JPH0326141B2 - - Google Patents
Info
- Publication number
- JPH0326141B2 JPH0326141B2 JP55076797A JP7679780A JPH0326141B2 JP H0326141 B2 JPH0326141 B2 JP H0326141B2 JP 55076797 A JP55076797 A JP 55076797A JP 7679780 A JP7679780 A JP 7679780A JP H0326141 B2 JPH0326141 B2 JP H0326141B2
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- gradation
- pixel
- heating
- image recording
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 40
- 238000007639 printing Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004040 coloring Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000007651 thermal printing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- H04N1/40—Picture signal circuits
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dot-Matrix Printers And Others (AREA)
- Electronic Switches (AREA)
- Color, Gradation (AREA)
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7679780A JPS572775A (en) | 1980-06-06 | 1980-06-06 | Recording system for gradation image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7679780A JPS572775A (en) | 1980-06-06 | 1980-06-06 | Recording system for gradation image |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS572775A JPS572775A (en) | 1982-01-08 |
JPH0326141B2 true JPH0326141B2 (fr) | 1991-04-09 |
Family
ID=13615628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7679780A Granted JPS572775A (en) | 1980-06-06 | 1980-06-06 | Recording system for gradation image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS572775A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59226566A (ja) * | 1983-06-08 | 1984-12-19 | Nippon Telegr & Teleph Corp <Ntt> | 画像処理装置 |
US4691211A (en) * | 1986-03-24 | 1987-09-01 | Eastman Kodak Company | Thermal printer |
JPS62272666A (ja) * | 1986-05-20 | 1987-11-26 | Sanyo Electric Co Ltd | 印写装置の細線強調方法及び細線強調回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5473650A (en) * | 1977-11-25 | 1979-06-13 | Keisatsuchiyou Chokan | Gradation recording method |
-
1980
- 1980-06-06 JP JP7679780A patent/JPS572775A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5473650A (en) * | 1977-11-25 | 1979-06-13 | Keisatsuchiyou Chokan | Gradation recording method |
Also Published As
Publication number | Publication date |
---|---|
JPS572775A (en) | 1982-01-08 |
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