The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 1987
Filed:
Apr. 22, 1985
Applicant:
Inventors:
Takao Suzuki, Toyokawa, JP;
Kenji Shiba, Toyohashi, JP;
Assignee:
Minolta Camera K.K., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09B / ;
U.S. Cl.
CPC ...
434286 ;
Abstract
A planetarium comprises a star field projector which projects the star field, a ring-shaped member which supports the star field projector rotatably about a first axis, a first rotating member which supports the ring-shaped member rotatably about a second axis orthogonally crossing the first axis, a support base which supports the first rotating member rotatably about a third axis orthogonally crossing the second axis, a second rotating member provided on the support base rotatable about the third axis independent of the first rotating member, and a coordinates projector provided on the second rotating member.