3686639

Information

• Patent Grant
• 3686639

• References
• Source

• Patent Number

  3,686,639

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • G05B19/056 - Programming the PLC
  • G05B2219/13004 - Programming the plc
  • G05B2219/13039 - Print out of program, printer for program
  • G05B2219/13128 - Relay ladder diagram, RLL RLD KOP
  • G05B2219/13171 - Portable, detachable programming unit
  • G05B2219/13186 - Simulation, also of test inputs
  • G05B2219/14084 - Remote diagnostic
  • G05B2219/15018 - Communication, serial data transmission, modem
  • G05B2219/15049 - Timer, counter, clock-calendar, flip-flop as peripheral
  • Y10S715/965 - for process control and configuration

• US Classifications

  • 703 - Data processing: structural design, modeling, simulation, and emulation
  • 345 - Computer graphics processing and selective visual display systems
  • 700 - Data processing: generic control systems or specific applications
  • 715 - Data processing: presentation processing of document, operator interface processing, and screen saver display processing