3809868

Information

• Patent Grant
• 3809868

• References
• Source

• Patent Number

  3,809,868

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • G05B19/4103 - Digital interpolation
  • G06F17/175 - of multidimensional data
  • G06G7/22 - for evaluating trigonometric functions for conversion of co-ordinates for computations involving vector quantities
  • G06G7/28 - for synthesising functions by piece-wise approximation
  • G09G1/08 - the beam directly tracing characters, the information to be displayed controlling the deflection and the intensity as a function of time in two spatial co-ordinates
  • G05B2219/34136 - Ellipse, hyperbola
  • G05B2219/35554 - Mirror, other conversions
  • G05B2219/49221 - Control of scale

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 700 - Data processing: generic control systems or specific applications
  • 708 - Electrical computers: arithmetic processing and calculating