JPS6442004U - - Google Patents
Info
- Publication number
- JPS6442004U JPS6442004U JP13781087U JP13781087U JPS6442004U JP S6442004 U JPS6442004 U JP S6442004U JP 13781087 U JP13781087 U JP 13781087U JP 13781087 U JP13781087 U JP 13781087U JP S6442004 U JPS6442004 U JP S6442004U
- Authority
- JP
- Japan
- Prior art keywords
- gazed
- images
- display board
- closing plate
- display
- 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.)
- Pending
Links
- 230000004304 visual acuity Effects 0.000 claims description 2
- 230000004438 eyesight Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13781087U JPS6442004U (en]) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13781087U JPS6442004U (en]) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442004U true JPS6442004U (en]) | 1989-03-14 |
Family
ID=31399574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13781087U Pending JPS6442004U (en]) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442004U (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538095B2 (en]) * | 1973-08-06 | 1978-03-25 | ||
| JPS6227915A (ja) * | 1985-07-30 | 1987-02-05 | 冨田 誠次 | 視力測定及び視力回復訓練方法 |
-
1987
- 1987-09-08 JP JP13781087U patent/JPS6442004U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538095B2 (en]) * | 1973-08-06 | 1978-03-25 | ||
| JPS6227915A (ja) * | 1985-07-30 | 1987-02-05 | 冨田 誠次 | 視力測定及び視力回復訓練方法 |