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| Number | Title | Issue Date |
| 7545226 | Magnetron oscillator A magnetron (2), a launcher (4) which extracts the output power of the magnetron (2), an impedance generator (5) having one terminal connected to the output terminal of the launcher (4), and a reference signal supplier (6) c... | 06/09/2009 |
| 5721470 | Microwave generator apparatus comprising controller for automatically adjusting filament power of a magnetron In a microwave generator apparatus including a magnetron having a filament and an anode and generating a microwave, a filament power source supplies a filament power to the filament of the magnetron, and an anode power source applies an anode voltage betw... | 02/24/1998 |
| 5115168 | Power supply for microwave discharge light source A power supply circuit for a magnetron adapted to supply microwave energy to an electrodeless discharge bulb is disclosed. The circuit includes a rectifier coupled across a commerical AC voltage source, a filter for smoothing the output of the rectifier, ... | 05/19/1992 |
| 5103194 | Dielectric resonator feed back stabilizer A dielectric resonator feed back stabilizer comprising a circulator, 3-dB, 90° hybrid dielectric resonator, and isolator. The circulator provides an input electromagnetic signal from a source to the hybrid, which splits the input signal into two outputs ... | 04/07/1992 |
| 5053682 | Power supply for microwave discharge light source A power supply circuit for a magnetron adapted to supply microwave energy to an electrodeless discharge bulb is disclosed. The circuit includes a rectifier coupled across a commercial AC voltage source, a filter for smoothing the output of the rectifier, ... | 10/01/1991 |
| 5017891 | Magnetrons with resonator element for stabilizing output radiation frequency The performance of a magnetron may be degraded by its output frequency changing. This degradation may be reduced by fixing a resonator element in the magnetron's output waveguide enabling temperature stabilization to be achieved and also permitting the ou... | 05/21/1991 |
| 4988922 | Power supply for microwave discharge light source A power supply circuit for a magnetron adapted to supply microwave energy to an electrodeless discharge bulb is disclosed. The circuit comprises a rectifier coupled across a commercial AC voltage source, a filter for smoothing the output of the rectifier,... | 01/29/1991 |
| 4961058 | Feedback stabilization loop Stabilizing a signal generating source by coupling a small amount of the output power through a bandpass filter tuned to the desired frequency and injecting the power back into the source. In another embodiment the filtered power may be increased by injec... | 10/02/1990 |
| 4843347 | Passive stabilizer for a signal generating source A ring stabilization circuit including a ring and three spaced apart arms, one of which has a dielectric resonator coupled thereto and acts to reflect, to the output arm, a resonant frequency supplied to the input arm. The impedance of the stabilization c... | 06/27/1989 |
| 4823133 | Radar system The invention relates to a radar system comprising a transmitter with a periodically tunable HF-transmitter tube, as a magnetron with rotating tuning body, and a receiver with a mixing stage, in which echo pulses caused by transmitted radar pulses are mix... | 04/18/1989 |
| 4809004 | Crystal controlled magnetron The invention comprises a weather radar system in which a magnetron transmitter is controlled in frequency by injecting therein a low power locking signal from a stable frequency source. Frequency lock between the source and the magnetron is maintained wi... | 02/28/1989 |
| 4748424 | Magnetron with frequency control means In a magnetron having a rotatable tuning member in the form of a spinner (121), a rotation sensor and an associated processor (10) generates an indication signal (11) representing the instantaneous magnetron frequency. Three level discriminators 13(1), 13... | 05/31/1988 |
| 4593167 | Electronic microwave oven power supply A power supply for a magnetron is adapted to be powered from a regular power line and comprises an inverter means operable to provide an AC voltage of relatively high frequency. This relatively high-frequency AC voltage is applied to a step-up transformer... | 06/03/1986 |
| 4389594 | Device for electronically tuning a power magnetron The anode cavity of a power magnetron is connected through a coupling slot to a reactively terminated waveguide structure containing one or more selectively magnetizable ferrite elements acting as adjustable differential phase shifters for two microwave c... | 06/21/1983 |
| 4162459 | Magnetron tuning circuit A circuit for the modulation of the frequency of radiation produced by a magnetron includes a directional coupler connected to the output port of the magnetron, a circulator coupled between the output port and a load, and a phase shifter connected between... | 07/24/1979 |
| 3936766 | Magnetron with capacitively coupled external cavity resonator A magnetron adapted for operation with an ungrounded power supply, has mounted thereon and tightly coupled thereto an external cavity resonator having coaxial first and second openings in opposite walls thereof. The magnetron has coaxial output connection... | 02/03/1976 |
