3699520

Information

• Patent Grant
• 3699520

• References
• Source

• Patent Number

  3,699,520

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • H04Q9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
  • G06M1/276 - using mechanically-actuated contacts

• US Classifications

  • 340 - Communications: electrical
  • 235 - Registers