JPH02115450U - - Google Patents
Info
- Publication number
- JPH02115450U JPH02115450U JP2446389U JP2446389U JPH02115450U JP H02115450 U JPH02115450 U JP H02115450U JP 2446389 U JP2446389 U JP 2446389U JP 2446389 U JP2446389 U JP 2446389U JP H02115450 U JPH02115450 U JP H02115450U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting element
- circuit
- light emitting
- optical printer
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Description
第1図は、この考案の一実施例に係る光プリン
タのLED駆動回路の構成を説明するブロツク図
、第2図a及び第2図bは、同光プリンタのLE
D駆動回路の駆動ICの構成を説明するブロツク
図、第3図は、同光プリンタのLED駆動回路の
動作を説明するタイムチヤート、第4図aは、同
光プリンタのLED駆動回路の補正データの一例
を示すタイムチヤート、第4図bは、同光プリン
タのLED駆動回路の通電時間の補正を説明する
タイムチヤート、第5図は、従来の光プリンタの
LED駆動回路を説明するブロツク図である。
3−1,3−2:駆動IC、4:CPU、L1
……L64:LED、CDATA0……CDAT
A3:補正データ。
FIG. 1 is a block diagram illustrating the configuration of an LED drive circuit of an optical printer according to an embodiment of the invention, and FIGS.
A block diagram explaining the configuration of the drive IC of the D drive circuit, FIG. 3 is a time chart explaining the operation of the LED drive circuit of the optical printer, and FIG. 4a shows correction data of the LED drive circuit of the optical printer. FIG. 4B is a time chart illustrating an example of the correction of the energization time of the LED drive circuit of the same optical printer, and FIG. 5 is a block diagram illustrating the LED drive circuit of a conventional optical printer. be. 3-1 , 3-2 : Drive IC, 4: CPU, L 1
... L64 : LED, CDATA0...CDAT
A3: Correction data.
Claims (1)
発光素子に、入力データに応じた信号を供給する
発光素子選択回路とを備えた光プリンタの発光素
子駆動回路において、 前記各発光素子の補正データを記憶する記憶回
路と、この記憶回路に記憶されている補正データ
に基づき、前記発光素子選択回路から対応する発
光素子への信号を補正する補正回路とを備えてな
ることを特徴とする光プリンタの発光素子駆動回
路。[Claims for Utility Model Registration] A light-emitting element drive circuit for an optical printer, comprising a head in which a plurality of light-emitting elements are arranged in a row, and a light-emitting element selection circuit that supplies signals according to input data to the light-emitting elements. , comprising: a storage circuit that stores correction data for each of the light emitting elements; and a correction circuit that corrects a signal sent from the light emitting element selection circuit to the corresponding light emitting element based on the correction data stored in the storage circuit. A light emitting element drive circuit for an optical printer, characterized in that:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989024463U JPH0723266Y2 (en) | 1989-03-03 | 1989-03-03 | Light emitting element drive circuit for optical printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989024463U JPH0723266Y2 (en) | 1989-03-03 | 1989-03-03 | Light emitting element drive circuit for optical printer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02115450U true JPH02115450U (en) | 1990-09-14 |
JPH0723266Y2 JPH0723266Y2 (en) | 1995-05-31 |
Family
ID=31244331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989024463U Expired - Lifetime JPH0723266Y2 (en) | 1989-03-03 | 1989-03-03 | Light emitting element drive circuit for optical printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0723266Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011148501A (en) * | 2010-01-19 | 2011-08-04 | Asahi Kasei Home Products Kk | Microwave cooking bag |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS606471A (en) * | 1983-06-24 | 1985-01-14 | Canon Inc | Printer head driving apparatus |
JPS6026854U (en) * | 1983-08-01 | 1985-02-23 | 沖電気工業株式会社 | optical print head |
JPS60254873A (en) * | 1984-05-31 | 1985-12-16 | Hitachi Ltd | Image recording device using light emitting element |
-
1989
- 1989-03-03 JP JP1989024463U patent/JPH0723266Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS606471A (en) * | 1983-06-24 | 1985-01-14 | Canon Inc | Printer head driving apparatus |
JPS6026854U (en) * | 1983-08-01 | 1985-02-23 | 沖電気工業株式会社 | optical print head |
JPS60254873A (en) * | 1984-05-31 | 1985-12-16 | Hitachi Ltd | Image recording device using light emitting element |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011148501A (en) * | 2010-01-19 | 2011-08-04 | Asahi Kasei Home Products Kk | Microwave cooking bag |
Also Published As
Publication number | Publication date |
---|---|
JPH0723266Y2 (en) | 1995-05-31 |
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