JPS5968340U - Printing density control device for diazo copying machine - Google Patents
Printing density control device for diazo copying machineInfo
- Publication number
- JPS5968340U JPS5968340U JP16309882U JP16309882U JPS5968340U JP S5968340 U JPS5968340 U JP S5968340U JP 16309882 U JP16309882 U JP 16309882U JP 16309882 U JP16309882 U JP 16309882U JP S5968340 U JPS5968340 U JP S5968340U
- Authority
- JP
- Japan
- Prior art keywords
- light
- copying machine
- control device
- diazo copying
- density control
- 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
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 title claims 4
- 238000001514 detection method Methods 0.000 claims description 10
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control Of Exposure In Printing And Copying (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を説明するための図、第２図は本考案の
実施例を説明するための回路ブロック図、第３図は第２
図の一部分の具体回路例を示す図である。
１５・・・・・・検知用光源、１６．３８・・・・・・
ホトセンサ、３６・・・・・・導光手段（光ファイバー
）、４２・・・・・・原稿光透過度検知手段（第１の検
知手段）、４４・・・・・・光源光量検知回路（第２の
検知手段）。Fig. 1 is a diagram for explaining the present invention, Fig. 2 is a circuit block diagram for explaining an embodiment of the present invention, and Fig. 3 is a diagram for explaining the embodiment of the present invention.
FIG. 2 is a diagram illustrating a specific circuit example of a portion of the diagram. 15...Detection light source, 16.38...
Photosensor, 36...Light guide means (optical fiber), 42...Document light transmittance detection means (first detection means), 44...Light source light amount detection circuit (first 2 detection means).
Claims (2)
感光紙め搬送速度を制御するジアゾ複写機において、原
稿の光透過度を検知するための検知用光源と、該検知用
光源からの光を利用して原稿の光透過度に対応する信号
を出力する第１検知手段と、露光用光源からの光を導く
導光手段と、該導光手段を介して上記露光用光源の光量
に対応する信号を出力する第２の検知手段と、上記第１
及び第２の検知手段の出力信号に基づいて上記搬送速度
を制御することを特徴とするジアゾ複写機の焼付濃度制
御装置。(1) In a diazo copying machine that detects the light transmittance of an original and automatically controls the transport speed of the original and photosensitive paper, a detection light source for detecting the light transmittance of the original and a light source for detecting the original are used. a first detection means for outputting a signal corresponding to the light transmittance of the document using the light; a light guide means for guiding light from the exposure light source; and a light guide means for guiding the light from the exposure light source through the light guide means. a second detection means for outputting a signal corresponding to the first detection means;
and a printing density control device for a diazo copying machine, characterized in that the conveyance speed is controlled based on the output signal of the second detection means.
録請求の範囲第１項に記載のジアゾ複写機の焼付濃度制
御装置。(2) The printing density control device for a diazo copying machine according to claim 1, wherein the light guiding means is an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16309882U JPS5968340U (en) | 1982-10-29 | 1982-10-29 | Printing density control device for diazo copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16309882U JPS5968340U (en) | 1982-10-29 | 1982-10-29 | Printing density control device for diazo copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5968340U true JPS5968340U (en) | 1984-05-09 |
Family
ID=30357964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16309882U Pending JPS5968340U (en) | 1982-10-29 | 1982-10-29 | Printing density control device for diazo copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5968340U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56132361A (en) * | 1980-03-21 | 1981-10-16 | Ricoh Co Ltd | Exposure stabilizing device |
| JPS56159637A (en) * | 1980-05-15 | 1981-12-09 | Ricoh Co Ltd | Method and device for detecting original transparency of copying machine |
| JPS56161527A (en) * | 1980-05-15 | 1981-12-11 | Ricoh Co Ltd | Measuring device for transmittance of original in copying machine |
| JPS5723907A (en) * | 1980-07-21 | 1982-02-08 | Ricoh Co Ltd | Optical device using optical fiber and adjustable in quantity of light |
-
1982
- 1982-10-29 JP JP16309882U patent/JPS5968340U/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56132361A (en) * | 1980-03-21 | 1981-10-16 | Ricoh Co Ltd | Exposure stabilizing device |
| JPS56159637A (en) * | 1980-05-15 | 1981-12-09 | Ricoh Co Ltd | Method and device for detecting original transparency of copying machine |
| JPS56161527A (en) * | 1980-05-15 | 1981-12-11 | Ricoh Co Ltd | Measuring device for transmittance of original in copying machine |
| JPS5723907A (en) * | 1980-07-21 | 1982-02-08 | Ricoh Co Ltd | Optical device using optical fiber and adjustable in quantity of light |
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