| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
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| 05/03/1988 | US4742571 Coupling device between a metal wave guide, a dielectric wave guide and a semiconductor component and a mixer using this coupling device |
| 04/19/1988 | US4739519 Coplanar microwave balun, multiplexer and mixer assemblies |
| 04/07/1988 | DE3632008A1 Finline waveguide-type quadrature mixer |
| 04/07/1988 | DE3632002A1 Cross-bar quadrature mixer |
| 03/08/1988 | CA1233888A1 Image suppression mixer of the waveguide type |
| 02/02/1988 | US4723113 Very high frequency harmonic generator |
| 11/24/1987 | US4709410 Frequency conversion circuits |
| 11/11/1987 | EP0245048A2 Finline millimeter wave detector |
| 11/04/1987 | EP0244105A2 Integrated capacitance structures in microwave finline devices |
| 09/15/1987 | US4694260 Microwave discriminator and devices using said discriminator |
| 09/01/1987 | US4691380 Quad-ridge waveguide mixer |
| 09/01/1987 | US4691379 Mixer circuit |
| 09/01/1987 | US4691376 Frequency converter |
| 08/18/1987 | US4688005 Self-oscillating mixer with Darlington transistors |
| 08/12/1987 | EP0231541A1 Single side band harmonic frequency converter, in particular for high-frequency receiving and transmitting systems |
| 08/04/1987 | CA1225127A1 Millimeter wave image guide band reject filter |
| 07/07/1987 | US4679249 Waveguide-to-microstrip line coupling arrangement and a frequency converter having the coupling arrangement |
| 06/30/1987 | US4677693 Frequency conversion circuit |
| 06/24/1987 | CN86108884A Single side band harmonic frequency converter for high-frequency receiving and transmitting systems |
| 06/23/1987 | US4675911 Monolithic microwave integrated circuit broadband mixer |
| 06/02/1987 | CA1222550A1 Microwave push-pull frequency converter |
| 04/28/1987 | US4662000 Frequency conversion circuits |
| 04/28/1987 | US4661999 Microwave push-pull frequency converter |
| 04/28/1987 | US4661998 Double superheterodyne tuner |
| 04/28/1987 | US4661997 Mixer for use in a microwave system |
| 04/22/1987 | EP0219366A1 High order harmonic generator |
| 04/14/1987 | US4658440 Single balanced self-oscillating dual gate FET mixer |
| 04/14/1987 | CA1220528A1 Microwave mixer |
| 03/31/1987 | US4654888 Image suppression mixer of the waveguide type |
| 03/31/1987 | US4654887 Radio frequency mixer |
| 03/31/1987 | CA1219918A1 Microwave receiving apparatus using a wave-guide filter |
| 03/17/1987 | US4651344 VHF-UHF mixer having a balun |
| 03/03/1987 | US4648129 Frequency converter |
| 02/24/1987 | CA1218416A1 R.f. circuit arrangement |
| 02/04/1987 | EP0210903A1 Coupling device between a metallic waveguide, a dielectric waveguide and a semiconductor component, and mixer using such a device |
| 02/03/1987 | US4641369 Local oscillator and mixer assembly |
| 01/13/1987 | US4637070 UHF mixing circuit having π configured impedance converter |
| 01/13/1987 | US4637068 Ring hybrid mixing |
| 12/30/1986 | US4633520 Prescaler input circuit |
| 12/30/1986 | EP0206203A2 Recording and reproducing apparatus using a modulator/demodulator for Offset Quadrature Differential Phase-Shift Keying |
| 12/10/1986 | EP0204120A2 Monolithic distributed mixer |
| 12/02/1986 | US4627104 Mixer |
| 11/25/1986 | CA1214522A1 Microwave oscillator and single balanced mixer for satellite television receiver |
| 10/21/1986 | US4619001 Tuning systems on dielectric substrates |
| 10/14/1986 | CA1212731A1 Matching and isolating device comprising a ferrite circulator |
| 10/01/1986 | EP0196098A2 Broadband Amplifier/Mixer |
| 09/10/1986 | EP0193849A2 Single balanced planar mixer |
| 09/02/1986 | US4610032 Sis mixer having thin film wrap around edge contact |
| 08/26/1986 | US4608713 Frequency converter |
| 08/26/1986 | CA1210524A1 Use of a field effect transistor having a dual gate and an intermediate ohmic island for the rejection of a frequency band |
| 08/19/1986 | US4607394 Single balanced planar mixer |
| 08/13/1986 | EP0190902A2 Mixer circuit |
| 08/13/1986 | EP0190613A1 Microwave discriminator and device for using it |
| 08/12/1986 | US4605909 Dual gate FET oscillator mixer |
| 07/29/1986 | US4603437 Balanced mixer |
| 07/29/1986 | US4603436 Microwave double balanced mixer |
| 07/29/1986 | US4603435 Microwave mixer apparatus |
| 07/23/1986 | EP0188326A2 SIS mixer having thin-film wrap-around edge contact |
| 07/08/1986 | CA1207397A1 Frequency converter |
| 07/02/1986 | EP0186295A1 Local oscillator and mixer assembly |
| 07/01/1986 | US4598424 Microwave mixer circuit |
| 06/25/1986 | EP0185446A2 Transmitter/receiver |
| 05/27/1986 | US4592095 Microwave FET mixer arranged to receive RF input at gate electrode |
| 05/20/1986 | US4590617 Hermetically sealed planar structure for high frequency device |
| 04/29/1986 | CA1203850A1 Microwave mixer with recovery of the sum frequency |
| 04/01/1986 | US4580290 Amplifier for use with local oscillators |
| 03/25/1986 | CA1202372A1 Microwave integrated circuit frequency converter |
| 02/25/1986 | US4573213 Dual Gunn diode self-oscillating mixer |
| 02/25/1986 | US4573212 Integrated receiver antenna device |
| 02/18/1986 | US4571564 Aperture-coupled microwave apparatus |
| 01/21/1986 | US4566132 Multifunction ultra-high frequency circuit and means using such a circuit |
| 01/15/1986 | EP0167582A1 Antenna/mixer construction for microwave radar detectors |
| 01/07/1986 | US4563773 Monolithic planar doped barrier subharmonic mixer |
| 12/31/1985 | CA1198781A1 Multifunction ultra-high frequency circuit and means using such a circuit |
| 11/21/1985 | EP0161944A2 Image suppression mixer of the waveguide type |
| 11/19/1985 | US4554680 Three diode balanced mixer |
| 11/12/1985 | US4553266 R.F. Circuit arrangement |
| 11/12/1985 | US4553265 Monolithic single and double sideband mixer apparatus |
| 11/06/1985 | EP0160156A1 Structure forming transmitting and receiving cavities placed side by side for microwaves |
| 11/05/1985 | CA1196389A1 Integrated single balanced mixer/oscillator with slot and hybrid coupler |
| 10/15/1985 | US4547901 Microwave receiving apparatus using a waveguide filter |
| 10/15/1985 | CA1195393A1 Aperture-coupled microwave apparatus |
| 10/09/1985 | EP0157682A1 Gyromagnetic resonator filter combined with a mixer |
| 10/01/1985 | US4545073 Millimeter wave image guide band reject filter and mixer circuit using the same |
| 10/01/1985 | US4544902 Mount for millimeter wave application |
| 09/17/1985 | US4542535 R.F. balanced mixer |
| 09/10/1985 | US4541124 Microwave mixer |
| 09/10/1985 | US4541123 Mixer circuit |
| 09/10/1985 | US4541120 Transmitter-receiver module |
| 08/21/1985 | EP0151730A1 Radio frequency receiving apparatus |
| 07/23/1985 | US4531236 Microwave integrated circuit frequency converter |
| 07/18/1985 | WO1985003170A1 Antenna/mixer construction for microwave radar detectors |
| 07/03/1985 | EP0146860A2 Wide-band frequency discriminator |
| 06/26/1985 | EP0146086A2 Microwave balun for mixers and modulators |
| 06/26/1985 | EP0145712A1 Millimeter-wave quasi-optical planar balanced mixer |
| 06/11/1985 | US4523159 Microwave oscillator and single balanced mixer for satellite television receiver |
| 06/05/1985 | EP0143225A2 Microwave-balanced mixer |
| 05/21/1985 | CA1187602A1 Horn antenna and mixer construction for microwave radar detectors |
| 05/07/1985 | US4516271 Microwave mixer with recovery of the sum frequency |
| 05/07/1985 | CA1186734A1 Phase detectors for detecting a mutual phase difference between two signals |