Position detecting means for vehicles

• US 3,281,779 A
• Filed: 12/31/1962
• Issued: 10/25/1966
• Est. Priority Date: 12/31/1962
• Status: Expired due to Term

• Current Assignee: Allied Corp. (Honeywell International Inc.)
• Original Assignee: Andrew S. Yeiser
• Inventors: Yeiser, Andrew S.
• Application Number:
  US04/248,383
• Time in Patent Office: 1,394 Days
• US Class Current: 340/992
• CPC Class Codes: B61L 15/0094 Recorders on the vehicle
• CPC Class Codes: B61L 25/021 Measuring and recording of train speed
• CPC Class Codes: B61L 25/025 Absolute localisation, e.g. providing geodetic coordinates
• CPC Class Codes: B61L 25/026 Relative localisation, e.g. using odometer
• CPC Class Codes: B61L 25/04 Indicating or recording train identities
• CPC Class Codes: B61L 27/40 Handling position reports or trackside vehicle data

Claims

2. A SYSTEM FOR GENERATING ELECTRICAL SIGNALS REPRESENTING INFORMATION CORRESPONDING TO AT LEAST ONE CHARACTERISTIC OF A VEHICLE TRAVELING ON WHEELS COMPRISING:

CODING MEANS COMPRISING DIGITAL CLOCK CODE MEANS AND DIGITAL DATA CODE MEANS FIXEDLY MOUNTED ADJACENT THE PATH OF SAID VEHICLE, SAID CODING MEANS COMPRISING A STEEL I-BEAM HAVING TWO SERIES OF NOTCHES IN THE TOP SIDE THEREOF, ONE OF SAID SERIES OF NOTCHES BEING EQUALLY SPACED AND THE OTHER SAID SERIES OF NOTCHES BEING SPACED ACCORDING TO A GIVEN CODE;

FIRST AND SECOND MAGNETIC PICKUP MEANS MOUNTED ON SAID VEHICLE AND POSITIONED SUCH THAT WHEN SAID VEHICLE PASSES IN THE VICINITY OF SAID CODED MEANS SAID FIRST PICKUP MEANS PASSES ADJACENT THE FIRST SERIES OF NOTCHES AND GENERATES DIGITAL CLOCK PULSES AND SAID SECOND PICKUP MEANS PASSES ADJACENT THE SECOND SERIES OF SAID NOTCHES AND GENERATES DIGITAL DATA PULSES;