BE747350A - Systeme de communication code - Google Patents
Systeme de communication codeInfo
- Publication number
- BE747350A BE747350A BE747350DA BE747350A BE 747350 A BE747350 A BE 747350A BE 747350D A BE747350D A BE 747350DA BE 747350 A BE747350 A BE 747350A
- Authority
- BE
- Belgium
- Prior art keywords
- communication system
- code communication
- code
- communication
- 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
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80681069A | 1969-03-13 | 1969-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE747350A true BE747350A (fr) | 1970-08-17 |
Family
ID=25194896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE747350D BE747350A (fr) | 1969-03-13 | 1970-03-13 | Systeme de communication code |
Country Status (7)
Country | Link |
---|---|
US (1) | US3646257A (fr) |
BE (1) | BE747350A (fr) |
CA (1) | CA922635A (fr) |
DE (1) | DE2011801A1 (fr) |
FR (1) | FR2034901A7 (fr) |
GB (1) | GB1292682A (fr) |
NL (1) | NL7003185A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843817A (fr) * | 1971-10-07 | 1973-06-25 | ||
US3781847A (en) * | 1971-11-12 | 1973-12-25 | Den Bosch F Van | Selective information retrieval systems |
US4034406A (en) * | 1971-11-29 | 1977-07-05 | Matsushita Electric Industrial Co., Ltd. | Facsimile signal transmission system |
US3751582A (en) * | 1971-12-08 | 1973-08-07 | Addressograph Multigraph | Stored program facsimile control system |
JPS539888B2 (fr) * | 1973-11-01 | 1978-04-10 | ||
US3935379A (en) * | 1974-05-09 | 1976-01-27 | General Dynamics Corporation | Method of and system for adaptive run length encoding of image representing digital information |
DE2516332A1 (de) * | 1975-04-15 | 1976-10-28 | Siemens Ag | Verfahren zur codierung von elektrischen signalen, die bei der abtastung eines graphischen musters mit aus text und bild gemischtem inhalt gewonnen werden |
JPS5819185B2 (ja) * | 1976-10-29 | 1983-04-16 | 沖電気工業株式会社 | 情報圧縮フアクシミリ装置 |
JPS5564445A (en) * | 1978-11-08 | 1980-05-15 | Nec Corp | Code converter circuit |
DE3250064C2 (de) * | 1981-04-27 | 1993-10-21 | Canon Kk | Tintenstrahl-Aufzeichnungsgerät |
US4725815A (en) * | 1984-01-16 | 1988-02-16 | International Business Machines Corporation | Method for encoding and decoding a digital image |
EP0149124B1 (fr) * | 1984-01-16 | 1990-10-31 | International Business Machines Corporation | Procédé de codage et de décodage d'une image numérique |
US4899394A (en) * | 1986-05-09 | 1990-02-06 | Prodigy Systems Corporation | Apparatus and method for image compression |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978535A (en) * | 1960-01-28 | 1961-04-04 | Bell Telephone Labor Inc | Optimal run length coding of image signals |
US3204026A (en) * | 1962-04-30 | 1965-08-31 | William J Casey | Narrow bandwidth scanning system |
US3189873A (en) * | 1962-08-09 | 1965-06-15 | Control Data Corp | Scanning pattern normalizer |
US3347981A (en) * | 1964-03-18 | 1967-10-17 | Polaroid Corp | Method for transmitting digital data in connection with document reproduction system |
US3510576A (en) * | 1966-10-03 | 1970-05-05 | Xerox Corp | Data sampler circuit for determining information run lengths |
US3459888A (en) * | 1968-01-02 | 1969-08-05 | Xerox Corp | Selective photocopier |
-
1969
- 1969-03-13 US US806810A patent/US3646257A/en not_active Expired - Lifetime
-
1970
- 1970-02-24 CA CA075740A patent/CA922635A/en not_active Expired
- 1970-03-05 GB GB00743/70A patent/GB1292682A/en not_active Expired
- 1970-03-05 NL NL7003185A patent/NL7003185A/xx unknown
- 1970-03-12 FR FR7008963A patent/FR2034901A7/fr not_active Expired
- 1970-03-12 DE DE19702011801 patent/DE2011801A1/de active Pending
- 1970-03-13 BE BE747350D patent/BE747350A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR2034901A7 (fr) | 1970-12-18 |
US3646257A (en) | 1972-02-29 |
NL7003185A (fr) | 1970-09-15 |
CA922635A (en) | 1973-03-13 |
DE2011801A1 (de) | 1970-10-08 |
GB1292682A (en) | 1972-10-11 |
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