JPH0411321Y2 - - Google Patents
Info
- Publication number
- JPH0411321Y2 JPH0411321Y2 JP1987051175U JP5117587U JPH0411321Y2 JP H0411321 Y2 JPH0411321 Y2 JP H0411321Y2 JP 1987051175 U JP1987051175 U JP 1987051175U JP 5117587 U JP5117587 U JP 5117587U JP H0411321 Y2 JPH0411321 Y2 JP H0411321Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiving
- area
- section
- receiving area
- 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
- 230000003287 optical effect Effects 0.000 claims description 30
- 238000001514 detection method Methods 0.000 description 26
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 230000002238 attenuated effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987051175U JPH0411321Y2 (US06724976-20040420-M00002.png) | 1987-04-03 | 1987-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987051175U JPH0411321Y2 (US06724976-20040420-M00002.png) | 1987-04-03 | 1987-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63159246U JPS63159246U (US06724976-20040420-M00002.png) | 1988-10-18 |
| JPH0411321Y2 true JPH0411321Y2 (US06724976-20040420-M00002.png) | 1992-03-19 |
Family
ID=30875193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987051175U Expired JPH0411321Y2 (US06724976-20040420-M00002.png) | 1987-04-03 | 1987-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411321Y2 (US06724976-20040420-M00002.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331407U (US06724976-20040420-M00002.png) * | 1976-08-24 | 1978-03-17 |
-
1987
- 1987-04-03 JP JP1987051175U patent/JPH0411321Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331407U (US06724976-20040420-M00002.png) * | 1976-08-24 | 1978-03-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63159246U (US06724976-20040420-M00002.png) | 1988-10-18 |
