System for controlling an aircraft from a magnetic sensor

• US 3,079,107 A
• Filed: 03/03/1958
• Issued: 02/26/1963
• Est. Priority Date: 03/03/1958
• Status: Expired due to Term

• Current Assignee: Samuel H. Auld Jr, William P. Lear
• Original Assignee: Samuel H. Auld Jr, William P. Lear
• Inventors: Auld, Samuel H. Jr., Lear, William P.
• Application Number:
  US03/718,838
• Time in Patent Office: 1,821 Days
• US Class Current: 244/175
• CPC Class Codes: G05D 1/0623 by acting on the pitch

Claims

3. IN AN AIRCRAFT HAVING AN AUTOPILOT OPERATING IN RESPONSE TO A CONTROL SIGNAL, A SYSTEM FOR CONTROLLING THE AUTOPILOT INCLUDING IN COMBINATION, A MAGNETIC SENSING DEVICE IN FIXED RELATION TO THE AIRCRAFT, SAID SENSING DEVICE INCLUDING MEANS CONSTITUTING A MAGNETIC REFERENCE IN THE EARTH'"'"''"'"'S MAGNETIC FIELD, A PICK-UP COIL COOPERATIVELY ASSOCIATED WITH SAID SENSING DEVICE AND ADAPTED TO HAVE SIGNALS INDUCED THEREIN REPRESENTING ITS POSITION RELATIVE TO THE MAGNETIC REFERENCE, MEANS FOR SELECTIVELY POSITIONING SAID COIL IN A POSITION CORRESPONDING TO A DESIRED HEADING, DEMODULATOR MEANS COUPLED TO SAID PICK-UP COIL, INTEGRATOR MEANS COUPLED TO SAID DEMODULATOR MEANS AND PRODUCING A CONTROL SIGNAL AND MEANS FOR APPLYING SAID CONTROL SIGNAL AT THE OUTPUT OF SAID INTEGRATOR MEANS TO THE AUTOPILOT TO CONTROL THE HEADING OF THE AIRCRAFT SO THAT THE VOLTAGE INDUCED IN SAID PICK-UP COIL IS SUBSTANTIALLY ZERO.