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:
Nov. 21, 1978
Filed:
Nov. 15, 1976
Applicant:
Inventor:
Sheng H Wu, Tan Shui, Taipei Hsien, Taiwan, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350260 ; 350264 ;
Abstract
An instrument for condensing the natural light into the inside of room is disclosed. By the combination of several convexo-convex lens and convexoplane lenses and fluorescent mirror, the natural light can be absorbed, condensed and filtered to illuminate the inside of a room. Meanwhile, a controllable hood will be utilized as a filter screen if the natural light is too dazzling.