Patent US4772952A successfully refreshed from Google Patents.
US4772952A
Expired / Lapsed
US
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Film magazine
Assignee: Honeywell Regelsysteme GmbH
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Filing: 1986-11-28
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Granted: 1988-09-20
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Expires: 2006-11-28
Abstract
Abstract For the evaluation of a film independent of its predetermined recording velocity, a film storage drum is provided on which a film take-up reel is mounted. The film storage drum and the film take-up reel are capable of rotating with respect to each other in both directions. The film is fed via the storage drum to the film take-up reel, whereat a film evaluating device is mounted on the storage drum with the film passing the evaluating device on its way from the storage drum to the film take-up reel.
Inventors
- 👤 T. Khoen Liem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:09
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26; G03B17/265; G03B15/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
62 words
A film magazine comprising a film supply real, a film take-up reel, a film evaluation device located between said reels, and a film storage drum supporting said film take-up reel so that said film take-up reel and said film storage drum are rotatable with respect to each other and that said film evaluation device is stationarily mounted on said film storage drum.
Claim 2
Dependent Claim
62 words
A film magazine comprising a film supply real, a film take-up reel, a film evaluation device located between said reels, and a film storage drum supporting said film take-up reel so that said film take-up reel and said film storage drum are rotatable with respect to each other and that said film evaluation device is stationarily mounted on said film storage drum.
Claim 3
Dependent Claim
22 words
A film magazine according to claim 1, wherein said film take-up reel is concentrically arranged with respect to said film storage drum.
Claim 4
Dependent Claim
51 words
A film magazine according to claim 2, wherein said film storage drum includes guide rolls mounted on a rotatable disc and defining a polygon with the film being wrapped around said guide rolls, whereat the inner film layer is guided from one of said guide rolls to said film take-up reel.
Claim 5
Dependent Claim
14 words
A film magazine according to claim 3, wherein said guide rolls are radially movable.
Claim 6
Dependent Claim
21 words
A film magazine according to claim 3, wherein said film evaluating device is mounted on said disc inside of the polygon.
Claim 7
Dependent Claim
32 words
A film magazine according to claim 5, wherein said film evaluating device includes a camera adjacent to a light source with the film being guided between the light source and the camera.
Claim 8
Dependent Claim
14 words
A film magazine according to claim 6, wherein said camera is a Vidicon camera.
Claim 9
Dependent Claim
14 words
A film magazine according to claim 6, wherein said camera is a CCD camera.
Claim 10
Dependent Claim
29 words
A film magazine according to claim 1 wherein between said film supply reel and said film storage drum a film recording device and a film processing device are provided.
References Cited (Backward Citations)
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Cited
US3769457A
Cited
US4038493A
Cited
US4319280A
Cited
US4310856A
Cited
US4452523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-20 | 1992-03-21 | 1992-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-20 | 1996-03-21 | 1996-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-20 | 2000-03-21 | 2000-09-20 | $7700.00 | Window Closed / Lapsed |