baber/WOPTO huggingface dataset:
Patent JP-2007179402-A (JP)
Title: Intruder-detecting system
Inventor: NISHIGAKI SHOJIRO
IPC: H04B5/02
Filed: 2005-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a detection range/detection time have to be set, depending on the position of a monitoring camera, the position of video or switching of a monitoring camera, and precision in setting a detection range is low, and setting are complex, to readily detect the presence or the absence of an intruder and the location where intrusion is made even for a large-scale intruder-detecting system which detects intruders at factories, substations, airports or the like.  <P>SOLUTION: An intruder-detecting system is provided with a leakage transmission line 21 on the transmission side and a leakage transmission line 22 on the reception side, with these leakage transmission lines having a plurality of leak spots 21TH, 21TH, ..., 22TH, 22TH, ... which are dotted in the direction in which these leakage transmission lines are extended; an intrusion location detection function part 51 which detects the position, at which an intrusion is made by an intruder, from a state of each reception signal by leakage radio waves at each leakage spot in a receiving circuit on the reception side; and a detection table 521 which associates detectable intrusion locations with the detection areas. The system outputs the result of detection, if intrusion location detection information in the intrusion location detection function part 51 corresponds to a detection area in the detection table 521.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007176400-A (JP)
Title: Vertical vibration control device for railway vehicle
Inventor: SEHATA MICHIO
IPC: B61F5/10
Filed: 2005-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vertical vibration control device for a railway vehicle capable of excellently tilting a vehicle body and controlling vertical vibration of the vehicle body in response to speeding-up of railway vehicles, and capable of assisting the vehicle body to tilt.  <P>SOLUTION: The railway vehicle is provided with the vehicle body 3 supported on a bogie 1 through pneumatic springs 2, and a vehicle body tilting device for tilting the vehicle body 3 with the amount of extension and shrinkage of the pneumatic springs 2. A control unit 12, to which results of detection by acceleration detecting means 11a and 11b for detecting vertical vibration acceleration of the vehicle body 3 are input for control, controls an upper and a lower hydraulic actuators 10a and 10b based on a signal compensating the control input to restrict vibration of the vehicle body 3. A selector valve is provided to communicate or shut each of hydraulic pressure chambers of the upper and the lower hydraulic actuators 10a and 10b.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007178916-A (JP)
Title: Manufacturing method of color filter, color filter, and liquid crystal display device
Inventor: OTANI SHIGEAKI
IPC: G02B5/20
Filed: 2005-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a color filter free of voids.  <P>SOLUTION: The manufacturing method of the color filter comprises forming colored layers by forming deep color separating picture walls having light shieldability on a substrate, and spraying and depositing inks of R, G and B by an ink jet system to recessed parts compartmentalized by the deep color separating picture walls, and satisfying the following (a), (b) and (c): (a) The ink is a polymerizable ink containing a colorant, a polymerizable compound, and a polymerization initiator and having a solvent amount in the ink of ≤50mass%; (b): The corner convex to the deep color separating picture wall side when the boundary line between the colored layer and the deep color separating picture wall is observed from the thickness direction colored layer forming side of the substrate is a curve shape of ≥0.5 μm in the radius of curvature, and (c): The colored layers are formed by spraying and depositing the inks of R, G and B, then curing the same by active energy rays.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007167603-A (JP)
Title: Knapsack with uniform-like design
Inventor: NAGAMORI FUKUO
IPC: A45F3/04
Filed: 2005-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To arouse identity by having a uniform-like design unified in particular as a whole in regard to a knapsack for storing articles.  <P>SOLUTION: This knapsack is provided with a display part 8 of a design expressing a front collar, a display part 9 of a design expressing the name, and a display part 10 of a design expressing a mark on the surface display part 6 of a wrapper 1 sewn into a bag shape and having a loading opening 2; and a display part 11 of a design expressing the back collar and a display part 12 of a design expressing a number on the back side display part 7 of the wrapper 1.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006511343-A (JP)
Title: 急速固化材料用の複数コンポーネントスプレーガン
IPC: B01F13/00
Filed: 2003-10-22
Abstract: 複数コンポーネントスプレーガン（１）は発泡材料、ポリ尿素その他の急速固化材料を噴霧するように設計されている。この目的のために、ガン（１）は最小の工具で容易に使用できるように設計されている。たとえば、サイドシールカートリッジ（１８）及び（２０）は、保持リング（９）を取り外して、それらのカートリッジを流体ハウジング（１１）からから引き抜くことによって、工具を使用せずに着脱可能である。カートリッジ（１８）及び（２０）は容易に分解して清掃できる。同様に、流体ハウジング（１１）はロックリング（７）を手で回すことによってハンドル／本体（１）から取り外すことができる。
Patent JP-2006516369-A (JP)
Title: 高調波関係における連続波形を用いるスペクトラム拡散の送受信
IPC: H04B1/69
Filed: 2003-08-12
Abstract: 持続波形を用いてスペクトラム拡散信号を送信し、受信するシステムおよび方法について記載する。スペクトラム拡散信号を送信する方法は、複数のおおむね持続波形を生成して、複数のおおむね持続波形を積算して、積算した複数のおおむね持続波形を変調してスペクトラム拡散信号を生成して、スペクトラム拡散信号を送信することを含む。スペクトラム拡散信号を受信する方法は、複数のおおむね持続波形を生成して、複数のおおむね持続波形を積算して、積算した複数のおおむね持続波形を、コードを用いて変調して、変調した積算した複数のおおむね持続波形を、スペクトラム拡散信号を用いて混合してベースバンド信号を生成して、ベースバンド信号を積分して、データを検出することを含む。
Patent JP-2006501791-A (JP)
Title: ＶｏＩＰ基盤コレクトコールサービス方法及びそのシステム
IPC: H04L12/70
Filed: 2003-11-14
Abstract: 本発明は、コレクトコールサービス方法に関するすることで、受信者が受信端末の位置及び／または受信端末形態によって均一な利用料金を支払うことができるように、発信者−受信者間の号を受信者が利用料金を支払わなくても良い一定区間のVoIP網と受信者が利用料金を支払う一定区間の通信網を通じて連結させるVoIP基盤コレクトコールサービス方法と、これを基盤とした専門相談サービスを提供することができる方法及びその装置に関するものである。本発明の好適実施例によれば、VoIP網を通じて受信されたコレクトコール通話要請に対応して第１リンクが設定されれば、前記コレクトコール交換機が受信者端末を呼び出して第２リンクを設定し、前記第２リンクに対する課金を始めるVoIPシステムを用いるコレクトコールサービス提供方法及びそのシステムが提供される。
Patent JP-2007521051-A (JP)
Title: マルチ方位で使用できる塗布用具
IPC: A61F13/40
Filed: 2003-12-05
Abstract: 【解決手段】マルチ方位で使用できる塗布用具であって、細長い管体と、使用先端と、細長い管状殻体を含み、前記細長い管体には密封末端及び開放末端を有し、複数個の刻み線が前記細長い管体の長さ方向に対して垂直に刻んである。前記細長い管体は、下記のような方式で管状殻体に固定されている、二つの末端は前記細長い管体の両方の末端に近いところで密封されており、ユーザーが前記細長い管状殻体及び前記細長い管体を折り曲げると、前記細長い管体に刻み込まれた刻み線が裂けて、前記細長い管状殻体の中の前記液体が前記裂け目を経由して前記細長い管状殻体から押し出され、前記細長い管体及び前記使用先端へ入り込む。 【選択図】図１
Patent JP-2006521487-A (JP)
Title: 流体ポンプ、特に燃料高圧ポンプ
IPC: F16L55/053
Filed: 2004-09-29
Abstract: 流体ポンプ（２０）、特に燃料高圧ポンプは、ケーシング（５０）と、インレット側の少なくとも１つの低圧接続部（１８）とを有している。さらに、インレット弁（４０）と、フィード部材（３０）により画定されるフィード室（３２）とが存在している。流体ポンプ（２０）が、インレット側の圧力変動を緩衝する圧力緩衝器（４８）を有しており、該圧力緩衝器（４８）が、少なくとも１つの圧縮性の体積（７６）を有しており、該圧縮性の体積（７６）が直接低圧接続部（１８）とインレット弁（４０）との間の流動経路（４６）内に配置されているようにした。
Patent JP-2006514446-A (JP)
Title: 広いダイナミックレンジを有する画像受光デバイス
IPC: H04N5/355
Filed: 2004-02-07
Abstract: ＣＭＯＳプロセスにおいて高感度および広いダイナミックレンジを有する画像受光デバイスを開示する。この画像受光デバイスは、通常の３トランジスタおよび受光部の構造に追加した特別な目的のキャパシタトランジスタを含む。前記キャパシタトランジスタは、容量ノードと浮遊拡散ノードにそれぞれ接続された第１および第２ソース／ドレイン端子を有し、所定のキャパシタ制御信号の活性化に応答してオンオフされる。本発明のＣＭＯＳ画像受光デバイスにおいて、浮遊拡散ノードは外部電源電圧以上にポンピングされる。したがって、初期化状態での浮遊拡散ノードの電子ポテンシャルは受光部の最大電圧よりかなり高くなる。したがって、本発明のＣＭＯＳアクティブピクセルは、光強度が弱い領域では非常に高い感度を有し、光強度が強い領域では感度が低くなって、非常に広いダイナミックレンジを有する。
Patent JP-2007185014-A (JP)
Title: Control parameter calculation method and calculation program for motor controller, and that motor controller
Inventor: TAZAWA TORU
IPC: H02P29/00
Filed: 2006-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To calculate a control parameter for a motor controller which is stable and high in control responsiveness, having taken the change of a load state into consideration.  <P>SOLUTION: Speed response frequency being the control parameter for a speed controller is calculated, based on the maximum gain in a frequency region where the phase of load frequency properties is not more than -180+α[deg] (α is a value not less than 0), using two or more load frequency properties different in load states. The optimum setting of a notch filter is computed at the same time, regarding that the resonance frequency changing by a load state is one resonance frequency.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006190685-A (JP)
Title: Electric connector for panel mounting
Inventor: TROUT DAVID A
IPC: H01R13/46
Filed: 2006-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric connector for panel mounting which can be mounted on the panel without using a tool or the like, and has a small size for coping with a restricted space on the panel.  <P>SOLUTION: The electric connector 12 is provided with a housing 16 which has the front fitting end 18, a first side face 30, and a second side face 32. The housing is constituted so as to be inserted into a panel aperture when the housing moves to its insertion position in the first direction, and movable in the aperture in the second direction A nearly orthogonal to the first direction. The housing 16 has a latch member 44, and has a first end 46 and a second end 48 which have been mounted on the opposed end of the first side face 30 of the housing 16. When first and second ends are joined to each other by a meandering latch beam 56, a latch element 58 is arranged on a forward surface of the latch beam 56, and when the housing 16 is positioned at a latch position, the latch element 58 retains the housing at the latch position by being locked to the inner edge of the panel aperture.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007184209-A (JP)
Title: Terminal for bolt tightening
Inventor: SHIOHAMA TAKAHIRO
IPC: H01R11/12
Filed: 2006-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To improve removing characteristics without damaging durability of a tightening state.  <P>SOLUTION: This consists of a terminal main body 10 in which a wire connecting part 12 is installed at a base terminal side of one sheet of a substrate 11 and a bolt tightening part 13 is installed at the tip side, and an insertion plate 20 removably mounted on the bolt tightening part 13 of the terminal main body 10. At the bolt tightening part 13, the substrate 11 is folded in two plies at a folding part 15 and an insertion gap of the insertion plate 20 is secured between two vertically overlapped flat plates 14A, 14B, and a U-shaped notch 16 for bolt insertion which opens at either one outer edge of the respective flat plates 14A, 14B is installed at a position where the upper and lower flat plates 14A, 14B are mutually overlapped. When inserted into the insertion gap between the respective flat plates 14A, 14B, by overlapping with the U-shaped notch 16 for bolt insertion, the insertion plate 20 forms a bolt insertion hole 36 with the whole circumference closed and has the U-shaped notch 26 for bolt insertion opening at the outer edge at the tip side of the insertion direction of the insertion plate 20.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007184874-A (JP)
Title: Vehicle information collection system
Inventor: NAKAZATO HIROMI
IPC: H04W28/06
Filed: 2006-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To reduce channel capacity without causing the shortage of information when communicating vehicle data from a vehicle.  <P>SOLUTION: On a vehicle electronic system 10 side, an ECU 11 samples corresponding data at each prescribed timing to acquire the data and sends the data to a data compressing part 13 through an ECU interface 12. The data compressing part 13 reversibly compresses the data and sends the data to a data transmitting part 14, and the data transmitting part 14 sends the compressed data to a data center 50 through a communication line 20. In the data center 50, a data receiving part 51 receives the compressed data received from the vehicle electronic system 10 through the communication line 20 and sends the compressed data to a data developing part 52 to develop the compressed data. The developed data is stored in a database 53 and appropriately read from an application system 54 to be used.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007186274-A (JP)
Title: Method for installing elevator hoistway top part equipment
Inventor: HORIUCHI MUNETAKA
IPC: B66B7/02
Filed: 2006-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for installing elevator hoistway top part equipment, which improves installation performance and safety.  <P>SOLUTION: In this method for installing the elevator hoistway top part equipment, there are provided a pair of rod members 3 which are respectively hung downward from top parts of guide rails 1, 1A erected inside the hoistway and guiding lifting/lowering of a car or a balancing weight, and comprise a pair of long rods 4 and short rods 5, and a beam member 7 on which the elevator hoistway top part equipment is provided is supported by the pair of rod members 3. After hung up by a first crane and supported by the long rods 4 of each of the pair of rod members 3, the beam member 7 is further hung up by second cranes 10, 10A and supported by the short rods 5 of each of the pair of rod members 3 while guided by the long rods 4.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007188718-A (JP)
Title: Adhesive seal member and fuel cell using it
Inventor: TANAHASHI HIDEAKI
IPC: H01M8/10
Filed: 2006-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an adhesive seal member excelling in productivity of a fuel cell and handleability; and to provide a fuel cell using it.  <P>SOLUTION: This adhesive seal member satisfies respective conditions where (a) it is used for a fuel cell, (b) it contains an olefin-based thermoplastic resin as a main constituent, and (c) the olefin-based thermoplastic resin is denatured by an acid. The olefin-based thermoplastic resin preferably contains a propylene-based resin as a main constituent. The acid is preferably an unsaturated carboxylic acid and/or its derivative. This fuel cell is sealed by using the adhesive seal member.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006222078-A (JP)
Title: Plasma source, ion source, and ion generation method
Inventor: KASAMA YASUHIKO
IPC: H05H1/24
Filed: 2006-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that plasma sources of a contact ionization system used for manufacturing endohedral fullerene or the like, generating metal ion by jetting metal vapor as an object for ion generation on a tungsten-made flat-disc heated metallic body, is small in ionization probability, and unable to obtain a sufficient ion current.  <P>SOLUTION: Electron in metal atom is excited by irradiating light on metal vapor as an ionic generation object above the heated metallic body. As a material of the heated metal body, Re, Os, or Ir with a large work function is used. Further, by processing the surface of the heated metallic body in a rugged shape, ionization probability is heightened to enable to take out a large ionic current.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007192949-A (JP)
Title: Optical scanner
Inventor: TOMITA KENICHI
IPC: B41J2/44
Filed: 2006-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To make an optical scanner compact without spoiling assembling property by disposing a turning back mirror close to an imaging lens.  <P>SOLUTION: The optical scanner 1 has: the turning back mirror 8 which reflects a luminous flux 3 deflected and scanned with a rotary polygon mirror 4; and an imaging lens 9 which forms the image of the luminous flux 3 onto a photoreceptor drum 10, wherein the turning back mirror 8 is disposed close to the imaging lens 9 so as to cover the lens 9, and a part covering adhesion part 9G where the imaging lens 9 is adhered to the optical box 5 in the turning back mirror 8, is so composed to pass through a light beam L.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007194390-A (JP)
Title: Method of manufacturing semiconductor light emitting device
Inventor: SUMITOMO HIROYUKI
IPC: H01S5/16
Filed: 2006-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a semiconductor light emitting device which is capable of coping with requirements, such as an aspect reduction of a radiation angle and a request for an radiation angle, in a short time or improving a non-defective rate in a wafer.  <P>SOLUTION: The semiconductor light emitting device manufacturing method comprises a process (S10) of forming a compound semiconductor layer composed of a first conductivity-type clad layer, an active layer, and a second conductivity-type clad layer which are successively laminated on a substrate; and processes (S20, S22) of forming a low-refractive index region whose equivalent refractive index is smaller than that of the other region of a waveguide in the waveguide, in a region which serves as an end face from which light outputted from the waveguide is projected in the compound semiconductor layer. The processes (S20, S22) of forming a low-refractive index region contain a process of forming a low-refractive index region, so as to set the radiation angle of the output light of a semiconductor light emitting device at a desired value by determining the lengthwise width of the waveguide in the low refractive index region.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006211665-A (JP)
Title: Printer
Inventor: JACOB STEVE A
IPC: H04N1/60
Filed: 2006-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide means and a method for easily defining a color profile with respect to a new print medium type.  <P>SOLUTION: A printer (206) is provided with a color measuring system (244). The printer (206) calibrates the color measuring system (244), in response to a trigger event by using a first printing medium (602) of a first medium type.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007197046-A (JP)
Title: Subdivided pillow packaged article and its manufacturing method
Inventor: NAKANO HIROSHI
IPC: B65B9/06
Filed: 2006-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of making both a conventional pillow packaged article and a subdivided pillow packaged article by one packaging machine instead of a special machine for subdividing and packaging a pillow.  <P>SOLUTION: In a lateral type pillow packaging method having a supply process of supplying an object to be packaged one by one to a film strip, a bag-making process of making the film strip into a tubular bag, a center seal process of lapping the tubular films which were made into the tubular bags in the bag-making process and heat-sealing the superposed ends of the films, and an end seal process of heat-sealing and cutting the predetermined position of the tubular films in a lateral direction, a subdividing and sealing process of heat-sealing for subdividing the tubular films in a vertical direction and a perforation process of giving a perforation along the subdivided seal if needed are inserted between the center seal process and the end seal process.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007301421-A (JP)
Title: Detoxifying method of incineration ash containing hexavalent chromium
Inventor: TAKEBAYASHI TAMOTSU
IPC: A62D3/37
Filed: 2006-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a detoxifying method of incineration ash containing hexavalent chromium at low cost and inexpensive cost of equipment, with superior treating stability.  <P>SOLUTION: This detoxifying method of incineration ash containing hexavalent chromium reduces hexavalent chromium to trivalence chromium, by processes of: mixing the incineration ash containing hexavalent chromium with 0.3-1.0% of metal aluminum powder and agitating to obtain a mixture; adding 10-15% of water to the mixture obtained in the mixing process while controlling the water feed rate, and mixing and agitating to obtain a water-added mixture; and aging the water-added mixture obtained in the water adding process for 8-24 hours.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007206762-A (JP)
Title: Communication method and communication device using two-dimensional code
Inventor: ISHIDA HIROMICHI
IPC: H04L9/32
Filed: 2006-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a two-dimensional code communication device and a communication method which are suitable for transmission of information to be protected, and a mobile device using the same.  <P>SOLUTION: A two-dimensional code 10, when encrypted, is divided into a plurality of partial regions 11 and 12, the partial region 11 among the plurality of partial regions is encrypted with a key code 14, and the encrypted code 13 is disclosed to the public. The key code 14 is secretly managed and reported to a specified user. The specified user combines and decrypts the encrypted code 15 disclosed to the public, another partial region 17 disclosed to the public, and a reported key code 16 to restore the original two-dimensional code.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007204984-A (JP)
Title: Shear reinforcement structure, and shear reinforcing method
Inventor: TANAKA KOICHI
IPC: E04G23/02
Filed: 2006-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shear reinforcement structure which is high in workability and low in cost.  <P>SOLUTION: The shear reinforcement structure 20 is formed of: drill holes 21 which are drilled in a reinforced concrete member in a manner crossing a diagonal cracking surface caused by shearing load; steel pipes 22 inserted into the respective drill holes 21; and grout 23 filled in cavities in the respective drill holes 21.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2006175240-A (JP)
Title: Athletic ability diagnostic system
Inventor: KATSU MARI
IPC: A61B5/107
Filed: 2006-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an athletic ability diagnostic and shoes selecting system capable of simply and easily selecting an exercise method and shoes depending on subject's athletic ability.  <P>SOLUTION: The subject takes predetermined exercise for a predetermined period of time with a heart rate meter and an accelerometer attached to its body. An evaluation value 21b, which is based on peak values of the subject's heart rate and acceleration measured by the heart rate meter and the accelerometer after a given length of time after the exercise is started, and predetermined evaluation criteria are displayed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006231326-A (JP)
Title: Filter pipette tip
Inventor: ZIEGMANN CHRISTIAN
IPC: G01N1/00
Filed: 2006-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a filter pipette tip which has an improved barrier effect without impairing the pipetting.  <P>SOLUTION: The filter pipette tip with a small tube with a relatively large aperture 3 at one end for attaching to a pipette, a relatively small aperture 4 at the other end for the passage of liquid and a through-channel between the large aperture and the small aperture and a porous filter arranged in the through-channel, filling up a portion of the through-channel and comprising at least two layers 11, 12 arranged in series in the direction of the through-channel of which a fine-pore layer has a pore size of a maximum of approximately 20 μm and a coarse-pore layer a pore size of approximately 20 to 50 μm, the two layers having different pore sizes.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2007208778-A (JP)
Title: Audio system
Inventor: ISOO AKIHIRO
IPC: H04Q9/00
Filed: 2006-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an audio system by which speaker setup is easily and exactly performed.  <P>SOLUTION: The audio system is provided with a first direction sensor 16 which detects the direction of a magnetic field generated by a magnetic field generation part 42 of a remote controller 40 and a second direction sensor 17 which is arranged at a predetermined interval from the first direction sensor 16 and detects the direction of the magnetic field generated by the magnetic field generation part 42 of the remote controller 40, a system controller 18 detects coordinates on the horizontal plane of the remote controller 40 based on the directions of the magnetic field detected, respectively by the first direction sensor 16 and the second direction sensor 17.  <P>COPYRIGHT: (C)2007,JPO&INPIT