2459632

Information

• Patent Grant
• 2459632

• References
• Source

• Patent Number

  2,459,632

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1949
  76 years ago

• CPC

  • H03K5/24 - the characteristic being amplitude
  • G05B1/022 - using discharge tubes

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 250 - Radiant energy
  • 307 - Electrical transmission or interconnection systems
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical