System for emergency remote control of traffic signals

• US 3,209,325 A
• Filed: 04/03/1961
• Issued: 09/28/1965
• Est. Priority Date: 04/03/1961
• Status: Expired due to Term

• Current Assignee: Leonard F. Mentzer, Wayne M. Young
• Original Assignee: Leonard F. Mentzer, Wayne M. Young
• Inventors: Mentzer, Leonard F., Young, Wayne M.
• Application Number:
  US04/100,118
• Time in Patent Office: 1,639 Days
• US Class Current: 340/906
• CPC Class Codes: G08G 1/087 Override of traffic control, e.g. by signal transmitted by an emergency vehicle

Claims

11. IN A SYSTEM FOR REMOTELY CONTROLLING A TRAFFIC SIGNAL HAVING A PLURALITY OF ASPECTS;

THE COMBINATION WITH SAID TRAFFIC SIGNAL OF A FIXED RADIO CONTROL STATION COMPRISING;

FIRST AND SECOND CHANNELS, MEANS FOR RESPECTIVELY RECEIVING IN SAID FIRST AND SECOND CHANNELS FIRST AND SECOND RADIO SIGNALS RESPECTIVELY HAVING DIFFERENT TRANSMISSION CHARACTERISTICS;

SAID RECEIVING MEANS INCLUDING FIRST MEANS COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE FIRST RADIO SIGNAL AND SECOND MEANS INDEPENDENTLY COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE SECOND RADIO SIGNAL;

EACH OF SAID COUPLING MEANS HAVING MEANS PROVIDING A PREDETERMINED TIME DELAY FOLLOWING TERMINATION OF THE RESPECTIVE RADIO SIGNAL, ONE TIME DELAY BEING LONGER THAN THE OTHER;

MEANS FOR TRANSMITTING A THIRD SIGNAL FROM SAID STATION;

AND