baber/WOPTO huggingface dataset:
Patent JP-2008518504-A (JP)
Title: 複合無線通信装置およびラジオ受信機
IPC: H04M1/72448
Filed: 2005-04-21
Abstract: 通信モードおよびステレオモードで動作するハンドヘルド無線通信装置（１０）。当該装置は、ハウジング（１２）と、通信モードであるとき基地局（６４）と通信するためのハウジング（１２）内の長距離送受信機（３６）と、装置（１０）がステレオモードであるとき放送無線局（７６）から信号を受信するためのハウジング（１２）内の受信器（４８）とを含む。放送無線局（７６）は、ハンドヘルド装置に例えばＡＭ信号またはＦＭ信号を送信し得る。ハウジング（１２）内のコントローラ（３０）は、装置（１０）を通信モードまたはステレオモードに設定するための制御信号を生成し、複数のスピーカ（２８、５６、５７）による音声信号の可聴音としての再生を選択的に制御する。複数のスピーカ（２８、５６、５７）は、ハンドヘルド装置（１０）のハウジング（１２）の反対端に長手方向に配置された一対のスピーカ（２８、５６）を含む。 【選択図】図４
Patent JP-2008520380-A (JP)
Title: 可撓性の挿入器シース
IPC: A61M25/08
Filed: 2005-11-15
Abstract: 【解決手段】  挿入器装置と、挿入器装置を形成するための方法。本装置は、長手方向に貫通している経路を有する内側ライナーを備えている。力を加えて半径方向に拡張された状態にあるコイルが、前記内側管の回りに長手方向に配置されている。ポリマー製の外側管は、コイルと内側ライナーの回りに長手方向に配置されており、コイルの巻きの間の空間を通して内側ライナーに接着されている。ポリマー製の外側管は、コイルを、力を加えて半径方向に拡張された状態に維持するように形成される。或る好適な実施形態では、内側ライナーと外側管はポリイミド製である。 【選択図】          図２
Patent JP-2008523287-A (JP)
Title: 噴射弁
IPC: F02M51/06
Filed: 2005-10-05
Abstract: 本発明は、噴射弁、特に自動車における内燃機関の燃料噴射装置用の噴射弁であって、弁座保持体（１１）と弁ニードル（１２）と、電磁石（１３）と、燃料を導入するためのフィルタ（３１）を備えた接続管片（１４）とが設けられている形式のものに関する。組立てラインの効果的な利用及び組立て時間の短縮によって噴射弁を安価に製造するために、噴射弁の機能は複合体を成す構成部材に分配されており、この場合弁開口（１５）及び弁座（１６）は、付加的に弁ニードル（１２）を軸方向摺動可能に案内する一体的な弁座保持体（１１）自体において形成されている。マグネットコア（２４）及び接続コネクタ（２６）は、プラスチック包埋射出成形された別体のコイル部分（２７）にまとめられており、マグネットポット（２４）はコイル部分（２７）に装着されていて、接続管片（１４）は、フィルタ（３１）を一体に組み込まれた別体のプラスチック射出成形部分として形成されている。接続管片（１４）とコイル部分（２７）、マグネットポット（２４）及び／又は弁座保持体（１１）との間における接合及びシール箇所は、接着結合されている。
Patent JP-2008526149-A (JP)
Title: デジタル画像形成の露出
IPC: G03B7/091
Filed: 2004-12-29
Abstract: 本発明は、画像形成を行なうための電子装置(10)であって、設定露出パラメータ(ET, AG, DG)を使用して画像フレーム(FRp, FRc)を形成するためのカメラ手段(CAM)と、少なくとも幾つかの画像フレームから露出の全露出レベル(EV)を決定するための全露出レベル決定手段(11)と、その決定された全露出レベルに基づいて前記露出パラメータを調整するための露出パラメータ調整手段(12)とを備えた装置(10)に係る。更に、この装置(10)は、少なくとも幾つかの画像フレームから動きを検出するための動き検出手段(13)も備えている。この装置において、露出パラメータは、露出の前記全露出レベル及び検出された動きに基づいて調整されるように構成される。 【選択図】図１
Patent JP-2008527498-A (JP)
Title: Ｓｏｃ相互接続において転送待ち時間を低減するための方法および装置
IPC: G06F13/362
Filed: 2005-12-23
Abstract: この発明の実施形態は、チップ上のシステム内の転送待ち時間を低減するための方法および装置に向けられている。チップ上のシステムは、バスマスタ、バススレーブおよびアービターからなり、バスマスタ、バススレーブおよびアービターはそれらの間で電子通信を行っている。要求はバスマスタからアービターに送信される。優先度信号は待ち時間要件に関連する。アービターは要求をバススレーブに送信する前に待ち時間要件を調べ優先度信号を高めるかどうかを決定する。次に、要求信号はアービターからバススレーブに送信される。バススレーブは要求を実行し、要求に対する応答を送信する。この送信は優先度信号を含む。
Patent JP-2008528914-A (JP)
Title: ボール推進装置
IPC: A63B69/40
Filed: 2006-01-20
Abstract: 球技中に推進力が与えられたボールを擬似的に得るために利用される膨張ガス駆動式ボールマシン、特に、野球またはソフトボールで使用されるボールのような盛り上がった縫い目のあるボールを飛ばすために使用されるマシンの銃身１４に関する。銃身１４に、ボールがマシンから発射されるときに膨張ガスが通り抜けることができるようにする１個又はそれ以上の開口部１６を、円筒の長さ方向に沿って設ける。開口部１６は、ボールマシンからボールを所定の速度で繰り返し飛ばすために必要なガスの圧力と量を予測することに役に立つ。
Patent JP-2008527461-A (JP)
Title: Ｐｄｐフィルタとその製造方法
IPC: G09F9/00
Filed: 2006-03-03
Abstract: 透明導電膜型電磁波遮蔽層および１つ以上の他の機能性層を積層した構造を含むＰＤＰフィルタであって、前記透明導電膜型電磁波遮蔽層の表面のうち、他の機能性層と接する表面上の少なくとも２つの縁部がＰＤＰフィルタの積層構造の外部に露出しないことを特徴とする多機能性ＰＤＰフィルタおよびその製造方法を提供する。
Patent JP-2008529508-A (JP)
IPC: C12N7/02
Filed: 2006-02-10
Abstract: Recombinant negative-strand RNA virus (I) comprises a viral genome with a mutation in the N, L or P gene that results in loss of replication capability without loss of transcription capability. Independent claims are also included for: (1) nucleocapsid (II) of (I); (2) genome (III) of (I); (3) DNA molecule (IV) coding for the genome or antigenome of (I); (4) cell (V) containing (I), (III) or (IV); (5) producing (I) by providing a cell transfected with a DNA molecule coding for (I) and optionally a heterologous gene product, and culturing the cell under conditions suitable for transcription of the DNA molecule; (6) multiplying (I) by providing a cell infected with (I) and culturing the cell under conditions suitable for multiplication of (I); (7) pharmacuetical composition comprising (I), (II) or (III); (8) use of a cell (VI) that stably expresses the N, L or P protein of a negative-strand RNA virus in a constitutive or inducible manner for producing or multiplying (I) (II) or (III). ACTIVITY : Virucide. MECHANISM OF ACTION : Vaccine; Ribozyme; Antisense oligonucleotide inhibitor; RNAi; RNA interference.
Patent JP-2008532037-A (JP)
Title: ヘアカラーリングシステム
IPC: A45D44/00
Filed: 2006-02-16
Abstract: 処理器を含むヘアカラートリートメントの決定システム。処理器はヘアの試料の波長範囲を有する初期スペクトルを入力として受け、初期スペクトルの一次関数として仮定のヘアカラートリートメントによるヘアの新しいスペクトルを算出し、そして算出工程に基くデータを装置に出力するように構成される。システムはまた、初期スペクトルを生成するように構成されたスペクトル分析器、及びデータに基いてカラー及びヘアカラートリートメント指示を表示する表示装置を含む。本発明の代替実施態様はデータに基いたヘアカラートリートメントを分配するように構成されたカラー混合装置を含む。 【選択図】  図１１
Patent JP-2008535538-A (JP)
Title: 神経変調を用いて、鬱病、気分障害および不安障害を処置するための方法
IPC: A61P25/22
Filed: 2006-03-01
Abstract: 本発明は、情動障害（例えば、鬱病）を処置するために電気刺激および／または化学刺激を使用するための方法およびシステムを包含する。より具体的には、この方法は、所定の部位の刺激を生じる電気信号および／または医薬のいずれかを放出するために信号発生器および／または注入ポンプに結合される、所定の部位と連絡状態にある電気刺激リード線および／またはカテーテルを外科手術により移植し、それにより、気分および／または不安を処置する工程を包含する。
Patent JP-2009169550-A (JP)
Title: Memory monitoring method
Inventor: BABA TSUTOMU
IPC: G06F21/75
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a memory monitoring method for outputting the result of calculating an error detection code such as CRC as abnormality even when data are lost due to an illegal act, and become the state of 'ALL 0'.  <P>SOLUTION: The memory monitoring method is used in an electronic device (1) comprising a first memory (15) in which confidential data and an error detection code are stored, and a second memory (11) in which work data necessary for each type of operations of the electronic device (1) is stored. In the memory monitoring method, when the electronic device (1) is started up, the error detection code stored in the first memory (15) is stored into the second memory (11); meanwhile, the error detection code of the confidential data stored in the first memory (15) is calculated and the error detection code obtained as a result of the calculation is compared with the error detection code stored in the second memory (11).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009169647-A (JP)
Title: Document management device, document management system and program
Inventor: KUNITAKE SETSU
IPC: G06F13/00
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To easily determine a transfer destination to which a document as an operation result is to be transferred.  <P>SOLUTION: A document registration unit 130 having received from the document as the operation result, a management ID of the document, a master ID as a management ID of the document before the operation of the document, the kind of the operation, and information for transfer used to determine the transfer destination from a client registers the master ID, the kind of the operation, and the information for transfer in a derivation relation DB 110 while making them correspond to the management ID. When the kind of the operation of the document that the document registration unit 130 received is a predetermined operation kind, a transfer destination determination unit 152 of a transfer processing unit 150 determines the transfer destination of the document that the document registration unit 130 received by using the information for transfer that the document registration unit 130 received or information for transfer of a document corresponding to an ancestor of the document that the document registration unit 130 received in a tree structure that a derivation relation group registered in the derivation relation DB 110 represents.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009170651-A (JP)
Title: Semiconductor integrated circuit and its power supply control method
Inventor: IGARASHI MASAHIRO
IPC: H01L21/822
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To shorten the control time while suppressing the peak of power supply noise.  <P>SOLUTION: A semiconductor integrated circuit includes a first voltage line (e.g. an actual VSS line 2S), a second voltage line (e.g. 20s or 20T), a plurality of circuit cells (circuit cells having a logical circuit portion 5), a plurality of switch transistors connected between the first and second voltage lines in parallel and including switch transistors (SWT(HR), SWT(MR), SWT(LR)) having different resistances during conduction, and a switch conduction control section (switch control section 31) performing conduction control of the plurality of switch transistors from nonconduction state to conduction state a plurality of times in accordance with a rule "each switch transistor is conducted after switch transistors having a resistance during conduction higher than that of the switch transistor are entirely conducted".  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009171266-A (JP)
Title: Automatic frequency control method and apparatus
Inventor: YOKOTE TOSHIMICHI
IPC: H04J11/00
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic frequency control method and an apparatus therefor which can perform a highly precise AFC (Automatic Frequency Control) even under an environment of much noise or interference.  <P>SOLUTION: The automatic frequency control apparatus in a radio communication system using a method for transmitting a plurality of different reference signals spread in a frequency direction and/or in a time direction including: a complex correlation arithmetic unit 12 for calculating complex correlation value C<SB>Ri-Rj</SB>(n, k), C<SB>Rj-Ri</SB>(n, k) and C<SB>Ri-Ri</SB>(n, k) among the same and/or different reference signals based on a channel estimate; and a frequency control unit 13 for producing a frequency control signal based on the plurality of complex correlation values obtained by the complex correlation arithmetic unit 12.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009169178-A (JP)
Title: Camera and lens barrel
Inventor: AOKI SHOHEI
IPC: G03B17/02
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lens barrel having a structure in which the position of a drive member for opening or closing a lens barrier is devised, while the secure operation of the lens barrier is ensured, and contribution to a size reduction is achieved.  <P>SOLUTION: A camera includes: barrier members 27a and 27b which are disposed at the leading end of the lens barrel 1 moved forward and backward in the direction of an optical axis between the collapsed position and the photographing preparation position, which are driven to a closed position for protecting the front face of a lens in the collapsed position, and pressed and driven to the opening position where they are retracted from the front face of the lens in the photographing preparation position; a barrier drive member 12e which has a first arm 51 formed so as to extend in the direction of the optical axis in order to drive the barrier member to the closed position, and is rotated around the optical axis; and a movable frame 13 with a second arm 52 extending in the direction of the optical axis, so as to move in the direction of the optical axis accompanying the forward and backward movement between the collapsed position and photographing preparation position, engage with the first arm when moving to the collapsed position, thereby driving the barrier drive member and positioning the barrier member in a closing position and which disengages with the first arm when moving to the photographing preparation position, thereby positioning the barrier member in an opening position.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009176897-A (JP)
Title: Multilayer printed wiring board and manufacturing method therefor
Inventor: SATO HAJIME
IPC: H05K3/46
Filed: 2008-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To develop a technique for obtaining at low cost a multilayer printed wiring board superior in microwiring formation, via-hole connection reliability, soldering heat resistance, and peeling strength.  <P>SOLUTION: According to the multilayer printed wiring board and a manufacturing method therefor, an insulating resin layer 8 overlaid on an inner layer core substrate 110 is provided as an insulating resin layer that is subjected to a desmear process under process conditions of a permanganic acid sodium concentration of 60 g/l, an NaOH concentration of 45 g/l, a liquid temperature of 80°C, and a weight loss of 1 g/m<SP>2</SP>to 5 g/m<SP>2</SP>for a process time of 20 minutes.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009173188-A (JP)
Title: Interior material
Inventor: TSUKAMOTO MASASHI
IPC: H02G3/22
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an interior material allowing a wire harness to be easily removed.  <P>SOLUTION: The interior material 10 includes a first layer 11 opposed to a vehicle body; a second layer 12 superposed on the first layer 11 and opposed to the inside of the vehicle; a cut-in part 15 penetrating through the first layer 11 in a thickness direction and continued along a surface direction; and a storage part 16 communicated with the cut-in part 15, provided on at least one of the first layer 11 and the second layer 12 and capable of burying the wire harness 14. A second thermal shrinkage percentage of the second layer 12 when heat treatment that thermal shrinkage is generated along the surface direction is applied to at least one of the first layer 11 and the second layer 12 is set larger than a first thermal shrinkage percentage of the first layer 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009175535-A (JP)
Title: Active noise eliminating system
Inventor: TANAKA YASUNOBU
IPC: G10K11/16
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an active noise eliminating system, applying a favorable acoustic environment of a second air conditioning duct to a first air conditioning duct.  <P>SOLUTION: This active noise eliminating system 10A includes: the second air conditioning duct 12 different from the first air conditioning duct 11, a noise eliminator 16 for reducing a first sound wave generated from a noise source 19 and propagating through the second air conditioning duct 12, a target microphone 17, which detects a reduced sound wave of the first wave reduced by the noise eliminator 16 in time series and also outputs the reduced sound wave as a third input signal; and a first subtraction device 27, which receives a second input signal from an error microphone 14, receives a third input signal from the target microphone 17, and generates an error signal obtained by removing the third input signal from the second input signal, wherein an interference signal generator 28 generates an interference signal using a fourth input signal received from a second subtraction device 29 and the error signal received from the first subtraction device 27.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009176165-A (JP)
Title: Plant management device, plant management method and plant management program
Inventor: NAKAMURA AKIHIRO
IPC: G06F21/32
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To quickly impart operation authority at emergency in a plant and the like.  <P>SOLUTION: The plant management device acquires person's face image data, extracts face outline data and face feature data from the acquired face image data, and collates the face image data and face feature data with the face image data and face feature data stored in a face image database 121 beforehand. If the coincidence rate above a predetermined value is computed as a result of the collation, the device imparts the operation authority over an operation monitoring operation device 1 to the person of the face image data.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009185086-A (JP)
Title: Temperature indicating material and temperature control indicator using the same
Inventor: FUKUDA YUTAKA
IPC: B82Y99/00
Filed: 2008-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a temperature-indicating material which includes no mercury as a harmful metal for safety sake, can indicate a hue corresponding to a temperature, and can clearly and accurately displays a specific temperature range with a reversible color change by a simple structure, and to provide a temperature control indicator using the same.  <P>SOLUTION: The temperature-indicating material comprises a mesoporous material and a metal complex compound discoloring by a change of a complex structure according to a temperature change, and at least part of the metal complex compound is included inside mesopores of the mesoporous material. In the temperature control indicator, the temperature-indicating material is sealed in a glass tube, a glass bottle, a resin case or a resin capsule, or sandwiched by a resin film sheet and sealed therein. Another temperature control indicator is formed by adsorbing, absorbing and/or applying an indicator ink composition including the temperature-indicating material on at least part of a base material.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008182717-A (JP)
Title: Radio tag reader
Inventor: KUNIEDA SHIGETOSHI
IPC: H04B5/02
Filed: 2008-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To surely read a radio tag with the small number of antennas.  <P>SOLUTION: A plane antenna 26 is disposed toward a pass area through which a passenger carrying a radio tag with him passes. The plane antenna 26 is then rotated by a motor 27 around an arbitrary point on a plane in parallel with an antenna surface so as to change a radio wave polarizing direction.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009001771-A (JP)
Title: Fluorine-containing polyether compound, method for producing the same and curable composition containing the same
Inventor: SAITO SATOSHI
IPC: C08G65/333
Filed: 2008-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluorine-containing polyether compound which can be cured without the need of a Si-H bond-having fluorine-containing organo hydrogen siloxane compound, and gives a cured products being excellent in heat resistance, low temperature characteristics, chemical resistance, and molding processability and having improved mechanical strengths, to provide a method for producing the same, and to provide a curable composition containing the same.  <P>SOLUTION: This method for producing a XC<SB>6</SB>H<SB>4</SB>NR<SP>1</SP>(CORfCOZ)<SB>n</SB>CORfCONR<SP>1</SP>C<SB>6</SB>H<SB>4</SB>X comprises reacting a fluorine-containing dicarboxylic acid fluoride: F(CORfCOZ)<SB>n</SB>CORfCOF äRf: CF(CF<SB>3</SB>)[OCF<SB>2</SB>CF(CF<SB>3</SB>)]<SB>l</SB>O(CF<SB>2</SB>)<SB>2</SB>O[CF(CF<SB>3</SB>)CF<SB>2</SB>O]<SB>m</SB>CF(CF<SB>3</SB>)} with an I or Br-substituted aromatic primary or secondary amine: XC<SB>6</SB>H<SB>4</SB>NHR<SP>1</SP>, wherein, Z is N(R<SP>2</SP>)R<SP>3</SP>N(R<SP>2</SP>) or a cyclic N(R<SP>4</SP>)<SB>2</SB>N. This fluorine-containing polyether compound is compounded with an aromatic borate, an organic palladium compound and a basic inorganic or organic compound (and an organic phosphorus compound), to prepare a curable composition.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008123691-A (JP)
Title: Optical disk, optical disc recording apparatus, and optical disk reproducing apparatus
Inventor: WATANABE KATSUYA
IPC: G11B20/12
Filed: 2008-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To perform efficient recording/reproducing without depending upon the capacity of a file and to make the seamless property and random access property of data during recording/reproducing compatible with each other.  <P>SOLUTION: In the method for recording/reproducing information on/from an optical disc, the optical disc has a first to an n-th recording layers ((n) is an integer of 2 or greater) laminated on a substrate, each of the first to the n-th layers having data regions segmented into a first to an m-th data zone groups ((m) is an integer of 2 or greater) along a radial direction of the optical disc, each of the first to the m-th data zone groups including at least one data zone, the method comprising the steps of: (a) recording/reproducing information from a j-th data zone group of a first recording layer to a j-th data zone group of an n-th recording layer; and (b) repeating step (a) for j=1, 2, . . . , (m).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009194466-A (JP)
Title: Communication device
Inventor: MORI TAMOTSU
IPC: H04M1/00
Filed: 2008-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication device capable of outputting a ringing tone easy to hear.  <P>SOLUTION: The communication device 10 includes a call termination detection part 24, a microphone 30, a noise analysis part 31, a control part 21, and a speaker 32. The call termination part 24 detects an incoming signal from a public line 51. The microphone 30 detects noise. The noise analysis part 31 analyzes noise levels in a plurality of divided frequency bands with respect to detected noise and outputs an analysis result. The control part 21 sets a frequency determined to be closest to a band having the lowest noise level, out of a plurality of preliminarily set frequencies as tone information of a ringing tone informing of detection of an incoming signal, on the basis of the analysis result and outputs a call termination command based on the tone information in response to detection of an incoming signal in the call termination detection part 24. The speaker 32 outputs the ringing tone based on the call termination command.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009168000-A (JP)
Title: Power supply system by wind power for vehicle using compressed air as medium
Inventor: YANAGISAWA YOSHINORI
IPC: F03D9/02
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of the necessity of a novel medium that, since energy conversion efficiency cannot be improved beyond a certain level theoretically due to the use of electric power as secondary energy, a wind turbine becomes bulky due to the need of the installation of a generator, and the preparation of a battery system or connection to a power grid is necessary in order to cope with the instability of an output, in a conventional technology in a system for driving a vehicle by energy obtained from wind power so as to cope with the exhaustion of fossil fuel.  <P>SOLUTION: The system comprises a wind turbine interlocked with a compressor, a tank for storing compressed air, a station for supplying the compressed air to the vehicle, and a vehicle using the compressed air as a principal power source or an auxiliary power source.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009191963-A (JP)
Title: Control device for four-wheel drive vehicle
Inventor: TAWARA SHINKO
IPC: F16H61/66
Filed: 2008-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle control device capable of reducing produced muffled sound by preventing resonance between a belt of a belt-type transmission and a power transmission system located downstream of a driving torque distribution device.  <P>SOLUTION: A muffled sound producing state determining means 124 (SA1 to SA5) determines whether a vehicle is placed in a four-wheel drive state by the driving torque distribution device 54 (Yes in SA5) and whether it is in a muffled sound producing state predetermined as a muffled sound producible state. When the muffled sound producing state determining means 124 determines that the running state of the vehicle is in the muffled sound producing state (Yes in SA1 to SA4), a squeezing force changing means 126 changes belt squeezing force in the belt-type transmission 18 (SA6). The tension of a transmission belt 48 thereby changes, and the frequency of the string vibration of the transmission belt 48 changes, which results in having no relationship of resonance with the natural frequency of the power transmission system that transmits power to rear wheels, thereby reducing the muffled sound.  <P>COPYRIGHT: (C)2009,JPO&INPIT