JPH0221588B2 - - Google Patents
Info
- Publication number
- JPH0221588B2 JPH0221588B2 JP19319481A JP19319481A JPH0221588B2 JP H0221588 B2 JPH0221588 B2 JP H0221588B2 JP 19319481 A JP19319481 A JP 19319481A JP 19319481 A JP19319481 A JP 19319481A JP H0221588 B2 JPH0221588 B2 JP H0221588B2
- Authority
- JP
- Japan
- Prior art keywords
- document
- size
- detection
- platen cover
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 description 58
- 230000003287 optical effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/60—Apparatus which relate to the handling of originals
- G03G15/605—Holders for originals or exposure platens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19319481A JPS5895367A (ja) | 1981-11-30 | 1981-11-30 | 複写機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19319481A JPS5895367A (ja) | 1981-11-30 | 1981-11-30 | 複写機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5895367A JPS5895367A (ja) | 1983-06-06 |
JPH0221588B2 true JPH0221588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-05-15 |
Family
ID=16303864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19319481A Granted JPS5895367A (ja) | 1981-11-30 | 1981-11-30 | 複写機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5895367A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH073554B2 (ja) * | 1985-07-02 | 1995-01-18 | 松下電器産業株式会社 | 複写機原稿サイズ検知装置 |
JPH0812383B2 (ja) * | 1985-07-02 | 1996-02-07 | 松下電器産業株式会社 | 複写機原稿サイズ検知装置 |
JPH0782203B2 (ja) * | 1985-07-02 | 1995-09-06 | 松下電器産業株式会社 | 複写機原稿サイズ検知装置 |
JPS62124547A (ja) * | 1985-11-26 | 1987-06-05 | Matsushita Electric Ind Co Ltd | 複写機原稿サイズ検知装置 |
JPH068971B2 (ja) * | 1986-03-06 | 1994-02-02 | シャープ株式会社 | 原稿検知機能を有する複写機 |
US5016049A (en) * | 1988-06-03 | 1991-05-14 | Minolta Camera Kabushiki Kaisha | Document detecting device for an image forming apparatus |
JPH03138633A (ja) * | 1989-10-25 | 1991-06-13 | Mita Ind Co Ltd | 画像形成装置 |
-
1981
- 1981-11-30 JP JP19319481A patent/JPS5895367A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5895367A (ja) | 1983-06-06 |