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:
Aug. 05, 2003
Filed:
Oct. 04, 2001
Shi-Youl Noh, Seoul, KR;
Boam R & D Co., Ltd., Kyonggi-Do, KR;
Abstract
An illumination lamp is provided which allows a user to perform brightness and color control in accordance with the state and purpose of use, the environment of use, or the tastes of the users, etc. The illumination lamp may include a rectifier configured to rectify a current supplied by a power supply; a ballast portion configured to start the lamp using the power rectified in the rectifier; a lamp portion that is connected to the ballast portion and that includes two or more tubes, each tube outputting light of a different color temperature; and a controller that is connected to the ballast portion, configured to control a brightness and color of light produced by the illumination lamp.