Device for receiving and/or emitting electromagnetic waves...

Details Device for receiving and/or emitting electromagnetic waves... Device for receiving and/or emitting electromagnetic waves...

2006-08-08

2006-08-08

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S725000

Reexamination Certificate

active

07088302

ABSTRACT:
A device, applicable to the field of wireless transmission, receives and/or transmits electromagnetic waves with radiation diversity. This device comprises, on a common substrate (3), at least one antenna of the slot type (1) formed by a closed curve, known as a slot antenna, electromagnetically coupled to a first supply line (6), and an antenna radiating parallel to the substrate (2), positioned inside the slot antenna and connected to a second supply line. The first and second supply lines are connected via a switching means to means to exploit the electromagnetic waves.

REFERENCES:
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patent: 5300936 (1994-04-01), Izadian
patent: 5402132 (1995-03-01), Hall et al.
patent: 5402136 (1995-03-01), Goto et al.
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patent: 5914693 (1999-06-01), Takei et al.
patent: 6160512 (2000-12-01), Desclos et al.
B.M. Halpem, P.E. Mayes: “The Monopole Slot as a Two-Port Diversity Antenna for UHF 1 and-mobile Radio Systems”, IEEE Transactions on Vehicular Technology, vol. VT33, No. 2, May 1984, pp. 76-83.
Search Report dated Jun. 11, 2003.

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