JPH0278901U - - Google Patents
Info
- Publication number
- JPH0278901U JPH0278901U JP15824588U JP15824588U JPH0278901U JP H0278901 U JPH0278901 U JP H0278901U JP 15824588 U JP15824588 U JP 15824588U JP 15824588 U JP15824588 U JP 15824588U JP H0278901 U JPH0278901 U JP H0278901U
- Authority
- JP
- Japan
- Prior art keywords
- lenses
- fresnel
- annular groove
- annular grooves
- annular
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15824588U JPH0278901U (cs) | 1988-12-05 | 1988-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15824588U JPH0278901U (cs) | 1988-12-05 | 1988-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0278901U true JPH0278901U (cs) | 1990-06-18 |
Family
ID=31438397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15824588U Pending JPH0278901U (cs) | 1988-12-05 | 1988-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0278901U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012079677A (ja) * | 2010-10-05 | 2012-04-19 | Machvision Inc | 自動光学検出に用いられる照明システムおよびそれと画像形成システムとの組合せ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS446474Y1 (cs) * | 1964-08-01 | 1969-03-10 |
-
1988
- 1988-12-05 JP JP15824588U patent/JPH0278901U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS446474Y1 (cs) * | 1964-08-01 | 1969-03-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012079677A (ja) * | 2010-10-05 | 2012-04-19 | Machvision Inc | 自動光学検出に用いられる照明システムおよびそれと画像形成システムとの組合せ |