JPH01156946U - - Google Patents
Info
- Publication number
- JPH01156946U JPH01156946U JP5213488U JP5213488U JPH01156946U JP H01156946 U JPH01156946 U JP H01156946U JP 5213488 U JP5213488 U JP 5213488U JP 5213488 U JP5213488 U JP 5213488U JP H01156946 U JPH01156946 U JP H01156946U
- Authority
- JP
- Japan
- Prior art keywords
- printer head
- adjusted
- light emitting
- head according
- light
- 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
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Description
第１図は組立て途中のＬＥＤプリンタヘツドの
部分上面図、第２図は第１図のＡ部分の拡大図で
ありＬＥＤアレイチツプ接続部を示す。
図中、１はセラミツク配線基板、２はＬＥＤア
レイチツプ、ａはチツプ接続部発光点間距離、ｂ
はチツプ内発光点間距離、３，４は発光点を示す
。
FIG. 1 is a partial top view of the LED printer head during assembly, and FIG. 2 is an enlarged view of portion A in FIG. 1, showing the LED array chip connection portion. In the figure, 1 is the ceramic wiring board, 2 is the LED array chip, a is the distance between the light emitting points at the chip connection, and b
indicates the distance between the light emitting points within the chip, and 3 and 4 indicate the light emitting points.
Claims (1)
、各ＬＥＤアレイチツプの互いに隣り合う端部に
在る発光点の光量をそれ以外の部分の発光点の光
量と異ならせ、印字面での濃度を均一化したＬＥ
Ｄプリンタヘツド。 ２ 発光点の光量調整を行い、そのデータをメモ
リに記憶させた請求項１記載のＬＥＤプリンタヘ
ツド。 ３ 光量調整を電流調整により行つた請求項１又
は２記載のＬＥＤプリンタヘツド。 ４ 光量調整を通電時間調整により行つた請求項
１又は２記載のＬＥＤプリンタヘツド。[Claims for Utility Model Registration] 1 A plurality of LED array chips are arranged in a line, and the light intensity of the light emitting points located at the mutually adjacent ends of each LED array chip is made different from the light intensity of the light emitting points in other parts, LE with uniform density on the printing surface
D printer head. 2. The LED printer head according to claim 1, wherein the light intensity of the light emitting point is adjusted and the data is stored in the memory. 3. The LED printer head according to claim 1 or 2, wherein the light amount is adjusted by current adjustment. 4. The LED printer head according to claim 1 or 2, wherein the light amount is adjusted by adjusting the energization time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5213488U JPH01156946U (en) | 1988-04-20 | 1988-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5213488U JPH01156946U (en) | 1988-04-20 | 1988-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01156946U true JPH01156946U (en) | 1989-10-30 |
Family
ID=31278142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5213488U Pending JPH01156946U (en) | 1988-04-20 | 1988-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01156946U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230064A (en) * | 1985-06-29 | 1987-02-09 | Oki Electric Ind Co Ltd | Light-emitting element array head |
-
1988
- 1988-04-20 JP JP5213488U patent/JPH01156946U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230064A (en) * | 1985-06-29 | 1987-02-09 | Oki Electric Ind Co Ltd | Light-emitting element array head |