Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1998-01-12
2000-09-12
Le, Hoanganh
Communications: radio wave antennas
Antennas
With radio cabinet
343715, 343906, H01Q 124
Patent
active
06118408&
ABSTRACT:
This invention relates to a composite antenna used in a radio transceiver, which comprises a first antenna and a detachable antenna set. The first antenna can be used without the detachable antenna set for transmitting and receiving radio signals radiated from the radio transceiver. The detachable antenna set comprises a second antenna for transmitting and receiving radio signals and an antenna sheath electrically connected to the second antenna, for detachably attaching to the first antenna. When the antenna sheath is attached to the first antenna and electrically connected to the signal line and the ground port therein, radio signals transmitted or received by the radio transceiver are confined within the antenna sheath and can be transmitted or received through the second antenna of the detachable antenna set.
REFERENCES:
patent: 4090030 (1978-05-01), Lagasse
patent: 4220955 (1980-09-01), Frye
patent: 4867698 (1989-09-01), Griffiths
patent: 5357262 (1994-10-01), Blaese
patent: 5557287 (1996-09-01), Pottala
patent: 5668561 (1997-09-01), Perrotta
patent: 5739790 (1998-04-01), Green, Jr.
patent: 5835064 (1998-11-01), Gomez et al.
Chao-Cheng Chen
Yang Ching Shan
Yin-Shiang Cheng
Acer Peripherals Inc.
Chen Shih-Chao
Hsu Winston
Le Hoang-anh
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