US5880649A
Expired / Lapsed
US
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Multilayered frequency separator
Assignee: Proterial Ltd
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Filing: 1997-02-24
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Granted: 1999-03-09
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Expires: 2017-02-24
Abstract
Abstract A multilayered frequency separator comprising a plurality of insulating layers, and having at least two notch circuits. The notch circuit is constituted by pattern electrodes formed on interfaces of each of the insulating layers which construct the multilayer structure, and comprises a capacitor component connected to an inductance component. The multilayered frequency separator is suitably used for branching the frequency bands for dual-band handy phone.
Inventors
- 👤 Hiroyuki Tai
- 👤 Tsuyoshi Taketa
- 👤 Toshihiko Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:50
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q1/241; H01P; H01P1/00; H01P1/20; H01P1/213; H01P1/2135; H03; H03H; H03H7/00; H03H7/46; H03H7/463
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
136 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes constituting a frequency separator circuit, said frequency separator circuit comprising: a first notch circuit and a second notch circuit each of which comprises a capacitor component and an inductance component in parallel, one end of said first notch circuit being interconnected in parallel to one end of said second notch circuit to form a first terminal, and the other ends of said first and second notch circuits forming a second terminal and a third terminal; and an inductance component connected between one of said second and third terminals and ground; said first terminal being connected to an antenna of a dual-band handy phone, and each output terminal of said two notch circuits being connected to each communication circuit of two frequency bands.
Claim 2
Dependent Claim
136 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes constituting a frequency separator circuit, said frequency separator circuit comprising: a first notch circuit and a second notch circuit each of which comprises a capacitor component and an inductance component in parallel, one end of said first notch circuit being interconnected in parallel to one end of said second notch circuit to form a first terminal, and the other ends of said first and second notch circuits forming a second terminal and a third terminal; and an inductance component connected between one of said second and third terminals and ground; said first terminal being connected to an antenna of a dual-band handy phone, and each output terminal of said two notch circuits being connected to each communication circuit of two frequency bands.
Claim 3
Dependent Claim
29 words
The multilayered frequency separator according to claim 1, wherein said frequency separator circuit further comprises a capacitor component connected in series to said one of second and third terminals.
Claim 4
Dependent Claim
30 words
The multilayered frequency separator according to claim 1, wherein said frequency separator circuit further comprises a capacitor component connected between the other of said second and third terminals and ground.
Claim 5
Dependent Claim
57 words
The multilayered frequency separator according to claim 1, wherein said plurality of insulating layers having thereon pattern electrodes are laminated so that said pattern electrodes are laminated from a lower side to an upper side in the order of a ground electrode, a capacitor electrode for said capacitor component and an inductance electrode for said inductance component.
Claim 6
Dependent Claim
32 words
The multilayered frequency separator according to claim 1, wherein an inductance electrode for said grounded inductance component is formed at an upper side of the pattern electrodes for said two notch circuits.
Claim 7
Dependent Claim
27 words
The multilayered frequency separator according to claim 1, having a height of 1.0 to 1.7 mm and length/width dimensions of 2.0 to 4.5 mm×1.2 to 3.2 mm.
Claim 8
Dependent Claim
114 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes, and having at least two notch circuits each of which comprises a capacitor component and an inductance component in parallel or series, said at least two notch circuits being constituted by pattern electrodes formed on interfaces of each of said insulating layers, and said at least two notch circuits being interconnected in parallel with respect to an input terminal, wherein a pattern electrode for ground, a pattern electrode for said capacitor component and a pattern electrode for said inductance component are separately formed on respective insulating layers and laminated in said order from a lower side to an upper side.
Claim 9
Dependent Claim
114 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes, and having at least two notch circuits each of which comprises a capacitor component and an inductance component in parallel or series, said at least two notch circuits being constituted by pattern electrodes formed on interfaces of each of said insulating layers, and said at least two notch circuits being interconnected in parallel with respect to an input terminal, wherein a pattern electrode for ground, a pattern electrode for said capacitor component and a pattern electrode for said inductance component are separately formed on respective insulating layers and laminated in said order from a lower side to an upper side.
Claim 10
Dependent Claim
27 words
The multilayered frequency separator according to claim 7, having a height of 1.0 to 1.7 mm and length/width dimensions of 2.0 to 4.5 mm×1.2 to 3.2 mm.
Claim 11
Dependent Claim
29 words
The multilayered frequency separator according to claim 7, wherein an inductor component is connected between ground and an output terminal of one of said at least two notch circuits.
Claim 12
Dependent Claim
20 words
The multilayered frequency separator according to claim 9, wherein a capacitor component is connected in series to said output terminal.
Claim 13
Dependent Claim
29 words
The multilayered frequency separator according to claim 9, wherein a capacitor component is connected between ground and an output terminal of another of said at least two notch circuits.
Claim 14
Dependent Claim
34 words
The multilayered frequency separator according to claim 9, wherein an inductance electrode for said grounded inductance component is formed at the upper side of the pattern electrodes for said at least two notch circuits.
Claim 15
Dependent Claim
44 words
The multilayered frequency separator according to claim 7, wherein said input terminal is connected to an antenna of a dual-band handy phone, and each of output terminals of said at least two notch circuits is connected to each communication circuit of two frequency bands.
Claim 16
Dependent Claim
119 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes constituting a frequency separator circuit, said frequency separator circuit comprising: a first notch circuit and a second notch circuit each of which comprises a capacitor component and an inductance component in parallel, one end of said first notch circuit being interconnected in parallel to one end of said second notch circuit to form a first terminal, and the other ends of said first and second notch circuits forming a second terminal and a third terminal; an inductance component connected between one of said second and third terminals and ground; and a capacitor component connected between the other of said second and third terminals and ground.
Claim 17
Dependent Claim
119 words
A multilayered frequency separator comprising a plurality of insulating layers having thereon pattern electrodes constituting a frequency separator circuit, said frequency separator circuit comprising: a first notch circuit and a second notch circuit each of which comprises a capacitor component and an inductance component in parallel, one end of said first notch circuit being interconnected in parallel to one end of said second notch circuit to form a first terminal, and the other ends of said first and second notch circuits forming a second terminal and a third terminal; an inductance component connected between one of said second and third terminals and ground; and a capacitor component connected between the other of said second and third terminals and ground.
Claim 18
Dependent Claim
29 words
The multilayered frequency separator according to claim 14, wherein said frequency separator circuit further comprises a capacitor component connected in series to said one of second and third terminals.
Claim 19
Dependent Claim
57 words
The multilayered frequency separator according to claim 14, wherein said plurality of insulating layers having thereon pattern electrodes are laminated so that said pattern electrodes are laminated from a lower side to an upper side in the order of a ground electrode, a capacitor electrode for said capacitor component and an inductance electrode for said inductance component.
Claim 20
Dependent Claim
32 words
The multilayered frequency separator according to claim 14, wherein an inductance electrode for said grounded inductance component is formed at an upper side of the pattern electrodes for said two notch circuits.
Claim 21
Dependent Claim
27 words
The multilayered frequency separator according to claim 14, having a height of 1.0 to 1.7 mm and length/width dimensions of 2.0 to 4.5 mm×1.2 to 3.2 mm.
Claim 22
Dependent Claim
42 words
The multilayered frequency separator according to claim 14, wherein said first terminal is connected to an antenna of a dual-band handy phone, and each of output terminals of said two notch circuits is connected to each communication circuit of two frequency bands.
References Cited (Backward Citations)
US3015099A
Cited
US4186359A
Cited
JPS55149518A
Cited
JPS5640532A
Cited
US4382238A
Cited
JPS6216564A
Cited
US4910481A
Cited
JPH03216002A
Cited
JPH03244202A
Cited
JPH03272213A
Cited
JPH04207806A
Cited
JPH04304003A
Cited
US5285728A
Cited
JPH05167374A
Cited
US5515015A
Cited
JPH0685506A
Cited
EP0641035A2
Cited
EP0675560A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-03-08 | 2002-09-07 | 2003-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-08 | 2006-09-07 | 2007-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-08 | 2010-09-07 | 2011-03-09 | $7700.00 | Window Closed / Lapsed |