Patent US3345017A successfully refreshed from Google Patents.
US3345017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic guidance and landing system for aircraft
Assignee: Allard Way Holdings Ltd
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Filing: 1965-04-12
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Granted: 1967-10-03
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Olah George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:40
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
IN A LANDING SYSTEM FOR AIRCRAFT COMPRISING, IN COMBINATION: GYRO MEANS HAVING AN OUTPUT Y INDICATIVE OF ACCELERATION OF THE AIRCRAFT IN A DIRECTION LATERAL WITH RESPECT TO A PREDETERMINED GLIDE SLOPE PATH; INTEGRATOR MEANS FOR INTEGRATING THE OUTPUT Y OF SAID GYRO MEANS TO PRODUCE A LATERAL POSITION OUTPUT Y* INDICATIVE OF THE LATERAL POSITION OF THE AIRCRAFT WITH RESPECT TO THE GLIDE SLOPE PATH ACCORDING TO THE GYRO MEANS; I.L.S. RECEIVING MEANS FOR PRODUCING AN OUTPUT SIGNAL Y INDICATIVE OF LATERAL DEVIATION OF THE AIRCRAFT WITH RESPECT TO THE GLIDE SLOPE PATH; COMPARATOR MEANS CONNECTED TO THE OUTPUTS OF SAID I.L.S. RECEIVING MEANS AND SAID INTEGRATOR MEANS AND HAVING AN OUTPUT Y-Y* INDICATIVE OF THE ERROR IN THE OUTPUT OF SAID GYRO MEANS; AUTOPILOT MEANS FOR CONTROLLING THE AIRCRAFT ACCORDING TO SAID OUTPUT Y*; AND FEEDBACK MEANS FOR MODIFYING SAID OUTPUT Y* ACCORDING TO SAID OUTPUT Y-Y*.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |