AU508389B2 - Transmitting facsimile picture signals - Google Patents
Transmitting facsimile picture signalsInfo
- Publication number
- AU508389B2 AU508389B2 AU24173/77A AU2417377A AU508389B2 AU 508389 B2 AU508389 B2 AU 508389B2 AU 24173/77 A AU24173/77 A AU 24173/77A AU 2417377 A AU2417377 A AU 2417377A AU 508389 B2 AU508389 B2 AU 508389B2
- Authority
- AU
- Australia
- Prior art keywords
- picture signals
- transmitting facsimile
- facsimile picture
- transmitting
- signals
- 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.)
- 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
-
- 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
- H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEDE2615486 | 1976-04-09 | ||
DE19762615486 DE2615486C2 (en) | 1976-04-09 | 1976-04-09 | Method and arrangement for the transmission of facsimile image signals |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2417377A AU2417377A (en) | 1978-10-19 |
AU508389B2 true AU508389B2 (en) | 1980-03-20 |
Family
ID=5974924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU24173/77A Expired AU508389B2 (en) | 1976-04-09 | 1977-04-12 | Transmitting facsimile picture signals |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS52123819A (en) |
AU (1) | AU508389B2 (en) |
CA (1) | CA1114493A (en) |
DE (1) | DE2615486C2 (en) |
FR (1) | FR2347843A1 (en) |
GB (1) | GB1539858A (en) |
NL (1) | NL7703685A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3232370C2 (en) * | 1982-08-31 | 1984-10-25 | Siemens AG, 1000 Berlin und 8000 München | Method for operating an image copier and image copier for carrying out this method |
GB2208059B (en) * | 1987-08-11 | 1991-09-25 | Apple Computer | Video compression algorithm |
US5033105A (en) * | 1987-08-11 | 1991-07-16 | Apple Computer | Video compression algorithm |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3585504A (en) * | 1968-10-07 | 1971-06-15 | British Telecommunications Res | Electrical signalling system |
US3700797A (en) * | 1969-12-31 | 1972-10-24 | Electronic Image Systems Corp | Facsimile noise deletion and coding system |
JPS5242607B2 (en) * | 1973-04-12 | 1977-10-25 | ||
DE2440768C3 (en) * | 1974-08-26 | 1982-03-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Method and apparatus for data compression for the facsimile transmission of graphic information |
DE2450073A1 (en) * | 1974-10-22 | 1976-05-06 | Licentia Gmbh | Predistortion circuit for video signal coding - supplied from facsimile image scanner and its clock pulse source |
-
1976
- 1976-04-09 DE DE19762615486 patent/DE2615486C2/en not_active Expired
-
1977
- 1977-03-28 CA CA274,945A patent/CA1114493A/en not_active Expired
- 1977-04-05 NL NL7703685A patent/NL7703685A/en not_active Application Discontinuation
- 1977-04-06 JP JP3860077A patent/JPS52123819A/en active Pending
- 1977-04-06 GB GB1455677A patent/GB1539858A/en not_active Expired
- 1977-04-07 FR FR7710606A patent/FR2347843A1/en active Granted
- 1977-04-12 AU AU24173/77A patent/AU508389B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1114493A (en) | 1981-12-15 |
AU2417377A (en) | 1978-10-19 |
JPS52123819A (en) | 1977-10-18 |
GB1539858A (en) | 1979-02-07 |
FR2347843B1 (en) | 1982-06-18 |
DE2615486C2 (en) | 1983-12-08 |
NL7703685A (en) | 1977-10-11 |
FR2347843A1 (en) | 1977-11-04 |
DE2615486A1 (en) | 1977-10-20 |
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