JPS6091440U - optical print head - Google Patents
optical print headInfo
- Publication number
- JPS6091440U JPS6091440U JP18225383U JP18225383U JPS6091440U JP S6091440 U JPS6091440 U JP S6091440U JP 18225383 U JP18225383 U JP 18225383U JP 18225383 U JP18225383 U JP 18225383U JP S6091440 U JPS6091440 U JP S6091440U
- Authority
- JP
- Japan
- Prior art keywords
- print head
- optical print
- light emitting
- emitting element
- current
- 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
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (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、第2図は、光プリントヘッドの光書き込み原理
の概念図そあり、第1図は、光プリンタの斜視図、第2
図は平面図である。また、第3図は従来の光プリンタに
よる印字例、第4図a、第4図すはそれぞれ光量と印字
濃度、光量と線幅との関係を示す図であり、第5図は本
考案の第1の実施例の回路構成図、第6図は本考案を施
した光プリンータによる印字例、第7図は、本考案の第
2の実施例の回路構成図である。
1・・・LEDアレイ、2・・・集束性ロッドレンズア
レイ、3・・・感光体、4・・・LEDの仮想投影像、
5・・・アドレスカウンタ、6・・・シリアルパラレル
変換器、7・・・画素メモリ、8・・・電流増幅器、9
・・・トリミング抵抗、10・・・デコーダ回路、11
・・・セレクトスイッチ、12・・・メモリ、13・・
・アドレスカウンタ、14・・・AND回路。Figures 1 and 2 are conceptual diagrams of the optical writing principle of an optical print head; Figure 1 is a perspective view of an optical printer;
The figure is a plan view. Furthermore, Fig. 3 shows an example of printing by a conventional optical printer, Figs. FIG. 6 is a circuit diagram of the first embodiment, FIG. 6 is an example of printing by the optical printer according to the present invention, and FIG. 7 is a circuit diagram of the second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... LED array, 2... Focusing rod lens array, 3... Photoreceptor, 4... Virtual projected image of LED,
5...Address counter, 6...Serial-to-parallel converter, 7...Pixel memory, 8...Current amplifier, 9
...Trimming resistor, 10...Decoder circuit, 11
...Select switch, 12...Memory, 13...
・Address counter, 14...AND circuit.
Claims (1)
イの複数が一直線状に配置され、且つ各発光素子に電流
を与える手段を有する光プリントヘッドにおいて、前記
電流を与える手段が前記LEDアレイのつなぎ目に相当
する発光素子に対して電流値及び電流供給時間長の少な
くとも一方を可変的に設定するものであることを特徴と
した光プリントヘッド。In an optical print head having a plurality of LED arrays in which a plurality of light emitting elements are arranged in a straight line and having means for applying current to each light emitting element, the means for applying current is located at a joint between the LED arrays. An optical print head characterized in that at least one of a current value and a current supply time length is variably set for a light emitting element corresponding to the above.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18225383U JPS6091440U (en) | 1983-11-28 | 1983-11-28 | optical print head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18225383U JPS6091440U (en) | 1983-11-28 | 1983-11-28 | optical print head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6091440U true JPS6091440U (en) | 1985-06-22 |
JPH0120126Y2 JPH0120126Y2 (en) | 1989-06-13 |
Family
ID=30394738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18225383U Granted JPS6091440U (en) | 1983-11-28 | 1983-11-28 | optical print head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6091440U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008177513A (en) * | 2006-02-20 | 2008-07-31 | Kyocera Corp | Light emitting element array, light emitting device and image forming apparatus |
US8494415B2 (en) | 2006-02-20 | 2013-07-23 | Kyocera Corporation | Light emitting element array, light emitting device, and image forming apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5751096B2 (en) * | 2011-08-31 | 2015-07-22 | ブラザー工業株式会社 | Image forming apparatus |
-
1983
- 1983-11-28 JP JP18225383U patent/JPS6091440U/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008177513A (en) * | 2006-02-20 | 2008-07-31 | Kyocera Corp | Light emitting element array, light emitting device and image forming apparatus |
US8494415B2 (en) | 2006-02-20 | 2013-07-23 | Kyocera Corporation | Light emitting element array, light emitting device, and image forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0120126Y2 (en) | 1989-06-13 |
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