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Class Information
Number: 331/91
Name: Oscillators > With magnetically controlled space discharge device (e.g., magnetron) > With undesired mode suppression or selection means
Description: Subject matter wherein the circuit constants of the oscillator are such that the oscillator may have several possible modes of operation and wherein means are provided to prevent or suppress the generation of modes other than the desired mode.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7164234 |
High-power microwave system employing a phase-locked array of inexpensive commercial magnetrons |
Jan. 16, 2007 |
| 6985042 |
Magnetron |
Jan. 10, 2006 |
| 5721470 |
Microwave generator apparatus comprising controller for automatically adjusting filament power of a magnetron |
Feb. 24, 1998 |
| 5571439 |
Magnetron variable power supply with moding prevention |
Nov. 5, 1996 |
| 5537084 |
Method for improving spectrum quality of low power pulsed anode magnetrons |
Jul. 16, 1996 |
| 5373263 |
Transverse mode electron beam microwave generator |
Dec. 13, 1994 |
| 5089744 |
Magnetron choke for microwave oven |
Feb. 18, 1992 |
| 5038077 |
Gyroklystron device having multi-slot bunching cavities |
Aug. 6, 1991 |
| 5015914 |
Couplers for extracting RF power from a gyrotron cavity directly into fundamental mode waveguide |
May. 14, 1991 |
| 4851788 |
Mode suppressors for whispering gallery gyrotron |
Jul. 25, 1989 |
| 4833367 |
Magnetron with resonant choke structure for supressing unwanted harmonics |
May. 23, 1989 |
| 4588965 |
Coaxial magnetron using the TE.sub.111 mode |
May. 13, 1986 |
| 4504767 |
Magnetron mode detector |
Mar. 12, 1985 |
| 4489254 |
Magnetron |
Dec. 18, 1984 |
| 4480235 |
Coaxial magnetron with improved starting |
Oct. 30, 1984 |
| 4459563 |
Magnetron unit with choke structure for reducing higher harmonics in microwave output |
Jul. 10, 1984 |
| 4371848 |
Magnetron having a filter on the output probe |
Feb. 1, 1983 |
| 4194142 |
Mode control apparatus for a separable-insert coaxial magnetron |
Mar. 18, 1980 |
| 4129834 |
Resonant cavity magnetron with choke structure for reducing harmonics in output system |
Dec. 12, 1978 |
| 4053850 |
Magnetron slot mode absorber |
Oct. 11, 1977 |
| 4006382 |
Magnetron filter |
Feb. 1, 1977 |
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