序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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141 | Variable integrated inductor | JP2008528460 | 2006-08-18 | JP2009506562A | 2009-02-12 | マットソン,トーマス |
【課題】2個以上の値の間で切替え可能なインダクタンス値を有する可変集積インダクタについて記載する。
【解決手段】好適な実施形態において、可変集積インダクタは、一対の2次インダクタに電磁結合されたマルチループ1次インダクタを含んでいる。 2次インダクタは互いに接続されて閉回路を形成しており、その内部で2次インダクタは、マルチループ1次インダクタにより出力されるインダクタンス値を変化させるように直列接続と並列接続との間で切替え可能な可変トポロジを有している。 一応用例において、可変集積インダクタは、マルチバンドRF無線トランシーバ(例えば、無線通信装置)で使用可能な種類である電圧制御発振器(VCO)内で用いられる。 他の応用例において、可変集積インダクタは、同調増幅器負荷、インピーダンス整合ネットワーク、デジタル制御発振器、または他の任意の種類の周波数選択LCネットワークに利用可能である。 【選択図】図14 |
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142 | Multilayer circuit provided with variable inductor, and method of manufacturing same | JP2006308719 | 2006-11-15 | JP2007142418A | 2007-06-07 | CAIRO MOLINS JOSEP IGNASI |
PROBLEM TO BE SOLVED: To realize at low cost a structure of a variable inductor that is easily producible by IC process, provides low power consumption, gives rise to no parasitic capacitance and can achieve a high Q-value. SOLUTION: The multilayer circuit has a plurality of conductive layers separated by respective dielectric layers, in which at least one variable inductor is formed, the variable inductor having: a conductive coil structure along a coil track in one thickest layer of the conductive layers; two ports connected with the coil structure; and a switch structure having at least one switch and selectively connecting at least one of the ports to one of a plurality of specific positions of the coil structure along the coil track in the one layer of the conductive layers, thereby providing a corresponding selective inductance value of the variable inductor across the two ports. COPYRIGHT: (C)2007,JPO&INPIT | ||||||
143 | Variable inductor for integrated circuits and printed wiring board | JP2006528040 | 2004-09-10 | JP2007507106A | 2007-03-22 | ジェシー、ダーリル |
【課題】集積回路および印刷配線板のための可変インダクタ。
【解決手段】1次コンダクタ、2次コンダクタ、及びスイッチを用いて集積回路上に可変インダクタを形成することが可能である。 1次コンダクタはインダクタを実現しそして種々のパターン(例えば渦巻)に形成されることが可能である。 2次コンダクタは1次コンダクタに近接して(例えば外側に)ループを形成する。 スイッチは2次コンダクタに直列に結合し、ループを開きあるいは閉じる。 インダクタのインダクタンスは、スイッチを用いてループを閉じそして開くことによって変えられる。 電流源もまた2次コンダクタと直列に結合され、インダクタンスを増加しあるいは減少する何れかのために2次コンダクタ内の電流を制御するために使用されることが可能である。 2個以上の別々なステップでインダクタンスを変化するために複数のループが形成されることが可能である。 【選択図】 図2Aおよび2B |
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144 | Variable inductor and high-frequency circuit module equipped with the same | JP2006156303 | 2006-06-05 | JP2006332683A | 2006-12-07 | KUNIHIRO KAZUAKI |
<P>PROBLEM TO BE SOLVED: To provide a high-frequency circuit module, capable of readily adjusting the gap of impedance and also responding to multibands or multimodes. <P>SOLUTION: A transmission line 41 and conductor plates 42 and 43 are formed by the conductor layer 25 of a multilayer substrate 1, and a variable inductor 40 is structured thereof. The inductance of the variable inductor 40 is changed reversibly, by selectively grounding the conductor plates 42 and 43 arranged, such that distance from the transmission line 41 are different onto switching elements SW1' and SW2'. Accordingly, the impedance of a high-frequency circuit is adjusted. <P>COPYRIGHT: (C)2007,JPO&INPIT | ||||||
145 | Filter | JP2005039458 | 2005-02-16 | JP2006229464A | 2006-08-31 | MIYATA YUICHI; MORIKADO HIROYUKI |
PROBLEM TO BE SOLVED: To provide a downsized filter whereby an FM radio receiver and / or an FM transmitter can be mounted on, e.g. a mobile apparatus. SOLUTION: The filter 100 includes one unbalanced input terminal 10 and two balanced output terminals (first and second balanced output terminals 12a, 12b), a capacitor C3a is connected between the first balanced output terminal 12a and GND, a capacitor C3b is connected between the second balanced output terminal 12b and GND, and further a first coil L1 is connected between the first and second balanced output terminals 12a and 12b. COPYRIGHT: (C)2006,JPO&NCIPI | ||||||
146 | マルチフェーズ用磁性素子とその製造方法 | JP2004530616 | 2003-08-25 | JPWO2004019352A1 | 2005-12-15 | 伸哉 松谷; 植松 秀典; 秀典 植松; 今西 恒次; 恒次 今西 |
複合磁性材料中に複数のコイルを埋設し、少なくとも2つ以上のコイル間には負の磁束の結合、または正の磁束の結合が存在するようにマルチフェーズ用磁性素子を構成する。この構成により、各種電子機器の大電流用途に適するマルチフェーズ用磁性素子であるインダクタ、チョークコイル等をより小型化する。このようなマルチフェーズ用磁性素子は、優れたリップル電流特性を有する。 | ||||||
147 | Multi-tap coil | JP2004522599 | 2003-06-25 | JP2005534218A | 2005-11-10 | エム セー ドルマンズ ウィルヘルムス; エス ファウシェル シセロ |
本発明はインダクタとキャパシタを備えるマルチバンド共振器回路に関する。 これらの共振器回路は集積回路上に実現される。 本発明ではインダクタをセンタータップ(2)と中間タップ(4,6)を備える1つの単一コイルで実現する。 | ||||||
148 | Transformer for communication | JP2003382189 | 2003-11-12 | JP2005150198A | 2005-06-09 | YAMASHITA AKIHIRO |
PROBLEM TO BE SOLVED: To improve common mode noise rejection performance with degree of balance of installation maintained, in a transformer for communication which is used for LAN apparatus or the like. SOLUTION: The transformer for communication is equipped with a magnetic core 1, a plurality of coils 2, 3 for transmission wound around the core 1, and an additional coil 4 which does not contribute to transmission rolled about so that it might be located between a plurality of the coils 2 and 3. Configuration which carries out electric connection of a middle point of lengthwise direction of the additional coil 4 to a fixed potential is used, The middle point which is equilibrium point of impedance is grounded, so that, while the degree of balance of installation is maintained, parasitic capacitance between the coils 2 and 3 for transmission is reduced, thereby improving common mode noise rejection performance. COPYRIGHT: (C)2005,JPO&NCIPI | ||||||
149 | Choke coil and electronic equipment using it | JP2003009444 | 2003-01-17 | JP2004221458A | 2004-08-05 | MATSUTANI SHINYA; IMANISHI TSUNEJI; UEMATSU SHUSUKE |
PROBLEM TO BE SOLVED: To provide a choke coil which causes little losses in a high frequency region and the inductance of which is little lowered by a superposed direct current even under a high current condition to cope with the miniaturization and thickness reduction of electronic equipment and speed up/integration of LSIs, such as CPUs etc., of these days and predicted various future circuit configurations. SOLUTION: The choke coil is composed of a coil 1 formed by punching a flat metallic sheet and bending the punched piece and integrated with terminals and an intermediate tap, and a magnetic material 8 in which the coil 1 integrated with the terminals and tap is buried. Consequently, a choke coil that can cope with the miniaturization/frequency increase of electronic equipment and is effective for predicted various future circuit configurations can be realized. COPYRIGHT: (C)2004,JPO&NCIPI | ||||||
150 | Variable inductance element | JP2000104790 | 2000-04-06 | JP3435636B2 | 2003-08-11 | 正彦 川口; 直樹 飯田 |
151 | Variable capacitor, variable inductor, and high frequency circuit module provided therewith | JP2001255750 | 2001-08-27 | JP2003068571A | 2003-03-07 | KUNIHIRO KAZUAKI |
PROBLEM TO BE SOLVED: To provide a high frequency circuit module capable of easily adjusting deviation of impedance and coping even with multiple bands and multiple modes. SOLUTION: Conductor plates 31, 32, 33 and 34 are formed by the conductor layers 26 and 28 of a multilayered substrate 1, and a variable capacitor 30 is constituted of them. A transmission line 41 and the conductor plates 42 and 43 are formed by the conductor layer 25 of the multilayered substrate 1, and a variable inductor 40 is constituted of them. A combination of the conductor plates 31, 32, 33 and 34 operated as an electrode couple of the variable capacitor 30 is changed by switch elements SW1 and SW2, and capacitance of the variable capacitor 30 is changed. The conductor plates 42 and 43 arranged so as to be at different distances from the transmission line 41 are selectively grounded by the switched elements SW1' and SW2', and inductance of the variable inductor 40 is changed. By them, the impedance of a high frequency circuit is adjusted. COPYRIGHT: (C)2003,JPO | ||||||
152 | Variable inductor device | JP30908297 | 1997-11-11 | JP3250503B2 | 2002-01-28 | 一義 内山; 正彦 川口; 勝治 松田; 直樹 飯田 |
153 | Variable inductance device and its manufacturing method | JP2000061782 | 2000-03-07 | JP2001250725A | 2001-09-14 | IIDA NAOKI; KAWAGUCHI MASAHIKO |
PROBLEM TO BE SOLVED: To provide a variable inductance device which has a high-Q and a wide variable range of inductance. SOLUTION: Two trimming grooves 10a and 10b are cut in a conductor pattern 2 in parallel, extending from the one edge of the pattern 2. Other two trimming grooves 11a and 11b are cut in the conductor pattern 2 in parallel, extending from the other edge of the pattern 2. The trimming grooves 10a, 10b and 11a, 11b are formed, traversing a virtual line P that is connected between the ends 2a and 2b which are led out to serve as input/output terminals. By this setup, a rectangular dummy pattern region 3a used for prevention of interference in a magnetic field is formed between the trimming grooves 10a and 10b, and a rectangular dummy pattern region 3b used for prevention of interference in a magnetic field is formed between the trimming grooves 11a and 11b. A meandering inductor pattern region 4 is provided to the conductor pattern 2 other than the dummy pattern regions 3a and 3b. COPYRIGHT: (C)2001,JPO | ||||||
154 | Variable inductance element | JP2687699 | 1999-02-04 | JP2000223318A | 2000-08-11 | IIDA NAOKI; KAWAGUCHI MASAHIKO; UCHIYAMA KAZUYOSHI |
PROBLEM TO BE SOLVED: To provide a variable inductance element, including at least two coils having a compact area on a printed substrate and capable of stably controlling the inductance with good balance and ease. SOLUTION: Two meandering coils 22, having trimming electrodes 4a-4f between them, are formed on an insulating substrate 1. The trimming electrodes 4a-4f are arranged outside the region where coils 2, 3 are formed and are electrically connected to the coils 2, 3. Inductance is made to change by cutting the trimming electrodes 4a-4f by having them irradiated with a laser beam. | ||||||
155 | noise filter | JP14606394 | 1994-06-28 | JP2763861B2 | 1998-06-11 | KAKU TON |
156 | Load selector for voltage regulating transformer | JP12627683 | 1983-07-13 | JPS5928307A | 1984-02-15 | RAINHARUTO SHIYUMITSUTO |
157 | Thin variable transformer | JP18002281 | 1981-11-10 | JPS5880813A | 1983-05-16 | SUGIHARA HOSAKI |
PURPOSE:To obtain variety of the secondary output voltages which are difficult to represent by the ratio of integers by a method wherein the ferrite plate for the primary coil whereon a projection is provided and the ferrite plate for the secondary coil whereon a plurality of projections are provided are abutted to each other, the primary coil surrounding the former projection is mounted, while a plurality of the secondary coils surrounding the different combination of the latter plurality of projections are mounted. CONSTITUTION:The secondary coils A-A' are so loaded as to surround projections 22, 23, 24, 25, 26, 27, 28, 29, 291 provided on the ferrite plate 2, and the secondary coils C-C are so loaded as to surround projections 27, 29, 291. The projection 11 of the ferrite plate 1 whereon the primary coils D-D' are loaded are butt-joined to projections 21, 22, 23, 24, 25, 26, 27, 28, 29, 291 of the ferrite plate 2. The variety of the secondary output voltages which are not limited to the multiple of integers is obtained by variously performing the coil wiring of the ferrite plate 2. | ||||||
158 | On-load tap-changing transformer | JP11774081 | 1981-07-29 | JPS5821309A | 1983-02-08 | WATANABE MASARU; HOSHI MINORU; KIKUCHI SHIGEO |
PURPOSE: To improve fluctuations in high and low tension wirings magnetomotive force by a method wherein the high tension conductor at the other side is wound together with the fine tap coil conductor, in a transformer wherein a coarse tap coil is connected to a terminal side and a fine tap coil is arranged at a location where the direction of winding is different from that of the coarse tap coil and selection is made by means of a transposition switch. CONSTITUTION: A high tension winding 1 with a high tension channel terminal 6 is wound about an iron core, not illustrated, in a top and bottom parallel application. A coarse tap coil 2 is connected to the other terminal side of the high tension coil 1 while a fine tap coil 3 is arranged at a position with the direction of winding different from the coil 2. A part of the high tension winding 1 constituting the other terminal side portion 1A is wound together with the conductor of the coil 3, and the selection between the coils 2 and 3 is effected by means of a transposition switch 8. This realizes a transformer with increased insulating stages. COPYRIGHT: (C)1983,JPO&Japio | ||||||
159 | 共振型電力伝送装置、送信側電力伝送装置及び受信側電力伝送装置 | JP2016508365 | 2014-03-18 | JPWO2015140917A1 | 2017-04-06 | 阿久澤 好幸; 好幸 阿久澤; 酒井 清秀; 清秀 酒井; 俊裕 江副; 有基 伊藤 |
コイル長が切替えられることでインダクタンス値を可変とする共振型の送信アンテナ13と、送信アンテナ13に直列接続されたキャパシタ12と、コイル長が切替えられることでインダクタンス値を可変とし、送信アンテナ13からの電力を受信する共振型の受信アンテナ21と、受信アンテナ21に直列接続されたキャパシタ22と、送信アンテナ13及び受信アンテナ21のコイル長を切替えることで共振周波数を切替える可変制御回路14,23とを備え、送信アンテナ13及び受信アンテナ21は、共振周波数をKHz帯からMHz帯の範囲で切替えるようにコイル長を切替え可能とする。 | ||||||
160 | インダクタ装置及び半導体装置 | JP2013017678 | 2013-01-31 | JP6105304B2 | 2017-03-29 | 内田 慎一; 中柴 康隆 |