US3158339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guidance system
Assignee: Massachusetts Institute of Technology
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Filing: 1952-08-14
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Granted: 1964-11-24
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Expires: 1972-08-14
Abstract
No abstract record available.
Inventors
- 👤 Roger B Woodbury
- 👤 John F Hutzenlaub
- 👤 Donald J Atwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A GUIDANCE SYSTEM FOR HOLDING ON COURSE A VEHICLE WHICH CONTAINS AUTOMATIC PILOTING APPARATUS AND A MEMBER WHICH IS FIXED WITH RESPECT TO A LINE NORMAL TO THE COURSE PLANE: MEANS FOR DETECTING ACCELERATIONS AND GENERATING AN OUTPUT SIGNAL PROPORTIONAL THERETO, SAID MOUNTED ON THE MEMBER AS TO DETECT ACCELERATIONS WHICH ARE SUBSTANTIALLY HORIZONTAL AND NORMAL TO THE COURSE, CONNECTIONS TO ACTIVATE THE AUTOPILOT FROM SAID SIGNAL, AND FUNCTION GENERATING MEANS TO MODIFY SAID SIGNAL TO MOVE THE VEHICLE IN A DIRECTION OPPOSITE TO THE DIRECTION OF THE ACCELERATIONS WITH A VELOCITY WHICH IS PROPORTIONAL TO
Claim 2
Dependent Claim
97 words
IN A GUIDANCE SYSTEM FOR HOLDING ON COURSE A VEHICLE WHICH CONTAINS AUTOMATIC PILOTING APPARATUS AND A MEMBER WHICH IS FIXED WITH RESPECT TO A LINE NORMAL TO THE COURSE PLANE: MEANS FOR DETECTING ACCELERATIONS AND GENERATING AN OUTPUT SIGNAL PROPORTIONAL THERETO, SAID MOUNTED ON THE MEMBER AS TO DETECT ACCELERATIONS WHICH ARE SUBSTANTIALLY HORIZONTAL AND NORMAL TO THE COURSE, CONNECTIONS TO ACTIVATE THE AUTOPILOT FROM SAID SIGNAL, AND FUNCTION GENERATING MEANS TO MODIFY SAID SIGNAL TO MOVE THE VEHICLE IN A DIRECTION OPPOSITE TO THE DIRECTION OF THE ACCELERATIONS WITH A VELOCITY WHICH IS PROPORTIONAL TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |