JPH047146U - - Google Patents
Info
- Publication number
- JPH047146U JPH047146U JP4689190U JP4689190U JPH047146U JP H047146 U JPH047146 U JP H047146U JP 4689190 U JP4689190 U JP 4689190U JP 4689190 U JP4689190 U JP 4689190U JP H047146 U JPH047146 U JP H047146U
- Authority
- JP
- Japan
- Prior art keywords
- case
- rear plate
- printer head
- circuit board
- printed circuit
- 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
- 230000017525 heat dissipation Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
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断面図、第２図は本考案に
よるＬＥＤ式プリンタヘツドの他の実施例を示す
概略断面図である。第３図は従来のＬＥＤ式プリ
ンタヘツドの一例を示し、Ａは概略断面図、Ｂは
概略正面図である。
１０……ＬＥＤ式プリンタヘツド、１１……プ
リント基板、１２……ＬＥＤアレイ、１３……レ
ンズアレイ、１４……ケース、１４ａ……リアプ
レート、１４ｄ……穴、１４ｅ……突出部、１５
……ヒートシンク、１６……ピン、１７……外部
基板。
FIG. 1 is a schematic sectional view showing one embodiment of the LED type printer head according to the present invention, and FIG. 2 is a schematic sectional view showing another embodiment of the LED type printer head according to the present invention. FIG. 3 shows an example of a conventional LED printer head, in which A is a schematic sectional view and B is a schematic front view. 10... LED printer head, 11... Printed circuit board, 12... LED array, 13... Lens array, 14... Case, 14a... Rear plate, 14d... Hole, 14e... Projection, 15
...Heat sink, 16...Pin, 17...External board.
Claims (1)
一列にならんで実装されたＬＥＤアレイと、該Ｌ
ＥＤ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設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
、上記プリント基板がケースのリアプレート内面
に取り付けられることにより、該ケース内に収容
されていると共に、該リアプレートの外面に長手
方向に延びるフインを備えた放熱用のヒートシン
クが取り付けられている、ＬＥＤ式プリンタヘツ
ドにおいて、 上記ヒートシンクが、ケースのリアプレートに
対して一体に形成され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 array mounted on a printed circuit board in a line along the longitudinal direction of the case;
The lens array includes individual gradient index lenses arranged above the ED array at predetermined intervals so that their optical axes coincide, and the printed circuit board is mounted on the inner surface of the rear plate of the case. In the LED printer head, which is housed in the case and has a heat sink for heat dissipation having longitudinally extending fins attached to the outer surface of the rear plate, the heat sink is attached to the case. It is characterized by being formed integrally with the rear plate of
LED printer head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4689190U JPH047146U (en) | 1990-05-07 | 1990-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4689190U JPH047146U (en) | 1990-05-07 | 1990-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH047146U true JPH047146U (en) | 1992-01-22 |
Family
ID=31562356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4689190U Pending JPH047146U (en) | 1990-05-07 | 1990-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047146U (en) |
-
1990
- 1990-05-07 JP JP4689190U patent/JPH047146U/ja active Pending
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