DE266795C - - Google Patents
Info
- Publication number
- DE266795C DE266795C DENDAT266795D DE266795DA DE266795C DE 266795 C DE266795 C DE 266795C DE NDAT266795 D DENDAT266795 D DE NDAT266795D DE 266795D A DE266795D A DE 266795DA DE 266795 C DE266795 C DE 266795C
- Authority
- DE
- Germany
- Prior art keywords
- drum
- brightness
- commutator
- brightness values
- list
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 5
- 238000007619 statistical method Methods 0.000 description 2
- 229920001800 Shellac Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE266795C true DE266795C (https=) |
Family
ID=523905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT266795D Active DE266795C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE266795C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1455523A1 (en) * | 2003-02-28 | 2004-09-08 | Hewlett-Packard Development Company, L.P. | Scanning device calibration system and method |
-
0
- DE DENDAT266795D patent/DE266795C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1455523A1 (en) * | 2003-02-28 | 2004-09-08 | Hewlett-Packard Development Company, L.P. | Scanning device calibration system and method |
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