JPS6391818U - - Google Patents
Info
- Publication number
- JPS6391818U JPS6391818U JP18723986U JP18723986U JPS6391818U JP S6391818 U JPS6391818 U JP S6391818U JP 18723986 U JP18723986 U JP 18723986U JP 18723986 U JP18723986 U JP 18723986U JP S6391818 U JPS6391818 U JP S6391818U
- Authority
- JP
- Japan
- Prior art keywords
- reflected beam
- knife edge
- edge prism
- cylindrical part
- ridge 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18723986U JPH0433541Y2 (zh) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18723986U JPH0433541Y2 (zh) | 1986-12-04 | 1986-12-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6391818U true JPS6391818U (zh) | 1988-06-14 |
| JPH0433541Y2 JPH0433541Y2 (zh) | 1992-08-11 |
Family
ID=31137537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18723986U Expired JPH0433541Y2 (zh) | 1986-12-04 | 1986-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433541Y2 (zh) |
-
1986
- 1986-12-04 JP JP18723986U patent/JPH0433541Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433541Y2 (zh) | 1992-08-11 |