baber/WOPTO huggingface dataset:
Patent JP-2012509800-A (JP)
Title: 構造用ｉ形ビームの自動車用サスペンションアーム
IPC: B60G3/20
Filed: 2008-11-24
Abstract: 車両用サスペンションコントロールアームを有する構造要素が、複雑なシングルピースのシートメタルのスタンプされた構成部品から構成され、該構成部品は均一な厚さの材料から形成される。スタンピングは、的確な平面図形状を有するように構成され、かつ、中央のウェブ部分および２つのフランジ部分を有するＩ形ビーム横断面となるように形成される。中央のウェブ部分は、一枚の材料厚さとして構成され、かつ、フランジ部分は、上へ立った閉断面と下へ立った閉断面とを有し、連続的な二重折れしたセグメントを伴っている。シートメタルの開端部は、中央のウェブ部分においてまたはその近くで終了し、該ウェブ部分に対して、および、代替的な実施形態では該連続的な二重折れしたセグメントに対しても溶接され、それにより、フランジ部分がウェブ部分の２倍の厚さである好ましい構造用Ｉ形ビーム断面が形成される。 【選択図】図７
Patent JP-2011503490-A (JP)
Title: 弁座リングリテーナを有する流量制御装置
IPC: F16K3/24
Filed: 2008-11-12
Abstract: 装置の弁本体内に弁座リングを固定するためのリテーナを有する制御弁が開示される。該弁座リングは、該制御弁の該弁本体の流体流路のボアの中に配置され、該リテーナは、該弁本体の内面に付設されて該弁座リングを該ボア内に保持する。該リテーナは、該ボアの該内面に対して該弁座リングを保つように、該弁座リング上に締着されるボルトを受容するためにこれを貫通して螺刻された開口部、および／または該制御装置が閉じた位置にある場合、密閉を形成して漏出を防止するガスケットを含む。 【選択図】図１
Patent JP-2011504792-A (JP)
Title: 超音波切り取りブレードを備えるデルマトーム
IPC: A61B18/00
Filed: 2008-11-26
Abstract: デルマトームアセンブリは、植皮を採取するように作動可能であり、超音波デルマトームおよび電源を含む。超音波デルマトームは、本体と、本体の中に設置された超音波ブレードアセンブリを含む。ブレードアセンブリは、周波数発生器および周波数発生器によって駆動される切り取りホーンを含む。切り取りホーンは、本体が切り取りホーンの振動的運動の減衰を抑制するために、本体から間隔をあけて配置される。デルマトームアセンブリは、切り取る植皮の厚さを正確に制御し、切り取りホーンの過熱を抑制するように作動可能である。
Patent JP-2011507246-A (JP)
Title: 広いうら側エミッタ領域を有する裏面電極型太陽電池およびその製造方法
IPC: H01L31/04
Filed: 2008-11-28
Abstract: 【課題】本発明は裏面電極型太陽電池およびそれを製造する方法に関する。 【解決手段】裏面電極型太陽電池は、エミッタ電極（１１）に接触するエミッタ領域（５）およびベース電極（１３）に接触するベース領域（７）に特徴づけられるうら側表面（３）上の半導体基板（１）を含む。エミッタ領域およびベース領域は少なくともオーバーラップ領域（１９）でオーバーラップするが、太陽電池のうら側表面からみられるとき、オーバーラップ領域（１９）でのエミッタ領域（５）は、ベース領域（７）よりも半導体基板（１）に深く達する。結果として、半導体基板のうら側の大きな面積パーセントが、ベース電極（１３）がエミッタ領域（５）とショートを起こす危険をなくすために少なくとも部分的に半導体基板（１）の内部に埋められた、電荷を収集するエミッタで覆われる。
Patent JP-2011505946-A (JP)
Title: 弾性材料を備えた複合シートを含む吸収性物品
IPC: A61F13/511
Filed: 2008-12-03
Abstract: 吸収性物品において有用な、糞便物質を受容するための、１つ以上の開口部（１１）を有するトップシートとして有用な複合シート（１０）を作製するためのプロセスが特許請求され、複合シート（１０）は、皺付けされ、パターン付けされた伸縮性区域（１２）を備え、これはパターン付けされた第１シート（１３）及び弾性材料（１５）を含み、この第１シート（１３）は、弾性材料（１５）への取り付けの前に、典型的にはより圧密された、即ちより高い密度である凹部（１６）でパターン付けされる。凹部（１６）は、弾性材料（１５）に取り付けられる。得られる複合シート（１０）は、均一な皺パターンを備える。特定の吸収性物品もまた特許請求される。特定の残留歪み及び剥離力値を有する複合シート（１０）もまた特許請求される。
Patent JP-2011512696-A (JP)
Title: マッチされた通信装置
IPC: G06F3/048
Filed: 2008-12-10
Abstract: 通信システムは、互いにマッチされた第１の装置及び第２の装置を含む。マッチされた装置の少なくとも一方は、コンテンツを捕捉するための入力装置と、コンテンツを記憶するためのメモリと、少なくとも１つのトリガに応じて第１の装置上の、かつ／又は第２の装置上のコンテンツのレンダリングに影響を及ぼすよう構成された少なくとも１つのプロセッサの制御下でコンテンツをレンダリングするよう構成されたレンダラとを含む。少なくとも１つのトリガは、第１の装置のユーザの検出、先行するトリガからの、コンテンツがレンダリングされている経過時間、ユーザの位置、ユーザの行動パターン、及び／又は第１の装置と第２の装置との間のトラフィック・フロー・パターンに応じて生成することができる。
Patent JP-2011511017-A (JP)
Title: Ｐａｒ１阻害剤としてのトリアゾリウム塩、その製造、及び薬剤としての使用
IPC: A61P11/00
Filed: 2009-01-23
Abstract: 本発明は、抗血栓活性を有し、そして特にプロテアーゼ活性化受容体１（ＰＡＲ１）を阻害する式（Ｉ）   【化１】     の新規化合物、その製造方法、及び薬剤としてのその使用に関する。
Patent JP-2011514467-A (JP)
Title: ガスタービンのロータにおいて回転羽根を軸方向固定するための装置
IPC: F02C7/00
Filed: 2009-01-14
Abstract: 本発明は、ガスタービンのロータ（２３）の回転羽根（１４）を軸方向固定するための装置（１０）に関する。この装置は、ロータ（２３）の端面側の面に配置されたシールエレメント（１６）を有しており、このシールエレメント（１６）は、形状記憶合金製金属薄板条片を用いて、特に確実にロータ（２３）に固定されることができる。
Patent JP-2011514155-A (JP)
Title: 原核細胞由来の組換えｎ−グリコシル化タンパク質から作製したバイオコンジュゲート
IPC: C12N15/09
Filed: 2009-02-19
Abstract: 本発明は、少なくとも１つのコンセンサス配列Ｄ／Ｅ−Ｘ−Ｎ−Ｚ−Ｓ／Ｔ［式中、ＸおよびＺは、プロリン以外の任意の天然のアミノ酸であり得る］を含有するタンパク質担体を含むタンパク質担体と；タンパク質担体と連結した、少なくとも１つの病原性細菌に由来する少なくとも１つの抗原性多糖と；任意選択によりアジュバントとを含む、Ｏ１バイオコンジュゲートワクチンなどのバイオコンジュゲートワクチンに関する。別の態様では、本発明は、複数の工程を含む、バイオリアクター内でＯ１バイオコンジュゲートを生成させる方法に関する。
Patent JP-2011513849-A (JP)
Title: スキャンの方法
IPC: G06F21/60
Filed: 2009-03-05
Abstract: テキストを著作権保護されないコピーから合法的に保護できる、文書（たとえば、新聞または書籍）をスキャンするコンピュータ実施する方法であって、文書の区切られた区域をカバーするフィールドに閉じこめられた少なくとも１つの記録をメモリに獲得するステップと、文字認識を実行するために少なくとも１つの記録を処理するステップと、文字が認識されるときに、それをメモリに登録し、文字のストリングを徐々に入手するために、シフトされた位置で記録しながら上記ステップを繰り返して実行するステップと、事前定義の条件に対してストリングを評価するステップと、条件が満足されない場合に、少なくとも１つの記録の少なくとも一部をメモリからクリアすべきかどうかを判定するステップと、条件が満足される場合に、出力を提供し、ストリングの少なくとも一部および少なくとも１つの記録の少なくとも一部をメモリからクリアするステップとを含む、コンピュータ実施される方法。
Patent JP-2012144818-A (JP)
Title: Heat-resistant flame-retardant sound absorber
Inventor: TANAKA KAZUMITSU
IPC: D04H1/4382
Filed: 2011-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a highly flame-retardant, heat-resistant and sound-absorbable sound absorber without heat shrinkage or wear even if it is repeatedly exposed to high temperatures for long hours in an automobile engine room.SOLUTION: A heat-resistant flame-retardant sound absorber includes a nonwoven cloth of 5-50 mm in thickness provided with a binder of 30-200 dry g/m. The binder is made by blending a phosphorus-based flame retardant into a nonwoven cloth with a weight of 200-2000 g/m, which is made from polyester fiber in 80-50 weight% and polyphenylene sulfide fiber in 20-50 weight% which are subjected to a processing of cotton blending-carding-wrapping-needle punching. The nonwoven cloth has 50% or more of tensile strength and elongation and 5% or less of thermal shrinkage in the condition where the cloth is cooled down to room temperature after being left under atmosphere of 200°C×500 hours.
Patent JP-2011091057-A (JP)
Title: Superconductive cable for direct current
Inventor: HIROSE MASAYUKI
IPC: H01L39/04
Filed: 2011-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a superconductive cable for a direct current, the cable outer diameter of which is smaller.  <P>SOLUTION: The superconductive cable 20 for a direct current is a coaxial type cable for a direct current, wherein the cable includes one strip of a cable core having two superconductor layers, on which a voltage of different polarity is applied, concentrically, and arranged in a heat insulating tube. The cable core includes: a first superconductor layer 2a; a second superconductor layer 2b on which a voltage of opposite polarity to the first superconductor layer 2a is applied; first insulating layers 3a', 3a'' for insulating between the superconductor layers 2a, 2b; a second insulating layer 3b formed on the second superconductor layer 2b and insulating between the second superconductor layer 2b and the ground; an outer side electrode layer 4 arranged on the second insulating layer 3b and grounded; and an intermediate electrode layer 21 which can be grounded at an intermediate part of the first insulating layers 3a', 3a''.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012147618-A (JP)
Title: Estimation method for number of banks constructing battery device and controller for power conversion operation
Inventor: FURUYA YUMA
IPC: H02J7/00
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To estimate the number of banks constructing a battery device on the side of a power conversion system which converts output power of a battery device.SOLUTION: Using a limiter function that prevents discharge or charge in excess of the allowable capability of a battery device by suppressing battery power to be equal to or below a predetermined current limiter value and a predetermined voltage limiter inside a converter 30, a preset value Il of a current limiter 43 is gradually changed and the number of banks in the battery device is estimated from the presence/absence of the limiter operation of a voltage limiter 46 at that time.
Patent JP-2011157062-A (JP)
Title: Storage bag system for wagon
Inventor: SCHLEGEL THOMAS
IPC: B62B9/26
Filed: 2011-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a storage bag system attached to a wagon which has an additional transportation capacity and storage capability.  <P>SOLUTION: The storage bag system for the wagon includes a collapsible storage bag 12 that is movable between an expanded configuration and a collapsed configuration. The storage bag system also includes a connector for attaching the collapsible storage bag 12 to a sidewall of the wagon.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012006373-A (JP)
Title: Ink channel structure and ink jet head including the same
Inventor: SHIN HYUN HO
IPC: B41J2/045
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To provide an ink channel structure that improves ink discharge characteristics by reducing residual pressure waves remaining in a pressure chamber in a short period of time and an ink jet head including the same.SOLUTION: The ink channel structure includes the pressure chamber 210 for storing ink that has flowed therein to be discharged to a nozzle, and a channel 230 that repeats expansion and contraction in a direction toward the pressure chamber 210 for supplying ink to the pressure chamber 210 after the ink is discharged by pressure generated from the pressure chamber 210 and reducing the residual pressure waves remaining in the pressure chamber 210.
Patent JP-2011165178-A (JP)
Title: Management method of database, management apparatus of database and program
Inventor: TAKAHASHI HIROYUKI
IPC: B01F35/60
Filed: 2011-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To enable a user of a database to easily delete desired data without being conscious of a location of the data.  <P>SOLUTION: A computer stores a location of the data inserted into a database into storage position management information, stores information when the data is inserted into the database into management point information in association with the location, accepts a deletion request including an element of the management point information as a request for deleting the data of the database, retrieves the management point information from the element included in the deletion request to specify the management point information, acquires the location of the data to be deleted from the specified management point information, extracts the location management information including the acquired location and initializes the extracted location management information, and deletes the specified management point information.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012155502-A (JP)
Title: Cache memory program resident in external recording medium
Inventor: TAKAHASHI HIRONAO
IPC: G06F12/06
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To realize a cache memory program resident in an external memory medium which effectively manages data in a computer utilizing apparatus such as a mobile phone, and enhances high-speed writing to the external memory medium and reading (transmitting) from the external memory medium up to capability of DRAM.SOLUTION: A cache memory program is automatically installed by mounting an external memory medium such as a micro SD memory card 1 on a computer utilization apparatus such as a mobile phone 2. A partial area of system memory 8 of the computer utilization apparatus is secured as virtual memory and cache memory 23 is assigned on the virtual memory and operated. By this way, writing/reading to/from CPU 7 etc. and writing/reading (transmitting) to/from the external memory medium are made possible, for any data in the computer utilization apparatus.
Patent JP-2011172561-A (JP)
Title: Support member, member for bird injury proofness each for bird injury-proof instrument, and such bird injury-proof instrument assembled using these support member and member for bird injury proofness
Inventor: KISHI YOJI
IPC: A01M29/32
Filed: 2011-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a support member capable of producing at low cost a bird injury-proof instrument to be installed swingably on an electric cable hung and suspended in the air, and to provide such a bird injury-proof instrument using the support member.  <P>SOLUTION: The bird injury-proof instrument 1 includes: a set of installing members 3 to be installed swingably on an electric cable; and a first linear member 5 and a second linear member 6 each attachable to/detachable from these installing members 3; wherein each of the installing members 3 is composed by combining a set of division members 30 and 30 of the identical shape. As the bird injury-proof instrument 1 is formed so that each of the installing members 3 uses the set of division members 30 and 30 formed to the identical shape, the instrument 1 can be produced at low cost. Besides, as this instrument 1 is divisible into the four division members 30 and the first linear member 5 and the second linear member 6, the instrument 1 can be repaired by the operation of merely replacing the broken constituent(s) even if one or more of these constituent members are broken.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012156356-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: TERADA SHINOBU
IPC: H01L21/768
Filed: 2011-01-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device capable of suppressing increase in the contact resistance in a copper wiring connection by the dual damascene method.SOLUTION: A first hole is formed by etching a first interlayer insulating film 28 among a first diffusion prevention film 27 and interlayer insulating films laminated on first wiring 25. A second hole is formed by etching the first interlayer insulating film positioned below the first hole under condition of preventing the first diffusion prevention film from being etched. A second interlayer insulating film having an etching rate being faster than that of the first interlayer insulating film is formed so as to fill the second hole. A trench for forming wiring, integrated with the second hole is formed by etching the second interlayer insulating film until a top surface of the first interlayer insulating film is exposed. The second interlayer insulating film remaining in the second hole is selectively removed and the first diffusion prevention film positioned below the second hole is selectively removed.
Patent JP-2012161161-A (JP)
Title: Peeling device
Inventor: SATO MASAHIRO
IPC: B26B27/00
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a peeling device of a low-cost configuration, capable of locking a connection state with an existing remote operation rod for rotational driving, allowing installation to an electric wire in a stable condition, and capable of easily releasing the lock with no use of another tool.SOLUTION: A connection body 2 which connects a remote operation rod for transmitting a rotational force to a peeling device 1, includes a fixed part 4 and a movable part 6. A bearing part 6a in which an input shaft 4a of the fixed part 4 is fitted is formed at the movable part 6. The input shaft 4a is loosely engaged in the bearing part 6a, with a setscrew 6e inserted in a long through hole 4d. When pushed in by the remote operation rod connected to an operation rod connection part 6d, a bolt 6c protruding from a magnet part 6b enters a recess on the fixed part 4 side, while a magnet 6f is attracted to the fixed part 4, to suppress rotation of the movable part 6 around an axis. When the remote operation rod is pulled forward, the magnet 6f is separated from the fixed part 4, and engagement between the bolt 6c and the recess is released.
Patent JP-2012165223-A (JP)
Title: Duan band antenna
Inventor: RI NARIYOSHI
IPC: H01Q5/10
Filed: 2011-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a dual band antenna which has a small size and a wide bandwidth.SOLUTION: A vertical part 109a and a horizontal part 109b of a low frequency side radiation element 109, a high frequency side radiation element 111, an excitation element 107, and a ground element 113 are formed on a main surface of a dielectric substrate 101. A horizontal extension part 109 including an open end 109d orthogonally connects with the horizontal part 109b. The radiation element 111 includes a vertical part 111a and a horizontal part 111b. The horizontal part 111b extends parallel with the ground element 113 so that an open end 111c is disposed in a region enclosed by the horizontal extension part 109 and the ground element 113. The excitation element is composed of an excitation pattern 107a electrically connecting with the horizontal part 109b and an excitation pattern 107b electrically connecting with the horizontal part 111b, and includes a common power feeding part 121a at the center thereof.
Patent JP-2012163862-A (JP)
Title: Image forming apparatus and developing device
Inventor: SHIRAI HIRONAO
IPC: G03G15/08
Filed: 2011-02-08
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing the generation of troubles in image development even when a fibrous foreign substance is collected together with toner.SOLUTION: An image forming apparatus collects toner left on a photoreceptor drum with a cleaner after transferring to a record sheet, and reuses the collected toner by returning it to developing equipment. The developing equipment is provided with an agitation screw 232 having a spiral blade 212, and a foreign substance collection part 214 is disposed on an outer periphery 221 of the spiral blade 212. The foreign substance collection part 214 is formed by a plurality of projections with hook shape on the ends thereof, having a gap therebetween, and collects pieces of fibers conveyed with the toner by tangling them on the ends of the projections.
Patent JP-2012166155-A (JP)
Title: Organic solvent recovery system
Inventor: SUGIURA TSUTOMU
IPC: C07D207/267
Filed: 2011-02-15
Abstract: PROBLEM TO BE SOLVED: To provide an organic solvent recovery system equipped with a configuration enabling reduction of the energy used in the system.SOLUTION: In the organic solvent recovery system 1B, the performance of a condenser 20 is improved by lowering the concentration rate. An increase in the cooling temperature of a cooler 300 from 28°C to 40°C and an increase in the introduction temperature of an air-supply heater 500 from 33°C to 70°C are thereby allowed, leading to a reduction of the utility consumptions of the cooler 300 and the air-supply heater 500. The energy used by the whole system can thus be reduced.
Patent JP-2012165913-A (JP)
Title: Game machine
Inventor: NAKAMURA KAZUHIRO
IPC: A63F7/02
Filed: 2011-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a game machine which can prevent performance of a fraudulent game by attaching counterfeited parts.SOLUTION: The game machine GM includes: a power source board 20; and a control board 21 to which power is supplied from the power source board 20, and which includes a control means 21A to execute control relating to games. The power source board 20 includes a removal detection means 20B to detect a removing act in which the formal control means 21A of the control board 21 is removed from the control board 21. The power source board 20 or/and the control board 21 are structured to include a game stopping means 21B to stop the progression of a game when a removing act is detected by the removal detection means 20B.
Patent JP-2012166736-A (JP)
Title: Air suspension control device for vehicle
Inventor: MOCHIZUKI TAKASHI
IPC: B60G17/0165
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To provide an air suspension control device for a vehicle, which can securely perform crouching control and of which the consumption of compressed air can be suppressed, while preventing either right or left front wheel of the vehicle from lifting even when height of road surfaces with which front wheels of the vehicle come in contact are different between the right and left front wheels.SOLUTION: In a normal mode of step S1 in which crouching control and vehicle height adjustment control are not performed, it is determined whether, the vehicle is on an undulated road in step S2, and when the vehicle is on the undulated road, respective leveling control in the vehicle rear right and left is compulsorily stopped in step S3.
Patent JP-2012165946-A (JP)
Title: Tape-type disposable diaper
Inventor: NAKAMURA NANAE
IPC: A61F13/494
Filed: 2011-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a tape-type disposable diaper having standing gathers with excellent leakproof property.SOLUTION: The tape-type disposable diaper 1 includes: an absorbent body 14 composed of a front part 2, a crotch part 4 and a back part 6 and having an absorber 22, a top sheet 18 and a back sheet 20; fastening tapes 50 which are arranged to extend from right and left side edges 6a and 6b of the back part 6 of the absorbent body 14; and at least a pair of standing gathers 26 which are arranged on the surface of the top sheet 18 so that the gathers extend along the both side edges of the absorber 22. A proximal part 28X to a distal part 28Y of the standing gather 26 is made of at least two sheet materials 32a and 32b. The at least two sheet materials 32a and 32b are bonded by a heat seal 29 at the distal part 28Y side of the standing gather 26 in the extending direction P of the gather along the side edge of the absorber 22.
Patent JP-2012175121-A (JP)
Title: Printer, and sa establishment method for the printer
Inventor: OGATA HIDEAKI
IPC: G06F21/00
Filed: 2011-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a printer and security association (SA) establishment method for the printer capable of rapidly restarting IPsec communication.SOLUTION: In a printer 1 and SA establishment method for the printer 1 of the present invention, an SA deletion parameter set is permanently preserved in a nonvolatile storage part 4. When an SA parameter set is not preserved in a volatile storage part 3 and also the SA deletion parameter set is preserved in the nonvolatile storage part 4, SA parameter exchange means 2 transmits to an opposite side communication apparatus 10, an SA deletion notification message that is generated based on the SA deletion parameter set by SA deletion notification message generation means 7.
Patent JP-2012175205-A (JP)
Title: Radio communication device and control method of radio communication device
Inventor: KASAI YUJI
IPC: H04B1/44
Filed: 2011-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a radio communication device that can perform self-adjustment to a state in which a target signal can be optimally received in an environment in which intermodulation distortion exists, without using an external signal.SOLUTION: A test signal generation unit 600 generates a test signal having a level higher than a signal level of normal sensitivity of a reception circuit 330 by a prescribed level. A reception signal which was received by an antenna and then went through a variable attenuator 310 is combined with the test signal from a test signal generation unit 510 by a directional coupler 320 and output to the reception circuit 330. An attenuation adjustment unit 530 adjusts the attenuation amount of the variable attenuator 310 such that the reception sensitivity for the test signal becomes the normal sensitivity when the reception circuit 330 performs reception processing of the combined signal.
Patent JP-2012175819-A (JP)
Title: Vehicular electric power supply system
Inventor: OGASAWARA KEITA
IPC: B60L11/18
Filed: 2011-02-22
Abstract: PROBLEM TO BE SOLVED: To suppress discharge by auxiliary equipment when a need of lowering output voltage from a DC/DC converter arises due to actuation of a specific auxiliary equipment load, etc.SOLUTION: The DC/DC converter 100 outputs an output voltage Vdc generated by converting an AC voltage from a first secondary coil 102 of a transformer Tr into a DC voltage through a conversion circuit 105, to a point between power wiring AMD and a ground node G1. The power wiring AMD is connected to power wiring for an auxiliary equipment load and to a positive terminal 21 of an auxiliary battery 20. The output voltage Vdc from the DC/DC converter 100 is lowered in response to actuation of the specific auxiliary equipment load. In a normal condition, a switch circuit 125 connects a negative terminal 22 of the auxiliary battery 20 to the ground node G1. When the output voltage Vdc is lowered, the switch circuit 125 connects the negative terminal 22 to a second secondary coil 103 of the transformer Tr, thereby charges the auxiliary battery 20 with a voltage higher than the output voltage Vdc.