Antenna assembly adapted with an electrical plug

Details Antenna assembly adapted with an electrical plug Antenna assembly adapted with an electrical plug

1999-10-13

2001-07-31

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S702000

Reexamination Certificate

active

06268836

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to an antenna assembly, and, more particularly, to an antenna assembly that is adapted with an electrical plug.
BACKGROUND OF THE INVENTION
An antenna assembly for supporting a coil antenna element is disclosed in U.S. patent application Ser. No. 09/206,445. Disadvantages of a coil antenna element include the difficulty of replicating a coil of precise dimensions and proper frequency band tuning, as well as mounting the coil in fixed position on an antenna mast without the coil changing shape over the passage of time and in response to temperature fluctuations and vibration and impact. A further difficulty arises in providing electrical connections to a coil, and to an antenna feed line for the coil, as well as providing a mechanical mounting structure for mounting the coil to an antenna mast. Further, a need exists for mounting the mast to a communications device, for example, a personal communications device that communicates by cellular telephone frequency bands and/or PCS, personal communications services, frequency bands.
A need exists for an antenna assembly that supports a radiating antenna element in fixed position over the passage of time and without changes in shape over time and in response to temperature fluctuations, vibration and impact.
Another need exists for an antenna assembly that provides an electrical connection and a mechanical connection for an antenna mast on which the radiating antenna element is supported.
SUMMARY OF THE INVENTION
The present invention provides an antenna assembly having a mast on which is supported a radiating antenna element, the mast being shaped to comprise an electrical plug on which is supported an electrical contact that connects to an antenna feed line for the radiating antenna element. Advantageously, the electrical plug adapts the antenna assembly for mating connection with an electrical socket, and provides a mounting structure for the mast.
The invention satisfies the need for an antenna assembly that provides an electrical connection and a mechanical connection for an antenna mast on which the radiating antenna element is supported.
The invention satisfies the further need for an antenna assembly that supports a radiating antenna element in fixed position over the passage of time and without the antenna element changing shape, over the passage of time, and in response to temperature fluctuations, vibration and impact.
An embodiment of the present invention provides an antenna assembly that has an insulating antenna mast supporting a radiating antenna element and a radome covering the antenna element, the antenna element having an antenna feed line, an electrical contact connected to the antenna feed line, the antenna mast being shaped to comprise an electrical plug on which the electrical contact is supported, and the contact extending along the electrical plug for making an electrical connection with an electrical socket when the electrical plug is matingly connected to the electrical socket.


REFERENCES:
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patent: 5559524 (1996-09-01), Takei et al.
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patent: 5949386 (1999-09-01), Elliott
patent: 5950116 (1999-09-01), Baro
patent: 6057807 (2000-05-01), Marthinson et al.
patent: 298 11 273 U1 (1998-10-01), None
patent: 2 330 951 (1999-05-01), None
Abstract & Drawings Only, U.S. application No. 09/206,445, filed Dec. 7, 1998.

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