US3143892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertial platform
Assignee: Ambac International Corp
•
Filing: 1958-03-12
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Granted: 1964-08-11
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Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Philip W Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:25
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
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.
Claim 2
Dependent Claim
90 words
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.
References Cited (Backward Citations)
US1947562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |