JPH0248820Y2 - - Google Patents
Info
- Publication number
- JPH0248820Y2 JPH0248820Y2 JP6689986U JP6689986U JPH0248820Y2 JP H0248820 Y2 JPH0248820 Y2 JP H0248820Y2 JP 6689986 U JP6689986 U JP 6689986U JP 6689986 U JP6689986 U JP 6689986U JP H0248820 Y2 JPH0248820 Y2 JP H0248820Y2
- Authority
- JP
- Japan
- Prior art keywords
- mark
- marks
- fitting
- horizontal
- reference line
- 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.)
- Expired
Links
- 238000005259 measurement Methods 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Eyeglasses (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6689986U JPH0248820Y2 (enrdf_load_stackoverflow) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6689986U JPH0248820Y2 (enrdf_load_stackoverflow) | 1986-05-06 | 1986-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62179721U JPS62179721U (enrdf_load_stackoverflow) | 1987-11-14 |
JPH0248820Y2 true JPH0248820Y2 (enrdf_load_stackoverflow) | 1990-12-21 |
Family
ID=30905318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6689986U Expired JPH0248820Y2 (enrdf_load_stackoverflow) | 1986-05-06 | 1986-05-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0248820Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017181967A (ja) * | 2016-03-31 | 2017-10-05 | 伊藤光学工業株式会社 | 累進屈折力レンズ |
-
1986
- 1986-05-06 JP JP6689986U patent/JPH0248820Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62179721U (enrdf_load_stackoverflow) | 1987-11-14 |
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