FR2339304B1 - - Google Patents
Info
- Publication number
- FR2339304B1 FR2339304B1 FR7701513A FR7701513A FR2339304B1 FR 2339304 B1 FR2339304 B1 FR 2339304B1 FR 7701513 A FR7701513 A FR 7701513A FR 7701513 A FR7701513 A FR 7701513A FR 2339304 B1 FR2339304 B1 FR 2339304B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP687676A JPS5290216A (en) | 1976-01-24 | 1976-01-24 | Picture signal band compressing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2339304A1 FR2339304A1 (fr) | 1977-08-19 |
| FR2339304B1 true FR2339304B1 (enExample) | 1981-08-21 |
Family
ID=11650416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7701513A Granted FR2339304A1 (fr) | 1976-01-24 | 1977-01-20 | Systeme de reduction de largeur de bande d'un signal d'image |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5290216A (enExample) |
| DE (1) | DE2702746C3 (enExample) |
| FR (1) | FR2339304A1 (enExample) |
| GB (1) | GB1570914A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1128645A (en) * | 1978-07-31 | 1982-07-27 | Yasuhiro Yamazaki | Transmission method and system for facsimile signal |
| CA1128646A (en) * | 1978-11-22 | 1982-07-27 | Yasuhiro Yamazaki | Coding method for facsimile signal |
| JPS59178077A (ja) * | 1983-03-28 | 1984-10-09 | Dainippon Screen Mfg Co Ltd | 2値画像のデ−タ圧縮方法 |
| DE4028927A1 (de) * | 1990-08-07 | 1992-02-13 | Dirr Josef | Verfahren fuer die codierung und uebertragung von information, insbesondere von vorlagen und bildern und fuer das fernsehen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1409365A (en) * | 1972-02-17 | 1975-10-08 | Dacom Inc | Dual-line data compression method and system for compressing transmitting and reproducing facsimile data |
| JPS4968612A (enExample) * | 1972-11-04 | 1974-07-03 | ||
| JPS5016420A (enExample) * | 1973-06-08 | 1975-02-21 |
-
1976
- 1976-01-24 JP JP687676A patent/JPS5290216A/ja active Pending
-
1977
- 1977-01-20 FR FR7701513A patent/FR2339304A1/fr active Granted
- 1977-01-24 GB GB280177A patent/GB1570914A/en not_active Expired
- 1977-01-24 DE DE19772702746 patent/DE2702746C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2702746A1 (de) | 1977-08-04 |
| GB1570914A (en) | 1980-07-09 |
| DE2702746C3 (de) | 1981-11-12 |
| JPS5290216A (en) | 1977-07-29 |
| FR2339304A1 (fr) | 1977-08-19 |
| DE2702746B2 (enExample) | 1981-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |