JPS6117190B2 - - Google Patents
Info
- Publication number
- JPS6117190B2 JPS6117190B2 JP3407381A JP3407381A JPS6117190B2 JP S6117190 B2 JPS6117190 B2 JP S6117190B2 JP 3407381 A JP3407381 A JP 3407381A JP 3407381 A JP3407381 A JP 3407381A JP S6117190 B2 JPS6117190 B2 JP S6117190B2
- Authority
- JP
- Japan
- Prior art keywords
- document
- buffer memory
- document reading
- speed
- capacity
- 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
- 230000015654 memory Effects 0.000 claims description 54
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000012886 linear function Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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
- H04N1/419—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)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3407381A JPS57148467A (en) | 1981-03-09 | 1981-03-09 | Original reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3407381A JPS57148467A (en) | 1981-03-09 | 1981-03-09 | Original reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57148467A JPS57148467A (en) | 1982-09-13 |
JPS6117190B2 true JPS6117190B2 (enrdf_load_stackoverflow) | 1986-05-06 |
Family
ID=12404080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3407381A Granted JPS57148467A (en) | 1981-03-09 | 1981-03-09 | Original reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57148467A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0736602B2 (ja) * | 1985-04-15 | 1995-04-19 | 株式会社リコー | 画情報読取装置 |
JP2759657B2 (ja) * | 1988-08-18 | 1998-05-28 | 株式会社リコー | ファクシミリ装置の受信制御方式 |
JPH03157052A (ja) * | 1989-11-15 | 1991-07-05 | Ricoh Co Ltd | 原稿読取装置 |
JPH05191599A (ja) * | 1991-07-31 | 1993-07-30 | Canon Inc | ファクシミリ装置およびファクシミリ送信方法 |
DE69331115T2 (de) * | 1992-06-22 | 2002-03-14 | Fujitsu Ltd., Kawasaki | Verfahren und Vorrichtung zum Lesen von Bildern eines Bildabtasters |
JPH06350814A (ja) * | 1993-06-04 | 1994-12-22 | Brother Ind Ltd | ファクシミリ装置 |
-
1981
- 1981-03-09 JP JP3407381A patent/JPS57148467A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57148467A (en) | 1982-09-13 |
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