US3240136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera control means
Assignee: Pentax Corp
•
Filing: 1961-09-07
•
Granted: 1966-03-15
•
Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Fujimori Seiichiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A SINGLE LENS REFLEX CAMERA HAVING AN EXPOSURE METER INCLUDING A MEASURING INSTRUMENT AND A PHOTOSENSITIVE CELL, WITH THE CELL BEING MOUNTED FOR MOVEMENT INTO AND OUT OF THE PATH OF LIGHT RAYS ENTERING THROUGH THE CAMERA OBJECTIVE; A DIAPHRAGM; A DIAPHRAGM ADJUSTER; SETTING MEANS OPERATIVELY CONNECTED TO SAID ADJUSTER AND OPERABLE TO ADJUST SAID DIAPHRAGM; AND MANUALLY ACTUABLE MEANS CONNECTED BOTH TO SAID CELL AND TO SAID SETTING MEANS AND EFFECTIVE, WHEN ACTUATED, TO OPERATE SAID SETTING MEANS TO ADJUST SAID DIAPHRAGM TO A POSITION DETERMINED BY SAID ADJUSTER AND TO MOVE SAID CELL INTO SUCH LIGHT RAY PATH.
Claim 2
Dependent Claim
101 words
IN A SINGLE LENS REFLEX CAMERA HAVING AN EXPOSURE METER INCLUDING A MEASURING INSTRUMENT AND A PHOTOSENSITIVE CELL, WITH THE CELL BEING MOUNTED FOR MOVEMENT INTO AND OUT OF THE PATH OF LIGHT RAYS ENTERING THROUGH THE CAMERA OBJECTIVE; A DIAPHRAGM; A DIAPHRAGM ADJUSTER; SETTING MEANS OPERATIVELY CONNECTED TO SAID ADJUSTER AND OPERABLE TO ADJUST SAID DIAPHRAGM; AND MANUALLY ACTUABLE MEANS CONNECTED BOTH TO SAID CELL AND TO SAID SETTING MEANS AND EFFECTIVE, WHEN ACTUATED, TO OPERATE SAID SETTING MEANS TO ADJUST SAID DIAPHRAGM TO A POSITION DETERMINED BY SAID ADJUSTER AND TO MOVE SAID CELL INTO SUCH LIGHT RAY PATH.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |