Patent US3106141A successfully refreshed from Google Patents.
US3106141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visual signal for photographic cameras
Assignee: Eastman Kodak Co
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Filing: 1959-09-10
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Granted: 1963-10-08
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Expires: 1979-09-10
Abstract
No abstract record available.
Inventors
- 👤 Cameron B Estes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:30
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A CAMERA HAVING AN AUTOMATIC EXPOSURE CONTROL SYSTEM INCLUDING A PHOTOCELL AND A MEMBER MOVED AUTOMATICALLY UNDER CONTROL OF SAID PHOTOCELL AS A FUNCTION OF SCENE BRIGHTNESS TO REGULATE THE EXPOSURE OF FILM IN SAID CAMERA, THE COMBINATION COMPRISING: MEANS INCLUDING AN ELECTRIC LAMP AND A SOURCE OF ELECTRICAL POTENTIAL FOR SAID LAMP FOR TRANSMITTING LIGHT TO A VIEWING LOCUS VISIBLE FROM THE OUTSIDE OF THE CAMERA; AND SIGNAL CONTROL MEANS DISPOSED IN COOPERATIVE RELATION WITH SAID TRANSMITTING MEANS AND MOVED BY SAID MEMBER IN TIMED RELATION THEREWITH FOR MODIFYING THE LIGHT TRANSMITTED TO SAID LOCUS IN ACCORDANCE WITH THE POSITION OF SAID MEMBER.
Claim 2
Dependent Claim
105 words
IN A CAMERA HAVING AN AUTOMATIC EXPOSURE CONTROL SYSTEM INCLUDING A PHOTOCELL AND A MEMBER MOVED AUTOMATICALLY UNDER CONTROL OF SAID PHOTOCELL AS A FUNCTION OF SCENE BRIGHTNESS TO REGULATE THE EXPOSURE OF FILM IN SAID CAMERA, THE COMBINATION COMPRISING: MEANS INCLUDING AN ELECTRIC LAMP AND A SOURCE OF ELECTRICAL POTENTIAL FOR SAID LAMP FOR TRANSMITTING LIGHT TO A VIEWING LOCUS VISIBLE FROM THE OUTSIDE OF THE CAMERA; AND SIGNAL CONTROL MEANS DISPOSED IN COOPERATIVE RELATION WITH SAID TRANSMITTING MEANS AND MOVED BY SAID MEMBER IN TIMED RELATION THEREWITH FOR MODIFYING THE LIGHT TRANSMITTED TO SAID LOCUS IN ACCORDANCE WITH THE POSITION OF SAID MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |