Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2006-02-14
2006-02-14
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S769000, C343S7000MS
Reexamination Certificate
active
06999038
ABSTRACT:
The invention concerns a device for receiving and/or transmitting signals comprising at least two wave reception and/or transmission means consisting of a slot antenna and means for connecting at least one of said reception and/or transmission means to means using multibeam signals. The connection means consist of a common feeder line, the line being electromagnetically coupled with the slots of the slot antenna and being terminated by an electronic component enabling through a control signal to simulate a short circuit or an open circuit at the end of said line so that, when the component is in on-state the radiation pattern derived from the device is different from the radiation pattern derived from the device when the component is in off-state. The invention is applicable to the field of wireless transmissions.
REFERENCES:
patent: 5174961 (1992-12-01), Smith
patent: 5281974 (1994-01-01), Kuramoto et al.
patent: 6028561 (2000-02-01), Takei
patent: 98/15030 (1998-04-01), None
Copy of search report dated Jun. 20, 2002.
Le Bolzer Françoise
Louzir Ali
Cromarty Brian J.
Nguyen Hoang V.
Shedd Robert D.
Thomson Licensing
Tripoli Joseph S.
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