Signal-transmitting apparatus for conveyances travelling between stations

• US 3,219,989 A
• Filed: 03/02/1961
• Issued: 11/23/1965
• Est. Priority Date: 03/05/1960
• Status: Expired due to Term

• Current Assignee: Friedrich Kuhrt, Hans-Joachim Lippmann
• Original Assignee: Friedrich Kuhrt, Hans-Joachim Lippmann
• Inventors: FRIEDRICH KUHRT, HANS-JOACHIM LIPPMANN
• Application Number:
  US04/093,832
• Time in Patent Office: 1,727 Days
• US Class Current: 406/37
• CPC Class Codes: B61L 23/005 Automatic control or safety means for points for operator-less railway, e.g. transportation systems
• CPC Class Codes: B65G 51/44 without mechanical contact between carriers and controllers
• CPC Class Codes: G01D 5/142 using Hall-effect devices measuring magnetic variables using Hall-effect or other galvanomagnetic devices G01R33/06
• CPC Class Codes: G01D 5/145 influenced by the relative movement between the Hall device and magnetic fields see G01R33/06

Claims

1. A TUBULAR CONVEYANCE SYSTEM COMPRISING A TUBULAR CONVEYOR, A TUBULAR CONVEYANCE ADAPTED TO SLIDE THROUGH SAID CONVEYOR AND BEING BIASED TOWARD A PREDETERMINED ANGULAR POSITION, VARIABLE MAGNETIC MEANS ON SAID CONVEYANCE, MAGNETIC STORER MERANS AT ONE LOCATION ON SAID CYLINDRICAL CONVEYOR FOR VARYING THE MAGNETIC ORIENTATION OF SAID MAGNETIC MEANS ON SAID CONVEYANCE, A PAIR OF HALL VOLTAGE SENSING DEVICES LOCATED ON SAID CONVEYOR REMOTE FROM SAID STORER MEANS FOR RESPONDING TO THE ORIENTATION OF SAID VARIABLE MAGNETIC MEANS WHEN SAID CONVEYANCE