Patent US5870066A successfully refreshed from Google Patents.
US5870066A
Expired / Lapsed
US
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Chip antenna having multiple resonance frequencies
Assignee: Murata Manufacturing Co Ltd
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Filing: 1996-10-22
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Granted: 1999-02-09
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Expires: 2016-10-22
Abstract
Abstract A chip antenna comprising a substrate comprising at least one material selected from dielectric materials and magnetic materials, at least two conductors formed on at least one surface of the substrate or inside the substrate, and at least one feeding terminal provided on the surface of the substrate for applying a voltage to the conductors.
Inventors
- 👤 Kenji Asakura
- 👤 Harufumi Mandai
- 👤 Teruhisa Tsuru
- 👤 Seiji Kanba
- 👤 Tsuyoshi Suesada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:38
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/30; H01Q1/00; H01Q1/36; H01Q1/362; H01Q1/38; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/314; H01Q5/321; H01Q5/342; H01Q5/357; H01Q5/364; H01Q5/371
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
191 words
A chip antenna comprising: a substrate comprising a plurality of sheet layers stacked on each other, said sheet layers each comprising at least one of a dielectric material and a magnetic material, the sheet layers each having a surface, the surface of each layer establishing a stacking direction normal to the surface of each layer, the substrate comprising the plurality of sheet layers having a substrate surface; a first conductor disposed inside said substrate; a second conductor disposed inside said substrate; at least one feeding terminal provided on the surface of said substrate for applying a voltage to at least one of said conductors; wherein a plurality of first conductive patterns and a plurality of second conductive patterns are provided on respective surfaces of said sheet layers; said first and second conductors being formed respectively by said plurality of first conductive patterns and said plurality of second conductive patterns, the first and second conductors extending one of meanderingly and spirally perpendicular to the stacking direction of said substrate, and each of said first and second conductors has a different resonance frequency wherein the chip antenna has at least two resonance frequencies.
Claim 2
Dependent Claim
191 words
A chip antenna comprising: a substrate comprising a plurality of sheet layers stacked on each other, said sheet layers each comprising at least one of a dielectric material and a magnetic material, the sheet layers each having a surface, the surface of each layer establishing a stacking direction normal to the surface of each layer, the substrate comprising the plurality of sheet layers having a substrate surface; a first conductor disposed inside said substrate; a second conductor disposed inside said substrate; at least one feeding terminal provided on the surface of said substrate for applying a voltage to at least one of said conductors; wherein a plurality of first conductive patterns and a plurality of second conductive patterns are provided on respective surfaces of said sheet layers; said first and second conductors being formed respectively by said plurality of first conductive patterns and said plurality of second conductive patterns, the first and second conductors extending one of meanderingly and spirally perpendicular to the stacking direction of said substrate, and each of said first and second conductors has a different resonance frequency wherein the chip antenna has at least two resonance frequencies.
Claim 3
Dependent Claim
19 words
A chip antenna according to claim 1, wherein said first and second conductors connect with each other in series.
Claim 4
Dependent Claim
19 words
A chip antenna according to claim 1, wherein said first and second conductors connect with each other in parallel.
Claim 5
Dependent Claim
26 words
A chip antenna according to claim 1, wherein said chip antenna further comprises at least one fixing terminal to fix said substrate to a mounting board.
Claim 6
Dependent Claim
49 words
A chip antenna according to claim 1, wherein a first feeding terminal is provided on the surface of said substrate for applying a voltage to said first conductor, and a second feeding terminal is provided on the surface of said substrate for applying a voltage to said second conductor.
Claim 7
Dependent Claim
38 words
A chip antenna according to claim 1, wherein the first conductor is disposed on a surface of a first layer and the second conductor is disposed on a surface of a second layer, said layers being laminated together.
Claim 8
Dependent Claim
29 words
A chip antenna according to claim 6, wherein the first and second conductors are coupled together by a conductive through hole disposed through at least one of the layers.
Claim 9
Dependent Claim
87 words
A chip antenna according to claim 1 wherein portions of said first conductor are disposed on at least two layers, portions of said second conductor are disposed on at least two layers, a conductive through hole being provided in at least one of said layers connecting respective portions of the first conductor together when the layers are laminated together and a conductive through hole being provided in at least one of said layers connecting respective portions of the second conductor together when the layers are laminated together.
Claim 10
Dependent Claim
18 words
A chip antenna according to claim 1, wherein the first and second conductor each have a feeding terminal.
Claim 11
Dependent Claim
18 words
A chip antenna according to claim 1, wherein at least one of said conductors has a free end.
Claim 12
Dependent Claim
15 words
A chip antenna according to claim 1, wherein both said conductors have a free end.
Claim 13
Dependent Claim
16 words
A chip antenna according to claim 1, wherein the conductors comprise copper or a copper alloy.
Claim 14
Dependent Claim
20 words
A chip antenna according to claim 1, wherein the substrate comprises a combination of a dielectric and a magnetic material.
Claim 15
Dependent Claim
18 words
A chip antenna according to claim 1, wherein the dielectric material comprises barium oxide, aluminum oxide and silica.
Claim 16
Dependent Claim
21 words
A chip antenna according to claim 1, wherein the dielectric material comprises at least one of titanium oxide and neodymium oxide.
Claim 17
Dependent Claim
20 words
A chip antenna according to claim 1, wherein the magnetic material comprises at least one of nickel, cobalt and iron.
Claim 18
Dependent Claim
15 words
A chip antenna according to claim 1, wherein the chip antenna has three resonance frequencies.
Claim 19
Dependent Claim
34 words
A chip antenna according to claim 17, wherein at least two of the resonance frequencies are spaced close together so that an area of extended bandwidth can be achieved near the two resonance frequencies.
Claim 20
Dependent Claim
14 words
A chip antenna according to claim 1, wherein the substrate comprises a rectangular parallelopiped.
Claim 21
Dependent Claim
16 words
A chip antenna according to claim 1, wherein said first conductor has a rectangular cross section.
Claim 22
Dependent Claim
15 words
A chip antenna according to claim 1, wherein said second conductor has a rectangular cross-section.
Claim 23
Dependent Claim
124 words
A chip antenna comprising: a substrate comprising at least one of a dielectric material and a magnetic material, said substrate comprising a plurality of laminated layers each having a surface; a plurality of conductors each disposed inside the substrate, at least a portion of each conductor being disposed on at least one of said layers, each of said conductors extending one of spirally and meanderingly along and about a longitudinal axis of the substrate, the longitudinal axis being parallel to the surfaces of said plurality of layers; at least one feeding terminal provided on a surface of the substrate for applying a voltage to at least one of the conductors; and said plurality of conductors providing said antenna with a plurality of resonance frequencies.
Claim 24
Dependent Claim
124 words
A chip antenna comprising: a substrate comprising at least one of a dielectric material and a magnetic material, said substrate comprising a plurality of laminated layers each having a surface; a plurality of conductors each disposed inside the substrate, at least a portion of each conductor being disposed on at least one of said layers, each of said conductors extending one of spirally and meanderingly along and about a longitudinal axis of the substrate, the longitudinal axis being parallel to the surfaces of said plurality of layers; at least one feeding terminal provided on a surface of the substrate for applying a voltage to at least one of the conductors; and said plurality of conductors providing said antenna with a plurality of resonance frequencies.
Claim 25
Dependent Claim
123 words
A chip antenna comprising: a substrate comprising at least one of a dielectric material and a magnetic material, said substrate comprising a plurality of laminated layers each having a surface; a first conductor disposed inside said substrate; a second conductor disposed inside said substrate; and at least one feeding terminal provided on the surface of said substrate for applying a voltage to at least one of said conductors; said first and second conductors each having a different resonance frequency wherein the chip antenna has at least two resonance frequencies, said first and second conductors extending one of spirally and meanderingly along and about a longitudinal axis of the substrate, the longitudinal axis being parallel to the surfaces of said plurality of laminated layers.
Claim 26
Dependent Claim
123 words
A chip antenna comprising: a substrate comprising at least one of a dielectric material and a magnetic material, said substrate comprising a plurality of laminated layers each having a surface; a first conductor disposed inside said substrate; a second conductor disposed inside said substrate; and at least one feeding terminal provided on the surface of said substrate for applying a voltage to at least one of said conductors; said first and second conductors each having a different resonance frequency wherein the chip antenna has at least two resonance frequencies, said first and second conductors extending one of spirally and meanderingly along and about a longitudinal axis of the substrate, the longitudinal axis being parallel to the surfaces of said plurality of laminated layers.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2002-02-08 | 2002-08-10 | 2003-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-08 | 2006-08-10 | 2007-02-09 | $3760.00 | Window Closed / Lapsed |
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