US3177727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular velocity measuring device
Assignee: Westinghouse Electric Corp
•
Filing: 1962-05-23
•
Granted: 1965-04-13
•
Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 George R Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:26
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/42; G01C19/56; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1279
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A VIBRATORY GYRO DEVICE, THE COMBINATION OF A HOLLOW CYLINDRICAL MAGNETOSTRICTIVE ELEMENT VIBRATED TORSIONALLY IN OUT-OF-PHASE RELATIONSHIP IN OPPOSITE DIRECTIONS FROM A NODAL PLANE EQUIDISTANT ITS OPPOSITE ENDS DURING INPUT TURNING MOTION OF SAID DEVICE ABOUT THE GEOMETRIC AXIS OF REVOLUTION OF SAID ELEMENT, AND A PAIR OF ELONGATED PERMANENT MAGNETS POLARIZED LONGITUDINALLY AND EXTENDING TRANSVESELY WITHIN SAID ELEMENT ADJACENT TO ITS OPPOSITE ENDS, RESPECTIVELY, SAID MAGNETS BEING ARRANGED TO BE OF OPPOSITE POLARITY ONE WITH RESPECT TO THE OTHER, AND AN OUTPUT PICKOFF COIL DISPOSED CENTRALLY WITHIN SAID ELEMENT AND HAVING AN AXIS PERPENDICULAR TO AFORESAID AXIS OF SAID ELEMENT AND PERPENDICULAR TO THE DIRECTION OF EXTENSION OF SAID MAGNETS.
Claim 2
Dependent Claim
112 words
IN A VIBRATORY GYRO DEVICE, THE COMBINATION OF A HOLLOW CYLINDRICAL MAGNETOSTRICTIVE ELEMENT VIBRATED TORSIONALLY IN OUT-OF-PHASE RELATIONSHIP IN OPPOSITE DIRECTIONS FROM A NODAL PLANE EQUIDISTANT ITS OPPOSITE ENDS DURING INPUT TURNING MOTION OF SAID DEVICE ABOUT THE GEOMETRIC AXIS OF REVOLUTION OF SAID ELEMENT, AND A PAIR OF ELONGATED PERMANENT MAGNETS POLARIZED LONGITUDINALLY AND EXTENDING TRANSVESELY WITHIN SAID ELEMENT ADJACENT TO ITS OPPOSITE ENDS, RESPECTIVELY, SAID MAGNETS BEING ARRANGED TO BE OF OPPOSITE POLARITY ONE WITH RESPECT TO THE OTHER, AND AN OUTPUT PICKOFF COIL DISPOSED CENTRALLY WITHIN SAID ELEMENT AND HAVING AN AXIS PERPENDICULAR TO AFORESAID AXIS OF SAID ELEMENT AND PERPENDICULAR TO THE DIRECTION OF EXTENSION OF SAID MAGNETS.
References Cited (Backward Citations)
US2712124A
Cited
US2978670A
Cited
US2627400A
Cited
US2683247A
Cited
US3021711A
Cited
US2974530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |