JPH0357038U - - Google Patents
Info
- Publication number
- JPH0357038U JPH0357038U JP11845589U JP11845589U JPH0357038U JP H0357038 U JPH0357038 U JP H0357038U JP 11845589 U JP11845589 U JP 11845589U JP 11845589 U JP11845589 U JP 11845589U JP H0357038 U JPH0357038 U JP H0357038U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- lens array
- printer head
- led
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案によるＬＥＤ式プリンタヘツド
の一実施例を示す概略図、第２図はプリント基板
上へのＬＥＤチツプアレイの実装を示す概略断面
図である。第３図は従来のＬＥＤ式プリンタヘツ
ドを示す概略図である。
１０…ＬＥＤ式プリンタヘツド、１１…プリン
ト基板、１２…ＬＥＤチツプアレイ、１２ａ…Ｌ
ＥＤチツプ、１３…レンズアレイ、１４…ハウジ
ング、１４ａ…内面、１４ｂ，１４ｃ…側面、１
５…治具。
FIG. 1 is a schematic view showing an embodiment of an LED type printer head according to the present invention, and FIG. 2 is a schematic cross-sectional view showing mounting of an LED chip array on a printed circuit board. FIG. 3 is a schematic diagram showing a conventional LED type printer head. 10...LED printer head, 11...printed circuit board, 12...LED chip array, 12a...L
ED chip, 13... Lens array, 14... Housing, 14a... Inner surface, 14b, 14c... Side surface, 1
5...Jig.
Claims (1)
て一列にならんで実装されたＬＥＤチツプから成
るＬＥＤチツプアレイと、該ＬＥＤチツプアレイ
の上方にて所定間隔をおいて光軸が一致するよう
にそれぞれ配置された個々の屈折率分布型レンズ
から成るレンズアレイとを含んでいて、該プリン
ト基板及びレンズアレイが一つのハウジングに取
り付けられているＬＥＤ式プリンタヘツドにおい
て、 上記ハウジングが、装着状態にて上記プリント
基板の縁部が当接すべき基準面と、レンズアレイ
の側縁が当接すべき基準面とを備えていることを
特徴とする、ＬＥＤ式プリンタヘツド。[Claims for Utility Model Registration] An LED chip array consisting of LED chips mounted in a line along the length of a long printed circuit board; and a lens array consisting of individual gradient index lenses arranged so that their axes coincide with each other, and the printed circuit board and the lens array are attached to one housing, wherein the housing An LED printer head comprising a reference surface against which an edge of the printed circuit board is brought into contact when the printer head is mounted, and a reference surface against which a side edge of the lens array is brought into contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11845589U JPH0357038U (en) | 1989-10-09 | 1989-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11845589U JPH0357038U (en) | 1989-10-09 | 1989-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0357038U true JPH0357038U (en) | 1991-05-31 |
Family
ID=31666619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11845589U Pending JPH0357038U (en) | 1989-10-09 | 1989-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013131509A (en) * | 2011-12-20 | 2013-07-04 | Ricoh Co Ltd | Method for manufacturing optical unit, optical unit, optical scanner and image forming apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61189965A (en) * | 1985-02-19 | 1986-08-23 | Oki Electric Ind Co Ltd | Optical printing head |
-
1989
- 1989-10-09 JP JP11845589U patent/JPH0357038U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61189965A (en) * | 1985-02-19 | 1986-08-23 | Oki Electric Ind Co Ltd | Optical printing head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013131509A (en) * | 2011-12-20 | 2013-07-04 | Ricoh Co Ltd | Method for manufacturing optical unit, optical unit, optical scanner and image forming apparatus |
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