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:
Dec. 09, 2014
Filed:
May. 11, 2010
Young-chan Moon, Gyeonggi-do, KR;
Oh-seog Choi, Gyeonggi-do, KR;
In-ho Kim, Gyeonggi-do, KR;
Kwang-seok Choi, Gyeongsangbuk-do, KR;
Young-Chan Moon, Gyeonggi-do, KR;
Oh-Seog Choi, Gyeonggi-do, KR;
In-Ho Kim, Gyeonggi-do, KR;
Kwang-Seok Choi, Gyeongsangbuk-do, KR;
KMW Inc., Hwaseong, KR;
Abstract
A Multi-Line Phase Shifter (MLPS) for a vertical beam tilt-controlled antenna is provided, in which a housing is shaped into an elongated rectangular box, a fixed plate is attached on an inner bottom surface of the housing and has transmission lines printed thereon, the transmission lines forming part of a plurality of phase shifting patterns and a plurality of signal division patterns, for dividing an input signal and shifting phases of divided signals, and a mobile plate is installed within the housing, movably along a length direction at a position where the mobile plate contacts a surface of the fixed plate, and has transmission lines printed thereon, the transmission lines forming a remaining part of the plurality of phase shifting patterns for phase shifting by forming variable lines through coupling with the part of the plurality of phase shifting patterns.