Title:
AUTO-LEVELER AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/032606
Kind Code:
A1
Abstract:
Disclosed are: an auto-leveler provided at a boarding bridge so as to measure height changes of an aircraft laid thereon, thereby controlling the height of the boarding bridge; and a control method therefor. The auto-leveler comprises: first and second disks coming in contact with the aircraft so as to rotate according to height changes of the aircraft; a first detection unit for measuring the rotation amount of the first disk; a second detection unit for measuring the rotation amount of the second disk; and a control unit for controlling the height of the boarding bridge according to the measurement value of the first detection unit and/or the second detection unit.
Inventors:
CHO SEUNG SANG (KR)
LEE MAN WOO (KR)
YANG KWANG HO (KR)
LEE BYOUNG KWAN (KR)
HWANG JONG IK (KR)
LEE MAN WOO (KR)
YANG KWANG HO (KR)
LEE BYOUNG KWAN (KR)
HWANG JONG IK (KR)
Application Number:
PCT/KR2019/009939
Publication Date:
February 13, 2020
Filing Date:
August 08, 2019
Export Citation:
Assignee:
KOREA AIRPORTS CORP (KR)
TRA CO LTD (KR)
TRA CO LTD (KR)
International Classes:
B64F1/305; G01B21/22; G08B21/18
Foreign References:
| JPH01262298A | 1989-10-19 | |||
| KR101857371B1 | 2018-05-11 | |||
| JP4444055B2 | 2010-03-31 | |||
| KR101445244B1 | 2014-09-29 | |||
| KR960031307U | 1996-10-22 |
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (KR)
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