JPS5920755U - Halftone recording device - Google Patents
Halftone recording deviceInfo
- Publication number
- JPS5920755U JPS5920755U JP11415782U JP11415782U JPS5920755U JP S5920755 U JPS5920755 U JP S5920755U JP 11415782 U JP11415782 U JP 11415782U JP 11415782 U JP11415782 U JP 11415782U JP S5920755 U JPS5920755 U JP S5920755U
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- positional relationship
- halftone
- recording device
- determining
- 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
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Color, Gradation (AREA)
- Fax Reproducing Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は１画素を４ドツトで表わす中間調記録装置にお
ける各階調のドツト構成を表わした各種ドツト構成図、
第２図は従来の中間調記録装置における黒の画素と中間
の灰色の画素とが隣り合った場合を表わした印字部分拡
大図、第３区は本考案の中間調記録装置における同様の
場合の一例を表わした印字部分拡大図、第４図は本考案
の一実施例における中間調記録装置の要部を表わしたブ
ロック図、第５図は補正前のドツトパターンを表わした
パターン構成図、第６図は中間の灰色についての各種の
ドツト構成を表わした各種ドツト構成図、第７図は第５
図に示したドツトパターンを本実施例の装置で補正した
結果を表わすパターン構成図である。゛
１・・・・・・コードパターンメモリ、３・・・・・・
コードデータ、６・・・・・・ドツトパターンメモリ、
７・・−上下補正部、８・・・・・・横補正部、９・・
・・・・斜め補正部、４５・・・・・・ドツトパターン
信号。
第４閃
第５閉FIG. 1 is a diagram of various dot configurations showing the dot configuration of each gradation in a halftone recording device in which one pixel is represented by four dots.
FIG. 2 is an enlarged view of a printed part showing a case where a black pixel and an intermediate gray pixel are adjacent to each other in a conventional halftone recording device, and the third section shows a similar case in a halftone recording device of the present invention. 4 is a block diagram showing the main parts of a halftone recording device in an embodiment of the present invention; FIG. 5 is a pattern configuration diagram showing a dot pattern before correction; FIG. Figure 6 is a dot configuration diagram showing various dot configurations for intermediate gray, and Figure 7 is a diagram showing various dot configurations for intermediate gray.
FIG. 3 is a pattern configuration diagram showing the result of correcting the dot pattern shown in the figure using the apparatus of this embodiment.゛1...Code pattern memory, 3...
Code data, 6...dot pattern memory,
7... - vertical correction section, 8... horizontal correction section, 9...
. . . Oblique correction section, 45 . . . Dot pattern signal. 4th flash 5th close
Claims (1)
調に応じて１画素内の印字するドツトの比率を変化させ
て中間調を再現する装置において、黒の画素に隣接して
所定の中間調を表わした画素が存在するときこれを検出
する手段と、この中間調を表わした画素に対する黒の画
素の位置関係を判別する位置関係判別手段と、判別され
た位置関係を基にして黒の画素の側にその中間調の画素
における印字するドツトが片寄るようにドツト配置を変
更させるドツト配置変更手段とを具備することを特徴と
する中間調記録装置。In a device that reproduces halftones by making each pixel correspond to a plurality of dots and changing the ratio of printed dots within one pixel according to the gradation, a predetermined halftone is printed adjacent to a black pixel. a means for detecting when a pixel representing the intermediate tone exists; a positional relationship determining means for determining the positional relationship of the black pixel with respect to the pixel representing the intermediate tone; and a means for determining the positional relationship of the black pixel based on the determined positional relationship. 1. A halftone recording device comprising: dot arrangement changing means for changing the dot arrangement so that printed dots in pixels of the halftone are shifted to one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11415782U JPS5920755U (en) | 1982-07-29 | 1982-07-29 | Halftone recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11415782U JPS5920755U (en) | 1982-07-29 | 1982-07-29 | Halftone recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920755U true JPS5920755U (en) | 1984-02-08 |
Family
ID=30263991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11415782U Pending JPS5920755U (en) | 1982-07-29 | 1982-07-29 | Halftone recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920755U (en) |
-
1982
- 1982-07-29 JP JP11415782U patent/JPS5920755U/en active Pending
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