JPS63183533U - - Google Patents
Info
- Publication number
- JPS63183533U JPS63183533U JP7421887U JP7421887U JPS63183533U JP S63183533 U JPS63183533 U JP S63183533U JP 7421887 U JP7421887 U JP 7421887U JP 7421887 U JP7421887 U JP 7421887U JP S63183533 U JPS63183533 U JP S63183533U
- Authority
- JP
- Japan
- Prior art keywords
- optical unit
- inspecting
- resolution chart
- intersections
- charts
- 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 4
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074218U JPH0522847Y2 (fi) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074218U JPH0522847Y2 (fi) | 1987-05-18 | 1987-05-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63183533U true JPS63183533U (fi) | 1988-11-25 |
| JPH0522847Y2 JPH0522847Y2 (fi) | 1993-06-11 |
Family
ID=30919232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987074218U Expired - Lifetime JPH0522847Y2 (fi) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522847Y2 (fi) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS561330A (en) * | 1979-06-19 | 1981-01-09 | Ricoh Co Ltd | Frequency chart for measuring mtf |
| JPS5872028A (ja) * | 1981-10-27 | 1983-04-28 | Ricoh Co Ltd | レンズの尖鋭度測定装置 |
-
1987
- 1987-05-18 JP JP1987074218U patent/JPH0522847Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS561330A (en) * | 1979-06-19 | 1981-01-09 | Ricoh Co Ltd | Frequency chart for measuring mtf |
| JPS5872028A (ja) * | 1981-10-27 | 1983-04-28 | Ricoh Co Ltd | レンズの尖鋭度測定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522847Y2 (fi) | 1993-06-11 |