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:
Apr. 17, 2018
Filed:
Sep. 20, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motor Corporation, Seoul, KR;
ChoongSeob Park, Gyeonggi-do, KR;
TaeSun Roh, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A current control apparatus for controlling current of a lamp in a vehicle includes: a plurality of output pins to output currents of different values; an output signal feedback part connected to each of the plurality of output pins, and to generate one of a plurality of output feedback signals; a reference signal generation part to generate one of a plurality of reference signals; a signal selection part configured to select one of the plurality of output feedback signals, and to select one of the plurality of reference signals; a comparator to compare the received output feedback signal to the received reference signal, and to output a signal difference between the receive output feedback signal and the received reference signal; and a constant current driver configured to constantly adjust a current output through one of the plurality of output pins based on the signal difference.