| Patents for H03D 9 - Demodulation or transference of modulation of modulated electromagnetic waves (1,196) |
|---|
| 09/22/1981 | US4291415 Microwave integrated circuit double balanced mixer |
| 09/01/1981 | US4287605 Directional filter for mixers, converters and the like |
| 09/01/1981 | US4287603 Radiated input mixer |
| 08/18/1981 | US4284967 Waveguide device |
| 07/22/1981 | EP0032330A1 Subharmonic mixer for millimeter wave receiver, and receiver using such a mixer |
| 07/08/1981 | EP0031769A2 Very broad band samplers |
| 06/30/1981 | US4276655 Integrated circuit planar high frequency mixer |
| 05/26/1981 | US4270224 Microwave down converter |
| 04/28/1981 | US4264881 Microwave device provided with a 1/2 lambda resonator |
| 04/21/1981 | US4263554 Frequency discriminator apparatus |
| 04/14/1981 | CA1099343A1 Frequency converter |
| 03/31/1981 | US4259743 Transmit/receive microwave circuit |
| 03/10/1981 | US4255730 Microwave integrated circuit device |
| 02/17/1981 | US4251817 Microwave integrated circuit device for transmission/reception of a signal |
| 02/03/1981 | US4249263 Mixer circuit |
| 02/03/1981 | US4249134 Radio frequency detectors |
| 01/28/1981 | EP0022990A1 Microstrip microwave balun |
| 01/13/1981 | US4245356 Frequency translator |
| 01/13/1981 | US4245355 Microwave frequency converter |
| 01/07/1981 | EP0021872A1 High frequency circuit block for simultaneously transmitting and receiving, transmitter-receiver for millimeter waves and radar using such a circuit block |
| 01/07/1981 | EP0021426A1 Microwave and millimeter wave mixer |
| 12/23/1980 | US4241348 Radar equipment for vehicles |
| 12/16/1980 | US4240052 Balun filter apparatus |
| 11/04/1980 | US4232401 Millimeter wave image guide integrated balanced mixer |
| 10/28/1980 | US4231038 Doppler radar device |
| 10/21/1980 | US4229828 Bi-mode millimeter wave mixer |
| 10/01/1980 | EP0016695A1 Symmetrical mixer for millimeter waves and receiver using such a mixer |
| 10/01/1980 | EP0016674A1 Frequency discriminator for oscillator and hyperfrequency oscillator stabilized thereby |
| 09/23/1980 | US4224572 Broadband doubly balanced mixer having improved termination insensitivity characteristics |
| 09/17/1980 | EP0015838A1 Wide-band hyperfrequency mixer |
| 08/26/1980 | US4219779 Self-oscillating mixer circuit |
| 07/29/1980 | US4215313 Dielectric image guide integrated harmonic pumped mixer |
| 07/22/1980 | US4214218 Impedance matched tuning device having image trapping circuit |
| 07/22/1980 | US4214212 Tuner device for a television receiver |
| 07/08/1980 | US4211977 Mixer circuit arrangement |
| 06/25/1980 | EP0012730A1 Improvement in microwave receiver converters having a hybrid waveguide structure |
| 05/20/1980 | US4204168 Signal converter using a quad diode race |
| 05/06/1980 | CA1077145A1 Coaxial balun with doubly balanced heterodyne converter |
| 04/01/1980 | US4196393 Microwave signal detector |
| 03/11/1980 | US4193036 Balanced active mixer circuit |
| 02/12/1980 | US4188584 Mixer |
| 01/29/1980 | US4186352 Signal converter apparatus |
| 01/29/1980 | US4186344 Frequency converter |
| 01/09/1980 | EP0006760A1 Balanced active mixer circuit |
| 10/09/1979 | CA1064113A1 Combination waveguide and stripline down converter |
| 09/25/1979 | CA1063190A1 Frequency combining circuit |
| 08/21/1979 | CA1060956A1 Yig tuned mixer |
| 06/19/1979 | US4158817 Microwave input circuit with parametric down converter |
| 06/12/1979 | US4158177 Parametric coupling device for traveling-waves |
| 06/05/1979 | US4157550 Microwave detecting device with microstrip feed line |
| 05/29/1979 | US4156861 Waveguide diode mount |
| 05/01/1979 | US4152653 Integrated mixer arrangement |
| 03/06/1979 | CA1050120A1 Diode ring mixer |
| 12/05/1978 | USRE29859 Broadband waveguide mixer |
| 11/28/1978 | US4127819 Frequency discriminator apparatus |
| 11/14/1978 | US4125810 Broadband high frequency baluns and mixer |
| 10/03/1978 | US4118670 Image phased and idler frequency controlled mixer formed on an integrated circuit dielectric substrate |
| 08/29/1978 | US4110700 Electronically tunable microwave frequency FET discriminator |
| 08/15/1978 | CA1036674A1 Frequency-changer structures |
| 07/11/1978 | US4100504 Band rejection filter having integrated impedance inverter-tune cavity configuration |
| 07/04/1978 | US4099228 Harmonic mixing with an anti-parallel diode pair |
| 07/04/1978 | US4099126 Frequency converter apparatus |
| 04/18/1978 | US4085377 Microwave frequency discriminator comprising a one port active device |
| 03/14/1978 | US4079325 Microwave frequency discriminator |
| 02/07/1978 | US4072901 Microwave crystal holder |
| 12/13/1977 | US4063176 Broadband high frequency mixer |
| 12/06/1977 | US4061990 Frequency combining circuit |
| 11/22/1977 | US4059803 Method of converting the electromagnetic spectrum carrier frequency and an electromagnetic energy receiver for same |
| 10/18/1977 | US4054875 Microwave circuit for operating on microwave radiations |
| 10/11/1977 | US4053842 Microwave frequency discriminator comprising an FET amplifier |
| 10/11/1977 | US4053841 Microwave frequency discriminator comprising an FET amplifier |
| 09/13/1977 | US4048589 Receiver module and components thereof |
| 06/28/1977 | US4032850 Coaxial balun with doubly balanced heterodyne converter |
| 06/28/1977 | US4032849 Planar balanced mixer/converter for broadband applications |
| 06/21/1977 | US4031472 Mixer circuit |
| 06/07/1977 | US4028650 Microwave circuits constructed inside a waveguide |
| 05/31/1977 | US4027254 Directional coupler having interdigital comb electrodes |
| 02/15/1977 | US4008438 Rat-race mixer circuit |
| 02/01/1977 | US4006425 Dielectric image guide integrated mixer/detector circuit |
| 12/28/1976 | US4000469 Combination waveguide and stripline downconverter |
| 12/07/1976 | US3996588 System for automatic frequency control |
| 11/09/1976 | US3991373 Input circuit for a microwave receiving system |
| 09/14/1976 | US3980974 Compact, waveguide-type microwave transmit-receive apparatus |
| 08/03/1976 | US3973204 YIG tuned mixer |
| 07/20/1976 | US3970965 Injection locked Josephson oscillator systems |
| 06/15/1976 | US3963989 Mixer stage for microwave receivers |
| 05/11/1976 | US3956706 Miniaturized millimeter wave instantaneous frequency discriminator |
| 04/13/1976 | US3950703 Microcircuit reverse-phased hybrid ring mixer |
| 03/30/1976 | US3947782 Diode ring mixer |
| 03/16/1976 | US3944950 Quasi-optical integrated circuits |
| 03/16/1976 | US3944931 Multi-channel frequency converter having automatic control |
| 03/09/1976 | US3943450 Frequency converting device for RF signals |
| 02/17/1976 | US3939446 Millimeter wave translating device with changeable insert element |
| 02/17/1976 | US3939430 Integrated circuit, image and sum enhanced balanced mixer |
| 02/17/1976 | US3939429 Tunable high frequency input circuit for a television receiver that tunes both VHF and UHF channels and can be readily integrated |
| 01/13/1976 | US3932815 Broadband waveguide mixer |