JPS6227602U - - Google Patents
Info
- Publication number
- JPS6227602U JPS6227602U JP11773285U JP11773285U JPS6227602U JP S6227602 U JPS6227602 U JP S6227602U JP 11773285 U JP11773285 U JP 11773285U JP 11773285 U JP11773285 U JP 11773285U JP S6227602 U JPS6227602 U JP S6227602U
- Authority
- JP
- Japan
- Prior art keywords
- background
- light
- projection optical
- optical systems
- eye
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000004304 visual acuity Effects 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985117732U JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-07-31 | 1985-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985117732U JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-07-31 | 1985-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6227602U true JPS6227602U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-02-19 |
| JPH0310726Y2 JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-18 |
Family
ID=31003524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985117732U Expired JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-07-31 | 1985-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922102U (ja) * | 1982-07-30 | 1984-02-10 | 株式会社島津製作所 | 自動視機能検査装置 |
| JPS60119918A (ja) * | 1983-12-03 | 1985-06-27 | キヤノン株式会社 | 自動視力計 |
-
1985
- 1985-07-31 JP JP1985117732U patent/JPH0310726Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922102U (ja) * | 1982-07-30 | 1984-02-10 | 株式会社島津製作所 | 自動視機能検査装置 |
| JPS60119918A (ja) * | 1983-12-03 | 1985-06-27 | キヤノン株式会社 | 自動視力計 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310726Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-18 |
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