Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2011-08-16
2011-08-16
Dinh, Trinh V (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S702000, C343S893000
Reexamination Certificate
active
07999746
ABSTRACT:
A printed circuit board having a built-in antenna may include a first unit substrate, in which a ground and a first radiator are formed; a second unit substrate, which is stacked over the first unit substrate, and in which a second radiator having a frequency band different from a frequency band of the first radiator is formed; a pair of striplines, formed in the first unit substrate and connected with the ground; a first via, which connects the first radiator with the second radiator; a pair of second vias, each of which has one end connected with the pair of strip lines respectively; and a connection pattern, which connects the other ends of the pair of second vias to each other. The printed circuit board having a built-in antenna can utilize multiple frequency bands, and can be implemented in a compact size, to be applicable in compact communication devices.
REFERENCES:
patent: 6114997 (2000-09-01), Lee et al.
patent: 7782257 (2010-08-01), Kim et al.
patent: 2004/0119647 (2004-06-01), Harihara
patent: 2007/0285335 (2007-12-01), Bungo et al.
patent: 2001-44753 (2001-02-01), None
patent: 2002-158529 (2002-05-01), None
Korean Office Action issued on Oct. 13, 2009 in corresponding Korean Patent Application No. 10-2007-0124796.
Cho Won-Woo
Jung Jae-Youb
Kim Ju-Hyung
Sung Jae-Suk
Yang Dek-Gin
Dinh Trinh V
Samsung Electro-Mechanics Co. Ltd.
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