Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/42
Name: Amplifiers > With secondary electron emission tube amplifying device
Description: Subject matter wherein the amplifying device is a vacuum tube including a secondary electron emissive electrode.


Patents under this class:

Patent Number Title Of Patent Date Issued
7332700 Photomultiplier tube with dynode modulation for photon-counting Feb. 19, 2008
7098434 Method for extracting measuring signals from a multi-channel photomultipier and corresponding circuit Aug. 29, 2006
6984940 Electronic tube with simplified collector Jan. 10, 2006
6895096 Microchannel plate audio amplifier May. 17, 2005
6870308 Electron amplifier utilizing carbon nanotubes and method of manufacturing the same Mar. 22, 2005
5348934 Secondary emission cathode having supeconductive oxide material Sep. 20, 1994
5150067 Electromagnetic pulse generator using an electron beam produced with an electron multiplier Sep. 22, 1992
5115667 Circuit for processing a signal received by an electron multiplier May. 26, 1992
4975656 Enhanced secondary electron emitter Dec. 4, 1990
4763043 P-N junction semiconductor secondary emission cathode and tube Aug. 9, 1988
4086487 Coplanar dynode electron multiplier Apr. 25, 1978
3943458 Reducing gain shifts in photomultiplier tubes Mar. 9, 1976



 
 
  Recently Added Patents
Signal processing device capable of enhancing correctness of feedback signals
Systems and methods for electrical leakage detection
Method of forming iron hydroxypyrone compounds
Method of and apparatus for strengthening edges of one or more glass sheets
Method of purifying epoxy compound
Camouflaged display stand
Skylight window frame
  Randomly Featured Patents
Alarm clock having on-off switch timer
Domestic appliance panels and method of forming same
Magnetic signal reproducing method and apparatus
Method of prevention and removal of sulfur deposits from H.sub.2 S absorption equipment
Process for preparing static dissipative linear segmented polyurethanes
Component of a signaling column
Operating device, position-switching device, and magneto-optical recording/reproducing apparatus
Plant isoflavonoid hydroxylases and methods of use thereof
Methods and unit dose formulations for the inhalation administration of tobramycin
Trash container