JPS6366231U - - Google Patents
Info
- Publication number
- JPS6366231U JPS6366231U JP16014186U JP16014186U JPS6366231U JP S6366231 U JPS6366231 U JP S6366231U JP 16014186 U JP16014186 U JP 16014186U JP 16014186 U JP16014186 U JP 16014186U JP S6366231 U JPS6366231 U JP S6366231U
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- input density
- density information
- determining
- control means
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案に係る多階調感熱記録装置の
一実施例を示すブロツク図、第２図は実施例にお
ける画素の構成例を示す説明図、第３図ａないし
ｉは実施例のパターン決定手段で決定される印字
ドツトパターンの具体例を示す説明図、第４図は
各印字ドツトパターンに対する印字エネルギと記
録濃度との関係を示すグラフ図、第５図は印字す
べき画素の入力濃度情報の一例を示す説明図、第
６図ａないしｃは第５図の入力濃度情報に対する
実施例に係る多階調感熱記録装置の作動を示す説
明図、第７図は従来の多階調感熱記録装置におい
て得られる印字エネルギとドツトの大きさとの関
係を示すグラフ図、第８図は従来の多階調感熱記
録装置のサーマルヘツドの発熱体構造の一例を示
す説明図である。
〔符号の説明〕、Ｄ……ドツト、Ｇ……画素、
１０……サーマルヘツド、１１……発熱体、２０
……階調制御手段、２１……パターン決定手段、
２２……エネルギ決定手段、３０……ヘツド駆動
手段。
FIG. 1 is a block diagram showing an embodiment of a multi-gradation thermosensitive recording device according to the invention, FIG. 2 is an explanatory diagram showing an example of pixel configuration in the embodiment, and FIGS. 3 a to 3 are patterns of the embodiment. An explanatory diagram showing a specific example of the printing dot pattern determined by the determining means, Fig. 4 is a graph showing the relationship between printing energy and recording density for each printing dot pattern, and Fig. 5 shows the input density of the pixel to be printed. An explanatory diagram showing an example of information, FIGS. 6a to 6c are explanatory diagrams showing the operation of the multi-gradation thermosensitive recording device according to the embodiment with respect to the input density information of FIG. 5, and FIG. FIG. 8 is a graph showing the relationship between printing energy obtained in a recording device and dot size, and is an explanatory diagram showing an example of a heating element structure of a thermal head of a conventional multi-tone thermosensitive recording device. [Explanation of symbols], D...dot, G...pixel,
10... thermal head, 11... heating element, 20
... Gradation control means, 21 ... Pattern determining means,
22...Energy determining means, 30...Head driving means.
Claims (1)
れてなるサーマルヘツドと、複数のドツトマトリ
クスで各画素を構成すると共に入力濃度情報に応
じて各画素の濃度表現形式を決定する階調制御手
段と、この階調制御手段からの制御情報に応じて
上記サーマルヘツドの各発熱体を駆動するヘツド
駆動手段とを備えた多階調感熱記録装置であつて
、上記階調制御手段は、入力濃度情報に応じて各
画素内の印字ドツトパターンを決定するパターン
決定手段と、入力濃度情報に応じて各画素内のド
ツトに対する印字エネルギを一義的に決定するエ
ネルギ決定手段とで構成されていることを特徴と
する多階調感熱記録装置。 A thermal head in which a large number of heating elements are arranged according to the recording dot density, and a gradation control means that configures each pixel with a plurality of dot matrices and determines the density expression format of each pixel in accordance with input density information. and head driving means for driving each heating element of the thermal head according to control information from the gradation control means, the gradation control means controlling input density information. The image forming apparatus is characterized by comprising a pattern determining means for determining a printing dot pattern in each pixel according to the input density information, and an energy determining means for uniquely determining the printing energy for the dots in each pixel according to the input density information. A multi-gradation thermal recording device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16014186U JPS6366231U (en) | 1986-10-21 | 1986-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16014186U JPS6366231U (en) | 1986-10-21 | 1986-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6366231U true JPS6366231U (en) | 1988-05-02 |
Family
ID=31085244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16014186U Pending JPS6366231U (en) | 1986-10-21 | 1986-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6366231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0245174A (en) * | 1988-08-04 | 1990-02-15 | Fujitsu Ltd | Line printer |
-
1986
- 1986-10-21 JP JP16014186U patent/JPS6366231U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0245174A (en) * | 1988-08-04 | 1990-02-15 | Fujitsu Ltd | Line printer |
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