Antenna with a conductive layer and a two-band transmitter including the antenna
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United States of America Patent
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-
Dec 17, 2002
Issued Date -
N/A
app pub date -
Jul 3, 2001
filing date -
Jul 10, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The antenna of said transmitter is a microstrip antenna. A rear edge of its patch is provided with a short circuit by means of which a quarter-wave primary resonance can be excited by a coplanar line formed by two coupling slots in an area. Separator slots separate said area from another area in which a secondary resonance can be established at twice the frequency of the primary resonance from a slotted line extending one slot of the coplanar line. The invention applies in particular to the production of a dual-mode mobile telephone to the GSM and DCS standards.
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