2679644

Information

• Patent Grant
• 2679644

• References
• Source

• Patent Number

  2,679,644

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1954
  70 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/196 - Communications systems
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/2185 - Photoelectric
  • H03M2201/4125 - representing angular position
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4291 - Unit distance code
  • H03M2201/52 - Digital conversions
  • H03M2201/525 - Normal/reflected
  • H03M2201/8108 - Vacuum tubes
  • H03M2201/8192 - Photoelectric devices
  • H03M2201/848 - Relays
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]
  • Y10T409/301792 - including means to sense optical or magnetic image

• US Classifications

  • 341 - Coded data generation or conversion
  • 178 - Telegraphy
  • 340 - Communications: electrical
  • 409 - Gear cutting, milling, or planing