BE814304A - Dispositif de codage binaire - Google Patents
Dispositif de codage binaireInfo
- Publication number
- BE814304A BE814304A BE1005912A BE1005912A BE814304A BE 814304 A BE814304 A BE 814304A BE 1005912 A BE1005912 A BE 1005912A BE 1005912 A BE1005912 A BE 1005912A BE 814304 A BE814304 A BE 814304A
- Authority
- BE
- Belgium
- Prior art keywords
- coding device
- binary coding
- binary
- coding
- 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
- H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7317087A FR2245132B1 (fr) | 1973-05-11 | 1973-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE814304A true BE814304A (fr) | 1974-10-29 |
Family
ID=9119176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1005912A BE814304A (fr) | 1973-05-11 | 1974-04-29 | Dispositif de codage binaire |
Country Status (10)
Country | Link |
---|---|
US (1) | US3891793A (fr) |
BE (1) | BE814304A (fr) |
DE (1) | DE2420991C2 (fr) |
FR (1) | FR2245132B1 (fr) |
GB (1) | GB1414449A (fr) |
IE (1) | IE39238B1 (fr) |
IT (1) | IT1017593B (fr) |
LU (1) | LU69995A1 (fr) |
NL (1) | NL185187C (fr) |
SE (1) | SE394930B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4353096A (en) * | 1978-10-05 | 1982-10-05 | Nippon Electric Co., Ltd. | Digital facsimile system to band-compress half-tone picture signals |
EP0087284A1 (fr) * | 1982-02-19 | 1983-08-31 | THE GENERAL ELECTRIC COMPANY, p.l.c. | Systèmes d'emmagasinage et de transmission d'image |
FR2606232B1 (fr) * | 1986-10-31 | 1988-12-02 | Neiman Sa | Procede de codage evolutif de haute securite et dispositif de mise en oeuvre de ce procede |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1809357B1 (de) * | 1968-11-16 | 1970-08-27 | Fernseh Gmbh | Verfahren und Schaltungsanordnung zur UEbertragung und Speicherung von Fernsehsignalen |
DE2017431A1 (de) * | 1970-04-11 | 1971-11-04 | Bosch Elektronik Gmbh | Verfahren zur elektrischen Übertragung von Bildvorlagen |
DE2017432A1 (de) * | 1970-04-11 | 1971-10-28 | Bosch Elektronik Gmbh | Verfahren zur elektrischen Übertragung von Bildvorlagen mit schwarzen, weißen und grauen Helligkeitswerten |
DE2020639A1 (de) * | 1970-04-28 | 1971-11-18 | Bosch Elektronik Gmbh | Verfahren zur elektrischen UEbertragung von Bildvorlagen |
-
1973
- 1973-05-11 FR FR7317087A patent/FR2245132B1/fr not_active Expired
-
1974
- 1974-04-29 BE BE1005912A patent/BE814304A/fr not_active IP Right Cessation
- 1974-04-29 IE IE898/74A patent/IE39238B1/xx unknown
- 1974-04-30 DE DE2420991A patent/DE2420991C2/de not_active Expired
- 1974-05-06 LU LU69995A patent/LU69995A1/xx unknown
- 1974-05-09 SE SE7406193A patent/SE394930B/xx not_active IP Right Cessation
- 1974-05-10 US US468980A patent/US3891793A/en not_active Expired - Lifetime
- 1974-05-10 IT IT22547/74A patent/IT1017593B/it active
- 1974-05-10 GB GB2073774A patent/GB1414449A/en not_active Expired
- 1974-05-13 NL NLAANVRAGE7406416,A patent/NL185187C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE394930B (sv) | 1977-07-18 |
IE39238L (en) | 1974-11-11 |
NL185187B (nl) | 1989-09-01 |
DE2420991C2 (de) | 1982-09-09 |
US3891793A (en) | 1975-06-24 |
FR2245132A1 (fr) | 1975-04-18 |
GB1414449A (en) | 1975-11-19 |
IE39238B1 (en) | 1978-08-30 |
FR2245132B1 (fr) | 1976-05-07 |
IT1017593B (it) | 1977-08-10 |
DE2420991A1 (de) | 1974-11-28 |
LU69995A1 (fr) | 1974-11-28 |
NL7406416A (fr) | 1974-11-13 |
NL185187C (nl) | 1990-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT Effective date: 19870430 |