Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/64
Name: Amplifiers > With space charge grid tube
Description: Subject matter wherein the amplifying device is of the vacuum tube type having a positively charged grid (with respect to the cathode) immediately adjacent the cathode, which neutralizes the negative space charge of the electrons emitted from the cathode so that a "virtual cathode" is produced on the side of the space charge grid on which the anode is situated, said tube having a normally negatively biased control grid next to the space charge grid, to which the signal is coupled, and an anode to receive the electrons emitted by the cathode, and which may have additional electrodes between the control grid and the anode.










Patents under this class:

Patent Number Title Of Patent Date Issued
6424219 Operational amplifier Jul. 23, 2002











 
 
  Recently Added Patents
Image reading apparatus, image reading method and program
Method and apparatus for efficiently inserting fills in an integrated circuit layout
Solar energy converter with improved photovoltaic efficiency, frequency conversion and thermal management permitting super highly concentrated collection
Clostridium chauvoei polypeptide, DNA encoding the polypeptide and a vaccine comprising the polypeptide
Method for providing information of access point selection
Low powered activation arrangement and method thereof
Reflective mask blank and method of manufacturing a reflective mask
  Randomly Featured Patents
Stabilization of wine with honey and SO.sub.2
Method of forming a model representative of the distribution of a physical quantity in an underground zone, free of the effect of correlated noises contained in exploration data
Process for preparing a crystalline iron-borosilicate
Semiconductor etching process
Global directory service with intelligent dialing
Transflective display device and driving method thereof
Hydroxamic acid derivative and MMP inhibitor containing the same as active ingredient
Apparatus for manufacturing musician's reed assemblies
Adjustment mechanism
Box spring assembly and small diameter single cone coil spring for use in that assembly