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Class Information
Number: 330/47
Name: Amplifiers > With magnetically influenced discharge device (e.g., magnetrons)
Description: Subject matter wherein the amplifying device is of the vacuum tube type including means for magnetically influencing the electric discharge in the device, and not provided for above.

Sub-classes under this class:

Class Number Class Name Patents
330/48 Having signal applied to magnetic means 4

Patents under this class:

Patent Number Title Of Patent Date Issued
6236161 Crossed-field device May. 22, 2001
6132565 Magnetron assembly equipped with traversing magnets and method of using Oct. 17, 2000
5412281 Phase smoothing cathode for reduced noise crossed-field amplifier May. 2, 1995
5327094 Jitter suppression in crossed-field amplifier by use of field emitter Jul. 5, 1994
5280218 Electrodes with primary and secondary emitters for use in cross-field tubes Jan. 18, 1994
4975656 Enhanced secondary electron emitter Dec. 4, 1990
4894586 Crossed-field amplifier bias circuit and method for improved starting Jan. 16, 1990
4831335 High gain miniature crossed-field amplifier May. 16, 1989
4814720 Low noise crossed-field amplifier Mar. 21, 1989
4757269 Multi-gigawatt high-efficiency RF amplifier Jul. 12, 1988
4634992 Magnetron amplifier power combiner Jan. 6, 1987
4571552 Phase-locked magnetron system Feb. 18, 1986

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