3518629

Information

• Patent Grant
• 3518629

• References
• Source

• Patent Number

  3,518,629

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • G06F7/57 - Arithmetic logic units [ALU]
  • G06F3/02 - Input arrangements using manually operated switches
  • G06F3/1407 - General aspects irrespective of display type
  • G06F3/153 - using cathode-ray tubes
  • G06F7/4985 - by successive additions or subtractions
  • G06F15/02 - manually operated with input through keyboard and computation using a built-in programme
  • G11C21/00 - Digital stores in which the information circulates continuously
  • G06F7/4991 - Overflow or underflow

• US Classifications

  • 713 - Electrical computers and digital processing systems: support
  • 708 - Electrical computers: arithmetic processing and calculating