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:
May. 25, 2021
Filed:
May. 13, 2020
Mando Corporation, Gyeonggi-do, KR;
Dong Myeong Kim, Gyeonggi-do, KR;
MANDO CORPORATION, Gyeonggi-do, KR;
Abstract
A rear side alarm area expansion method of a tractor-trailer combination vehicle according to the present invention includes determining whether a trailer is connected to a tractor using a rear side alarm sensor when a tractor-trailer combination vehicle travels, changing a normal mode to an expansion mode if it is determined that the trailer is connected to the tractor, adjusting a rear side alarm area based on a predetermined length of the trailer in the expansion mode, calculating an actual length Ym of the trailer, and resetting the rear side alarm area. According to the configuration of the present invention, since the alarm area is set on the basis of the actual length of the trailer, the vehicle may safely change lanes.