Antenna device using in a shielded environment
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United States of America Patent
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N/A
Issued Date -
Mar 13, 2003
app pub date -
Sep 13, 2001
filing date -
Sep 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An antenna device, especially, used in a shielded environment, is disclosed. The antenna device comprises an external receiving antenna installed at an outer side of a shielded environment for receiving signals from a satellite; an internal receiving antenna installed internal a shielded environment for receiving signals emitted from a satellite; a signal amplifying device electrically connected to the external receiving antenna and the internal receiving antenna; and a power supply device connected to the signal amplifying device for supplying power to the antenna device. Satellite signals are received by the external receiving antenna. Then the signals are amplified by the signal amplifying device, and then are emitted to ward a shielded environment by the internal receiving antenna. Thereby, the wireless device is usable in the shielded environment.
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