JPS6219671U - - Google Patents
Info
- Publication number
- JPS6219671U JPS6219671U JP11051685U JP11051685U JPS6219671U JP S6219671 U JPS6219671 U JP S6219671U JP 11051685 U JP11051685 U JP 11051685U JP 11051685 U JP11051685 U JP 11051685U JP S6219671 U JPS6219671 U JP S6219671U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- transfer paper
- detection device
- color sensor
- wrapped around
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 108091008695 photoreceptors Proteins 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の転写紙検知装置の一実施例を
示す電気ブロツク図、第２図は従来の電子写真複
写機等に用いる光検知装置の概略配置図、第３図
は、本考案に用いるカラーセンサーの検出波長と
出力電圧との関係の特性を表した図、第４図Ａは
同、カラーセンサーからのアナログ出力電圧を示
す図、第４図Ｂは同、コンパレータ回路からのデ
ジタル出力電圧を示す波形図である。
図中１……感光体ドラム、５……転写器、６…
…剥離爪、７……クリーナー、１０……投光部、
１１……受光部、１２……光検知装置、１３……
カラーセンサー、１４……増幅回路、１５……コ
ンパレータ回路。
Fig. 1 is an electrical block diagram showing one embodiment of the transfer paper detection device of the present invention, Fig. 2 is a schematic layout diagram of a photodetection device used in a conventional electrophotographic copying machine, etc., and Fig. 3 is an electrical block diagram showing an embodiment of the transfer paper detection device of the present invention. Figure 4A is a diagram showing the relationship between the detection wavelength and output voltage of the color sensor used. Figure 4A is a diagram showing the analog output voltage from the color sensor. Figure 4B is the same, and the digital output from the comparator circuit. FIG. 3 is a waveform diagram showing voltage. In the figure, 1...photosensitive drum, 5...transfer device, 6...
...Peeling claw, 7...Cleaner, 10...Light projection part,
11... Light receiving section, 12... Light detection device, 13...
Color sensor, 14... amplifier circuit, 15... comparator circuit.
Claims (1)
部とによつて当該感光体ドラムの表面に転写工程
終了後、剥離ミスにより巻着しようとする転写紙
の有無を検知するようにした光検知装置において
、前記受光部に、対波長感度が夫々異なる複数個
の受光素子で構成したカラーセンサーを使用し、
該カラーセンサーによつて前記波長の異なる感光
体ドラムと、該感光体ドラムの表面に剥離ミスに
より巻着しようとする転写紙とを識別するように
したことを特徴とする電子写真複写機等の転写紙
検知装置。 A light emitting part and a light receiving part arranged around one outer circumference of the photoreceptor drum detect the presence or absence of transfer paper that is about to be wrapped around the surface of the photoreceptor drum due to a peeling error after the transfer process is completed. In the detection device, a color sensor composed of a plurality of light receiving elements each having a different wavelength sensitivity is used in the light receiving part,
An electrophotographic copying machine, etc., characterized in that the color sensor identifies the photosensitive drums having different wavelengths and the transfer paper that is about to be wrapped around the surface of the photosensitive drum due to a peeling error. Transfer paper detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11051685U JPS6219671U (en) | 1985-07-19 | 1985-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11051685U JPS6219671U (en) | 1985-07-19 | 1985-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6219671U true JPS6219671U (en) | 1987-02-05 |
Family
ID=30989587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11051685U Pending JPS6219671U (en) | 1985-07-19 | 1985-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6219671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315494A (en) * | 1987-06-15 | 1988-12-23 | 株式会社竹中工務店 | Hanger |
-
1985
- 1985-07-19 JP JP11051685U patent/JPS6219671U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315494A (en) * | 1987-06-15 | 1988-12-23 | 株式会社竹中工務店 | Hanger |
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