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Class Information
Number: 327/573
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > Negative resistance type > Secondary emissive type > Electron multiplier type
Description: Subject matter wherein the secondary emissive type tube includes multiple electrodes (i.e., dynodes) which attract electrons freed from a light sensitive cathode and thereby increase the number of flowing electrons.

Patents under this class:

Patent Number Title Of Patent Date Issued
5798667 Method and apparatus for regulation of power dissipation Aug. 25, 1998
5180985 Multipactor effect measurement device using phase noise Jan. 19, 1993
5172069 Secondary electron multiplying apparatus Dec. 15, 1992
RE33344 Apparatus and method for detecting negative ions Sep. 18, 1990
4902977 Multipactor pressure gauge for use as a noninvasive vacuum tube sensor Feb. 20, 1990
4188560 Flanged cylindrical electron multipliers Feb. 12, 1980
4095132 Electron multiplier Jun. 13, 1978
4028575 Electron multiplier image display device Jun. 7, 1977
3997779 Circuit device for secondary electron multipliers Dec. 14, 1976
3976905 Channel electron multipliers Aug. 24, 1976

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