US3220329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic exposure calibration adjustment
Assignee: Eastman Kodak Co
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Filing: 1963-01-18
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Granted: 1965-11-30
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Coleman Donald William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:23
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A CAMERA HAVING A PICTURE-TAKING AXIS AND AN AUTOMATIC EXPOSURE CONTROL SYSTEM FOR VARYING THE LIGHT PASSING ALONG SAID AXIS IN ACCORDANCE WITH SCENE BRIGHTNESS, SAID SYSTEM INCLUDING A CALIBRATED CONTROL MEMBER MOVABLE TO PREDETERMINED POSITIONS FOR MANUALLY ADJUSTING THE LIGHT INTENSITY-EXPOSURE VALUE RESPONSE OF SAID SYSTEM IN ACCORDANCE WITH KNOWN VARIABLES TO PROVIDE NORMAL EXPOSURE OF FILM USED IN SAID CAMERA, THE IMPROVEMENT COMPRISING: OVERDRIVE MEANS COUPLED TO SAID CONTROL MEMBER AND MOVABLE FROM A FIRST POSITION TO EITHER OF A
Claim 2
Dependent Claim
83 words
IN A CAMERA HAVING A PICTURE-TAKING AXIS AND AN AUTOMATIC EXPOSURE CONTROL SYSTEM FOR VARYING THE LIGHT PASSING ALONG SAID AXIS IN ACCORDANCE WITH SCENE BRIGHTNESS, SAID SYSTEM INCLUDING A CALIBRATED CONTROL MEMBER MOVABLE TO PREDETERMINED POSITIONS FOR MANUALLY ADJUSTING THE LIGHT INTENSITY-EXPOSURE VALUE RESPONSE OF SAID SYSTEM IN ACCORDANCE WITH KNOWN VARIABLES TO PROVIDE NORMAL EXPOSURE OF FILM USED IN SAID CAMERA, THE IMPROVEMENT COMPRISING: OVERDRIVE MEANS COUPLED TO SAID CONTROL MEMBER AND MOVABLE FROM A FIRST POSITION TO EITHER OF A
References Cited (Backward Citations)
US3087395A
Cited
US2975693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |