JP4605610B2 - プラネタリウムにおける投影構造 - Google Patents
プラネタリウムにおける投影構造 Download PDFInfo
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- JP4605610B2 JP4605610B2 JP2007196066A JP2007196066A JP4605610B2 JP 4605610 B2 JP4605610 B2 JP 4605610B2 JP 2007196066 A JP2007196066 A JP 2007196066A JP 2007196066 A JP2007196066 A JP 2007196066A JP 4605610 B2 JP4605610 B2 JP 4605610B2
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- Prior art keywords
- star
- planetarium
- light
- reflector
- projector
- 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.)
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- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000011888 foil Substances 0.000 description 8
- 230000004397 blinking Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 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
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- 238000007740 vapor deposition Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
- Instructional Devices (AREA)
Description
次に、第二の実施の形態における投影スクリーン体3の構成について説明する。上記第一の実施の形態では、金属箔に皺を設けて複数の反射面を形成するようにしたが、この第二の実施の形態では、一の反射角を有する反射体構成要素43を独立して複数設けることによってスクリーン本体4を構成するようにしている。
2・・・投影機
3・・・投影スクリーン体
4・・・スクリーン本体
41・・・第一の反射面
42・・・第二の反射面
43・・・反射体構成要素
5・・・保持体
50・・・布体
6a・・・天井
6b・・・壁面
7・・・正反射の方向
A・・・観察者
Claims (3)
- プラネタリウムの投影機から出力された星の映像を映し出す投影構造において、
それぞれ反射角度が異なる複数の反射面構成要素を備えた複数の金属製反射体と、
建物の天井から金属製反射体を吊り下げる線状の保持体と、を備え、
当該線状の保持体に揺動可能に吊り下げられた金属製反射体に前記星の映像を映し出すようにしたことを特徴とするプラネタリウムにおける投影構造。 - 当該線状の保持体が、各金属製反射体を吊り下げる2本の糸で構成されるものである請求項1に記載のプラネタリウムにおける投影構造。
- 当該線状の保持体が、3箇所以上で金属製反射体を吊り下げるものであり、弾性体で構成されるものである請求項1に記載のプラネタリウムにおける投影構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007196066A JP4605610B2 (ja) | 2007-07-27 | 2007-07-27 | プラネタリウムにおける投影構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007196066A JP4605610B2 (ja) | 2007-07-27 | 2007-07-27 | プラネタリウムにおける投影構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009031571A JP2009031571A (ja) | 2009-02-12 |
JP4605610B2 true JP4605610B2 (ja) | 2011-01-05 |
Family
ID=40402137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007196066A Expired - Fee Related JP4605610B2 (ja) | 2007-07-27 | 2007-07-27 | プラネタリウムにおける投影構造 |
Country Status (1)
Country | Link |
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JP (1) | JP4605610B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8830424B2 (en) * | 2010-02-19 | 2014-09-09 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device having light-condensing means |
JP2017146579A (ja) * | 2016-02-15 | 2017-08-24 | 国立大学法人東京芸術大学 | 映像システム及び映像方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5466501U (ja) * | 1977-10-19 | 1979-05-11 | ||
JPH0530325U (ja) * | 1991-09-26 | 1993-04-20 | 正喜 宇都宮 | 装飾用板 |
JPH07122102A (ja) * | 1993-09-03 | 1995-05-12 | Ushio Utec:Kk | 環境演出照明装置 |
JPH09115309A (ja) * | 1995-10-19 | 1997-05-02 | Nippon Hoso Kyokai <Nhk> | メラ効果用照明装置 |
JP2005327668A (ja) * | 2004-05-17 | 2005-11-24 | Television Tokyo Channel 12 Ltd | 特殊照明効果を有する照明装置 |
-
2007
- 2007-07-27 JP JP2007196066A patent/JP4605610B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5466501U (ja) * | 1977-10-19 | 1979-05-11 | ||
JPH0530325U (ja) * | 1991-09-26 | 1993-04-20 | 正喜 宇都宮 | 装飾用板 |
JPH07122102A (ja) * | 1993-09-03 | 1995-05-12 | Ushio Utec:Kk | 環境演出照明装置 |
JPH09115309A (ja) * | 1995-10-19 | 1997-05-02 | Nippon Hoso Kyokai <Nhk> | メラ効果用照明装置 |
JP2005327668A (ja) * | 2004-05-17 | 2005-11-24 | Television Tokyo Channel 12 Ltd | 特殊照明効果を有する照明装置 |
Also Published As
Publication number | Publication date |
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JP2009031571A (ja) | 2009-02-12 |
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