3631252

Information

• Patent Grant
• 3631252

• References
• Source

• Patent Number

  3,631,252

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  54 years ago

• CPC

  • H01J31/50 - Image-conversion or image-amplification tubes
  • H01J31/502 - with means to interrupt the beam
  • H01J2231/50089 - Having optical stage before electrical conversion

• US Classifications

  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems