JPH0214705U - - Google Patents
Info
- Publication number
- JPH0214705U JPH0214705U JP9390588U JP9390588U JPH0214705U JP H0214705 U JPH0214705 U JP H0214705U JP 9390588 U JP9390588 U JP 9390588U JP 9390588 U JP9390588 U JP 9390588U JP H0214705 U JPH0214705 U JP H0214705U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- back surface
- approximately equal
- prism
- fresnel
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9390588U JPH0214705U (zh) | 1988-07-15 | 1988-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9390588U JPH0214705U (zh) | 1988-07-15 | 1988-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214705U true JPH0214705U (zh) | 1990-01-30 |
Family
ID=31318384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9390588U Pending JPH0214705U (zh) | 1988-07-15 | 1988-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214705U (zh) |
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1988
- 1988-07-15 JP JP9390588U patent/JPH0214705U/ja active Pending