JPS6344814Y2 - - Google Patents
Info
- Publication number
- JPS6344814Y2 JPS6344814Y2 JP2931981U JP2931981U JPS6344814Y2 JP S6344814 Y2 JPS6344814 Y2 JP S6344814Y2 JP 2931981 U JP2931981 U JP 2931981U JP 2931981 U JP2931981 U JP 2931981U JP S6344814 Y2 JPS6344814 Y2 JP S6344814Y2
- Authority
- JP
- Japan
- Prior art keywords
- eyepiece
- frame plate
- field
- light
- guide fiber
- 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 19
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000000835 fiber Substances 0.000 description 24
- 208000003464 asthenopia Diseases 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 5
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 210000001328 optic nerve Anatomy 0.000 description 4
- 210000001525 retina Anatomy 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931981U JPS6344814Y2 (US20110009641A1-20110113-C00116.png) | 1981-03-03 | 1981-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931981U JPS6344814Y2 (US20110009641A1-20110113-C00116.png) | 1981-03-03 | 1981-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57142502U JPS57142502U (US20110009641A1-20110113-C00116.png) | 1982-09-07 |
| JPS6344814Y2 true JPS6344814Y2 (US20110009641A1-20110113-C00116.png) | 1988-11-21 |
Family
ID=29826913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2931981U Expired JPS6344814Y2 (US20110009641A1-20110113-C00116.png) | 1981-03-03 | 1981-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6344814Y2 (US20110009641A1-20110113-C00116.png) |
-
1981
- 1981-03-03 JP JP2931981U patent/JPS6344814Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57142502U (US20110009641A1-20110113-C00116.png) | 1982-09-07 |
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