JPS57148467A - Original reader - Google Patents
Original readerInfo
- Publication number
- JPS57148467A JPS57148467A JP3407381A JP3407381A JPS57148467A JP S57148467 A JPS57148467 A JP S57148467A JP 3407381 A JP3407381 A JP 3407381A JP 3407381 A JP3407381 A JP 3407381A JP S57148467 A JPS57148467 A JP S57148467A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- capacity
- original
- buffer memory
- speed
- 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.)
- Granted
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
- H04N1/419—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 true JPS57148467A (en) | 1982-09-13 |
JPS6117190B2 JPS6117190B2 (ja) | 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 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61237564A (ja) * | 1985-04-15 | 1986-10-22 | Ricoh Co Ltd | 画情報読取装置 |
US5119210A (en) * | 1988-08-18 | 1992-06-02 | Ricoh Company, Ltd. | Facsimile machine having error correction mode |
US5225914A (en) * | 1989-11-15 | 1993-07-06 | Ricoh Company, Ltd. | Image reading apparatus |
EP0576226A3 (ja) * | 1992-06-22 | 1994-02-16 | Fujitsu Ltd | |
US5457544A (en) * | 1991-07-31 | 1995-10-10 | Canon Kabushiki Kaisha | Facsimile device with memory control means for storing image data to be transmitted and image data received |
US5508820A (en) * | 1993-06-04 | 1996-04-16 | Brother Kogyuo Kabushiki Kaisha | Facsimile machine including a device for selectively changing the recording speed |
-
1981
- 1981-03-09 JP JP3407381A patent/JPS57148467A/ja active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61237564A (ja) * | 1985-04-15 | 1986-10-22 | Ricoh Co Ltd | 画情報読取装置 |
US5119210A (en) * | 1988-08-18 | 1992-06-02 | Ricoh Company, Ltd. | Facsimile machine having error correction mode |
US5225914A (en) * | 1989-11-15 | 1993-07-06 | Ricoh Company, Ltd. | Image reading apparatus |
US5457544A (en) * | 1991-07-31 | 1995-10-10 | Canon Kabushiki Kaisha | Facsimile device with memory control means for storing image data to be transmitted and image data received |
EP0765072A3 (ja) * | 1991-07-31 | 1997-04-16 | Canon Kk | |
US5801839A (en) * | 1991-07-31 | 1998-09-01 | Canon Kabushiki Kaisha | Facsimile apparatus having means for controlling the reading, storing and transmission of image data |
EP0576226A3 (ja) * | 1992-06-22 | 1994-02-16 | Fujitsu Ltd | |
US5517331A (en) * | 1992-06-22 | 1996-05-14 | Fujitsu Limited | Method and apparatus for reading image of image scanner-reader |
US5508820A (en) * | 1993-06-04 | 1996-04-16 | Brother Kogyuo Kabushiki Kaisha | Facsimile machine including a device for selectively changing the recording speed |
Also Published As
Publication number | Publication date |
---|---|
JPS6117190B2 (ja) | 1986-05-06 |
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