Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1999-07-01
2000-10-17
Le, Hoanganh
Communications: radio wave antennas
Antennas
With radio cabinet
343841, 343842, 343744, H01Q 124, H01Q 1112
Patent
active
061338869
ABSTRACT:
An antenna (28) for use in a wireless communication module (10) includes a shield plate (40), an antenna loop element (42), and a transmission line element (44). The wireless communication module (10) also includes a receiver (37) having a circuit board (30). The shield plate (40) is located on a first side (32) of the circuit board (30); and the antenna loop element (42) and the transmission line element (44) are located on an opposite side (34) of the circuit board (30). The shield plate (40) is electrically connected to a first loop end (50) of the antenna loop element (42). A capacitor (64) interconnects a second loop end (52) of the antenna loop element (42) to a first transmission line end (58) of the transmission line element (44). A second transmission line end (60) is electrically open.
REFERENCES:
patent: 5113196 (1992-05-01), Ponce de Leon et al.
patent: 5300938 (1994-04-01), Maroun et al.
patent: 5469178 (1995-11-01), Nguyen et al.
patent: 5673054 (1997-09-01), Hama
patent: 5880697 (1999-03-01), McCarrick et al.
patent: 6031494 (2000-02-01), Okabe et al.
Fariello Patrick L.
Nelson Glenn R.
Dulaney Randi L.
Le Hoang-anh
Motorola Inc.
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