Patent US3296947A successfully refreshed from Google Patents.
US3296947A
Expired / Lapsed
US
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Devices for making exposures with artificial light
Assignee: Agfa Gevaert NV
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Filing: 1964-07-27
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Granted: 1967-01-10
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Engelsmann Dieter
- 👤 Brath Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:11
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32; G; G03; G03B; G03B17/00; G03B17/42; G03B7/00; G03B7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A DEVICE FOR MAKING PHOTOGRAPHIC EXPOSURES WITH ARTIFICIAL, ILLUMINATIOON, IN COMBINATION, ILLUMINATING MEANS FOR ARTIFICIALLY ILLUMINATING A SUBJECT WHICH IS TO BE PHOTOGRAPHED; REGULATING MEANS OPERATIVELY CONNECTED TO SAID ILLUMINATING MEANS FOR REGULATING THE INTENSITY OF THE ILLUMINATION PROVIDED THEREBY; AN OBJECTIVE ASSEMBLY INCLUDING FOCUSING MEANS FOR SETTING INTO THE DEVICE THE DISTANCE BETWEEN THE SUBJECT AND THE DEVICE AND DIAPHRAGM-ADJUSTING MEANS FOR ADJUSTING THE EXPOSURE APERTURE, SAID FOCUSING MEANS BEING OPERATIVELY CONNECTED TO SAID REGULATING MEANS FOR ACTUATING THE LATTER REGULATE THE LIGHT INTENSITY OF SAID ILLUMINATING MEANS ACCORDING TO THE DISTANCE SET BY SAID FOCUSING MEANS, SAID DIAPHRAGM-ADJUSTING MEANS BEING ADJUSTABLE THROUGH AT LEAST TWO RANGES, ONE OF WHICH PROVIDES ADJUSTMENTS FOR EXPOAND THE OTHER OF WHICH PROVIDES ADJUSTMENTS FOR EXPOSURES WITH ARTIFICIAL ILLUMINATION; AND A SCALE OF FILM SPEEDS OPERATIVELY CONNECTED WITH SAID DIAPHRAGM-ADJUSTING MEANS AND COOPERATING THEREWITH WHEN THE LATTER IS IN THE OTHER OF SAID RANGES FOR SETTING SAID DIAPHRAGM-ADJUSTING MEANS ACCORDING TO THE SPEED OF THE FILM WHICH IS EXPOSED.
Claim 2
Dependent Claim
167 words
IN A DEVICE FOR MAKING PHOTOGRAPHIC EXPOSURES WITH ARTIFICIAL, ILLUMINATIOON, IN COMBINATION, ILLUMINATING MEANS FOR ARTIFICIALLY ILLUMINATING A SUBJECT WHICH IS TO BE PHOTOGRAPHED; REGULATING MEANS OPERATIVELY CONNECTED TO SAID ILLUMINATING MEANS FOR REGULATING THE INTENSITY OF THE ILLUMINATION PROVIDED THEREBY; AN OBJECTIVE ASSEMBLY INCLUDING FOCUSING MEANS FOR SETTING INTO THE DEVICE THE DISTANCE BETWEEN THE SUBJECT AND THE DEVICE AND DIAPHRAGM-ADJUSTING MEANS FOR ADJUSTING THE EXPOSURE APERTURE, SAID FOCUSING MEANS BEING OPERATIVELY CONNECTED TO SAID REGULATING MEANS FOR ACTUATING THE LATTER REGULATE THE LIGHT INTENSITY OF SAID ILLUMINATING MEANS ACCORDING TO THE DISTANCE SET BY SAID FOCUSING MEANS, SAID DIAPHRAGM-ADJUSTING MEANS BEING ADJUSTABLE THROUGH AT LEAST TWO RANGES, ONE OF WHICH PROVIDES ADJUSTMENTS FOR EXPOAND THE OTHER OF WHICH PROVIDES ADJUSTMENTS FOR EXPOSURES WITH ARTIFICIAL ILLUMINATION; AND A SCALE OF FILM SPEEDS OPERATIVELY CONNECTED WITH SAID DIAPHRAGM-ADJUSTING MEANS AND COOPERATING THEREWITH WHEN THE LATTER IS IN THE OTHER OF SAID RANGES FOR SETTING SAID DIAPHRAGM-ADJUSTING MEANS ACCORDING TO THE SPEED OF THE FILM WHICH IS EXPOSED.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |