3648244

Information

• Patent Grant
• 3648244

• References
• Source

• Patent Number

  3,648,244

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • G09G3/10 - using gas tubes
  • G05B19/311 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B19/4069 - Simulating machining process on screen
  • G06F7/494 - Adding Subtracting
  • G09G3/04 - for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements
  • G06F2207/4924 - Digit-parallel adding or subtracting

• US Classifications

  • 713 - Electrical computers and digital processing systems: support