Patent US3305692A successfully refreshed from Google Patents.
US3305692A
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Fourier transform photoelectric object analyzer
Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1963-07-15
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Granted: 1967-02-21
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Andre J Girard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:54
CPC Classifications
H; H04; H04N; H04N17/00; G; G02; G02B; G02B27/00; G02B27/42; G02B27/46; G06; G06E; G06E3/00; G06E3/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A FOURIER TRANSFORM OBJECT ANALYZER COMPRISING IN COMBINATION A SUPPORT FOR A PLANE OBJECT TO BE ANALYZED, A PLANE PATTERN GRID LOCATED IN A PLANE PARALLEL TO THAT OF SAID OBJECT AND INCLUDING ALTERNATE TRANSPARENT AND OPAQUE REGIONS, SAID REGIONS BEING BOUNDED BY BRANCHES OF A FAMILY OF CURVES DEFINED BY THE CARTESIAN EQUATION:
Claim 2
Dependent Claim
54 words
A FOURIER TRANSFORM OBJECT ANALYZER COMPRISING IN COMBINATION A SUPPORT FOR A PLANE OBJECT TO BE ANALYZED, A PLANE PATTERN GRID LOCATED IN A PLANE PARALLEL TO THAT OF SAID OBJECT AND INCLUDING ALTERNATE TRANSPARENT AND OPAQUE REGIONS, SAID REGIONS BEING BOUNDED BY BRANCHES OF A FAMILY OF CURVES DEFINED BY THE CARTESIAN EQUATION:
References Cited (Backward Citations)
US2997699A
Cited
US3173019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |