US3229533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopic apparatus and the art of employing same
Assignee: Massachusetts Institute of Technology
•
Filing: 1960-11-21
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Granted: 1966-01-18
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Charles S Draper
- 👤 Jr Ernest B Dane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:43
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221; Y10T74/1229
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN SYSTEMS EMPLOYING A GYROSCOPE OF THE TYPE WHEREIN A SPIN AXIS BEARING SUPPORTS A ROTOR ON A FRAME, THE ART OF COMPENSATING FOR THE UNBALANCE TORQUE ON SAID FRAME RESULTING FROM A SHIFT IN THE DISPLACEMENT OF SAID ROTOR RELATIVE TO SAID FRAME WHICH COMPRISES THE FOLLOWING STEPS: (A) MEASURING SAID DISPLACEMENT, (B) MEASURING APPLIED SPECIFIC FORCE, AND (C) APPLYING TO SAID FRAME IN OPPOSITION TO SAID TORQUE A COMPENSATING TORQUE PROPORTIONAL TO BOTH SAID DISPLACEMENT AND SAID FORCE.
Claim 2
Dependent Claim
80 words
IN SYSTEMS EMPLOYING A GYROSCOPE OF THE TYPE WHEREIN A SPIN AXIS BEARING SUPPORTS A ROTOR ON A FRAME, THE ART OF COMPENSATING FOR THE UNBALANCE TORQUE ON SAID FRAME RESULTING FROM A SHIFT IN THE DISPLACEMENT OF SAID ROTOR RELATIVE TO SAID FRAME WHICH COMPRISES THE FOLLOWING STEPS: (A) MEASURING SAID DISPLACEMENT, (B) MEASURING APPLIED SPECIFIC FORCE, AND (C) APPLYING TO SAID FRAME IN OPPOSITION TO SAID TORQUE A COMPENSATING TORQUE PROPORTIONAL TO BOTH SAID DISPLACEMENT AND SAID FORCE.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |