| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
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| 04/02/1985 | US4509209 Quasi-optical polarization duplexed balanced mixer |
| 04/02/1985 | US4509208 Frequency conversion unit |
| 03/12/1985 | US4504791 Sampling frequency converter |
| 03/06/1985 | EP0133799A2 Tuning system on dielectric substrates |
| 02/05/1985 | CA1182180A1 Simplified double balanced frequency converter |
| 01/23/1985 | EP0131633A1 Frequency converter |
| 01/22/1985 | US4495499 Integrated oscillator-duplexer-mixer |
| 01/03/1985 | WO1985000080A1 Millimeter-wave quasi-optical planar balanced mixer |
| 01/01/1985 | US4491977 Millimeter-wave quasi-optical planar balanced mixer |
| 12/11/1984 | US4488109 Phase detectors for detecting a mutual phase difference between two signals |
| 11/27/1984 | US4485488 Microwave subharmonic mixer device |
| 11/21/1984 | EP0125449A2 Aperture-coupled microwave apparatus |
| 11/07/1984 | EP0124168A2 Mixer |
| 10/30/1984 | US4480336 Orthogonal hybrid fin-line mixer |
| 10/23/1984 | US4479260 Coupling and mixing circuit comprising a dual source transistor |
| 09/11/1984 | US4471313 Demodulator for phase difference demodulated signals |
| 08/14/1984 | US4465990 Microwave detector arrangement |
| 08/02/1984 | WO1984003008A1 Frequency converter |
| 07/17/1984 | US4461040 Integrated single balanced mixer/oscillator with slot and hybrid coupler |
| 07/17/1984 | US4461039 Quasi-optical balanced biconical mixer |
| 06/13/1984 | EP0110324A1 Microwave receiving apparatus using a waveguide filter |
| 06/12/1984 | US4453802 Evanescent-wave coupling device |
| 05/22/1984 | US4450584 Microwave integrated circuit mixer |
| 04/10/1984 | CA1165387A1 Sampling frequency converter |
| 03/14/1984 | EP0102888A1 Mixer for ultra high frequency electromagnetic waves with sum frequency recovery |
| 03/07/1984 | EP0102128A2 R.F. balanced mixer |
| 03/07/1984 | EP0102127A2 R.F. circuit arrangement |
| 03/06/1984 | US4435848 Stripline microwave balanced mixer circuit |
| 02/29/1984 | EP0101611A2 Transmitter-receiver module |
| 02/08/1984 | EP0100274A1 Matching and isolatung arrangement with ferrite circulator |
| 02/07/1984 | US4430758 Suspended-substrate co-planar stripline mixer |
| 01/31/1984 | US4429417 Integrated antenna, amplifier and converter for microwave frequencies |
| 01/24/1984 | US4427938 Very-wide-band samplers |
| 01/10/1984 | US4425549 Fin line circuit for detecting R.F. wave signals |
| 12/28/1983 | EP0097075A1 Very high frequency mixer for electromagnetic waves |
| 12/13/1983 | US4420839 Hybrid ring having improved bandwidth characteristic |
| 11/29/1983 | US4418430 Millimeter-wavelength overmode balanced mixer |
| 11/29/1983 | US4418429 Mixer for use in a microwave system |
| 11/16/1983 | EP0094047A1 A mixer for use in a microwave system |
| 10/25/1983 | US4412354 Millimeter-wave stripline planar mixer |
| 10/25/1983 | US4412351 Microwave mixing circuit |
| 10/18/1983 | US4411022 Integrated circuit mixer apparatus |
| 10/12/1983 | EP0091378A1 Frequency conversion unit |
| 10/12/1983 | EP0091201A1 Microwave discriminator |
| 10/12/1983 | EP0091042A1 Millimeter-wave mixer |
| 10/04/1983 | CA1154830A1 Microwave circuit for a parametric upper sideband down converter |
| 09/20/1983 | US4406020 Millimeter wave printed circuit mixer |
| 09/07/1983 | EP0087841A1 Use of a dual gate field-effect transistor with an interposed conductor for the rejection of a frequency band |
| 08/16/1983 | US4399562 Full balun mixer |
| 08/09/1983 | CA1151739A1 Electronically tuned gunn oscillator and mixer including the same |
| 07/20/1983 | EP0083895A1 Microwave circuit acting as modulator, mixer and transmission-reception separator and devices using such a circuit |
| 07/05/1983 | US4392255 Compact subharmonic mixer for EHF wave receiver using a single wave guide and receiver utilizing such a mixer |
| 07/05/1983 | US4392251 Symmetric microwave mixer with coplanar diode connection |
| 07/05/1983 | US4392250 Symmetric microwave mixer |
| 06/22/1983 | EP0081818A2 Microwave integrated circuit frequency converter |
| 06/15/1983 | EP0081259A1 Mixer-combiner with a transistor having two sources |
| 06/07/1983 | US4387347 Delay line frequency discriminator for stabilizing an oscillator |
| 05/04/1983 | EP0078187A2 High-frequency subharmonic mixing device, and its use in a h.f. frequency-converter |
| 05/04/1983 | EP0077915A2 Evanescent-wave coupling device |
| 04/19/1983 | US4380831 Symmetric microwave mixer with improved isolation |
| 04/19/1983 | US4380830 Microwave up-converter |
| 04/19/1983 | US4380829 Simplified double balanced frequency converter |
| 04/12/1983 | CA1144613A1 Waveguide device |
| 03/15/1983 | US4377005 Ultra-high frequency hybrid mixer |
| 03/01/1983 | US4375699 Microwave frequency converter with dual balun port |
| 02/01/1983 | US4371982 Microwave frequency converter with economical coupling |
| 01/18/1983 | US4369522 Singly-balanced active mixer circuit |
| 01/05/1983 | EP0068870A2 Microwave integrated circuit mixer |
| 11/30/1982 | US4361818 Balanced converter for microwave range |
| 11/23/1982 | US4360865 Broad band microwave detector |
| 11/16/1982 | US4359782 Microwave mixer with linking juxtaposed balun port |
| 11/16/1982 | US4359781 Balun coupled microwave frequency converter with single pair of diodes |
| 11/03/1982 | EP0063819A2 Microwave balanced mixer circuit using microstrip transmission lines |
| 10/19/1982 | US4355421 Broadband mixer with coplanar balun |
| 10/05/1982 | US4353070 Broad band system operating in the submillimeter wave range |
| 09/22/1982 | EP0060654A1 Improvements in or relating to electronic distance measuring instruments |
| 09/07/1982 | US4348773 Microwave receiver converters having a hybrid waveguide structure |
| 08/31/1982 | CA1130868A1 Double-balanced mixer circuit provided with a stripline for each side of the diode ring |
| 08/24/1982 | CA1130484A1 Impedance matched tuning device having image trapping circuit |
| 08/11/1982 | EP0057480A1 Oscillator-mixer device stabilized by a dielectric resonator |
| 07/27/1982 | US4342009 Electronically tuned Gunn oscillator and mixer including the same |
| 07/20/1982 | US4340975 Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit |
| 07/20/1982 | CA1128135A1 Microwave mixing circuit |
| 06/01/1982 | US4333076 Ultra-high frequency simultaneous transmission and reception head, millimeter wave transmitter - receiver and radar using such a head |
| 05/18/1982 | US4330868 Balun coupled microwave frequency converter |
| 04/28/1982 | EP0050393A2 Finline circuit configuration |
| 04/20/1982 | US4326180 Microwave backdiode microcircuits and method of making |
| 04/13/1982 | US4325144 Hysteretic SIS junction mixer |
| 03/17/1982 | EP0047686A1 Hybrid microwave mixer |
| 03/16/1982 | US4320536 Subharmonic pumped mixer circuit |
| 02/23/1982 | US4317231 Microwave circuit for a parametric upper sideband down converter |
| 02/09/1982 | CA1118050A1 Integrated mixer arrangement |
| 01/27/1982 | EP0044774A1 Hybrid up-converter |
| 01/26/1982 | US4313223 Signal-amplification frequency-conversion apparatus having a common active component |
| 01/26/1982 | CA1117189A1 Balanced active mixer circuit |
| 12/15/1981 | US4306312 Symmetric mixer for millimeter waves and a receiver using such a mixer |
| 12/15/1981 | US4306311 Double-balanced mixer circuit |
| 12/08/1981 | CA1114023A1 Microwave input circuit with parametric down converter |
| 11/03/1981 | US4298990 Frequency converter of electromagnetic radiation in millimeter and submillimeter wavelength range |
| 10/06/1981 | US4293956 Double-balanced mixer |