2609506

Information

• Patent Grant
• 2609506

• References
• Source

• Patent Number

  2,609,506

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1952
  72 years ago

• CPC

  • G06K9/32 - Aligning or centering of the image pick-up or image-field
  • B25C3/006 - only for holding and guiding
  • G06K9/64 - using simultaneous comparisons or correlations of the image signals with a plurality of references
  • H02M7/46 - using discharge tubes without control electrode or semiconductor devices without control electrode
  • H03B7/10 - active element being gas-discharge or arc-discharge tube
  • H03K3/55 - the switching device being a gas-filled tube having a control electrode
  • H03K4/86 - using as active elements gas-filled tubes or spark-gaps

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 331 - Oscillators