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. 22, 2011
Filed:
Mar. 26, 2009
Hidehiko Ogasawara, Tokyo, JP;
Nozomu Ozaki, Kanagawa, JP;
Seiji Wada, Kanagawa, JP;
Toshiyuki Sekiya, Tokyo, JP;
Ken Hayakawa, Kanagawa, JP;
Kazuo Haraoka, Tokyo, JP;
Shinji Sangawa, Tokyo, JP;
Masaaki Hattori, Chiba, JP;
Tetsujiro Kondo, Tokyo, JP;
Hidehiko Ogasawara, Tokyo, JP;
Nozomu Ozaki, Kanagawa, JP;
Seiji Wada, Kanagawa, JP;
Toshiyuki Sekiya, Tokyo, JP;
Ken Hayakawa, Kanagawa, JP;
Kazuo Haraoka, Tokyo, JP;
Shinji Sangawa, Tokyo, JP;
Masaaki Hattori, Chiba, JP;
Tetsujiro Kondo, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A method of obtaining directivity in an optical waveguide includes the steps of falling incident light on surface of diffuse reflection members arranged at a center portion of the optical waveguide, generating a first table relative to an amount of emitted light that is acquired at a circumference of the optical waveguide by controlling at least one of an image control factor for changing an image of the incident light and a coordinate control factor for changing coordinates of the incident light with them being changed, and generating a second table relative to a pattern of the light which is incident to the diffuse reflection member by seeking for a combination of the image and the coordinates of the light based on the generated first table.