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US3209073A
Expired / Lapsed
US
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Extreme wide angle television photography
Assignee: Barnes Engineering Co
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Filing: 1961-09-18
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Granted: 1965-09-28
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Falbel Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/06; G02B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A SYSTEM FOR TRANSFORMING INTO ELECTRICAL SIGNALS OPTICAL RADIATIONS FROM A SCENE EXTENDING AROUND AT LEAST A LARGE FRACTION OF A FULL CIRCLE, COMPRISING IN COMBINATION, (A) A TELEVISION CAMERA TUBE HAVING THE CENTRAL PORTION MASKED OFF, (B) MEANS FOR IMAGING OPTICAL RADIATIONS FROM THE SCENE ONTO THE EXPOSED ANNULUS OF THE TELEVISION CAMERA TUBE, AND
Claim 2
Independent Claim
56 words
A SYSTEM FOR TRANSFORMING INTO ELECTRICAL SIGNALS OPTICAL RADIATIONS FROM A SCENE EXTENDING AROUND AT LEAST A LARGE FRACTION OF A FULL CIRCLE, COMPRISING IN COMBINATION, (A) A TELEVISION CAMERA TUBE HAVING THE CENTRAL PORTION MASKED OFF, (B) MEANS FOR IMAGING OPTICAL RADIATIONS FROM THE SCENE ONTO THE EXPOSED ANNULUS OF THE TELEVISION CAMERA TUBE, AND
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |