US3127822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for at least partly automatic cameras
Assignee: Agfa Gevaert NV
•
Filing: 1961-11-06
•
Granted: 1964-04-07
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Kiper Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:53
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A CAMERA, IN COMBINATION, DIAPHRAGM MEANS INCLUDING A PAIR OF ROTARY DIAPHRAGM RINGS OPERATIVELY CONNECTED TO BLADES OF THE DIAPHRAGM FOR MAINTAINING A GIVEN DIAPHRAGM APERTURE WHEN SAID RINGS DO NOT CHANGE THEIR ANGULAR POSITION RELATIVE TO EACH OTHER AND FOR MOVING THE BLADES OF THE DIAPHRAGM TO CHANGE THE APERTURE THEREOF WHEN AT LEAST ONE OF THE RINGS TURNS RELATIVE TO THE OTHER; EXPOSURE TIME SETTING MEANS OPPERATIVELY CONNECTED TO ONE OF SAID RINGS SO THAT WHEN BOTH RINGS TURN TOGETHER THE EXPOSURE TIME WILL BE SET WITHOUT CHANGING THE APERTURE OF THE DIAPHRAGM MEANS WHILE WHEN THE OTHER OF SAID RINGS TURNS RELATIVE TO SAID ONE RING THE APERTURE WILL CHANGE WHILE THE EXPOSURE TIME REMAINS UNCHANGED; AND LIGHT-RESPONSIVE MEANS COOPERATING WITH SAID OTHER RING FOR TURNING THE LATTER.
Claim 2
Dependent Claim
132 words
IN A CAMERA, IN COMBINATION, DIAPHRAGM MEANS INCLUDING A PAIR OF ROTARY DIAPHRAGM RINGS OPERATIVELY CONNECTED TO BLADES OF THE DIAPHRAGM FOR MAINTAINING A GIVEN DIAPHRAGM APERTURE WHEN SAID RINGS DO NOT CHANGE THEIR ANGULAR POSITION RELATIVE TO EACH OTHER AND FOR MOVING THE BLADES OF THE DIAPHRAGM TO CHANGE THE APERTURE THEREOF WHEN AT LEAST ONE OF THE RINGS TURNS RELATIVE TO THE OTHER; EXPOSURE TIME SETTING MEANS OPPERATIVELY CONNECTED TO ONE OF SAID RINGS SO THAT WHEN BOTH RINGS TURN TOGETHER THE EXPOSURE TIME WILL BE SET WITHOUT CHANGING THE APERTURE OF THE DIAPHRAGM MEANS WHILE WHEN THE OTHER OF SAID RINGS TURNS RELATIVE TO SAID ONE RING THE APERTURE WILL CHANGE WHILE THE EXPOSURE TIME REMAINS UNCHANGED; AND LIGHT-RESPONSIVE MEANS COOPERATING WITH SAID OTHER RING FOR TURNING THE LATTER.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |