JPH0252268B2 - - Google Patents

Info

Publication number
JPH0252268B2
JPH0252268B2 JP59082686A JP8268684A JPH0252268B2 JP H0252268 B2 JPH0252268 B2 JP H0252268B2 JP 59082686 A JP59082686 A JP 59082686A JP 8268684 A JP8268684 A JP 8268684A JP H0252268 B2 JPH0252268 B2 JP H0252268B2
Authority
JP
Japan
Prior art keywords
projection
light shielding
light
horizontal line
angle
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
Application number
JP59082686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60225875A (ja
Inventor
Masamitsu Hatsutori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 by Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP59082686A priority Critical patent/JPS60225875A/ja
Priority to US06/704,835 priority patent/US4606627A/en
Publication of JPS60225875A publication Critical patent/JPS60225875A/ja
Publication of JPH0252268B2 publication Critical patent/JPH0252268B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B27/00—Planetaria; Globes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Instructional Devices (AREA)
JP59082686A 1984-04-24 1984-04-24 可変水平線シヤツタ−を有するプラネタリウム Granted JPS60225875A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59082686A JPS60225875A (ja) 1984-04-24 1984-04-24 可変水平線シヤツタ−を有するプラネタリウム
US06/704,835 US4606627A (en) 1984-04-24 1985-02-25 Light shutter mechanism for planetarium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59082686A JPS60225875A (ja) 1984-04-24 1984-04-24 可変水平線シヤツタ−を有するプラネタリウム

Publications (2)

Publication Number Publication Date
JPS60225875A JPS60225875A (ja) 1985-11-11
JPH0252268B2 true JPH0252268B2 (https=) 1990-11-13

Family

ID=13781300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59082686A Granted JPS60225875A (ja) 1984-04-24 1984-04-24 可変水平線シヤツタ−を有するプラネタリウム

Country Status (2)

Country Link
US (1) US4606627A (https=)
JP (1) JPS60225875A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD294715S (en) 1985-03-27 1988-03-15 Minolta Camera Kabushiki Kaisha Planetarium or similar article
WO2001084213A2 (de) * 2000-04-27 2001-11-08 Optische Werke G. Rodenstock Progressives brillenglas mit geringer änderung der binokularen eigenschaften bei einer blickbewegung
JP1573736S (https=) * 2016-06-15 2017-04-10
JP1595997S (https=) * 2017-03-22 2018-01-29
JP1635847S (https=) * 2019-03-13 2019-07-08
JP7330651B2 (ja) * 2021-01-19 2023-08-22 株式会社セガトイズ 映像表示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437825A (en) * 1946-04-19 1948-03-16 Kohn Max Lamp shade
US3256619A (en) * 1964-03-31 1966-06-21 Spitz Lab Inc Intermediate space transit planetarium
US3571954A (en) * 1966-05-13 1971-03-23 Planetaria Inc Space transit simulator planetarium

Also Published As

Publication number Publication date
JPS60225875A (ja) 1985-11-11
US4606627A (en) 1986-08-19

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