JPH0521071Y2 - - Google Patents
Info
- Publication number
- JPH0521071Y2 JPH0521071Y2 JP1988075546U JP7554688U JPH0521071Y2 JP H0521071 Y2 JPH0521071 Y2 JP H0521071Y2 JP 1988075546 U JP1988075546 U JP 1988075546U JP 7554688 U JP7554688 U JP 7554688U JP H0521071 Y2 JPH0521071 Y2 JP H0521071Y2
- Authority
- JP
- Japan
- Prior art keywords
- image
- lens
- original image
- enlarged
- light source
- 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 21
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988075546U JPH0521071Y2 (nl) | 1988-06-07 | 1988-06-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988075546U JPH0521071Y2 (nl) | 1988-06-07 | 1988-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01177739U JPH01177739U (nl) | 1989-12-19 |
JPH0521071Y2 true JPH0521071Y2 (nl) | 1993-05-31 |
Family
ID=31300609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988075546U Expired - Lifetime JPH0521071Y2 (nl) | 1988-06-07 | 1988-06-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0521071Y2 (nl) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938434B2 (ja) * | 1978-02-23 | 1984-09-17 | ヤマハ発動機株式会社 | 無接点点火装置における点火時期制御用発電装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938434U (ja) * | 1982-09-03 | 1984-03-10 | 株式会社学習研究社 | オ−バ−ヘツドプロジエクタ−用スライド投影装置 |
-
1988
- 1988-06-07 JP JP1988075546U patent/JPH0521071Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938434B2 (ja) * | 1978-02-23 | 1984-09-17 | ヤマハ発動機株式会社 | 無接点点火装置における点火時期制御用発電装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH01177739U (nl) | 1989-12-19 |
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