US3098228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation system
Assignee: Bendix Corp
•
Filing: 1958-09-05
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Granted: 1963-07-16
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Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 William W Medlinski
- 👤 Morey L Hodgman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:41
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A NAVIGATION SYSTEM FROM GUIDING A CRAFT TO INTERCEPT, CAPTURE, AND TRACK A RADIO BEAM, COMPRISING RADIO MEANS FOR PROVIDING SIGNALS CORRESPONDING TO THE DISPLACEMENT OF THE CRAFT FROM THE BEAM, DIRECTION RESPONSIVE MEANS FOR PROVIDING SIGNALS CORRESPONDING TO THE HEADING OF THE CRAFT RELATIVE TO THE DIRECTION OF THE BEAM, MEANS FOR COMBINING THE SIGNALS AT ONE FIXED RATIO WHILE THE CRAFT INTERCEPTS THE BEAM, MEANS RESPONSIVE TO THE SIGNALS FOR GUIDING THE CRAFT, MEANS FOR CHANGING THE RATIO OF THE DISPLACEMENT AND HEADING SIGNALS RELATIVE TO ONE ANOTHER, AND MEANS FOR SENSING THE AMPLITUDE OF THE DISPLACEMENT SIGNALS AND OPERATING SAID RATIO CHANGING MEANS WHEN THE DISPLACEMENT SIGNAL AMPLITUDE DROPS TO A PREDETERMINED VALUE SUBSTANTIALLY GREATER THAN ZERO IRRESPECTIVE
References Cited (Backward Citations)
US1958258A
Cited
GB516567A
Cited
GB626124A
Cited
US2613350A
Cited
US2482809A
Cited
US2613352A
Cited
US2776428A
Cited
US2881990A
Cited
US2801059A
Cited
US2932023A
Cited
US2845623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |