JPH0454856U - - Google Patents
Info
- Publication number
- JPH0454856U JPH0454856U JP1990098257U JP9825790U JPH0454856U JP H0454856 U JPH0454856 U JP H0454856U JP 1990098257 U JP1990098257 U JP 1990098257U JP 9825790 U JP9825790 U JP 9825790U JP H0454856 U JPH0454856 U JP H0454856U
- Authority
- JP
- Japan
- Prior art keywords
- straight line
- print head
- led
- arrangement pitch
- led arrays
- 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
- 238000003491 array Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Facsimile Heads (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は、本考案のＬＥＤプリントヘツドの斜
視図、第２図は、本考案のＬＥＤプリントヘツド
の要部の拡大平面図、第３図は、本考案による印
字動作の説明図、第４図は、ＬＥＤプリンタの概
略構成図、第５図は、従来のＬＥＤプリントヘツ
ドの斜視図、第６図は、従来のＬＥＤプリントヘ
ツドの要部の拡大平面図である。
１１……ＬＥＤ駆動回路、１２，２２……ＬＥ
Ｄアレイ、１４……感光ドラム、１９……発光部
。
FIG. 1 is a perspective view of the LED print head of the present invention, FIG. 2 is an enlarged plan view of the main parts of the LED print head of the present invention, FIG. 3 is an explanatory diagram of the printing operation according to the present invention, and FIG. 5 is a schematic diagram of an LED printer, FIG. 5 is a perspective view of a conventional LED print head, and FIG. 6 is an enlarged plan view of essential parts of a conventional LED print head. 11...LED drive circuit, 12, 22...LE
D array, 14... photosensitive drum, 19... light emitting section.
Claims (1)
部をそれぞれ有する複数のＬＥＤアレイを備え、
前記複数のＬＥＤアレイをそれぞれ主走査方向の
第２の直線に沿つて配列したＬＥＤプリントヘツ
ドにおいて、 前記複数のＬＥＤアレイの各々を前記第１の直
線が前記第２の直線に対して所定の角度θをなす
ように配設し、 前記複数の発光部の配列ピツチを前記所定の角
度θに基づいて設定したことを特徴とするＬＥＤ
プリントヘツド。 (2) 印字ドツトピツチをＰ１、前記配列ピツチ
をＰ２とするとき、 Ｐ２＝Ｐ１／ｃｏｓθ なる式を満足するように前記配列ピツチＰ２を設
定することを特徴とする請求項１記載のＬＥＤプ
リントヘツド。[Claims for Utility Model Registration] (1) A plurality of LED arrays each having a plurality of light emitting parts arranged along a first straight line;
In an LED print head in which each of the plurality of LED arrays is arranged along a second straight line in the main scanning direction, each of the plurality of LED arrays is arranged at a predetermined angle between the first straight line and the second straight line. θ, and the arrangement pitch of the plurality of light emitting parts is set based on the predetermined angle θ.
print head. (2) When the printing dot pitch is P 1 and the arrangement pitch is P 2 , the arrangement pitch P 2 is set so as to satisfy the following formula: P 2 =P 1 /cosθ. LED print head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990098257U JPH0454856U (en) | 1990-09-19 | 1990-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990098257U JPH0454856U (en) | 1990-09-19 | 1990-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454856U true JPH0454856U (en) | 1992-05-11 |
Family
ID=31839285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990098257U Pending JPH0454856U (en) | 1990-09-19 | 1990-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454856U (en) |
-
1990
- 1990-09-19 JP JP1990098257U patent/JPH0454856U/ja active Pending
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