H03B 9 - Generation of oscillations using transit-time effects

Patents for H03B 9 - Generation of oscillations using transit-time effects (752)
05/1991
05/21/1991	US5017892 Waveguide adaptors and Gunn oscillators using the same
05/07/1991	US5014021 Frequency linearization circuit for a microwave VCO in ridged waveguide
03/1991
03/21/1991	WO1991003877A1 Adaptive control system for pulsed megawatt klystrons
03/12/1991	US4999587 Waveguide oscillator tunable through integrated varactor diode and coupling probe
03/06/1991	EP0415664A2 Millimeter wave, lumped element, VCO with ultrabroadband tuning
01/1991
01/30/1991	EP0410614A2 System for transmitting and/or receiving electromagnetic radiation employing resonant cavity including high Tc superconducting material
01/02/1991	EP0404778A1 Frequency control system
01/01/1991	US4982168 High peak power microwave oscillator
12/1990
12/18/1990	US4978928 High frequency, frequency multiplier using parallel Gunn diodes
12/04/1990	US4975661 Gunn triode device, frequency divider and oscillator using this Gunn device
11/1990
11/27/1990	US4973921 Millimeter wave, lumped element, VCO with ultrabroadband tuning
11/14/1990	EP0397176A2 Switching power supply for operating a microwave oven
11/14/1990	EP0396576A1 Microwave diode tuning circuit.
11/06/1990	US4968954 Epitaxial layer-bearing wafer of rare earth gallium garnet for MSW device
10/1990
10/18/1990	WO1990012414A1 Circuit for driving magnetron
09/1990
09/26/1990	EP0389047A2 High frequency high voltage power supply with controlled output power
08/1990
08/28/1990	US4952941 Weather radar temperature controlled IMPATT diodes circuit and method of operation
08/21/1990	US4951006 Antenna coupled millimeter wave oscillator
07/1990
07/25/1990	EP0379293A2 Control of power inverter
07/25/1990	EP0379258A2 Tunable Waveguide oscillators
07/10/1990	US4940953 Millimeter wave microstrip IMPATT diode oscillator
06/1990
06/12/1990	CA1270329A1 Wide-band extended interaction device
05/1990
05/15/1990	US4926500 Frequency converter
05/08/1990	CA1268827A1 Tuned oscillator
03/1990
03/13/1990	US4908615 Traffic light control system and method
03/06/1990	US4906947 Millimeter wave microstrip voltage-controlled oscillator with adjustable tuning sensitivity
03/06/1990	US4906945 Millimeter-wave/submillimeter-wave oscillator
02/1990
02/28/1990	EP0356337A1 Protection device for a delay line modulator
02/14/1990	EP0354707A2 Frequency converter
02/13/1990	US4900989 Magnetron feeding apparatus and method of controlling the same
02/06/1990	US4899113 Switching helix power supply for a TWT
12/1989
12/26/1989	US4890074 Quartz microstrip gunn oscillator
12/12/1989	US4886951 Power supply for a magnetron having a rectifying circuit, switching circuit, and transformer
11/1989
11/28/1989	US4884077 Weather radar temperature controlled impatt diodes circuit and method of operation
11/21/1989	US4882666 High frequency high voltage power supply with controlled output power
11/14/1989	US4881162 Frequency control system
10/1989
10/10/1989	US4873495 Ultrahigh-frequency oscillator having a dielectric resonator stable with respect to mechanical vibrations
09/1989
09/21/1989	WO1989008947A1 Frequency control system
09/21/1989	DE3808251A1 Semiconductor substrate having at least one monolithically integrated circuit
08/1989
08/30/1989	EP0330104A2 W-band microstrip oscillator using gunn diode
08/29/1989	US4862112 W-band microstrip oscillator using Gunn diode
08/15/1989	US4858095 Magnetron drive apparatus
08/01/1989	US4853650 Symmetric waveguide junction combiner
07/1989
07/18/1989	US4849718 Circuitry and method for controlling IMPATT diode
07/11/1989	US4847571 Microwave oscillator integrated in a waveguide
07/06/1989	DE3842910A1 Mikrowellenenergieerzeugungssystem Microwave power generation system
06/1989
06/28/1989	EP0322062A1 Pulse compression radar and its use in cartography or in meteorology
06/13/1989	US4839712 Compact combiner for semiconductor devices operating in the ultra-high frequency range
06/07/1989	EP0318695A2 Magnetron drive apparatus
05/1989
05/18/1989	WO1989004565A1 Microwave diode tuning circuit
03/1989
03/08/1989	EP0306370A1 Gunn triode device, frenquency divider and oscillator using this Gunn device
03/08/1989	EP0306090A1 Microwave oscillator with a dielectric resonator stable against mechanical vibrations
02/1989
02/14/1989	US4805084 Direct DC to RF conversion by impulse excitation
01/1989
01/17/1989	US4799035 Microwave diode tuning circuit
01/11/1989	CN1030339A Power supply for magunetron
01/04/1989	EP0297653A1 Switching power supply for the helix of a TWT
12/1988
12/29/1988	DE3813865A1 Active 360@ phase shifter having continuously adjustable phase
12/28/1988	EP0296838A2 Monolithic microwave transmitter/receiver
12/20/1988	US4792769 Microwave oscillator integrated in a waveguide
11/1988
11/17/1988	EP0291487A2 Wide-band extended interaction device
11/02/1988	EP0289032A2 Magnetron feeding apparatus and method of controlling the same
11/02/1988	EP0289013A2 A power supply for a magnetron
10/1988
10/04/1988	CA1242772A1 Compact combiner for semiconductor devices operating in the ultra-high frequency range
09/1988
09/28/1988	EP0284485A1 Microwave oscillator integrated in a waveguide
09/28/1988	EP0284484A1 Microwave oscillator integrated in a waveguide
08/1988
08/17/1988	EP0278300A1 Frequency-agile millimeter wave generator with a high stability
08/10/1988	EP0277204A1 Microwave diode oscillator.
08/09/1988	US4763085 Mutually injection locked millimeter wave voltage controlled oscillators with power combiner
06/1988
06/16/1988	EP0160094A4 Tuning apparatus for a radio frequency power device.
06/01/1988	EP0165247B1 Microwave power combiner
05/1988
05/31/1988	CA1237521A1 Microwave pulse source
05/17/1988	US4745374 Extremely-high frequency semiconductor oscillator using transit time negative resistance diode
05/17/1988	US4745336 Microwave generation by virtual cathode with phase velocity matching
05/03/1988	US4742314 Solid state millimeter wave power combiner
04/1988
04/12/1988	US4737738 Extended interaction device tuned by movable delay line structure
03/1988
03/08/1988	US4730169 Injection locking and tuning circuit for microwave diode oscillator
03/01/1988	US4728907 Frequency/temperature compensated millimeter wave oscillator
02/1988
02/25/1988	WO1988001451A1 Microwave diode oscillator
02/23/1988	US4727338 Hyperfrequency oscillator operating in the millimetric band
02/09/1988	US4724403 Microwave oscillator
12/1987
12/01/1987	US4710729 Microwave oscillator comprising a dielectric resonator insensitive to mechanical vibrations
11/1987
11/10/1987	US4706041 Periodic negative resistance microwave structures and amplifier and oscillator embodiments thereof
10/1987
10/22/1987	DE3613258A1 Semiconductor substrate with at least one monolithically integrated circuit
10/13/1987	US4700146 Automatic tuning of cavity klystron using sampled RF output
08/1987
08/25/1987	US4689583 Dual diode module with heat sink, for use in a cavity power combiner
08/18/1987	US4688004 Frequency-changeable microwave signal generator having plural selectively operated oscillators
06/1987
06/25/1987	DE3544912A1 Harmonic oscillator for millimetre waves
06/16/1987	US4673958 Monolithic microwave diodes
06/03/1987	EP0224234A2 Quasi-optical open resonator for millimetric and submillimetric electromagnetic waves
05/1987
05/19/1987	CA1222027A1 Phase-locked magnetron system
03/1987
03/18/1987	EP0214693A2 Microwave oscillator with a dielectric resonator which is insensitive to mechanical vibrations
03/03/1987	CA1218710A1 Tunable waveguide oscillator
02/1987
02/10/1987	US4642577 Injection-locked waveguide oscillator
02/10/1987	US4642571 Microwave pulse source
02/03/1987	US4641369 Local oscillator and mixer assembly
01/1987
01/20/1987	CA1216902A1 Multidiameter cavity for reduced mode competition in gyrotron oscillator
01/13/1987	US4636751 Coaxial cavity Gunn oscillator using probe coupled microstrip
12/1986
12/09/1986	CA1215146A1 Stabilized microwave oscillator
12/03/1986	EP0203627A1 Microwave oscillator
12/02/1986	US4626800 YIG thin film tuned MIC oscillator

1 2 3 4 5 6 7 8