US3242493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Runway defining apparatus
Assignee: Unisys Corp
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Filing: 1962-11-29
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Granted: 1966-03-22
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ivar S Westerback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:52
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
APPARATUS FOR PRODUCING A RUNWAY IMAGE HAVING A CONFIGURATION CORRESPONDING TO THE CONFIGURATION OF THE REAL RUNWAY AS WOULD BE SEEN BY A PILOT DURING A LANDING MANEUVER OF THE AIRCRAFT COMPRISING CATHODE RAY TUBE MEANS, MEANS FOR DEFLECTING THE ELECTRON BEAM OF SAID TUBE MEANS IN ORTHOGONAL DIRECTIONS, MEANS FOR PRODUCING FIRST SIGNALS FOR APPLICATION TO SAID BEAM DEFLECTING MEANS CAPABLE OF DEFLECTING SAID BEAM TO LOCATE A FIRST QUIESCENT POSITION ON SAID TUBE MEANS FACE, SAID POSITION REPRESENTING THE LOCATION OF A POINT ON THE THRESHOLD OF SAID RUNWAY, MEANS FOR PRODUCING SECOND SIGNALS FOR APPLICATION TO SAID BEAM DEFLECTING MEANS CAPABLE OF DEFLECTING SAID BEAM TO LOCATE A SECOND QUIESCENT POSITION ON SAID TUBE MEANS FACE REPRESENTING THE LOCATION OF A POINT ON THE FAR END OF SAID RUNWAY, AND MEANS FOR PRODUCING SWEEP SIGNALS FOR APPLICATION TO SAID BEAM DEFLECTING MEANS TO CREATE A TRACE ON SAID TUBE FACE THAT JOINS BOTH SAID QUIESCENT POSITIONS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |