3576494

Information

• Patent Grant
• 3576494

• References
• Source

• Patent Number

  3,576,494

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1971
  53 years ago

• CPC

  • G06F11/2221 - to test input/output devices or peripheral units
  • G01R31/25 - Testing of vacuum tubes
  • G01R31/257 - Testing of beam-tubes
  • G07C3/14 - Quality control systems
  • H01J9/44 - Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances

• US Classifications

  • 324 - Electricity: measuring and testing
  • 714 - Error detection/correction and fault detection/recovery