/08/1994 | CA1327643C Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna |
| 03/01/1994 | US5291201 Microwave integrated circuit frequency translating apparatus |
| 01/18/1994 | US5280649 Superconducting balanced mixer |
| 01/18/1994 | US5280648 Double-balanced high level wide band RF mixer |
| 01/18/1994 | US5280290 Self-oscillating mixer circuits, and FMCW radar |
| 11/23/1993 | US5265269 Intermediate frequency independent star mixer |
| 11/23/1993 | US5265268 Image recovery mixer |
| 11/23/1993 | US5265266 Resistive planar star double-balanced mixer |
| 11/23/1993 | US5264735 Superconducting non-linear device |
| 11/16/1993 | US5263198 Resonant loop resistive FET mixer |
| 11/16/1993 | US5262783 Motion detector unit |
| 11/02/1993 | US5258763 Superconducting non-linear device |
| 09/08/1993 | EP0559102A1 Frequency converter |
| 08/31/1993 | US5241228 UHF transistor mixer circuit |
| 08/18/1993 | EP0555689A2 Arrangement for downconverting microwave signals |
| 08/18/1993 | CN1075386A Arrangement for downconverting microwave signals |
| 08/12/1993 | DE4203206A1 Mixer for input and LO signals - filters at least part of mixer prods. by matching to transformer electric line lengths |
| 07/29/1993 | DE4201649A1 Compact converter for satellite signal reception - has second output allowing reception of extra satellite frequency band, e.g. from Astra 1C |
| 07/21/1993 | EP0551857A2 Mixer circuit using pulse-doped GaAs MESFET |
| 07/15/1993 | CA2086981A1 Mixer circuit using pulse-doped gaas mesfet |
| 07/13/1993 | US5227669 Superconducting non-linear device |
| 06/24/1993 | DE4213178A1 Double balanced diode mixer for HF range - has symmetrical stripline transducers coupled on either side of diode bridge with centre tap-off terminal |
| 06/23/1993 | EP0547782A1 Diode mixer |
| 05/26/1993 | EP0543431A1 Self-oscillating mixer circuits, and FMCW radar |
| 05/25/1993 | US5214397 Modulator using low-pass filter as delay element |
| 04/28/1993 | EP0539133A1 A transformer |
| 03/30/1993 | US5198786 Waveguide transition circuit |
| 02/25/1993 | DE4127892A1 Doppler sensor for microwave range and monolithic integration - has microwave transistor with nonlinear characteristic which is feedback coupled for self oscillating mode |
| 02/02/1993 | US5184136 Pulse radar and components therefor |
| 01/27/1993 | EP0524620A2 Field effect transistor and high frequency circuits using the same |
| 01/27/1993 | EP0524473A2 Three junction squid mixer |
| 01/20/1993 | EP0523770A1 Low-noise-block downconverter for use with flat antenna receiving dual polarized electromagnetic waves |
| 01/13/1993 | CN1068004A Device for modulator |
| 01/12/1993 | US5179732 Mixer having balun mounted to a support block |
| 01/07/1993 | WO1993000738A1 Arrangement for a modulator |
| 01/07/1993 | DE4121027A1 Anordnung fuer einen video- und tonmodulator Arrangement for a video and tonmodulator |
| 12/23/1992 | EP0519491A1 Frequency discriminator and heterodyne receiver provided with the frequency discriminator for coherent lightwave communications |
| 12/16/1992 | EP0517977A1 Pulse radar and components therefor |
| 12/16/1992 | EP0517976A1 Pulse radar |