US3075441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposure controlling device for photographic camera
Assignee: Olympus Corp
•
Filing: 1961-11-28
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Granted: 1963-01-29
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Expires: 1981-11-28
Abstract
No abstract record available.
Inventors
- 👤 Maitani Yoshihisa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:24
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN AN EXPOSURE CONTROLLING DEVICE FOR SIMULTANEOUSLY CONTROLLING AN EXPOSURE AND A DIAPHRAGM APERTURE OF A PHOTOGRAPHIC CAMERA IN ACCORDANCE WITH AN INDICATION OF AN EXPOSURE METER CONTAINED IN THE CAMERA, THE COMBINATION OF AN OPERATING MEMBER OPERATIVELY CONNECTED TO MEANS FOR RELEASING SHUTTER MEANS, AND A PAIR OF ROCKABLE LEVER MEMBERS RESILIENTLY ENGAGING SAID OPERATING MEMBER AND INCLUDING CONTROL ELEMENTS FOR CONTROLLING THE EXPOSURE TIME AND THE DIAPHRAGM APERTURE RESPECTIVELY, EACH OF SAID LEVER MEMBERS BEING PROVIDED WITH A PROTRUSION ADAPTED TO PRESS AN INDICATOR ELEMENT OF THE EXPOSURE METER AGAINST A HOLDING STATIONARY MEMBER TO HOLD THE INDICATOR ELEMENT AGAINST THE SAME UPON THE OPERATION OF SAID OPERATING MEMBER, SAID PROTRUSION ON ONE OF SAID LEVER MEMBERS FOR CONTROLLING THE EXPOSURE TIME COMPRISING A PLURALITY OF STEPS EACH PRE-
Claim 2
Dependent Claim
131 words
IN AN EXPOSURE CONTROLLING DEVICE FOR SIMULTANEOUSLY CONTROLLING AN EXPOSURE AND A DIAPHRAGM APERTURE OF A PHOTOGRAPHIC CAMERA IN ACCORDANCE WITH AN INDICATION OF AN EXPOSURE METER CONTAINED IN THE CAMERA, THE COMBINATION OF AN OPERATING MEMBER OPERATIVELY CONNECTED TO MEANS FOR RELEASING SHUTTER MEANS, AND A PAIR OF ROCKABLE LEVER MEMBERS RESILIENTLY ENGAGING SAID OPERATING MEMBER AND INCLUDING CONTROL ELEMENTS FOR CONTROLLING THE EXPOSURE TIME AND THE DIAPHRAGM APERTURE RESPECTIVELY, EACH OF SAID LEVER MEMBERS BEING PROVIDED WITH A PROTRUSION ADAPTED TO PRESS AN INDICATOR ELEMENT OF THE EXPOSURE METER AGAINST A HOLDING STATIONARY MEMBER TO HOLD THE INDICATOR ELEMENT AGAINST THE SAME UPON THE OPERATION OF SAID OPERATING MEMBER, SAID PROTRUSION ON ONE OF SAID LEVER MEMBERS FOR CONTROLLING THE EXPOSURE TIME COMPRISING A PLURALITY OF STEPS EACH PRE-
References Cited (Backward Citations)
US2990758A
Cited
US2981164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |