Inertial platform

• US 3,143,892 A
• Filed: 03/12/1958
• Issued: 08/11/1964
• Est. Priority Date: 03/12/1958
• Status: Expired due to Term

• Current Assignee: Philip W. Chapman
• Original Assignee: Philip W. Chapman
• Inventors: Chapman, Philip W.
• Application Number:
  US03/721,040
• Time in Patent Office: 2,344 Days
• US Class Current: 74/5.34
• CPC Class Codes: G01C 21/18 Stabilised platforms, e.g. by gyroscope
• CPC Class Codes: Y10T 74/1221 Multiple gyroscopes

Claims

1. IN A DEVICE OF THE CHARACTER DESCRIBED, A FRAME MOUNTED ON AN UNSTABLE SUPPORT, A PLURALITY OF GYROSCOPES HAVING SUBSTANTIALLY PARALLEL SPIN AXES, SAID GYROSCOPES BEING MOUNTED FOR UNIVERSAL ROTATION IN SAID FRAME, PICKOFF MEANS FOR DETECTING RELATIVE DISPLACEMENT BETWEEN SAID GYROSCOPES AND SAID FRAME, MEANS FOR COMBINING THE OUTPUTS OF SAID PICKOFF MEANS TO PRODUCE SIGNALS PROPORTIONAL TO THE SUM AND DIFFERENCES THEREBETWEEN, TORQUING MEANS FOR CONTROLLING SAID GYROSCOPES ACCORDING TO SAID DIFFERENCES AND MOTIVE MEANS FOR DRIVING SAID FRAME WITH RESPECT TO SAID SUPPORT ACCORDING TO SAID SUM.