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US3261653A
Expired / Lapsed
US
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Motion picture camera with automatic exposure control
Assignee: Eugen Bauer GmbH
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Filing: 1963-11-05
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Granted: 1966-07-19
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Reinsch Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:11
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A MOTION PICTURE CAMERA, IN COMBINATION, DIAPHRAGM MEANS PROVIDING AN EXPOSURE APERTURE THROUGH WHICH FILM IN THE CAMERA IS EXPOSURE APERTURE THROUGH OPERATIVELY CONNECTED TO SAID DIAPHRAGM MEANS FOR AUTOMATICALLY ADJUSTING THE LATTER ACCORDING TO THE LIGHTING CONDITIONS TO PROVIDED AN EXPOSURE APERTURE WHICH WILL GIVE PROPER EXPOSURE WHEN THE FILM IN THE CAMERA IS EXPOSED AT A GIVEN NUMBER OF FRAMES PER SECOND; MANUALLY OPERABLE MEANS FOR CHANGING THE NUMBER OF FRAMES EXPOSED PER SECOND FROM SAID GIVEN NUMBER TO A SECOND NUMBER OF FRAMES PER SECOND; AND MOTION-TRANSMITTING MEANS CONNECTING SAID MANUALLY OPERABLE MEANS TO SAID AUTOMATIC MEANS WHEN SAID MANUALLY OPERABLE MEANS CHANGES THE NUMBER OF FRAMES EXPOSED PER SECOND FROM SAID GIVEN NUMBER FOR TRANSMITTING TO SAID AUTOMATIC MEANS MOVEMENT OF SAID MANUALLY OPERABLE MEANS TO SAID SECOND NUMBER FOR MOVING SAID AUTOMATIC MEANS TO A POSITION WHERE THE DIAPHRAGM MEANS WILL PROVIDE
Claim 2
Dependent Claim
148 words
IN A MOTION PICTURE CAMERA, IN COMBINATION, DIAPHRAGM MEANS PROVIDING AN EXPOSURE APERTURE THROUGH WHICH FILM IN THE CAMERA IS EXPOSURE APERTURE THROUGH OPERATIVELY CONNECTED TO SAID DIAPHRAGM MEANS FOR AUTOMATICALLY ADJUSTING THE LATTER ACCORDING TO THE LIGHTING CONDITIONS TO PROVIDED AN EXPOSURE APERTURE WHICH WILL GIVE PROPER EXPOSURE WHEN THE FILM IN THE CAMERA IS EXPOSED AT A GIVEN NUMBER OF FRAMES PER SECOND; MANUALLY OPERABLE MEANS FOR CHANGING THE NUMBER OF FRAMES EXPOSED PER SECOND FROM SAID GIVEN NUMBER TO A SECOND NUMBER OF FRAMES PER SECOND; AND MOTION-TRANSMITTING MEANS CONNECTING SAID MANUALLY OPERABLE MEANS TO SAID AUTOMATIC MEANS WHEN SAID MANUALLY OPERABLE MEANS CHANGES THE NUMBER OF FRAMES EXPOSED PER SECOND FROM SAID GIVEN NUMBER FOR TRANSMITTING TO SAID AUTOMATIC MEANS MOVEMENT OF SAID MANUALLY OPERABLE MEANS TO SAID SECOND NUMBER FOR MOVING SAID AUTOMATIC MEANS TO A POSITION WHERE THE DIAPHRAGM MEANS WILL PROVIDE
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |