US3107514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft heading alignment apparatus and method
Assignee: Unisys Corp
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Filing: 1961-12-26
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Granted: 1963-10-22
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 David S Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:34
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0083; G01; G01C; G01C25/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
110 words
A DIRECTIONAL REFERENCE SYSTEM COMPRISING: (A) DIRECTIONAL REFERENCE MEANS, (B) HEADING INDICATING ELEMENT MEANS, (C) MEANS POSITIONING SAID ELEMENT MEANS AND NORMALLY CONTROLLED BY THE ERROR BETWEEN SAID DIRECTIONAL REFERENCE MEANS AND SAID ELEMENT MEANS, (D) MEANS FOR SETTING SAID ELEMENT MEANS TO THE KNOWN HEADING OF A RUNWAY PRIOR TO A TAKE-OFF RUN, (E) MEANS FOR ELIMINATING ANY ERROR BETWEEN SAID DIRECTIONAL REFERENCE MEANS AND SAID ELEMENT MEANS PRIOR TO THE TAKE-OFF RUN, (F) AND MEANS EFFECTIVE DURING THE TAKE-OFF RUN FOR INTEGRATING ANY ERROR BETWEEN THE ACTUAL HEADING OF THE AIRCRAFT AND THE KNOWN HEADING OF THE RUNWAY DURING SAID TAKE-OFF RUN AND FOR CORRECTING SAID ELEMENT ACCORDINGLY.
Claim 2
Dependent Claim
110 words
A DIRECTIONAL REFERENCE SYSTEM COMPRISING: (A) DIRECTIONAL REFERENCE MEANS, (B) HEADING INDICATING ELEMENT MEANS, (C) MEANS POSITIONING SAID ELEMENT MEANS AND NORMALLY CONTROLLED BY THE ERROR BETWEEN SAID DIRECTIONAL REFERENCE MEANS AND SAID ELEMENT MEANS, (D) MEANS FOR SETTING SAID ELEMENT MEANS TO THE KNOWN HEADING OF A RUNWAY PRIOR TO A TAKE-OFF RUN, (E) MEANS FOR ELIMINATING ANY ERROR BETWEEN SAID DIRECTIONAL REFERENCE MEANS AND SAID ELEMENT MEANS PRIOR TO THE TAKE-OFF RUN, (F) AND MEANS EFFECTIVE DURING THE TAKE-OFF RUN FOR INTEGRATING ANY ERROR BETWEEN THE ACTUAL HEADING OF THE AIRCRAFT AND THE KNOWN HEADING OF THE RUNWAY DURING SAID TAKE-OFF RUN AND FOR CORRECTING SAID ELEMENT ACCORDINGLY.
Claim 3
Independent Claim
96 words
A METHOD OF ALIGNING A HEADING INDICATING ELEMENT OF A DIRECTIONAL REFERENCE SYSTEM FOR AIRCRAFT INCLUDING THE STEPS OF, (A) ALIGNING THE AIRCRAFT APPROXIMATELY WITH THE CENTER LINE OF A RUNWAY, (B) SETTING THE HEADING INDICATING ELEMENT TO THE KNOWN HEADING OF THE RUNWAY PRIOR TO A TAKE-OFF RUN, (C) ELIMINATING ANY ERROR BETWEEN A DIRECTIONAL GYROSCOPE OF SAID SYSTEM AND SAID ELEMENT PRIOR TO A TAKE-OFF RUN, (D) AND INTERGRATING ANY ERROR BETWEEN THE ACTUAL HEADING OF THE AIR CRAFT AND THE KNOWN HEADING OF THE RUNWAY THE TAKE-OFF RUN FOR CORRECTING SAID ELEMENT ACCORDINGLY.
Claim 4
Independent Claim
96 words
A METHOD OF ALIGNING A HEADING INDICATING ELEMENT OF A DIRECTIONAL REFERENCE SYSTEM FOR AIRCRAFT INCLUDING THE STEPS OF, (A) ALIGNING THE AIRCRAFT APPROXIMATELY WITH THE CENTER LINE OF A RUNWAY, (B) SETTING THE HEADING INDICATING ELEMENT TO THE KNOWN HEADING OF THE RUNWAY PRIOR TO A TAKE-OFF RUN, (C) ELIMINATING ANY ERROR BETWEEN A DIRECTIONAL GYROSCOPE OF SAID SYSTEM AND SAID ELEMENT PRIOR TO A TAKE-OFF RUN, (D) AND INTERGRATING ANY ERROR BETWEEN THE ACTUAL HEADING OF THE AIR CRAFT AND THE KNOWN HEADING OF THE RUNWAY THE TAKE-OFF RUN FOR CORRECTING SAID ELEMENT ACCORDINGLY.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |