| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 08/12/1986 | US4605909 Dual gate FET oscillator mixer |
| 08/06/1986 | EP0189931A1 amplitude modulator |
| 07/30/1986 | EP0188662A2 Frequency converter |
| 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 |
| 07/16/1986 | EP0187646A2 Method and apparatus for generating a pixel synchronising signal in an image scanning and image reproducing apparatus |
| 07/15/1986 | US4601063 Tuner for receiving |
| 07/08/1986 | US4599743 Baseband demodulator for FM and/or AM signals |
| 07/02/1986 | EP0186295A1 Local oscillator and mixer assembly |
| 06/10/1986 | US4594555 Frequency selective sampling detector |
| 06/03/1986 | US4593411 Diode mixer with bias control |
| 05/27/1986 | US4592095 Microwave FET mixer arranged to receive RF input at gate electrode |
| 05/27/1986 | US4592093 Super high frequency receiver |
| 05/20/1986 | US4590617 Hermetically sealed planar structure for high frequency device |
| 05/20/1986 | US4590616 Re-tuning device comprising a switching mixer stage and a tuning oscillator |
| 04/29/1986 | CA1203850A1 Microwave mixer with recovery of the sum frequency |
| 04/22/1986 | US4584715 Image rejection mixer circuit arrangement |
| 04/09/1986 | EP0176824A1 Circuit arrangement for frequency-changing for a television receiver |
| 04/08/1986 | US4581768 VHF tuner |
| 04/08/1986 | US4581643 Double conversion television tuner with frequency response control provisions |
| 04/01/1986 | US4580290 Amplifier for use with local oscillators |
| 04/01/1986 | US4580289 Fully integratable superheterodyne radio receiver utilizing tunable filters |
| 03/27/1986 | WO1986001956A1 Catv converter having improved tuning circuits |
| 03/25/1986 | CA1202372A1 Microwave integrated circuit frequency converter |
| 03/11/1986 | US4575761 AFT arrangement for a double conversion tuner |
| 02/19/1986 | EP0171653A2 Analog multiplier circuit |
| 02/18/1986 | US4571564 Aperture-coupled microwave apparatus |
| 02/04/1986 | US4569084 Frequency converter, especially CATV converter |
| 01/14/1986 | CA1199377A1 Baseband demodulator for fm signals |
| 01/08/1986 | EP0167007A1 Oscillator-mixer circuit |
| 01/07/1986 | US4563772 High frequency mixer stage |
| 01/02/1986 | EP0166626A2 Frequency conversion apparatus |
| 12/31/1985 | US4562472 Double conversion tuner with split IF output |
| 12/30/1985 | EP0144394A4 A receiver system for eliminating self-quieting spurious responses. |
| 12/24/1985 | US4560941 Frequency modulation detector using digital signal vector processing |
| 12/10/1985 | US4558283 Circuit for generating a sum or differential frequency signal |
| 11/26/1985 | US4555809 R.F. Diplexing and multiplexing means |
| 11/26/1985 | US4555807 Apparatus and method for channel identification |
| 11/12/1985 | US4553266 R.F. Circuit arrangement |
| 11/12/1985 | US4553264 Double superheterodyne tuner |
| 11/06/1985 | EP0160484A2 FM receiver including a baseband PLL circuit |
| 11/05/1985 | US4551856 Synthesized multiple conversion receiver system with provision for avoiding receiver self-quieting spurious response |
| 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 |
| 10/01/1985 | US4544897 Crystal oscillator circuit with feedback control |
| 09/24/1985 | CA1194128A1 Satellite ground station |
| 09/17/1985 | US4542535 R.F. balanced mixer |
| 09/12/1985 | WO1985004063A1 Balanced mixer having increased signal handling capability |
| 09/10/1985 | US4541124 Microwave mixer |
| 09/10/1985 | US4541120 Transmitter-receiver module |
| 08/21/1985 | EP0151730A1 Radio frequency receiving apparatus |
| 08/06/1985 | US4534062 Adjustable double balanced mixer |
| 08/01/1985 | WO1985003393A1 Band-dependent switchable vhf mixer circuit arrangement |
| 07/31/1985 | EP0150037A2 Band-dependent switchable VHF mixer circuit arrangement |
| 07/24/1985 | EP0149533A2 Apparatus for receiving super high frequency signals |
| 07/23/1985 | US4531236 Microwave integrated circuit frequency converter |
| 07/16/1985 | CA1190612A1 Bi-carrier modulator |
| 06/26/1985 | EP0146086A2 Microwave balun for mixers and modulators |
| 06/26/1985 | EP0145712A1 Millimeter-wave quasi-optical planar balanced mixer |
| 06/25/1985 | US4525871 High speed optoelectronic mixer |
| 06/19/1985 | EP0144394A1 A receiver system for eliminating self-quieting spurious responses. |
| 06/05/1985 | EP0143556A2 Improvements relating to frequency modulation detectors |
| 06/04/1985 | US4521916 Frequency synthesis tuning control system for a double-conversion tuner |
| 06/04/1985 | US4521892 Direct conversion radio receiver for FM signals |
| 05/28/1985 | US4520507 Low noise CATV converter |
| 05/14/1985 | US4517655 Multiplier circuit for multiplying an information signal by a periodic signal |
| 05/07/1985 | US4516271 Microwave mixer with recovery of the sum frequency |
| 04/16/1985 | US4512035 Method of programming a synthesizer ROM for elimination of receiver self-quieting |
| 04/09/1985 | US4510452 Circuit having square-law transfer characteristic |
| 04/02/1985 | US4509209 Quasi-optical polarization duplexed balanced mixer |
| 04/02/1985 | US4509208 Frequency conversion unit |
| 03/19/1985 | US4506264 Frequency translator |
| 03/19/1985 | CA1184256A1 Direct modulation fm demodulator |
| 03/12/1985 | US4504791 Sampling frequency converter |
| 02/12/1985 | US4499602 Double conversion tuner for broadcast and cable television channels |
| 02/12/1985 | CA1182535A1 Synchronous receiver with analog high frequency section and digital low frequency section |
| 02/05/1985 | CA1182180A1 Simplified double balanced frequency converter |
| 01/23/1985 | EP0132010A1 RF-tuning device comprising a switching mixer stage and a tuning oscillator |
| 01/16/1985 | EP0131337A1 Double-balanced mixer circuit |
| 01/03/1985 | WO1985000080A1 Millimeter-wave quasi-optical planar balanced mixer |
| 01/02/1985 | CA1180391A Frequency conversion circuit |
| 01/01/1985 | US4491977 Millimeter-wave quasi-optical planar balanced mixer |
| 01/01/1985 | US4491976 Wide-band tuner having a temperature-compensated microstrip resonator arrangement |
| 01/01/1985 | US4491969 Satellite ground station |
| 12/27/1984 | EP0129154A2 Tuning circuit for at least two frequency ranges |
| 12/25/1984 | US4490854 Transistor mixer for ultra-high frequency transmitters |
| 12/18/1984 | CA1179739A1 Intermodulation cancelling mixer |
| 12/11/1984 | US4488119 FM Demodulator |
| 11/27/1984 | US4485488 Microwave subharmonic mixer device |
| 11/22/1984 | WO1984004637A1 A receiver system for eliminating self-quieting spurious responses |
| 11/21/1984 | EP0125449A2 Aperture-coupled microwave apparatus |
| 11/14/1984 | EP0124949A1 Mixer arrangement comprising first and second quadrature mixer stages |
| 11/07/1984 | EP0124332A2 A double conversion tuner |
| 11/07/1984 | EP0124168A2 Mixer |