JPS53139422A - Multi-gradation recording device - Google Patents
Multi-gradation recording deviceInfo
- Publication number
- JPS53139422A JPS53139422A JP5491177A JP5491177A JPS53139422A JP S53139422 A JPS53139422 A JP S53139422A JP 5491177 A JP5491177 A JP 5491177A JP 5491177 A JP5491177 A JP 5491177A JP S53139422 A JPS53139422 A JP S53139422A
- Authority
- JP
- Japan
- Prior art keywords
- recording device
- gradation recording
- securing
- gradation
- timer
- 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
Landscapes
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Abstract
PURPOSE: To ensure a high-speed multi-gradation recording with a sufficient gradation property and through a simple constitution, by securing a data transfer when the output of the pulse duration modulation circuit is applied and securing a timer when the memorized signal is applied to the picture element reproducing element respectively.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52054911A JPS5821978B2 (en) | 1977-05-12 | 1977-05-12 | Multi-gradation recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52054911A JPS5821978B2 (en) | 1977-05-12 | 1977-05-12 | Multi-gradation recording device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53139422A true JPS53139422A (en) | 1978-12-05 |
JPS5821978B2 JPS5821978B2 (en) | 1983-05-06 |
Family
ID=12983774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52054911A Expired JPS5821978B2 (en) | 1977-05-12 | 1977-05-12 | Multi-gradation recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821978B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677236U (en) * | 1979-11-20 | 1981-06-23 | ||
JPS5762667A (en) * | 1980-10-03 | 1982-04-15 | Nec Corp | Tonal range recording system |
JPS57123766A (en) * | 1981-01-23 | 1982-08-02 | Ricoh Co Ltd | Density gradation processing system of digital facsimile |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4984515A (en) * | 1972-12-20 | 1974-08-14 | ||
JPS502409A (en) * | 1973-05-08 | 1975-01-11 |
-
1977
- 1977-05-12 JP JP52054911A patent/JPS5821978B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4984515A (en) * | 1972-12-20 | 1974-08-14 | ||
JPS502409A (en) * | 1973-05-08 | 1975-01-11 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677236U (en) * | 1979-11-20 | 1981-06-23 | ||
JPS5762667A (en) * | 1980-10-03 | 1982-04-15 | Nec Corp | Tonal range recording system |
JPS57123766A (en) * | 1981-01-23 | 1982-08-02 | Ricoh Co Ltd | Density gradation processing system of digital facsimile |
JPS6149873B2 (en) * | 1981-01-23 | 1986-10-31 | Ricoh Kk |
Also Published As
Publication number | Publication date |
---|---|
JPS5821978B2 (en) | 1983-05-06 |
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