JPH0438311Y2 - - Google Patents
Info
- Publication number
- JPH0438311Y2 JPH0438311Y2 JP1988132438U JP13243888U JPH0438311Y2 JP H0438311 Y2 JPH0438311 Y2 JP H0438311Y2 JP 1988132438 U JP1988132438 U JP 1988132438U JP 13243888 U JP13243888 U JP 13243888U JP H0438311 Y2 JPH0438311 Y2 JP H0438311Y2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- light
- light receiving
- detected
- detection
- 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 claims description 25
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988132438U JPH0438311Y2 (ru) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988132438U JPH0438311Y2 (ru) | 1988-10-11 | 1988-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0252182U JPH0252182U (ru) | 1990-04-13 |
JPH0438311Y2 true JPH0438311Y2 (ru) | 1992-09-08 |
Family
ID=31389399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988132438U Expired JPH0438311Y2 (ru) | 1988-10-11 | 1988-10-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0438311Y2 (ru) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5578267A (en) * | 1978-12-08 | 1980-06-12 | Matsushita Electric Works Ltd | Reflection type photo electric switch |
-
1988
- 1988-10-11 JP JP1988132438U patent/JPH0438311Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5578267A (en) * | 1978-12-08 | 1980-06-12 | Matsushita Electric Works Ltd | Reflection type photo electric switch |
Also Published As
Publication number | Publication date |
---|---|
JPH0252182U (ru) | 1990-04-13 |
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