JPH01173770U - - Google Patents

Info

Publication number
JPH01173770U
JPH01173770U JP7157788U JP7157788U JPH01173770U JP H01173770 U JPH01173770 U JP H01173770U JP 7157788 U JP7157788 U JP 7157788U JP 7157788 U JP7157788 U JP 7157788U JP H01173770 U JPH01173770 U JP H01173770U
Authority
JP
Japan
Prior art keywords
light
shielding film
projection
original plate
planetarium
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.)
Granted
Application number
JP7157788U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0722694Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988071577U priority Critical patent/JPH0722694Y2/ja
Publication of JPH01173770U publication Critical patent/JPH01173770U/ja
Application granted granted Critical
Publication of JPH0722694Y2 publication Critical patent/JPH0722694Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Instructional Devices (AREA)
JP1988071577U 1988-05-30 1988-05-30 プラネタリウム用の恒星投影原板 Expired - Lifetime JPH0722694Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988071577U JPH0722694Y2 (ja) 1988-05-30 1988-05-30 プラネタリウム用の恒星投影原板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988071577U JPH0722694Y2 (ja) 1988-05-30 1988-05-30 プラネタリウム用の恒星投影原板

Publications (2)

Publication Number Publication Date
JPH01173770U true JPH01173770U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-12-11
JPH0722694Y2 JPH0722694Y2 (ja) 1995-05-24

Family

ID=31296783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988071577U Expired - Lifetime JPH0722694Y2 (ja) 1988-05-30 1988-05-30 プラネタリウム用の恒星投影原板

Country Status (1)

Country Link
JP (1) JPH0722694Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09197957A (ja) * 1996-01-17 1997-07-31 Goto Kogaku Kenkyusho:Kk プラネタリウムにおける星雲又は星団の投映方法及びそれに使用する投映原板の作成方法
JP2007114626A (ja) * 2005-10-24 2007-05-10 Stella Seimitsu Kk 星空表示装置，これを有する家具，建造物およびミラーハウス

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940652A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-23 1974-04-16
JPS531687A (en) * 1976-06-28 1978-01-09 Shinagawa Furnace Method of exchanging adsorbent in deodorization apparatus
JPS59226308A (ja) * 1983-06-07 1984-12-19 Kiyoshi Hajikano 光コネクタ用微細孔

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940652A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-23 1974-04-16
JPS531687A (en) * 1976-06-28 1978-01-09 Shinagawa Furnace Method of exchanging adsorbent in deodorization apparatus
JPS59226308A (ja) * 1983-06-07 1984-12-19 Kiyoshi Hajikano 光コネクタ用微細孔

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09197957A (ja) * 1996-01-17 1997-07-31 Goto Kogaku Kenkyusho:Kk プラネタリウムにおける星雲又は星団の投映方法及びそれに使用する投映原板の作成方法
JP2007114626A (ja) * 2005-10-24 2007-05-10 Stella Seimitsu Kk 星空表示装置，これを有する家具，建造物およびミラーハウス

Also Published As

Publication number Publication date
JPH0722694Y2 (ja) 1995-05-24

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