US3519331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-dimensional optical data processor
Assignee: United States Department of the Air Force
•
Filing: 1961-03-15
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Granted: 1970-07-07
•
Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Louis J Cutrona
- 👤 Wendell A Blikken
- 👤 Emmett N Leith
- 👤 Arthur L Ingalls
- 👤 Carmen J Palermo
- 👤 Leonard J Porcello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:30
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/42; G02B27/46; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/26; G01S13/28; G06; G06E; G06E3/00; G06E3/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A DEVICE FOR PROCESSING MODULATED RADAR INFORMATION RECORDED AS SIGNAL HISTORIES ON A SIGNAL FROM HAVING AZIMUTH DOPPLER INFORMATION EXTENDING IN ONE DIRECTION AND CODED RANGE INFORMATION EXTENDING IN ONE OTHER DIRECTION, COMPRISING; A POINT LIGHT SOURCE, A COLLIMATINS LENS BETWEEN SAID POINT SOURCE AND SAID SIGNAL FILM, A MONOCHROMATIC FILTER BETWEEN SAID LIGHT SOURCE AND SAID COLLIMATING LENS, MEANS FOR MOVING SAID SIGNAL FILM THROUGH SAID LIGHT IN THE AZIMUTH DIRECTION AT A PREDETERMINED RATE, AN OUTPUT FILM IN LIGHT RECEIVING RELATION TO LIGHT PASSING THROUGH SAID SIGNAL FILM, MEANS FOR MOVING SAID OUTPUT FILM THROUGH SAID LIGHT IN THE AZIMUTH DIRECTION AT A PREDETERMINED RATE RELATIVE TO THE MOVEMENT OF SAID SIGNAL FILM, SIGNAL PROCESSING MEANS LOCATED IN THE PATH OF THE LIGHT PASSING THROUGH SAID SIGNAL FILM FOR MULTIPLYING THE SIGNAL IN THE AZIMUTH DIRECTION WITH THE COMPLEX CONJUGATE OF THE AZIMUTH SIGNAL FOR EACH RANGE, A SECOND SIGNAL PROCESSING MEANS LOCATED IN THE PATH OF THE LIGHT PASSING THROUGH SAID SIGNAL FILM FOR MULTIPLYING THE SIGNAL IN THE RANGE DIRECTION WITH THE COMPLEC CONJUGATE OF THE CODED RANGE SIGNAL ON SAID FILM AND MEANS IN THE LIGHT PATH FOR REMOVING ALL BUT ONE OF THE FIRST ORDER DIFFRACTED IMAGES OF THE SIGNAL ON SAID SIGNAL FILM.
Claim 2
Independent Claim
210 words
A DEVICE FOR PROCESSING MODULATED RADAR INFORMATION RECORDED AS SIGNAL HISTORIES ON A SIGNAL FROM HAVING AZIMUTH DOPPLER INFORMATION EXTENDING IN ONE DIRECTION AND CODED RANGE INFORMATION EXTENDING IN ONE OTHER DIRECTION, COMPRISING; A POINT LIGHT SOURCE, A COLLIMATINS LENS BETWEEN SAID POINT SOURCE AND SAID SIGNAL FILM, A MONOCHROMATIC FILTER BETWEEN SAID LIGHT SOURCE AND SAID COLLIMATING LENS, MEANS FOR MOVING SAID SIGNAL FILM THROUGH SAID LIGHT IN THE AZIMUTH DIRECTION AT A PREDETERMINED RATE, AN OUTPUT FILM IN LIGHT RECEIVING RELATION TO LIGHT PASSING THROUGH SAID SIGNAL FILM, MEANS FOR MOVING SAID OUTPUT FILM THROUGH SAID LIGHT IN THE AZIMUTH DIRECTION AT A PREDETERMINED RATE RELATIVE TO THE MOVEMENT OF SAID SIGNAL FILM, SIGNAL PROCESSING MEANS LOCATED IN THE PATH OF THE LIGHT PASSING THROUGH SAID SIGNAL FILM FOR MULTIPLYING THE SIGNAL IN THE AZIMUTH DIRECTION WITH THE COMPLEX CONJUGATE OF THE AZIMUTH SIGNAL FOR EACH RANGE, A SECOND SIGNAL PROCESSING MEANS LOCATED IN THE PATH OF THE LIGHT PASSING THROUGH SAID SIGNAL FILM FOR MULTIPLYING THE SIGNAL IN THE RANGE DIRECTION WITH THE COMPLEC CONJUGATE OF THE CODED RANGE SIGNAL ON SAID FILM AND MEANS IN THE LIGHT PATH FOR REMOVING ALL BUT ONE OF THE FIRST ORDER DIFFRACTED IMAGES OF THE SIGNAL ON SAID SIGNAL FILM.
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |