US3202759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image pickup system
Assignee: RCA Corp
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Filing: 1961-11-16
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Granted: 1965-08-24
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Stanley V Forgue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:01
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A RADIANT ENERGY CAMERA COMPRISING A FIXED FILTER WHICH HAS A PREDETERMINED PASS BAND, A VARIABLE FILTER WHICH NORMALLY PASSES RADIANT ENERGY SUBSTANTIALLY ONLY BEYOND THE LONG WAVELENGTH LIMIT OF SAID FIXED FILTER, SAID VARIABLE FILTER BEING POSITIONED TO RECEIVE RADIANT ENERGY PASSED BY SAID FIXED FILTER, MEANS FOR SELECTIVELY SHIFTING THE PASS BAND OF ELEMENTAL AREAS OF SAID VARIABLE FILTER TOWARDS SHORTER WAVELENGTHS TO CAUSE THE PASS BAND OF SAID AREAS TO OVERLAP SAID PREDETERMINED PASS BAND.
Claim 2
Dependent Claim
78 words
A RADIANT ENERGY CAMERA COMPRISING A FIXED FILTER WHICH HAS A PREDETERMINED PASS BAND, A VARIABLE FILTER WHICH NORMALLY PASSES RADIANT ENERGY SUBSTANTIALLY ONLY BEYOND THE LONG WAVELENGTH LIMIT OF SAID FIXED FILTER, SAID VARIABLE FILTER BEING POSITIONED TO RECEIVE RADIANT ENERGY PASSED BY SAID FIXED FILTER, MEANS FOR SELECTIVELY SHIFTING THE PASS BAND OF ELEMENTAL AREAS OF SAID VARIABLE FILTER TOWARDS SHORTER WAVELENGTHS TO CAUSE THE PASS BAND OF SAID AREAS TO OVERLAP SAID PREDETERMINED PASS BAND.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |