IT956258B - Metodo e dispositivo fotografico per ottenere copie a stampa a mez zi toni - Google Patents
Metodo e dispositivo fotografico per ottenere copie a stampa a mez zi toniInfo
- Publication number
- IT956258B IT956258B IT2391172A IT2391172A IT956258B IT 956258 B IT956258 B IT 956258B IT 2391172 A IT2391172 A IT 2391172A IT 2391172 A IT2391172 A IT 2391172A IT 956258 B IT956258 B IT 956258B
- Authority
- IT
- Italy
- Prior art keywords
- photographic device
- print copies
- tone print
- obtaining half
- obtaining
- Prior art date
Links
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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308071 | 1971-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT956258B true IT956258B (it) | 1973-10-10 |
Family
ID=10016449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2391172A IT956258B (it) | 1971-05-04 | 1972-05-04 | Metodo e dispositivo fotografico per ottenere copie a stampa a mez zi toni |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE783030A (de) |
DE (1) | DE2221901A1 (de) |
IT (1) | IT956258B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55146582A (en) | 1979-04-27 | 1980-11-14 | Matsushita Electric Ind Co Ltd | Image recording method |
US4920501A (en) * | 1988-10-19 | 1990-04-24 | Eastman Kodak Company | Digital halftoning with minimum visual modulation patterns |
DE4025793A1 (de) * | 1990-08-13 | 1992-02-20 | Siemens Ag | Verfahren zum drucken eines halbtonbildes |
-
1972
- 1972-05-04 BE BE783030A patent/BE783030A/xx unknown
- 1972-05-04 IT IT2391172A patent/IT956258B/it active
- 1972-05-04 DE DE19722221901 patent/DE2221901A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
BE783030A (de) | 1972-09-01 |
DE2221901A1 (de) | 1972-12-07 |
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