Title:
INTERNAL ANTENNA USING A TERMINAL GROUND
Document Type and Number:
WIPO Patent Application WO/2011/099673
Kind Code:
A1
Abstract:
Disclosed is an internal antenna using a terminal ground. The disclosed antenna comprises: a terminal ground included in a terminal; a clearance portion, which is a region that is partially removed from the terminal ground; a first feeder electromagnetically coupled to a feed point and having at least a portion thereof located in the clearance portion region; a second feeder coupled to the first feeder and having the ends thereof coupled to the boundary of the terminal ground and to the clearance portion, respectively; and a capacitive device coupled to the second feeder. The disclosed antenna can transmit/receive RF signals by using a terminal ground without an attached resonance emitter, and can be widely applied to various terminal forms.
Inventors:
CHOI HYENG-CHEUL (KR)
CHO OUL (KR)
LEE JAE-SEOK (KR)
CHO OUL (KR)
LEE JAE-SEOK (KR)
Application Number:
PCT/KR2010/002314
Publication Date:
August 18, 2011
Filing Date:
April 14, 2010
Export Citation:
Assignee:
RADINA CO LTD (KR)
CHOI HYENG-CHEUL (KR)
CHO OUL (KR)
LEE JAE-SEOK (KR)
CHOI HYENG-CHEUL (KR)
CHO OUL (KR)
LEE JAE-SEOK (KR)
International Classes:
H04B1/40; H01Q1/24; H04B1/18; H04B1/38
Foreign References:
| KR20090058144A | 2009-06-09 | |||
| KR20070069635A | 2007-07-03 | |||
| KR100871919B1 | 2008-12-05 |
Attorney, Agent or Firm:
SONG, IN-HO (KR)
송인호 (KR)
송인호 (KR)
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Claims:
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