JPS63118052U - - Google Patents
Info
- Publication number
- JPS63118052U JPS63118052U JP803287U JP803287U JPS63118052U JP S63118052 U JPS63118052 U JP S63118052U JP 803287 U JP803287 U JP 803287U JP 803287 U JP803287 U JP 803287U JP S63118052 U JPS63118052 U JP S63118052U
- Authority
- JP
- Japan
- Prior art keywords
- light
- liquid crystal
- light source
- receiving element
- optical writing
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims 2
- 238000012840 feeding operation Methods 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 230000005856 abnormality Effects 0.000 description 1
Landscapes
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Liquid Crystal (AREA)
Description
第１図は、本考案の液晶プリンターに適用され
る調光回路、第２図は、液晶プリンターの実施例
、第３図、第４図は、光源の異常を検知するフロ
ーチヤートである。
３……液晶ヘツド、３ａ……光源、３ｂ……液
晶シヤツター、３ｄ……受光素子、１３……増幅
器、１４……調光回路、１５……コンパレータ、
１８……ＣＰＵ。
FIG. 1 shows a light control circuit applied to the liquid crystal printer of the present invention, FIG. 2 shows an embodiment of the liquid crystal printer, and FIGS. 3 and 4 are flowcharts for detecting an abnormality in a light source. 3...Liquid crystal head, 3a...Light source, 3b...Liquid crystal shutter, 3d...Light receiving element, 13...Amplifier, 14...Dimmer circuit, 15...Comparator,
18...CPU.
Claims (1)
を備え、該光源の光を液晶シヤツターにより変調
し、該変調光により感光体上に光書込みを行う液
晶プリンターにおいて、前記光書込み動作に先立
ち前記光源を点灯させる点灯回路を設け、該点灯
回路の動作時における前記受光素子の出力が所定
値以下のとき用紙給送動作を禁止することを特徴
とする液晶プリンター。 In a liquid crystal printer that includes a light source that is feedback-controlled by a light-receiving element, modulates the light from the light source with a liquid crystal shutter, and performs optical writing on a photoreceptor using the modulated light, the light source is turned on prior to the optical writing operation. 1. A liquid crystal printer, comprising: a circuit that inhibits paper feeding operation when the output of the light receiving element is below a predetermined value when the lighting circuit is in operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP803287U JPS63118052U (en) | 1987-01-22 | 1987-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP803287U JPS63118052U (en) | 1987-01-22 | 1987-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118052U true JPS63118052U (en) | 1988-07-30 |
Family
ID=30792043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP803287U Pending JPS63118052U (en) | 1987-01-22 | 1987-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118052U (en) |
-
1987
- 1987-01-22 JP JP803287U patent/JPS63118052U/ja active Pending
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