High frequency signal transmitter with vertically spaced...

Communications: radio wave antennas – Antennas – Microstrip

Reexamination Certificate

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Details

C333S033000

Reexamination Certificate

active

07132983

ABSTRACT:
The current invention provides a high-frequency signal transmitter with: a first strip line (10) on the surface of a dielectric substrate (11) for producing a signal; a second strip line (16) in the dielectric substrate (11) for the coupling-out and/or coupling-in of a high-frequency signal; a first interfacial connection device (15) in the substrate (11) for producing a conductive connection between the first and second strip line (10; 16); a first solid surface (12) essentially parallel to the microstrip line (10) and serving as a lower boundary surface of the substrate (11) in the vertical direction for producing a shielding; a second solid surface (18) essentially parallel to the first solid surface (12) and disposed at least in the region above the second strip line (16) on the substrate (11) for producing a shielding; a coupling opening (17) in the second solid surface (18) for radiating high-frequency energy; a planar coupling device (19) above and essentially parallel to the coupling opening (17); and a second interfacial connection device (20) between the first solid surface (12) and the second solid surface (18), in the region adjacent to the first interfacial connection device (15).

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patent: 00/46921 (2000-08-01), None
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J. R. Sanford et al: “Optimized Antennas for Mobile Communication...”Proceedings of the 21st European Microwave Conference, Stuttgart Sep. 9-12, 1991, pp. 780-786 (In English).
Gildas P. Gauthier et al: “A 94-GHz Perture-Coupled...” IEEE, vol. 47, No. 12, Dec. 1999, pp. 1761-1765 (In English).
Simons R. N., et al: “Coplanar0Waveguide/Microstrip...” Electronics Letters, IEE Stevenage, GB, BD. 26, NR. 24, Nov. 22, 1990, pp. 1998-2000 (In English).

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