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. 07, 1997
Filed:
Oct. 10, 1995
Hong K Yoo, Cheongju, KR;
Ki J Im, Cheongju, KR;
Sang K Lee, Cheongju, KR;
Eun T Jung, Daejon, KR;
Kyung H Lee, Cheongju, KR;
Chang H Kim, Cheongju, KR;
Bog Y Kang, Cheongju, KR;
Byung R Yang, Cheongju, KR;
LG Industrial Systems Co., Ltd, Seoul, KR;
Abstract
An apparatus and a method for transmitting a dimming control signal in an up/down encoding manner. A dimming control value and a number of a desired electronic ballast group are set by the user and then encoded into binary data in the up/down manner. The encoded binary data is set as transmission data. A receiving stage receives the transmission data and performs a dimming control operation on the basis of dimming up/down information and electronic ballast group number up/down information of the received data.