US3355538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar landmass simulator
Assignee: Individual
•
Filing: 1966-10-25
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Granted: 1967-11-28
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Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 David E Thomas
- 👤 Robert L Merten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:27
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A RADAR SIMULATOR, AN ELEVATION SIGNAL GENERATOR COMPRISING: A FLYING SPOT SCANNER; A FACTORED STORAGE MEMBER HAVING CODED ELEVATION INFORMATION STORED THEREON IN THE FORM OF A PLURALITY OF PAIRS OF ADJACENT AREAS OF PREDETERMINED GRAY LEVELS DISPOSED TO BE TRAVERSED BY A SPOT OF LIGHT FROM SAID SCANNER, EACH OF GRAY LEVEL PAIRS BEING REPRESENTATIVE OF A PREDETERMINED ELEVATION; PHOTOMULTIPLIER MEANS DISPOSED TO RECEIVE SCANNER LIGHT TRANSMITTED THERETO FROM SAID STORAGE MEANS, SAID PHOTOMULTIPLIER MEANS PROVIDING AN OUTPUT CORRESPONDING TO LIGHT RECEIVED FROM EACH OF SAID GRAY LEVELS;
Claim 2
Dependent Claim
90 words
IN A RADAR SIMULATOR, AN ELEVATION SIGNAL GENERATOR COMPRISING: A FLYING SPOT SCANNER; A FACTORED STORAGE MEMBER HAVING CODED ELEVATION INFORMATION STORED THEREON IN THE FORM OF A PLURALITY OF PAIRS OF ADJACENT AREAS OF PREDETERMINED GRAY LEVELS DISPOSED TO BE TRAVERSED BY A SPOT OF LIGHT FROM SAID SCANNER, EACH OF GRAY LEVEL PAIRS BEING REPRESENTATIVE OF A PREDETERMINED ELEVATION; PHOTOMULTIPLIER MEANS DISPOSED TO RECEIVE SCANNER LIGHT TRANSMITTED THERETO FROM SAID STORAGE MEANS, SAID PHOTOMULTIPLIER MEANS PROVIDING AN OUTPUT CORRESPONDING TO LIGHT RECEIVED FROM EACH OF SAID GRAY LEVELS;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |