JPH0511551Y2 - - Google Patents
Info
- Publication number
- JPH0511551Y2 JPH0511551Y2 JP1987046366U JP4636687U JPH0511551Y2 JP H0511551 Y2 JPH0511551 Y2 JP H0511551Y2 JP 1987046366 U JP1987046366 U JP 1987046366U JP 4636687 U JP4636687 U JP 4636687U JP H0511551 Y2 JPH0511551 Y2 JP H0511551Y2
- Authority
- JP
- Japan
- Prior art keywords
- projection
- cover
- screen
- light source
- set surface
- 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
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 description 16
- 229910052736 halogen Inorganic materials 0.000 description 10
- 150000002367 halogens Chemical class 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987046366U JPH0511551Y2 (en18) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987046366U JPH0511551Y2 (en18) | 1987-03-27 | 1987-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63153242U JPS63153242U (en18) | 1988-10-07 |
| JPH0511551Y2 true JPH0511551Y2 (en18) | 1993-03-23 |
Family
ID=30865964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987046366U Expired - Lifetime JPH0511551Y2 (en18) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0511551Y2 (en18) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517889U (en18) * | 1974-07-04 | 1976-01-21 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55141126U (en18) * | 1979-03-29 | 1980-10-08 |
-
1987
- 1987-03-27 JP JP1987046366U patent/JPH0511551Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517889U (en18) * | 1974-07-04 | 1976-01-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63153242U (en18) | 1988-10-07 |
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