File:Wyckoff HDR Curve.tif
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| Description |
English: Exposure Density Curve for High Dynamic Range Film |
| Date | |
| Source | U.S.Patent 3,450,536, Silver Halide Film Having Increased Exposure-Response Characteristics |
| Author | Charles W. Wyckhoff, Inventor |
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The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:48, 9 June 2012 |  | 1,076 × 811 (59 KB) | SteveMcCluskey (talk | contribs) | Cropped out Patent Information |
| 04:44, 9 June 2012 |  | 1,833 × 1,260 (108 KB) | SteveMcCluskey (talk | contribs) |
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