2777354

Information

• Patent Grant
• 2777354

• References
• Source

• Patent Number

  2,777,354

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1957
  67 years ago

• CPC

  • G05B19/124 - using tapes, cards or discs with optically sensed marks or codes
  • G05B2219/23421 - Record program on tape, disk, memory
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy
  • 318 - Electricity: motive power systems
  • 346 - Recorders
  • 409 - Gear cutting, milling, or planing