JPS61156903U - - Google Patents
Info
- Publication number
- JPS61156903U JPS61156903U JP4170485U JP4170485U JPS61156903U JP S61156903 U JPS61156903 U JP S61156903U JP 4170485 U JP4170485 U JP 4170485U JP 4170485 U JP4170485 U JP 4170485U JP S61156903 U JPS61156903 U JP S61156903U
- Authority
- JP
- Japan
- Prior art keywords
- optotype
- base plate
- visual acuity
- board
- rotating base
- 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 5
- 238000005259 measurement Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170485U JPS61156903U (enExample) | 1985-03-23 | 1985-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170485U JPS61156903U (enExample) | 1985-03-23 | 1985-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61156903U true JPS61156903U (enExample) | 1986-09-29 |
Family
ID=30551780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4170485U Pending JPS61156903U (enExample) | 1985-03-23 | 1985-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61156903U (enExample) |
-
1985
- 1985-03-23 JP JP4170485U patent/JPS61156903U/ja active Pending