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:
Oct. 23, 2007
Filed:
Sep. 15, 2004
Makoto Toyota, Saitama, JP;
Tatsuo Seki, Saitama, JP;
Yasuhiko Fukunaga, Saitama, JP;
Shuji Shikano, Tochigi, JP;
Makoto Toyota, Saitama, JP;
Tatsuo Seki, Saitama, JP;
Yasuhiko Fukunaga, Saitama, JP;
Shuji Shikano, Tochigi, JP;
Moritex Corporation, Tokyo, JP;
Abstract
A lighting apparatus in which plural light emitting devices for illuminating light to an object to be illuminated from the periphery thereof are put to light control, and a control device is provided for controlling light to the light emitting devices on every segment divided isogonally with respect to the lighting center at which the light is focused by a control device, wherein the control devicecomprises an illuminance distribution setterthat sets the illuminance on every segments Sto Sindividually in accordance with the start position of a vector that represents the lighting direction to the lighting center F on the XY coordinate plane D with the lighting center F being as an origin P, and a light controllerthat reads out the illuminance on every segment from the illuminance distribution setterin accordance with the input data from a two dimensional data input devicethat sets the start position and controls the light.