Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2005-01-25
2005-01-25
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S768000, C343S850000
Reexamination Certificate
active
06847332
ABSTRACT:
The present invention relates to a device for receiving and/or transmitting signals comprising an assembly of n means for receiving and/or transmitting waves with longitudinal radiation of the printed slot-antenna type, where n is an integer greater than or equal to one, and an excitation means of the microstrip-line type coupled to at least one slot line. The present invention is characterized in that it comprises a switching device which acts by controlling the coupling between the microstrip line and at least one slot line.
REFERENCES:
patent: 6285333 (2001-09-01), Reed et al.
patent: 0685901 (1995-05-01), None
D. Sievenpiper et al. “Low-profile, four-sector diversity antenna on high-impedance ground plane.” Electronics Letters, IEE Stevensage (Aug. 3, 2000), vol. 36 No. 16 pp. 1343-1345.
Jeffrey B. Knorr, “Slot-Line Transitions” IEEE Transactions on Microwave Theory and Techniques. (May 1995) vol. 22 pp. 548-554.
M. J. Vaughan et al. “28 GHZ Omni-Directional Quasi-Optical Transmitter Array” vol. 43, No. 10 (Oct. 1, 1995) pp. 2507-2509.
Le Bolzer Françoise
Louzir Ali
Minard Philippe
Thudor Franck
Cromarty Brian J.
Nguyen Hoang V.
Shedd Robert D.
Thomson Licensing S.A.
Tripoli Joseph S.
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