Identification of vehicles

Details Identification of vehicles Identification of vehicles

1975-09-09

1976-12-07

Habecker, Thomas B.

Communications: electrical

Selective

Having indication or alarm

179 82, 340258C, G08C 100, H04B 500

Patent

active

039965554

ABSTRACT:
In a vehicle, an insulated multi-turn vehicle loop arranged to form a traormer with any roadway loop when said loops are in proximity; means for tuning the vehicle loop to form a vehicle loop circuit resonant at a first frequency; and means for modulating the vehicle loop circuit at a second frequency; whereby, in use, a signal modulated at said second frequency can be induced from the vehicle loop into any said roadway loop for the identification of said vehicle; and vehicle identification means comprising a roadway loop upon or in the surface of a roadway; means for tuning the roadway loop; means for energizing the roadway loop at a first frequency at least near to the resonant frequency of the tuned roadway loop; and a vehicle identification circuit having demodulation means and frequency detection means arranged to detect in the roadway loop any signal at the first frequency modulated at a second frequency, said second frequency being produced for the identification thereof by a vehicle as aforesaid and the first frequency being common to the roadway loop and the vehicle.

REFERENCES:
patent: 3859624 (1975-01-01), Kreofsky

Affiliated with

Also associated with

Rating

Identification of vehicles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Identification of vehicles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Identification of vehicles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-382118