3238430

Information

• Patent Grant
• 3238430

• References
• Source

• Patent Number

  3,238,430

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  58 years ago

• CPC

  • G05B19/408 - characterised by data handling or data format
  • G05B19/425 - Teaching successive positions by numerical control
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G05B2219/34034 - Multiplier, prm, brm
  • G05B2219/34037 - Brm followed by postprocessor to smooth curve
  • G05B2219/34072 - Non volatile memory, core memory
  • G05B2219/35238 - Gray-code
  • G05B2219/35436 - Means, manual input, input reference, hand wheel
  • G05B2219/35439 - Keys or buttons
  • G05B2219/36383 - Manual input combined with input from computer or tape
  • G05B2219/36589 - Making control tape
  • G05B2219/41472 - Servo loop with position error indicates speed step value
  • G05B2219/41473 - Servo loop with position and speed loop, problems of speed loop
  • G05B2219/41474 - Servo loop with absolute digital position sensor
  • G05B2219/42186 - Master slave, motion proportional to axis
  • H03M2201/01 - First edition
  • H03M2201/124 - in which the analogue generator is adjusted in a predetermined direction regardless of the sign of the error
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/194 - Control systems
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/2151 - Type of pattern carrier or reader means
  • H03M2201/2185 - Photoelectric
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4291 - Unit distance code
  • H03M2201/523 - between different combination codes between different radices
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/712 - at input
  • H03M2201/716 - Mechanical
  • H03M2201/8176 - Magnetic cores
  • H03M2201/844 - Servomotors
  • H03M2201/848 - Relays
  • H03M2201/853 - Reduction gearings
  • H03M2201/856 - Shaft couplings
  • H03M2201/93 - Constructional details
  • Y10T409/303248 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion
  • 409 - Gear cutting, milling, or planing