JPS6283640U - - Google Patents
Info
- Publication number
- JPS6283640U JPS6283640U JP17425085U JP17425085U JPS6283640U JP S6283640 U JPS6283640 U JP S6283640U JP 17425085 U JP17425085 U JP 17425085U JP 17425085 U JP17425085 U JP 17425085U JP S6283640 U JPS6283640 U JP S6283640U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- array
- circuit
- voltage setting
- print head
- 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)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は、本考案によるＬＥＤアレイの駆動ブ
ロツク図、第２図ａ，ｂ，ｃは、本考案による電
圧設定回路の例を示す回路図、第３図は、本考案
による供給電圧制御回路の例を示す回路図、第４
図は、本考案の一実施例のＬＥＤアレイプリント
ヘツドの斜視図、第５図は、従来のＩＥＤアレイ
プリントヘツドの斜視図、第６図は、従来のＬＥ
Ｄアレイプリントヘツドの駆動回路ＩＣブロツク
図。
１１……ＬＥＤアレイ、１２……駆動回路ＩＣ
、１３……セラミツクベース、１５……駆動回路
ＩＣ、１６……６４ビツトシフトレジスタ、１７
……６４ビツトラツチ、１８……６４ビツトＬＥ
Ｄドライバ、１９……供給電圧制御回路、２０…
…電圧設定回路。
Fig. 1 is a driving block diagram of an LED array according to the present invention, Fig. 2 a, b, and c are circuit diagrams showing an example of a voltage setting circuit according to the present invention, and Fig. 3 is a supply voltage control circuit according to the present invention. Circuit diagram showing an example of
5 is a perspective view of an LED array print head according to an embodiment of the present invention, FIG. 5 is a perspective view of a conventional IED array print head, and FIG. 6 is a perspective view of a conventional IED array print head.
FIG. 3 is an IC block diagram of a drive circuit for a D-array print head. 11...LED array, 12...Drive circuit IC
, 13... Ceramic base, 15... Drive circuit IC, 16... 64-bit shift register, 17
...64-bit Latch, 18...64-bit LE
D driver, 19... Supply voltage control circuit, 20...
...Voltage setting circuit.
Claims (1)
を電気的にオンオフ駆動制御する駆動回路ＩＣ群
を備えた発光ダイオードアレイヘツドにおいて、 駆動回路ＩＣ内には、供給電圧制御回路を備え
、 発光素子アレイ対応もしくは駆動回路ＩＣ対応
に電圧設定回路を備え、 この電圧設定回路出力により前記供給電圧制御
回路を制御し、発光ダイオードアレイの駆動電力
を調整することを特徴とするＬＥＤアレイプリン
トヘツド。 ２ 電圧設定回路に可変抵抗器を使用したことを
特徴とする、実用新案登録請求の範囲第１項記載
のＬＥＤアレイプリントヘツド。 ３ 電圧設定回路にツエナーダイオード又はダイ
オードの少なくとも一方を使用したことを特徴と
する実用新案登録請求の範囲第１項記載のＬＥＤ
アレイプリントヘツド。[Claims for Utility Model Registration] 1. In a light emitting diode array head equipped with a plurality of light emitting element arrays and a group of drive circuit ICs that electrically control on/off driving of the light emitting element arrays, the drive circuit ICs include supply voltage control. An LED comprising a voltage setting circuit corresponding to a light emitting element array or a driving circuit IC, and controlling the supply voltage control circuit by the output of the voltage setting circuit to adjust the driving power of the light emitting diode array. Array print head. 2. The LED array print head according to claim 1, characterized in that a variable resistor is used in the voltage setting circuit. 3. The LED according to claim 1 of the utility model registration claim, characterized in that at least one of a Zener diode and a diode is used in the voltage setting circuit.
Array print head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17425085U JPS6283640U (en) | 1985-11-14 | 1985-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17425085U JPS6283640U (en) | 1985-11-14 | 1985-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6283640U true JPS6283640U (en) | 1987-05-28 |
Family
ID=31112455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17425085U Pending JPS6283640U (en) | 1985-11-14 | 1985-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6283640U (en) |
-
1985
- 1985-11-14 JP JP17425085U patent/JPS6283640U/ja active Pending
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