Angular velocity measuring device

• US 3,143,889 A
• Filed: 08/23/1960
• Issued: 08/11/1964
• Est. Priority Date: 08/23/1960
• Status: Expired due to Term

• Current Assignee: Arthur L. Simmons, David W. Roese, John W. Dzimianski
• Original Assignee: Arthur L. Simmons, David W. Roese, John W. Dzimianski
• Inventors: Simmons, Arthur L., Roese, David W., Dzimianski, John W.
• Application Number:
  US04/051,328
• Time in Patent Office: 1,449 Days
• US Class Current: 73/504.12
• CPC Class Codes: G01C 19/56 Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
• CPC Class Codes: Y10T 74/12 Gyroscopes

Claims

7. IN A VIBRATORY GYRO DEVICE, A SYMMETRICAL ELEMENT OF UNIFORM CROSS-SECTIONAL MASS DISTRIBUTION AND OF A MATERIAL EXHIBITING AN INTERNAL VIBRATORY STRAIN REACTION TO AN ALTERNATING ELECTRICAL EXCITATION AND EXHIBITING AN ALTERNATING ELECTRICAL CHARACTERISTIC RESPOSIVELY TO AN ALTERNATING STRAIN, SAID ELEMENT BEING CONSTRUCTED AND ARRANGED FOR INTERNAL VIBRATION IN A DRIVEN MODE NORMAL TO AND IN OPPOSED RELATIONSHIP AT OPPOSITE SIDES OF AN AXIS OF SYMMETRY OF SAID ELEMENT AND FOR INTERNAL VIBRATION IN AN OUTPUT MODE IN OPPOSED RELATIONSHIP AT OPPOSITE SIDES OF SAID AXIS OF SYMMETRY RESPONSIVELY TO BEING TURNED ABOUT SAID AXIS WHILE VIBRATING IN SAID DRIVEN MODE, SAID OUTPUT MODE BEING A VIBRATORY MODE DIFFERENT THAN SAID DRIVEN MODE, A MOUNTING MEMBER SUPPORTING SAID ELEMENT IN A NODAL REGION OF VIBRATION IN BOTH INPUT AND OUTPUT MODES, AND MEANS FOR INTRODUCING SAID ELECTRICAL