JPS61145503U - - Google Patents
Info
- Publication number
- JPS61145503U JPS61145503U JP2919985U JP2919985U JPS61145503U JP S61145503 U JPS61145503 U JP S61145503U JP 2919985 U JP2919985 U JP 2919985U JP 2919985 U JP2919985 U JP 2919985U JP S61145503 U JPS61145503 U JP S61145503U
- Authority
- JP
- Japan
- Prior art keywords
- visual acuity
- circuit
- code
- measured value
- ring 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.)
- Granted
Links
- 230000004304 visual acuity Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2919985U JPH029765Y2 (cs) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2919985U JPH029765Y2 (cs) | 1985-02-28 | 1985-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61145503U true JPS61145503U (cs) | 1986-09-08 |
| JPH029765Y2 JPH029765Y2 (cs) | 1990-03-12 |
Family
ID=30527792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2919985U Expired JPH029765Y2 (cs) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH029765Y2 (cs) |
-
1985
- 1985-02-28 JP JP2919985U patent/JPH029765Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH029765Y2 (cs) | 1990-03-12 |