Dielectric loaded antenna apparatus with inclined radiation surface and array antenna apparatus including the dielectric loaded antenna apparatus
First Claim
1. A dielectric loaded antenna apparatus comprising:
- a waveguide; and
a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes;
a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and
a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, andwherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide.
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Accused Products
Abstract
A dielectric loaded antenna apparatus has a column-shaped loaded dielectric which is loaded on an end portion of a feeding line of the dielectric loaded antenna apparatus. The loaded dielectric has an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of the loaded dielectric. A cross section of the loaded dielectric perpendicular to the axial direction of the loaded dielectric has a shape of one of a circle, ellipse and polygon. The feeding line is a waveguide which includes a radiation waveguide and a feeding waveguide. The radiation waveguide has an axis parallel to the axial direction of the loaded dielectric and includes an opening for feeding an electromagnetic wave to the loaded dielectric. The feeding waveguide feeds the electromagnetic wave to the radiation waveguide.
37 Citations
51 Claims
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1. A dielectric loaded antenna apparatus comprising:
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a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A dielectric loaded antenna apparatus comprising:
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a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide toward one of a polarization direction of the electromagnetic wave and a direction perpendicular to the polarization direction of the electromagnetic wave. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A dielectric loaded antenna apparatus comprising:
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a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said feeding waveguide is arranged so that a central axis of said feeding waveguide in an axial direction of said feeding waveguide is shifted from a center of said column-shaped radiation waveguide. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A dielectric loaded antenna apparatus comprising:
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a dielectric substrate; a microstrip line formed on said dielectric substrate; a feeding patch conductor provided on an end portion of said microstrip line; and a column-shaped loaded dielectric loaded on said end portion of said microstrip line, whereby said feeding patch conductor feeds an electromagnetic wave to said column-shaped loaded dielectric, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a center of said feeding patch conductor.
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23. A dielectric loaded antenna apparatus comprising:
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a dielectric substrate; a microstrip line formed on said dielectric substrate; a feeding patch conductor provided on an end portion of said microstrip line; and a column-shaped loaded dielectric loaded on said end portion of said microstrip line, whereby said feeding patch conductor feeds an electromagnetic wave to said column-shaped loaded dielectric, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a center of said feeding patch conductor toward one of a polarization direction of the electromagnetic wave and a direction perpendicular to the polarization direction of the electromagnetic wave.
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24. A dielectric loaded antenna apparatus comprising:
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a dielectric substrate; a microstrip line formed on said dielectric substrate; a feeding patch conductor provided on an end portion of said microstrip line; and a column-shaped loaded dielectric loaded on said end portion of said microstrip line, whereby said feeding patch conductor feeds an electromagnetic wave to said column-shaped loaded dielectric, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said microstrip line is arranged so that a central axis of said microstrip line is shifted from a center of said feeding patch conductor.
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25. A dielectric loaded antenna apparatus comprising:
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a feeding line including a waveguide and a microstrip line; a column-shaped loaded dielectric loaded on an end portion of said feeding line, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric; and a converter inserted between said waveguide and said microstrip line, said converter matching impedance between said waveguide and said microstrip line.
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26. An array antenna apparatus comprising a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising:
a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide. - View Dependent Claims (27, 28, 29)
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30. An array antenna apparatus comprising a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising:
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a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide toward one of a polarization direction of the electromagnetic wave and a direction perpendicular to the polarization direction of the electromagnetic wave. - View Dependent Claims (31, 32, 33)
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34. An array antenna apparatus comprising a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising:
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a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said feeding waveguide is arranged so that a central axis of said feeding waveguide in an axial direction of said feeding waveguide is shifted from a center of said column-shaped radiation waveguide. - View Dependent Claims (35, 36, 37)
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38. An array antenna apparatus comprising a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses including a feeding line and a column-shaped loaded dielectric loaded on an end portion of said feeding line, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric,
wherein at least one of said plurality of dielectric loaded antenna apparatuses is removable based on an installation position of the array antenna apparatus.
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39. An array antenna apparatus comprising a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses including a feeding line and a column-shaped loaded dielectric loaded on an end portion of said feeding line, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric,
wherein said dielectric loaded antenna apparatuses are arranged so that linear polarized waves of electromagnetic waves radiated from each pair of said dielectric loaded antenna apparatuses arranged to be adjacent to each other among said dielectric loaded antenna apparatuses are perpendicular to each other.
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40. A radio communication apparatus comprising:
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a substrate; a dielectric loaded antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said dielectric loaded antenna apparatus, wherein said dielectric loaded antenna apparatus comprises; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide. - View Dependent Claims (41)
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42. A radio communication apparatus comprising:
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a substrate; a dielectric loaded antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said dielectric loaded antenna apparatus, wherein said dielectric loaded antenna apparatus comprises; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide toward one of a polarization direction of the electromagnetic wave and a direction perpendicular to the polarization direction of the electromagnetic wave. - View Dependent Claims (43)
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44. A radio communication apparatus comprising:
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a substrate; a dielectric loaded antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said dielectric loaded antenna apparatus, wherein said dielectric loaded antenna apparatus comprises; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said feeding waveguide is arranged so that a central axis of said feeding waveguide in an axial direction of said feeding waveguide is shifted from a center of said column-shaped radiation waveguide. - View Dependent Claims (45)
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46. A radio communication apparatus comprising:
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a substrate; an array antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said array antenna apparatus, wherein said array antenna apparatus comprises a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide. - View Dependent Claims (47)
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48. A radio communication apparatus comprising:
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a substrate; an array antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said array antenna apparatus, wherein said array antenna apparatus comprises a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said column-shaped loaded dielectric is arranged so that a central axis of said column-shaped loaded dielectric is shifted from a central axis of said radiation waveguide toward one of a polarization direction of the electromagnetic wave and a direction perpendicular to the polarization direction of the electromagnetic wave. - View Dependent Claims (49)
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50. A radio communication apparatus comprising:
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a substrate; an array antenna apparatus arranged on said substrate; and a radio transceiver circuit provided on a surface of said substrate or in said substrate, said radio transceiver circuit being connected with said array antenna apparatus, wherein said array antenna apparatus comprises a plurality of dielectric loaded antenna apparatuses apart from each other by a predetermined distance, each of said dielectric loaded antenna apparatuses comprising; a waveguide; and a column-shaped loaded dielectric loaded on an end portion of said waveguide, said column-shaped loaded dielectric having an inclined radiation surface which is inclined from a surface perpendicular to an axial direction of said column-shaped loaded dielectric, wherein said waveguide includes; a radiation waveguide having an axis parallel to the axial direction of said column-shaped loaded dielectric and including an opening for feeding an electromagnetic wave to said column-shaped loaded dielectric; and a feeding waveguide for feeding the electromagnetic wave to said radiation waveguide, and wherein said feeding waveguide is arranged so that a central axis of said feeding waveguide in an axial direction of said feeding waveguide is shifted from a center of said column-shaped radiation waveguide. - View Dependent Claims (51)
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Specification