baber/WOPTO huggingface dataset:
Patent JP-2004200253-A (JP)
Title: Light-emitting device
Inventor: HORI KAZUTAKA
IPC: H01L33/62
Filed: 2002-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To reduce warpage being generated by the junction between a metal plate and an insulating base material in a light-emitting device using a light emitting diode element.  <P>SOLUTION: The light-emitting device 100 comprises a metal plate 1, an insulating base material 2 joined to the metal plate 1, and the light-emitting diode element 3 mounted to the metal plate 1. The insulating base material 2 is in a shape where an aspect ratio differs, and a plurality of light-emitting diode elements 3 are arranged along the longitudinal direction of the insulating base material 2. The metal plate 1 is divided into three metal plates 11, 12, 13, and the metal plates 11, 12, 13 are joined to the insulating base material 2 while being aligned in the longitudinal direction of the insulating base material 2. Warpage being generated in the junction between the metal plate 1 and the insulating base material 2 becomes partial at the junction between respective metal plates 11, 12, 13 and the insulating base material 2, and warpage at the junction section between respective metal plates 11, 12, 13, and the insulating base material 2 also becomes small.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196893-A (JP)
Title: Yellow ink jet ink composition
Inventor: NOMURA HIDESHI
IPC: C09D11/00
Filed: 2002-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ink jet ink composition which has excellent storage stability, hardly clogs ink jet nozzles, can realize the stable discharging of the ink over a long period, and can be produced without passing through a complicated purification process.  <P>SOLUTION: This yellow ink jet ink composition comprising at least a yellow organic pigment PY138, a PY138 derivative, and water is characterized in that the PY138 derivative has a sulfonic group salt-bonded to an alkali ion and that the rate of water occupying in all solvents is ≥50 wt. %.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196480-A (JP)
Title: Sheet discharging apparatus
Inventor: TANAKA MASARU
IPC: B65H43/06
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the generation of a fault in a staple unit by stapling a thick bundle of paper and staple jam by the staple fault.  <P>SOLUTION: A sheet discharging apparatus comprises a stamp 501 for pressing the bundle of paper; a sensor flag 503 mounted to the opposite side via the operating support member of the stamp; and a sensor 504 for detecting the sensor flag 503. Then, sensor information is set to be the bundle thickness information of the paper.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197441-A (JP)
Title: Temporary scaffolding with soundproof panel
Inventor: SUDO JUN
IPC: E04G5/00
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To avoid the influence of a strong wind when the strong wind such as a typhoon blows, in terms of, for example, temporary scaffolding with a soundproof panel which is mounted on the outer periphery of the temporary scaffolding so as to inhibit the noise of construction work from being leaked outward.  <P>SOLUTION: In the temporary scaffolding 1 with the soundproof panel, the soundproof panel 2 which is mounted on the outer peripheral part of the temporary scaffolding 20 is mounted on the temporary scaffolding 20 in a manner of freely being opened and closed so as to be almost horizontally tilted outside by making one end of the panel serve as an axis.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004201138-A (JP)
Title: Ultrasonic wave vibrator
Inventor: OMURA MASAYOSHI
IPC: H04R17/00
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultrasonic wave vibrator provided with a backing member, which has a high waterproofness and can reduce deterioration in ultrasonic performance in the case of being used in an acoustic medium.  <P>SOLUTION: This ultrasonic wave vibrator 3 whose ambient is filled with the acoustic medium 37 such as water is housed in an exterior cap 36. The ultrasonic wave vibrator 3 is formed by laminating an acoustic matching layer 45 and an acoustic lens 46 at a front surface of an ultrasonic wave transmitting and receiving side in a piezoelectric element 4 and by providing the backing member 47 formed with a synthetic rubber with moderate stiffness which is made of a mixture including acrylonitrile-butadiene rubber (NBR), ethylen-propylene terpolymer (EPDM), and inorganic fine powders at a rear surface side to thereby realize the ultrasonic wave vibrator 3 which has excellent waterproof, a large ultrasonic wave absorption coefficient and little deterioration in ultrasonic wave performance with the lapse of time.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003221823-A (JP)
Title: Oil fence
Inventor: MIYAZAKI KUNIO
IPC: E02B15/06
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oil fence capable of fulfill a function as a barrier preventing securely dispersion of outflow oil against violent movement of waves or tidal motion.  <P>SOLUTION: In an oil fence to which a number of float units are connected, the float unit has a box body provided with an oil shielding face to be vertically erected against the sea surface, a float having a buoyancy, and a weight positioned below the float. The float and the weight are adjusted so that the almost middle position in the vertical length of the oil shielding face coincides with a water line. The connection section is a flexible connection part where the relative position of adjacent float units can be moved.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004169174-A (JP)
Title: Double-sided simultaneous treatment plasma system
Inventor: SAITO MIYUKI
IPC: C23F4/00
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simultaneous double-sided treatment plasma system by which both sides of a substrate can be simultaneously and uniformly subjected to an RIE (reactive ion etching) effect and, in a state where the substrate, such as BGA (ball grid array) and CSP (chip size/scale package), is held in a magazine, the respective substrate surfaces of the substrate can be uniformly cleaned and improvement in bonding property and also improvement in the adhesion of molded resins, solder balls, etc., to the substrate surface can be realized.  <P>SOLUTION: Physical sputtering for double-sided simultaneous treatment cannot be done by the conventional method using a DC bias voltage of a single electric power source. However, by combining a high-frequency power source of high frequencies with a push-pull power source of lower frequencies dissimilar to each other, that is, by using a method where voltage superposition between the two power supply frequency electrodes is applied, both-sided sputtering treatment is made possible and modification treatment for a narrow hollow and desmear treatment for a deep small hole are made possible.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003229555-A (JP)
Title: Radiation detector and formation of contacts on semiconductor substrate used for imaging device
Inventor: ORAVA RISTO OLAVI
IPC: H01L31/0224
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To sufficiently and electrically isolate contacts composed of gold or platinum on a CdZnTe surface from each other, in order to prevent deterioration of contrast resolution which is to be caused by leakage of signals from an adjacent contact (picture element pad).  <P>SOLUTION: A method suitable for forming metal contacts (31) at positions which are used for forming radiation detector cells on a semiconductor substrate (1) contains a step wherein at least one layer composed of materials (11, 12) is formed on a surface of the substrate together with formation of apertures (23) which reach the surface of the substrate at contact positions, a step for forming a layer composed of metal (24) on the layer composed of the materials and on the apertures, and a step wherein metal (28) coating the layer composed of the materials is eliminated and individual contacts are isolated from each other. Formation of a passivation layer (11) which is to be left between the individual contacts on the surface of the substrate may be added optionally to the method. In the method, a matter is prevented wherein corrosive solution used for eliminating unnecessary gold (or other contact materials) is brought into contact with the surface of the substrate (e.g. CdZnTe) and deteriorates resistance characteristic of the substrate. Effect and usage of the method are also described.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004206504-A (JP)
Title: Real estate property search program and its device
Inventor: SASAKI SHIGENORI
IPC: G06Q50/00
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a noise value of a real estate property depending on a residence time of a prospective dweller in a search for the real estate property.  <P>SOLUTION: When a user terminal inputs property search conditions including residence time zone information about prospective dwellers who will dwell in a property, a real estate property search program and device search properties according to the search conditions, compare noise information about a property fulfilling the search conditions and the residence time zone information about the prospective dwellers to compute a noise value in residence time zones of the prospective dwellers, and output the noise value to the user terminal.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202016-A (JP)
Title: Chart for displaying examination data, and display method thereof
Inventor: ARAI TAKANORI
IPC: G06Q50/22
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a chart for displaying examination data allowing a subject of examination to easily and correctly grasp the examination data, and the display method.  <P>SOLUTION: The chart for displaying examination data is characterized as the examination data of a plurality of examination items with different range of the reference value are indexed and the range of the indexed reference value (reference index value) is the same to be displayed. The display method of examination data is characterized as the examination data of a plurality of examination items with different range of the reference value are indexed and the range of the indexed reference value (reference index value) is the same to be displayed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004205138-A (JP)
Title: Hot water storage type hot water supply heat source device
Inventor: TANOGASHIRA KENICHI
IPC: F24H1/18
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To prevent energy loss by storing hot water in a hot water storage tank in a specified time.  <P>SOLUTION: This device is provided with an operation control means for controlling a hot water storage operation which operates a heat pump device for heating and operates a heating type circulation means. The heating type circulation means is formed to be switched between a slow temperature rise operation in which hot water removed from the bottom part of the hot water storage tank 1 is heated by passing the hot water through a hot water storage heat exchanger 33 and the heated hot water is returned to the bottom part of the hot water storage tank 1 and a rapid temperature rise operation in which the hot water removed from the bottom part of the hot water storage tank 1 is heated by passing the hot water through the hot water storage heat exchanger 33 and the heated hot water is returned to the upper part of the hot water storage tank 1. The operation control means controls the operation of the heating type circulation means so as to operate the heating type circulation means by the slow temperature rise operation under a condition where an air heat exchanger frosts by the rapid temperature rise operation, and to operate the heating type circulation means by the rapid temperature rise operation under a condition where the air heat exchanger does not frost even if the rapid temperature rise operation is performed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202064-A (JP)
Title: Biodegradable hand strap
Inventor: SAKKA HIDEO
IPC: A45C13/30
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide, at a low cost and by an easy production method, a hand strap whose connection part between an attachment string body and a strap belt body is sufficiently strong and which is biodegradable.  <P>SOLUTION: A biodegradable hand strap 10 includes: an attachment string part 20 to be attached to an article to be attached including a case of a portable electronic apparatus; and a belt body 30 to be connected to the attachment string part. The belt part includes through-holes 36a, 36b where the attachment string part is penetrated through them. The attachment string part is connected to the belt part via the through-holes. The attachment string part and the belt part are made of a polylactic acid resin.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004205958-A (JP)
Title: Display device
Inventor: SATO HIDEO
IPC: H04N5/202
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display device capable of making gamma correction of a video signal voltage applied to each pixel without modulating a ramp voltage.  <P>SOLUTION: Provided is a driving circuit which supplies the video signal voltage to a plurality of video signal lines. The driving circuit has a storage circuit which stores display data inputted from outside, a reference data generating circuit which generates reference data, a ramp voltage generating circuit which generates the ramp voltage, a plurality of comparing circuits which compare the display data stored in the storage circuit with the reference data generated by the reference data generating circuit, and a plurality of sampling circuits which sample the ramp voltage generated by the ramp voltage generating circuit according to comparison results of the comparing circuits and output the sampled ramp voltages as video signal voltages to respective video signal lines, the reference data generated by the reference data generating circuit linearly varying with time.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204632-A (JP)
Title: Corner part connecting structure of composite window frame
Inventor: SUYAMA HIROSHI
IPC: E06B1/32
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To secure a connecting strength of a corner part, heat insulation performance in a mullion part and design performance, and to reduce the number of processes for attachment by reducing the number of parts.  <P>SOLUTION: A corner part connecting structure of composite window frames, in which composite window frames 1, 2 are connected at a predetermined angle by interposing a mullion 10 at the corner part, is structured as follows. An angle piece 51 is formed on resin vertical frames 43 of the composite window frames 1, 2, and a curved recess part 60 is formed by the angle piece 51 and an indoor side surface 12 of the mullion 10. The recess part 60 is blocked up by attaching a main block-up material 21 and a secondary block-up material 22. The main block-up material 21 is continuously fixed to the angle piece 51 of the resin vertical frame 43, and is engaged with an engaging part 16 provided on the indoor side surface 12 of the mullion 10. The secondary block-up material 22 is continuously fixed to the angle piece 51 of the other resin vertical frame 43 and is engaged with the main block-up material 21.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004206019-A (JP)
Title: Developing roll
Inventor: OYAMA YUKIO
IPC: G03G15/08
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lightweight developing roll in which accuracy of position is not lowered and a drive force in sliding is not increased.  <P>SOLUTION: A rubber elastic layer 5 is formed on the outer peripheral surface of a core metal 2 where a small diameter part 3a provided on both ends of an aluminum pipe part 3 is force fitted into a recessed part 4b of a steel shaft end part 4, and thus the developing roll 1 is obtained.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004213181-A (JP)
Title: Encapsulated document structure, storage medium, information processor, encapsulated document preparing/editing device and starting program
Inventor: SUZUKI AKIRA
IPC: G06F21/64
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a document structure capable of preventing mixing of an ill-intentioned program regardless of operating environment of a computer.  <P>SOLUTION: An encapsulated document 64 is prepared by integrally encapsulating an encrypting public key 61 decoding encrypted digital information, a file 62 of an encrypted operation program decoded on the basis of the encrypting public key 61, and a file 63 of document information expressed and substantialized on the computer by the decoded operation program, as a single document. Thereby, the document 64 can be read even under environment different from a producer's computer. By imposing a limit by a security function on the operation program such that the file 62 of the operation program is decoded by a starting program 65 by use of the encrypting public key 61, the mixing of the ill-intentioned program is prevented to safely read the document.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004208570-A (JP)
Title: Natural fiber base, natural fiber base with lawn and method for producing natural fiber base
Inventor: TANAKA SHINJI
IPC: A01G9/10
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a natural fiber base which promotes growth of plants and keeps its shape and function for a long period of time.  <P>SOLUTION: The natural fiber base is produced by processing bark of Cryptomeria japonica and/or white cedar into chips for vegetation, mixing the chips with an adhesive and subjecting the chips to pressure forming.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004211781-A (JP)
Title: Friction plate for wet type clutch
Inventor: HASEGAWA HIROAKI
IPC: F16D69/00
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To control excessive increase of initial engaged friction coefficient of a brand-new clutch while maintaining μ-V torque characteristic with a positive slope, in a friction plate for the wet type clutch.  <P>SOLUTION: The friction plate comprises a core plate 2, and a friction material 3 connected on both sides of the core plate 2. The friction material 3 is provided with multiple friction material segments 4 which are arranged to form primary oil grooves 6 between every friction material segment. Secondary oil grooves 7 are formed on the surface of each friction material segment 4 by means of engraving, and a pore ratio of the friction material 3 in the vicinity (a) of the secondary oil groove 7 is set to be smaller than that at the other part (b) of the friction material 3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004208967-A (JP)
Title: Shop-visit service system and display device for game store
Inventor: HASE SATORU
IPC: A63F7/02
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shop-visit service system for a game shop for making many playing customers visit a shop from the morning so as to become a state where all the game machines are used a fixed period later.  <P>SOLUTION: The system is provided with: a management computer which collects operation data generated with operation of a game machine by each game machine and storing it in its own storage part; and a primary operation judging means (S102) for judging whether the operating state of the game machine since opening the shop meets an operation primary condition, to which an operation amount fixed as a primary condition is set, based on a signal fed from the game machine. When the judging condition is met, a service to the game customer is performed. The system is provided with a member's first game judging means (S204) to specially perform a point service etc. in the case of meeting a member's first game judging condition in addition to the primary operation judging condition. The system is also provided with a special selected machine judging means (S303) to specially give a service product etc. in the case of meeting a special selected machine judging condition in addition to the primary operation judging condition. Only by playing with a game machine which has not operated into a prescribed state since opening, the customer can receive privilege more advantageous than usual.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004177392-A (JP)
Title: Measuring method and apparatus for linearity and flatness
Inventor: SUZUKI NORITO
IPC: G01B11/30
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for measuring the linearity, and protrusions and recesses on a surface along a curve, having an accuracy level of a nanometer or subnanometer.  <P>SOLUTION: Shearing interference meters, having three points, are constituted by combining the two shearing interference meters using orthogonal two-frequency lasers as a light source, in such a manner that one luminous flux of one of the two meters coincides with one luminous flux of the other of the meters. The distance between the three points, i.e., the difference in two optical paths is measured, to simultaneously measure the protrusions and recesses of the surface measured and an error accompanying movement of the surface measured.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004501558-A (JP)
Title: 放送システムのためのビデオ・オン・デマンドサービスを提供する方法
IPC: H04N7/173
Filed: 2001-05-31
Abstract: データ・オン・デマンドサービスを提供するために、中央制御サーバ（１０２）によってクライアントにデータを送信する方法であって、以下のステップを含む。データファイルを受け取るステップと、時間間隔を特定するステップと、各データブロックが前記時間間隔中に表示可能となるように、前記時間間隔に基づいて、前記データファイルを複数のデータブロックに分解するステップと、データファイルを送信するために必要とされるタイムスロットの数を決定するステップと、複数のデータブロックのうち少なくとも第１のデータブロックを、そして必要に応じて追加の１つまたはそれ以上のデータブロックを、各タイムスロットに割り当てるステップと、である。データブロックを割り当てるステップは、以下のように割り当てを行う。どのタイムスロットから開始しても、（ｉ）複数のデータブロックのうちの第１のデータブロックにアクセスすることによって、データファイルが表示されることができ；（ｉｉ）直前に表示されたデータブロックに続く次のブロックを、次の１タイムスロットにおいて表示することができ；（ｉｉｉ）データファイルの複数のデータブロックが全て表示されるまでステップ（ｉｉ）を繰り返し、割り当てのステップに基づいてそれら複数のデータブロックを送信することができるように、割り当てを行う。 【選択図】図１Ａ
Patent JP-2004503532-A (JP)
Title: セリンプロテアーゼインヒビター
IPC: A61P7/02
Filed: 2001-06-12
Abstract: 本発明は、式（Ｉ） 【化３６】     （式中、Ｒ ２ 、Ｘ、Ｌ、Ｙ、Ｃｙ、ＬおよびＬ ｐ （Ｄ） ｎ は本明細書で示す意味を有する）の化合物がセリンプロテアーゼ、因子Ｘａのインヒビターであり、また心臓血管障害の処置に有用であることに関する。
Patent JP-2004533802-A (JP)
Title: ヒトｆａｄプレセニリン突然変異をもつ標的遺伝子組換え非ヒト哺乳動物および生殖による子孫
IPC: G01N33/48
Filed: 2001-07-19
Abstract: 本発明は、突然変異されたＦＡＤプレセニリン−１（ＰＳ−１）遺伝子、ヒトＦＡＤスウェーデン型突然変異およびヒト化Ａβ突然変異の突然変異体タンパク質産物をコードする遺伝子を有する標的遺伝子組換え非ヒト哺乳動物ならびにその生殖による子孫、ならびに、突然変異されたＦＡＤ  ＰＳ−１遺伝子およびヒトスウェーデン型ＡＰＰ６９５突然変異の突然変異体タンパク質産物をコードする遺伝子を有する標的遺伝子組換え非ヒト哺乳動物ならびにその生殖による子孫、ならびに、アルツハイマー病の治療において有用な化合物の同定方法、およびアルツハイマー病の治療方法を提供する。
Patent JP-2004527015-A (JP)
Title: 資金記憶装置から電子的な金額を伝送するための方法及び装置
IPC: G07F7/10
Filed: 2001-08-02
Abstract: 本発明は、電子的な金額を送金側の資金記憶装置から受取側の口座ないし資金記憶装置に、リアルタイムで遠距離通信ネットワーク及びデータネットワークを介して伝送する方法に関する。
Patent JP-2004507782-A (JP)
Title: クラッド・モード結合を使用した光ファイバ・バス、変調器、検出器およびエミッタ
IPC: H01S5/0687
Filed: 2001-08-21
Abstract: 本発明は、このように、損失を最小限に抑えて直列でカスケード接続し、簡略な方法で接続することができる、簡略でファイバ結合式、低損失かつ波長選択的な半導体構成部品を提供する。
Patent JP-2004507844-A (JP)
Title: 回転アクチュエータ
IPC: G01D11/16
Filed: 2001-08-18
Abstract: 回転可能に支承された操作軸２と、この操作軸に連結された手動操作可能な把手３と、この把手３の回転時に触覚を発生させるための装置５とを備え、この装置５が機械的な係止装置として形成され、かつ係止カムと、この係止カムに係合する少なくとも１個の係止要素１２，１２′とを備えている、回転アクチュエータにおいて、触覚発生装置５に作動装置１５，１６が付設され、操作軸２の回転運動時に係止カムによって印加される触覚を発生するための、少なくとも１個の係止要素１２，１２′と係止カムとの協働作用が、作動装置１５，１６の制御によって開始または停止可能であるように、作動装置が係止カムまたは少なくとも１個の係止要素１２，１２′に作用するように設計されている。
Patent JP-2004512711-A (JP)
Title: 無線通信ネットワーク
IPC: H01Q1/24
Filed: 2001-09-10
Abstract: 【解決手段】無線通信ネットワークであって、そのアンテナ列（２６）は遠隔ユーザーとの間で信号を送受信するもので、広く変化する交信レベルに適合することができる。異なるアンテナ要素（２４）が高ユーザー期間にはオンとされユーザーが少ないときにはオフとされる。ビーム幅も変更でき、交信レベルが低いときには広ビームを有した少数のアンテナを使い、交信が高いときには狭ビームを有した多数のアンテナを使う。一般的に最大容量では１８０個のアンテナ要素を使い、ビーム幅を約２度として全３６０度をカバーする。このネットワークは回路スイッチネットワークまたはパケットスイッチネットワークとして機能できる。
Patent JP-2004509269-A (JP)
Title: 主ポンプ及び進入圧力ポンプを備えた液圧装置
IPC: F04B23/02
Filed: 2001-06-29
Abstract: 本発明は主ポンプ（１２）と予圧縮ポンプ（５）とを備え、予圧縮ポンプ（５）の出口（８）が連結管路（９）によって主ポンプ（１２）の入口（１１）に連結されている液圧装置（１）に関する。主ポンプ（１２）の出口（１６）は作用管路（１７）によって消費部（Ａ、Ｂ）に連結されている。主ポンプ（１２）の入口（１１）における容積流量が可変である。本発明の目的はより大きい効率を達成することである。予圧縮ポンプ（５）は流量速度を調整する調整装置（６）を備えている。 【選択図】図１