ANTENNA WITH INCREASED ELECTRICAL LENGTH AND WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Mar 30, 2007
filing date -
Mar 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is an antenna with an extended electrical length, including radiators (110, 210, 310), (410 and 510) having S-shaped or spiral-shaped cells (112, 212, 312 and 512). The cells (112, 212, 312 and 512) are formed on the front surface of the boards (120, 220, 320, 420 and 520), and two or more of the cells are connected in series by connectors (114, 214 and 314) formed on the rear surface of the board. Furthermore, the antenna includes a ground stub (150) and a parasitic element (160) electromagnetically coupled to the radiators (110, 210, 310, 410 and 510), and has a good radiation characteristic. Furthermore, the antenna can include the cells (112, 212, 312 and 512) of different sizes and can thus have a multi-band characteristic.
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