JPH0743710Y2 - 折り畳み式光学装置 - Google Patents
折り畳み式光学装置Info
- Publication number
- JPH0743710Y2 JPH0743710Y2 JP1988064223U JP6422388U JPH0743710Y2 JP H0743710 Y2 JPH0743710 Y2 JP H0743710Y2 JP 1988064223 U JP1988064223 U JP 1988064223U JP 6422388 U JP6422388 U JP 6422388U JP H0743710 Y2 JPH0743710 Y2 JP H0743710Y2
- Authority
- JP
- Japan
- Prior art keywords
- head unit
- unit
- support unit
- base
- supporting means
- 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 title claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064223U JPH0743710Y2 (ja) | 1988-05-16 | 1988-05-16 | 折り畳み式光学装置 |
| DE3915918A DE3915918A1 (de) | 1988-05-16 | 1989-05-16 | Optisches geraet |
| US07/352,542 US4938587A (en) | 1988-05-16 | 1989-05-16 | Foldable optical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064223U JPH0743710Y2 (ja) | 1988-05-16 | 1988-05-16 | 折り畳み式光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01171444U JPH01171444U (en]) | 1989-12-05 |
| JPH0743710Y2 true JPH0743710Y2 (ja) | 1995-10-09 |
Family
ID=31289697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988064223U Expired - Lifetime JPH0743710Y2 (ja) | 1988-05-16 | 1988-05-16 | 折り畳み式光学装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743710Y2 (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978218A (en) * | 1990-03-01 | 1990-12-18 | Minnesota Mining And Manufacturing Company | Folding arm for overhead projector |
| JP2009009071A (ja) * | 2007-06-29 | 2009-01-15 | Brother Ind Ltd | 支持脚付きプロジェクタ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3232639C2 (de) * | 1982-09-02 | 1986-07-03 | Demolux Gmbh & Co Kg, 6070 Langen | Overhead-Projektor |
| JPS6082625U (ja) * | 1983-11-14 | 1985-06-07 | 株式会社リコー | オ−バ−ヘツドプロジエクタ− |
-
1988
- 1988-05-16 JP JP1988064223U patent/JPH0743710Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01171444U (en]) | 1989-12-05 |
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