Transmitting/receiving antenna with radiation diversity

Details Transmitting/receiving antenna with radiation diversity Transmitting/receiving antenna with radiation diversity

2011-01-04

2011-01-04

Choi, Jacob Y (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S769000, C343S767000, C343S7000MS, C343S876000

Reexamination Certificate

active

07864126

ABSTRACT:
The present invention relates to a transmission/reception antenna with diversity of radiation comprising on a substrate at least a first and a second radiating elements connected by a network of feeder lines to a transmission/reception circuit of electromagnetic signals, wherein the network is constituted by a first feeder line connected to a first radiating element and by a set of two second feeder lines each connected by means of a switching element to the second radiating element in such a manner as to supply the two radiating elements in phase or in phase opposition, the set of the two second feeder lines being connected to the first feeder line by a third feeder line, the first and third feeder lines being connected by a feeder line common to the transmission/reception circuit of electromagnetic signals.

REFERENCES:
patent: 4800393 (1989-01-01), Edward et al.
patent: 6674340 (2004-01-01), Quan et al.
patent: 6816116 (2004-11-01), Chen
patent: 6891510 (2005-05-01), Le Bolzer et al.
patent: 2003/0179138 (2003-09-01), Chen
patent: 2003/0193377 (2003-10-01), Quan et al.
patent: 0713262 (1996-05-01), None
patent: 1662611 (2006-05-01), None
patent: 2005-45494 (2003-12-01), None
patent: 2005045494 (2005-02-01), None
Patent Abstracts of Japan, vol. 2003, No. 12, Dec. 5, 2003 & JP 2005-045494 (Hitachi Cable Ltd.).
Search Report Dated Jan. 29, 2007.

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