3378721

Information

• Patent Grant
• 3378721

• References
• Source

• Patent Number

  3,378,721

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  57 years ago

• CPC

  • H01J31/502 - with means to interrupt the beam
  • G03B39/005 - using image converters or amplifiers
  • H03B5/10 - active element in amplifier being vacuum tube

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices