3423585

Information

• Patent Grant
• 3423585

• References
• Source

• Patent Number

  3,423,585

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  56 years ago

• CPC

  • G01R19/0076 - using thermionic valves
  • G01T1/185 - with ionisation chamber arrangements
  • H03F3/02 - with tubes only

• US Classifications

  • 250 - Radiant energy
  • 324 - Electricity: measuring and testing
  • 330 - Amplifiers