JPH0535519Y2 - - Google Patents
Info
- Publication number
- JPH0535519Y2 JPH0535519Y2 JP1986111142U JP11114286U JPH0535519Y2 JP H0535519 Y2 JPH0535519 Y2 JP H0535519Y2 JP 1986111142 U JP1986111142 U JP 1986111142U JP 11114286 U JP11114286 U JP 11114286U JP H0535519 Y2 JPH0535519 Y2 JP H0535519Y2
- Authority
- JP
- Japan
- Prior art keywords
- information reading
- casing
- disk
- objective lens
- reading light
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910000889 permalloy Inorganic materials 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986111142U JPH0535519Y2 (it) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986111142U JPH0535519Y2 (it) | 1986-07-18 | 1986-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6316698U JPS6316698U (it) | 1988-02-03 |
JPH0535519Y2 true JPH0535519Y2 (it) | 1993-09-08 |
Family
ID=30990790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986111142U Expired - Lifetime JPH0535519Y2 (it) | 1986-07-18 | 1986-07-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0535519Y2 (it) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152324B2 (it) * | 1981-12-24 | 1986-11-12 | Walterscheid Gmbh Jean |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152324U (it) * | 1984-09-12 | 1986-04-08 |
-
1986
- 1986-07-18 JP JP1986111142U patent/JPH0535519Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152324B2 (it) * | 1981-12-24 | 1986-11-12 | Walterscheid Gmbh Jean |
Also Published As
Publication number | Publication date |
---|---|
JPS6316698U (it) | 1988-02-03 |
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