Digital television (DTV) antenna apparatus

Details Digital television (DTV) antenna apparatus Digital television (DTV) antenna apparatus

2011-04-19

2011-04-19

Choi, Jacob Y (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07928911

ABSTRACT:
The present invention discloses a DTV antenna apparatus build in a portable device. The portable device includes a system ground. The DTV antenna includes a ground plane with a short circuit point, an extending metal arm with a grounding point and a radiation element. The ground plane is the system ground. The radiation element and the ground plane are arranged in parallel to each other. The extending metal arm connects with the short circuit point. The antenna receives signals with frequencies in the range from 470 MHz to 870 MHz. The radiation element includes a radiation arm and a parasitic arm. The radiation arm has a feeding terminal. The parasitic arm connects with the short circuit point.

REFERENCES:
patent: 4749996 (1988-06-01), Tresselt
patent: 2006/0267834 (2006-11-01), Qi et al.
patent: H09-260934 (1997-03-01), None
patent: 01/63690 (2001-08-01), None

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