JPH0421144Y2 - - Google Patents
Info
- Publication number
- JPH0421144Y2 JPH0421144Y2 JP1987089580U JP8958087U JPH0421144Y2 JP H0421144 Y2 JPH0421144 Y2 JP H0421144Y2 JP 1987089580 U JP1987089580 U JP 1987089580U JP 8958087 U JP8958087 U JP 8958087U JP H0421144 Y2 JPH0421144 Y2 JP H0421144Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- electronic component
- cover
- dustproof member
- photoelectric
- 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 12
- 239000000463 material Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987089580U JPH0421144Y2 (US06272168-20010807-M00014.png) | 1987-06-10 | 1987-06-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987089580U JPH0421144Y2 (US06272168-20010807-M00014.png) | 1987-06-10 | 1987-06-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS64134U JPS64134U (US06272168-20010807-M00014.png) | 1989-01-05 |
JPH0421144Y2 true JPH0421144Y2 (US06272168-20010807-M00014.png) | 1992-05-14 |
Family
ID=30948694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987089580U Expired JPH0421144Y2 (US06272168-20010807-M00014.png) | 1987-06-10 | 1987-06-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0421144Y2 (US06272168-20010807-M00014.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2003065194A1 (ja) * | 2002-01-29 | 2005-05-26 | 多摩川精機株式会社 | トラックボール |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6284830U (US06272168-20010807-M00014.png) * | 1985-11-15 | 1987-05-30 |
-
1987
- 1987-06-10 JP JP1987089580U patent/JPH0421144Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS64134U (US06272168-20010807-M00014.png) | 1989-01-05 |
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