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
Methods of saccharification of polysaccharides in plants
Network based JIT on a priori knowledge of a set of disparate clients
Polymeric compositions including their uses and methods of production
System and method for improving cache efficiency
Pill identification and counterfeit detection method
Reframing circuitry with virtual container drop and insert functionality to support circuit emulation protocols
Automatic setup of reflector instances
  Randomly Featured Patents
Filtering search results by grade level readability
Toner conveying method and device for an image forming apparatus
Combination business card case and display case
Tool for removing a watch case back
Nitroaniline dyes with a cyano substituent group
Slot coupled microstrip constrained lens
CVD apparatus and method of using same
End face mechanical shaft seal for use in hydraulic machines and seal ring assembly for use in the shaft seal
Water clusters and uses therefor
Motorcycle trailer system