Patch antenna and method for making the same

Electric lamp and discharge devices – With temperature modifier – For lead-in-seal or stem protection

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343872, H01Q 302

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059777109

ABSTRACT:
A patch antenna has: a driven patch fed with a high-frequency signal and radiates a high-frequency electromagnetic field from its one surface; a parasitic patch receives the high-frequency electromagnetic field from the driven patch at a first surface and reradiates the high-frequency electromagnetic field from a second surface; and a radome which protectively holds the driven patch and the parasitic patch inside of the radome; wherein the parasitic patch is held by the inner surface of the radome which contacts the second surface of the parasitic patch and by a holder which protrudes from the inner surface of the radome and covers a part of the first surface of the parasitic patch.

REFERENCES:
patent: 4987421 (1991-01-01), Sunahara et al.
patent: 5210542 (1993-05-01), Pett et al.
patent: 5382959 (1995-01-01), Pett et al.
Reprint from Elec. Lett., R.Q. Lee et al., "Characteristics of a Two-Layer Electromagnetically Coupled Rectangular Patch Antenna", vol. 23, No. 20, Sep. 1987, pp. 1070-1072.
Reprint from IEEE Trans. Antennas Propaga., F. Croq et al., "Millimeter-Wave Design of Wide-Band Aperture-Coupled Stacked Microstrip Antennas", vol. 39, No. 12, Dec. 1991, pp. 1770-1776.
Patent Abstracts of Japan, vol. 014, No. 383 (E-0966), Aug. 17, 1990.
Patent Abstracts of Japan vol. 095, No. 010, Nov. 30, 1995.
Patent Abstracts of Japan vol. 015, No. 241 (E-1080).

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