3825890

Information

• Patent Grant
• 3825890

• References
• Source

• Patent Number

  3,825,890

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • G08G1/085 - using a free-running cyclic timer
  • G08G1/082 - Controlling the time between beginning of the same phase of a cycle at adjacent intersections

• US Classifications

  • 340 - Communications: electrical