JPH0220715Y2 - - Google Patents
Info
- Publication number
- JPH0220715Y2 JPH0220715Y2 JP1979176857U JP17685779U JPH0220715Y2 JP H0220715 Y2 JPH0220715 Y2 JP H0220715Y2 JP 1979176857 U JP1979176857 U JP 1979176857U JP 17685779 U JP17685779 U JP 17685779U JP H0220715 Y2 JPH0220715 Y2 JP H0220715Y2
- Authority
- JP
- Japan
- Prior art keywords
- pointer
- hole
- reflective surface
- light
- optical axis
- 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
- 238000005286 illumination Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Measuring Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979176857U JPH0220715Y2 (US07534539-20090519-C00280.png) | 1979-12-20 | 1979-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979176857U JPH0220715Y2 (US07534539-20090519-C00280.png) | 1979-12-20 | 1979-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5692990U JPS5692990U (US07534539-20090519-C00280.png) | 1981-07-24 |
| JPH0220715Y2 true JPH0220715Y2 (US07534539-20090519-C00280.png) | 1990-06-05 |
Family
ID=29687471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979176857U Expired JPH0220715Y2 (US07534539-20090519-C00280.png) | 1979-12-20 | 1979-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220715Y2 (US07534539-20090519-C00280.png) |
-
1979
- 1979-12-20 JP JP1979176857U patent/JPH0220715Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5692990U (US07534539-20090519-C00280.png) | 1981-07-24 |
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