Patent US3077154A successfully refreshed from Google Patents.
US3077154A
Expired / Lapsed
US
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Cameras including a diaphragm and a photoelectric cell
Assignee: Thales Avionics SAS
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Filing: 1960-10-24
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Granted: 1963-02-12
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jullien-Davin Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:43
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A CAMERA HAVING AN OBJECTIVE LENS ASSEMBLY, DIAPHRAGMING MEANS FOR CONTROLLING THE PASSAGE OF THE LIGHT RAYS PASSING THROUGH SAID OBJECTIVE LENS ASSEMBLY, DRIVING MEANS FOR CONTROLLING SAID DIAPHRAGMING MEANS AND LIGHTSENSITIVE MEANS CONNECTED TO SAID DRIVING MEANS FOR CONTROLLING THE LATTER, AS A FUNCTION OF THE LIGHT INTENSITY, THE LOCATION OF AT LEAST A PART OF SAID LIGHTSENSITIVE MEANS ON AT LEAST A PART OF THE FRONT FACE OF SAID DIAPHRAGMING MEANS, SO THAT THE LIGHTSENSITIVE MEANS BE STRUCK ONLY BY A PART OF THE LIGHT RAYS SUBSTANTIALLY DIRECTED ONTO THE ZONE OF SAID OBJECTIVE LENS ASSEMBLY AND THAT THE DIAPHRAGMATIC MEANS ARE CONTROLLED BY AN ENERGY WHICH IS A FUNCTION OF THE STOPPING DOWN OF THE OBJECTIVE LENS ASSEMBLY.
Claim 2
Dependent Claim
122 words
IN A CAMERA HAVING AN OBJECTIVE LENS ASSEMBLY, DIAPHRAGMING MEANS FOR CONTROLLING THE PASSAGE OF THE LIGHT RAYS PASSING THROUGH SAID OBJECTIVE LENS ASSEMBLY, DRIVING MEANS FOR CONTROLLING SAID DIAPHRAGMING MEANS AND LIGHTSENSITIVE MEANS CONNECTED TO SAID DRIVING MEANS FOR CONTROLLING THE LATTER, AS A FUNCTION OF THE LIGHT INTENSITY, THE LOCATION OF AT LEAST A PART OF SAID LIGHTSENSITIVE MEANS ON AT LEAST A PART OF THE FRONT FACE OF SAID DIAPHRAGMING MEANS, SO THAT THE LIGHTSENSITIVE MEANS BE STRUCK ONLY BY A PART OF THE LIGHT RAYS SUBSTANTIALLY DIRECTED ONTO THE ZONE OF SAID OBJECTIVE LENS ASSEMBLY AND THAT THE DIAPHRAGMATIC MEANS ARE CONTROLLED BY AN ENERGY WHICH IS A FUNCTION OF THE STOPPING DOWN OF THE OBJECTIVE LENS ASSEMBLY.
References Cited (Backward Citations)
US2058532A
Cited
US2841064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |