3428950

Information

• Patent Grant
• 3428950

• References
• Source

• Patent Number

  3,428,950

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • G11C17/00 - Read-only memories programmable only once Semi-permanent stores
  • G06F3/08 - from or to individual record carriers
  • G06F7/556 - Logarithmic or exponential functions
  • G06F9/4425 - Executing sub-programmes
  • G06F15/02 - manually operated with input through keyboard and computation using a built-in programme
  • G06F15/04 - programmed simultaneously with the introduction of data to be processed

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 712 - Electrical computers and digital processing systems: processing architectures and instruction processing