3833830

Information

• Patent Grant
• 3833830

• References
• Source

• Patent Number

  3,833,830

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1974
  50 years ago

• CPC

  • H01J31/495 - Pick-up tubes adapted for an input of sonic, ultrasonic, or mechanical vibrations and having an electric output
  • G01S7/6218 - providing two-dimensional coordinated display of distance and direction

• US Classifications

  • 313 - Electric lamp and discharge devices