Patent US6281848B1 successfully refreshed from Google Patents.
US6281848B1
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US
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Antenna device and communication apparatus using the same
Assignee: Murata Manufacturing Co Ltd
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Filing: 2000-05-22
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Granted: 2001-08-28
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Expires: 2020-05-22
Abstract
Abstract An antenna device comprising: a feeding radiation electrode and a non-feeding radiation electrode separately disposed on a surface of a dielectric substrate; a short circuit part of the feeding radiation electrode and a short circuit part of the non-feeding radiation electrode adjacently disposed to each other on one side surface of the dielectric substrate; and an open end of the feeding radiation electrode and an open end of the non-feeding radiation electrode disposed on mutually different surface sides of the dielectric substrate other than the surface on which said short circuit parts are disposed.
Inventors
- 👤 Shoji Nagumo
- 👤 Nobuhito Tsubaki
- 👤 Kazunari Kawahata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:05
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/20; H01Q13/26; H01Q19/00; H01Q19/005; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q1/241; H01Q1/242; H01Q1/243; H01Q5/00; H01Q5/30; H01Q5/378; H01Q9/00; H01Q9/04; H01Q9/0407; H01Q9/0421
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
94 words
An antenna device comprising: a feeding radiation electrode and a non-feeding radiation electrode separately disposed on a surface of a dielectric substrate; a short circuit part of the feeding radiation electrode and a short circuit part of the non-feeding radiation electrode adjacently disposed to each other on one side surface of the dielectric substrate; and an open end of the feeding radiation electrode and an open end of the non-feeding radiation electrode disposed on mutually different surface sides of the dielectric substrate other than the surface on which said short circuit parts are disposed.
Claim 2
Dependent Claim
94 words
An antenna device comprising: a feeding radiation electrode and a non-feeding radiation electrode separately disposed on a surface of a dielectric substrate; a short circuit part of the feeding radiation electrode and a short circuit part of the non-feeding radiation electrode adjacently disposed to each other on one side surface of the dielectric substrate; and an open end of the feeding radiation electrode and an open end of the non-feeding radiation electrode disposed on mutually different surface sides of the dielectric substrate other than the surface on which said short circuit parts are disposed.
Claim 3
Dependent Claim
36 words
The antenna device of claim 1 , wherein the open end of the feeding radiation electrode and the open end of the non-feeding radiation electrode are disposed on mutually opposing surface sides of the dielectric substrate.
Claim 4
Dependent Claim
50 words
The antenna device of claim 2 , wherein the feeding radiation electrode and the non-feeding radiation electrode are disposed so as to cause a direction of oscillation of the feeding radiation electrode and a direction of oscillation of the non-feeding radiation electrode to cross each other in substantially perpendicular directions.
Claim 5
Dependent Claim
151 words
The antenna device of claim 2 , wherein the dielectric substrate is in a shape of a rectangular parallelepiped, one of the feeding radiation electrode and the non-feeding radiation electrode being disposed along an edge on the top surface of the dielectric substrate over a quadrilateral area that covers substantially the whole length of the edge, a second of the two electrodes being disposed within the remaining area of the top surface, the second electrode having an open end covering substantially the whole length of another edge of the top surface opposed to the area on which said first electrode is disposed, a periphery of the first electrode adjacent to said second electrode being curved in a direction in which a distance between the periphery and said second electrode increases along the direction from one side of a width of the quadrilateral area of said first electrode to the other side.
Claim 6
Dependent Claim
27 words
The antenna device of claim 2 , wherein at least one of the feeding radiation electrode and the non-feeding radiation electrode is formed in a meandering shape.
Claim 7
Dependent Claim
17 words
The antenna device of claim 2 , wherein the dielectric substrate has at least one cavity therein.
Claim 8
Dependent Claim
63 words
The antenna device of claim 2 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 9
Dependent Claim
50 words
The antenna device of claim 1 , wherein the feeding radiation electrode and the non-feeding radiation electrode are disposed so as to cause a direction of oscillation of the feeding radiation electrode and a direction of oscillation of the non-feeding radiation electrode to cross each other in substantially perpendicular directions.
Claim 10
Dependent Claim
151 words
The antenna device of claim 8 , wherein the dielectric substrate is in a shape of a rectangular parallelepiped, one of the feeding radiation electrode and the non-feeding radiation electrode being disposed along an edge on the top surface of the dielectric substrate over a quadrilateral area that covers substantially the whole length of the edge, a second of the two electrodes being disposed within the remaining area of the top surface, the second electrode having an open end covering substantially the whole length of another edge of the top surface opposed to the area on which said first electrode is disposed, a periphery of the first electrode adjacent to said second electrode being curved in a direction in which a distance between the periphery and said second electrode increases along the direction from one side of a width of the quadrilateral area of said first electrode to the other side.
Claim 11
Dependent Claim
27 words
The antenna device of claim 8 , wherein at least one of the feeding radiation electrode and the non-feeding radiation electrode is formed in a meandering shape.
Claim 12
Dependent Claim
17 words
The antenna device of claim 8 , wherein the dielectric substrate has at least one cavity therein.
Claim 13
Dependent Claim
63 words
The antenna device of claim 8 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 14
Dependent Claim
151 words
The antenna device of claim 1 , wherein the dielectric substrate is in a shape of a rectangular parallelepiped, one of the feeding radiation electrode and the non-feeding radiation electrode being disposed along an edge on the top surface of the dielectric substrate over a quadrilateral area that covers substantially the whole length of the edge, a second of the two electrodes being disposed within the remaining area of the top surface, the second electrode having an open end covering substantially the whole length of another edge of the top surface opposed to the area on which said first electrode is disposed, a periphery of the first electrode adjacent to said second electrode being curved in a direction in which a distance between the periphery and said second electrode increases along the direction from one side of a width of the quadrilateral area of said first electrode to the other side.
Claim 15
Dependent Claim
27 words
The antenna device of claim 13 , wherein at least one of the feeding radiation electrode and the non-feeding radiation electrode is formed in a meandering shape.
Claim 16
Dependent Claim
17 words
The antenna device of claim 13 , wherein the dielectric substrate has at least one cavity therein.
Claim 17
Dependent Claim
63 words
The antenna device of claim 13 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 18
Dependent Claim
27 words
The antenna device of claim 1 , wherein at least one of the feeding radiation electrode and the non-feeding radiation electrode is formed in a meandering shape.
Claim 19
Dependent Claim
17 words
The antenna device of claim 17 , wherein the dielectric substrate has at least one cavity therein.
Claim 20
Dependent Claim
63 words
The antenna device of claim 17 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 21
Dependent Claim
16 words
The antenna device of claim 1 , wherein dielectric substrate has at least one cavity therein.
Claim 22
Dependent Claim
63 words
The antenna device of claim 20 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 23
Dependent Claim
63 words
The antenna device of claim 1 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 24
Dependent Claim
33 words
The antenna device of claim 22 , wherein the mounting board has an elongated quadrilateral-shape and the non-feeding radiation electrode is disposed along an edge of a longer side of the mounting board.
Claim 25
Dependent Claim
98 words
A communication apparatus having an antenna device comprising: a feeding radiation electrode and a non-feeding radiation electrode separately disposed on a surface of a dielectric substrate; a short circuit part of the feeding radiation electrode and a short circuit part of the non-feeding radiation electrode adjacently disposed to each other on one side surface of the dielectric substrate; and an open end of the feeding radiation electrode and an open end of the non-feeding radiation electrode disposed on mutually different surface sides of the dielectric substrate other than the surface on which said short circuit parts are disposed.
Claim 26
Dependent Claim
98 words
A communication apparatus having an antenna device comprising: a feeding radiation electrode and a non-feeding radiation electrode separately disposed on a surface of a dielectric substrate; a short circuit part of the feeding radiation electrode and a short circuit part of the non-feeding radiation electrode adjacently disposed to each other on one side surface of the dielectric substrate; and an open end of the feeding radiation electrode and an open end of the non-feeding radiation electrode disposed on mutually different surface sides of the dielectric substrate other than the surface on which said short circuit parts are disposed.
Claim 27
Dependent Claim
35 words
The communication apparatus of claim 24 wherein the open end of the feeding radiation electrode and the open end of the non-feeding radiation electrode are disposed on mutually opposing surface sides of the dielectric substrate.
Claim 28
Dependent Claim
50 words
The communication apparatus of claim 24 , wherein the feeding radiation electrode and the non-feeding radiation electrode are disposed so as to cause a direction of oscillation of the feeding radiation electrode and a direction of oscillation of the non-feeding radiation electrode to cross each other in substantially perpendicular directions.
Claim 29
Dependent Claim
151 words
The communication apparatus of claim 24 , wherein the dielectric substrate is in a shape of a rectangular parallelepiped, one of the feeding radiation electrode and the non-feeding radiation electrode being disposed along an edge on the top surface of the dielectric substrate over a quadrilateral area that covers substantially the whole length of the edge, a second of the two electrodes being disposed within the remaining area of the top surface, the second electrode having an open end covering substantially the whole length of another edge of the top surface opposed to the area on which said first electrode is disposed, a periphery of the first electrode adjacent to said second electrode being curved in a direction in which a distance between the periphery and said second electrode increases along the direction from one side of a width of the quadrilateral area of said first electrode to the other side.
Claim 30
Dependent Claim
27 words
The communication apparatus of claim 24 , wherein at least one of the feeding radiation electrode and the non-feeding radiation electrode is formed in a meandering shape.
Claim 31
Dependent Claim
17 words
The communication apparatus of claim 24 , wherein the dielectric substrate has at least one cavity therein.
Claim 32
Dependent Claim
63 words
The communication apparatus of claim 24 , wherein the dielectric substrate on which the feeding radiation electrode and the non-feeding radiation electrode are disposed is mounted on a corner portion of a mounting board having a quadrilateral shape and said feeding radiation electrode and said non-feeding radiation electrode disposed on the dielectric substrate are disposed along an edge portion of the mounting board.
Claim 33
Dependent Claim
33 words
The communication apparatus of claim 30 , wherein the mounting board has an elongated quadrilateral-shape and the non-feeding radiation electrode is disposed along an edge of a longer side of the mounting board.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-08-27 | 2005-02-26 | 2005-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-27 | 2009-02-26 | 2009-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-27 | 2013-02-26 | 2013-08-28 | $7700.00 | Window Closed / Lapsed |