baber/WOPTO huggingface dataset:
Patent JP-2003137428-A (JP)
Title: Flat panel vertically carrying belt conveyor
Inventor: HAYASHI TAKEHIDE
IPC: B65G49/06
Filed: 2001-10-30
Abstract: PROBLEM TO BE SOLVED: To solve the problem of a current flat panel carrying belt conveyor that handling in the horizontal direction has been hard because of deflection of the panels due to large-dimension and reduction of thickness of the panels when carrying the panels by horizontally housed with about twenty pieces of flat panels such as a liquid crystal glass board in a cassette and the problem that a current method of receiving a load of the panel with a roller conveyor is not sufficient to prevent the generation of damages of the panels and to maintain cleanness of the panel, and to provide a flat panel vertically carrying belt conveyor desirable from the points of preventing the generation of damages and saving of a space. SOLUTION: The flat panel 1 is held is the vertical condition by rollers and a contact-less floating unit, and a recessed guide 4 is fitted to the belt conveyors 5 and 5', and the panel 1 is placed thereon for carrying to prevent the generation of damages and micro crack of the panel 1. An exhaust fan 7 and an exhaust duct 6 are provided in a conveyor cover 3 to prevent the discharge of the air of the belt conveyors 5 and 5' to the outside, and cleanness of the panel 1 is thereby maintained when carrying.
Patent JP-2002277553-A (JP)
Title: Radiation detector
Inventor: SHIBUYA KENGO
IPC: G01T1/20
Filed: 2001-12-04
Abstract: PROBLEM TO BE SOLVED: To provide a radiation detector needing an extremely short period (a sub-nanosecond order or less) from the rise of light emission to extinction thereof and capable of measuring a radiation quantity, in relation to a radiation detector for ionizing radiation of a γ ray, an X-ray, an electron beam, a heavy charged particle beam, neutron radiation and the like. SOLUTION: This radiation detector uses, as a scintillator, a perovskite type organic-inorganic hybrid compound (R<1> -NR<11> 3 )2 MX4 , (R<2> =NR<12> 2 )2 MX4 , (NR<13> 3 -R<3> -NR<13> 3 )MX4 , or (NR<14> 2 =R<4> =NR<14> 2 )MX4 (in the formulae, R<1> is a monovalent hydrocarbon group, R<2> is a bivalent hydrocarbon group that may be cyclic, R<3> is a bivalent hydrocarbon group, R<4> is a quadrivalent hydrocarbon group, R<11> -R<14> each are a 2 or less H or C alkyl group, M is a group IVa metal, and X is a halogen atom). The radiation detector can quantify the detected radiation quantity.
Patent JP-2003173270-A (JP)
Title: Software debugging device
Inventor: ITO MASAHIRO
IPC: G06F11/36
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a software debugging device capable of extracting and easily understandably displaying information required for a software designer from dump information obtained from a hardware simulator.  <P>SOLUTION: This software debugging device displays the information by an output device by processing the information by a central processing unit and a peripheral device by inputting the information from an input device, and is provided with a part for acquiring the dump information made by the hardware simulator, a part for analyzing the dump information, and a part for controlling a display of an analytical result. Software separately displays the information when executing operation to hardware and the information when changing a value of an I/O register by the hardware itself.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003179633-A (JP)
Title: Buffer management method for packet switch and optical packet switch using the same
Inventor: HARAI HIROAKI
IPC: H04L47/20
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a buffer management method for a packet switch capable of increasing a rejection rate of packets of low priority and reducing the rejection rate of the packets of high priority at a high speed, and an optical packet switch using it.  <P>SOLUTION: In constitution comprising a queue for temporarily keeping transmitted packets, the keeping means and a signal processor for successively taking out and processing the packets kept in the queue and provided with a threshold for a predetermined queue length and a predetermined abandonment level for the packet, the buffer management method comprises a procedure of successively putting all the packets to the queue while the queue length is shorter than the threshold, the procedure of changing a storing position from the position in the case of successively putting them in the queue depending on the predetermined packet abandonment level in the case that the queue length is equal to or longer than the threshold and the procedure of successively taking out and processing the packets kept in the queue.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003176635-A (JP)
Title: Lift for mechanical parking facility
Inventor: MORI RYOZO
IPC: E04H6/28
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To permit effective delivery of trays between a lift and a destination of delivery such as a carrying truck or a docking block by a simple facility configuration thereby simplifying the facility and reducing the costs even though the span between a right and a left lift guides is widened when the entering and leaving sections of automobiles are set at the lower portion of a lift passage and a bottom embarkation method is adopted.  <P>SOLUTION: On the lift frame 72 of a lift 7, a tray support unit 73 is installed in a slidable manner in a delivery direction of a tray 6 by installing a direct driven guide 85 and a direct drive device 86 between them, so as to approach the destination of delivery of the tray 6.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003175343-A (JP)
Title: Apparatus and method for classification
Inventor: TANAKA TETSUYA
IPC: B07B7/08
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a classifying apparatus capable of high efficiently separating particles within a required size by enabling a rise of a dispersing property in a dispersion room of a classifying apparatus by easy change of a facility to improve classifying precision in a classifying room of the classifying apparatus.  <P>SOLUTION: The dispersion room wherein powder material is dispersed by giving a spiral flow to powder material to be fed together with carrying air; a classifying room for centrifugally classifying powder material flowed in from the dispersion room by being provided successively below the dispersion room into impalpable powder and coarse powder; a conical member for dividing the dispersion room and the classifying room; and a classifying board for dividing the classifying room and for classifying the powder material into fine powder and coarse powder are provided. The powder material fed from a powder material feed opening provided to an upper part of the dispersion room discharges super fines by receiving a rotary dispersing action by a spiral flow formed inside the dispersion room. In the classifying apparatus which classifies the powder material into the impalpable powder and the coarse powder by centrifugal separation by being further introduced to the classifying room, an upper part spiral flow in the dispersion room 3 is changed and a stay-preventive means 11 for preventing a stay of solid particles of the powder material is provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177747-A (JP)
Title: Mixer device and music device capable of communicating with the mixer device
Inventor: ITO MIKIO
IPC: H04B17/40
Filed: 2001-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To remove complication of wiring and restrictions accompanying wiring by abolishing wiring of a cable between a plurality of music devices and a mixer device.  <P>SOLUTION: A plurality of music devices 10 to 30 such as an electronic musical instrument and a microphone device are connected to the mixer device 40 by radio. Bluetooth modules are adopted as a radio communication means, and a piconet having the mixer device 40 as a master and having each of music devices 10 to 30 as a slave is constituted. Bluetooth modules 11, 21, 31, and 41 are used to transmit audio signals and MIDI data from the music devices 10 to 30 to the mixer device 40 by radio in accordance with an isosychronous communication system. The mixer device 40 generates a music signal based on MIDI data with respect to the MIDI data, and this music signal and the audio signals transmitted by radio are mixed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003179508-A (JP)
Title: Device and method for controlling transmission output power
Inventor: HIGUCHI KOJI
IPC: H04B1/04
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a burst transmitter capable of preventing the spreading of spectrum even if the envelope of transmission output power is controlled by controlling a baseband signal when a constant envelope modulation is used.  <P>SOLUTION: The transmitter comprises an I/Q signal amplitude control unit 101 for variably controlling the waveform of a baseband signal of a rise and a fall and the burst transmission time from the end of the rise to the beginning of the fall in accordance with a modulation system signal, a modulating unit 2003 for modulating the baseband signal controlled in the unit 101 into a high-frequency signal for transmission in accordance with a modulating system signal, an amplifier 2004 for amplifying the signal modulated in the unit 2003, and a control voltage signal selecting unit 102 for outputting a predetermined constant voltage determined by the modulation system signal and a transmission power level signal to control the output power of the amplifier 2004.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003183043-A (JP)
Title: Upper seal structure of apparatus for manufacturing optical fiber preform and upper sealing method
Inventor: INOUE MASARU
IPC: G02B6/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an upper seal structure and a sealing method for an apparatus for manufacturing an optical fiber preform which inhibits an intrusion of an atmospheric air into a reaction chamber through a gap around a shaft in manufacturing an optical fiber preform by the VAD method.  <P>SOLUTION: In an apparatus for manufacturing an optical fiber preform having an reaction chamber 1 to deposit glass microparticles formed by a flame reaction of a raw material gas at a starting member installed at the tip of a shaft 3 and an upper chamber 2 set on the reaction chamber 1 where a deposited porous optical fiber preform is pulled and stored, a separable lid 5 is installed on the top opening of the upper chamber. The lid 5 has a hole 6 to insert a shaft 3 at its center, a divided space and an inlet of a clean gas 9, which has a structure to flow out the clean gas introduced into the lid along the shaft 3 from the space inside the lid to both the reaction chamber and the outside.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003187610-A (JP)
Title: Lighting tool for vehicle
Inventor: ARITA MASAHIRO
IPC: F21Y101/00
Filed: 2001-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lighting tool for a vehicle with the curtailed number of parts capable an alleviating stress generated at a reflector at aiming.  <P>SOLUTION: The lighting tool for a vehicle 10 comprising a housing 11 with an open front face, a bulb 14 arranged inside the housing through a socket 13, a reflector 15 formed in a concave shape toward front so as to surround the bulb, and a nut 15a fitted to the reflector 15 so as to get screwed with an adjustor bolt 11a set in the housing for positioning adjustment of the housing is so structured that the reflector 15 is integrated with the nut by the help of resin, and at the same time, is equipped with a flection 15b for stress relief in the vicinity of the nut.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185799-A (JP)
Title: Phosphor sheet manufacturing device
Inventor: KASHIWATANI MAKOTO
IPC: G01T1/00
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a phosphor sheet manufacturing device enhancing the quality of a phosphor layer in such a way that the radiation characteristic of the phosphor layer is enhanced for high-quality radiation images by constructing the high-quality phosphor layer with a very fine structure on a phosphor sheet, in the manufacture of the phosphor sheet on which the (stimulable) phosphor layer is formed by vacuum deposition.  <P>SOLUTION: The phosphor sheet manufacturing device for forming the stimulable phosphor layer on a sheet-shaped base by vacuum deposition includes a vacuum chamber, a vacuum evacuation means for evacuating the inside of the vacuum chamber, an evaporating means for phosphor materials forming the phosphor layer, and a means for exciting at least one of the phosphor materials evaporated. The excited phosphor material is deposited on the sheet- shaped base.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003182072-A (JP)
Title: Ink jet head and ink jet recorder
Inventor: MATSUBARA MITSUHIRO
IPC: B41J2/045
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To enhance ink ejection velocity of a nozzle 14 by decreasing the fluid resistance as much as possible under a state where conventional nozzle diameters are employed on the ink inflow side and the ink ejection side.  <P>SOLUTION: First and second taper parts 14a and 14b where the nozzle diameter decreases toward the ink ejection side are formed from the ink inflow side end part to the intermediate part in the axial direction of a nozzle 14. The taper angle θ2 of the second taper part 14b on the ink ejection side is set larger than the taper angle θ1 of the first taper part 14a on the ink inflow side. A straight part 14c is employed at the ink ejection side end part of the nozzle 14.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003182240-A (JP)
Title: Heat sensitive recording material
Inventor: MORI HISAYASU
IPC: B41M5/327
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat sensitive recording material, which includes an electron donative dye precursor and an electron acceptive compound as color developing components, with which a favorable blue to cyan color developing density is obtained, which suppress the fading of the image part of a formed image and the photocoloration of its ground part and which is especially excellent in light resistance.  <P>SOLUTION: In the heat sensitive recording material having a heat sensitive recording layer on a support, the heat sensitive recording layer includes the electron donative dye precursor represented by general formula (1) [wherein R<SP>1</SP>is a hydrogen atom or an alkyl group; R<SP>2</SP>and R<SP>3</SP>are each a hydrogen atom, an alkyl group or an aryl group; Ar is an aryl group; and X<SP>1</SP>to X<SP>4</SP>are each a nitrogen atom or a CH.] and a metal salicylate.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003180990-A (JP)
Title: Prize winning device for game machine
Inventor: TSUNEMI KAZUHIRO
IPC: A63F7/02
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a prize winning device for a game machine allowing a sound game moderately suppressing the probability of a big hit.  <P>SOLUTION: This prize winning device 5 provided in a suitable place of the game machine is provided with at least a specific region 7 through which prize game balls can pass, and a guide part 15 for guiding the game balls to the specific region 7. The guide part 15 is formed of right and left movable pieces 16 movable into a position of being able to guide the game balls to the specific region, and a position out of guide or hard to guide, and a fixed piece 17 arranged between the right and left movable pieces 16. The top edge 17a of the fixed piece 17 is provided offset onto the side of either one of the right and left movable pieces 16.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002232430-A (JP)
Title: Data exchange method between multiple subscriber sides, communication system, bus system, memory element and computer program
Inventor: FUEHRER THOMAS
IPC: G06F13/362
Filed: 2001-12-27
Abstract: PROBLEM TO BE SOLVED: To transmit a message with high probability in less waiting time for a regular case and to guarantee a finite maximum waiting time even for the worst case. SOLUTION: A data exchange method is performed for two subscribers (2, 3 and 4) which are mutually connected through a bus system. Data is included in the message transmitted from the subscribers (2, 3 and 4) through the bus system 5. While waiting time (tL), which elapses between the transmission intension of the subscribers (2, 3 and 4) and the transmission process of the subscribers (2, 3 and 4) for transmitting the messages in accordance with the load of the bus system (5), can be guaranteed, data is transmitted through the bus system (5) in an event-oriented fashion, and data is deterministically transmitted through the bus system (5) in other cases.
Patent JP-2003194755-A (JP)
Title: Method of testing semiconductor package
Inventor: TAKANO YOICHI
IPC: G01N25/18
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of testing semiconductor package by which all objective IC packages can be judged quantitatively by performing thermal resistance inspections on the packages regardless of design assurance.  <P>SOLUTION: This method of testing IC package which is performed for evaluating the reliability of semiconductor packages 10 includes a step of performing thermal resistance tests on the packages 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003200815-A (JP)
Title: Seat belt accessory device
Inventor: TAGAMI MAYUMI
IPC: B60N2/90
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce pressure on an abdominal region of a pregnant woman or others when a seat belt is worn.  <P>SOLUTION: A seat belt accessory device, which is used with a seat belt device having a cross belt portion 3a extended across the front of an abdominal region of a pregnant woman 7 seated in a seat 1 to restrain a forward movement of the abdominal region, comprises a pair of belt supports 11 arranged on the left and right of a seat cushion 1a. The belt supports 11 support the cross belt portion 3a from behind and forward of a 2/3 position of a longitudinal length of the seat cushion 1a measured back from a front end of the seat cushion 1a.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003196305-A (JP)
Title: Information distribution program, information distribution method and information distribution device
Inventor: OKURA NOBURO
IPC: G06F13/00
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To enable a user embarked in a mobile body to acquire area information while securing secrecy without informing a center of an address and current positional information of a terminal held by the user regarding an information distribution program, an information distribution method and an information distribution device for distributing information to the terminal held by the user.  <P>SOLUTION: The information distribution device is constituted of a means for accepting an acquisition request of information to which the address of the terminal is added from the terminal, a means for issuing a unique ID by associating it with the address added to the information and for simultaneously storing the address and the ID by associating them with each other when the information acquisition request is received, a means for informing the center of an area information request by transmitting the stored ID and the acquired current position to the center, a means for receiving the area information to which the ID transmitted from the center is added corresponding to information of the area information request to which the ID is added and a means for transmitting the received area information to the terminal at the corresponding address stored based on the received ID.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003502175-A (JP)
Title: フレキソ印刷板の変位クッション
IPC: B41M1/04
Filed: 2000-06-13
Abstract: (57)【要約】
印刷中に印刷胴（１４）とフレキソ印刷板（３０）との厚さ、高さおよび中心性を補償して、印刷される画像のゆがみを防止するため、フレキソ印刷板（３０）と印刷胴（１４）の間に使用する、衝撃吸収材およびクッションとして働くエラストマ材料の薄板（１２）で、所定の断面形状および面積のエラストマ材料（１２）で形成した複数または列状の突起（２０）を含むシリンダの周方向の進行方向に縦方向を有するエラストマ薄板を提供することを含み、材料は、高速で高品質の印刷画像を確保するのに必要な補償を提供するような方法で、フレキソ印刷板（３０）を緩衝するデュロメータを有する。縦方向の突起（２０）の断面形状および列は、高品質の印刷を分配する上で、エラストマ材料（１２）が圧縮し、比較的瞬間的に元の高さ、またはほぼ元の高さに復帰できるようにする材料の変位領域を提供し、ドラムのサイズのフレキソ印刷板の厚さ間の公差誤差を補償する。
Patent JP-2003507157-A (JP)
Title: 酸素富化空気供給装置
IPC: B01D69/12
Filed: 2000-07-28
Abstract: (57)【要約】
浸透蒸留を利用し、非孔性であって、好ましくは自由体積の大きい気体透過性膜（３２）の一面に接する混合物から揮発性の成分を膜の反対面に接するストリップ溶液へ移送する液体混合物の濃縮法。本気体透過性の膜は、その非孔性のため、原料混合物中に存在可能な油性成分により浸透・湿潤され難い。膜は、同様に固形物で閉塞され難い。好ましくは、過フロロ−２、２−ジメチル−１、３−ジオキソールの無定形共重合体は気体透過性の膜として有用である。このような自由体積が大きくて非孔性の気体透過性の膜を利用する浸透蒸留を使えば、果肉を含む果汁のような取り扱いの難しい液体混合物、特にリモネンを含んでいる果汁（例えばオレンジジュース）の濃縮ができる。この方法は、膜を洗浄するまで長い期間高い透過率（透過速度）で操作できる。更に、貯槽（４０）中の原料混合物が貯槽（２２）のストリップ溶液によって汚染される事が少なくなり、高品質の濃縮物が生成される。
Patent JP-2003508119-A (JP)
IPC: A61F2/46
Filed: 1999-08-27
Abstract: An intervertebral implant is shaped in the form of a hollow cylinder and has a cover face, a base face, a hollow cylinder wall with an outer lateral area and an inner lateral area, as well as a hollow cylinder central axis. The implant is formed at least 95 percent by volume of a radiolucent material which has a modulus of elasticity of between 1 and 20 GPa. Postsurgical observation is permitted by means of X-rays, and at the same time the implant has a high degree of biocompatibility.
Patent JP-2003511331-A (JP)
Title: 耐火性ｎｚｐ型構造体並びにその作成及び使用方法
IPC: B01D39/00
Filed: 2000-09-26
Abstract: (57)【要約】
一般化学式がＲ ｘ Ｚ ４ Ｐ ６-ｙ Ｓｉ ｙ Ｏ ２４ であり、ここで０≦ｘ≦８，０≦ｙ≦６であって、ＲがＬｉ、Ｎａ、Ｋ，Ｒｂ，Ｃｓ，Ｍｇ，Ｃａ，Ｓｒ，Ｂａ、Ｙ及び／またはランタニド、ＺがＺｒ，Ｔｉ，Ｎｂ，Ｔａ，Ｙ及び／またはランタニドであり、必要に応じて焼結添加剤を含む、ＮＺＰ型相が支配的な構造体。構造体は、いずれも水銀多孔度測定法で測定して、体積で少なくとも２０％の開放細孔率及びμｍを単位とする少なくとも量[１０−０．１０×％開放細孔率]で定められる値の細孔直径中央値、並びに断面が円形の中実ロッドで測定して少なくとも３００ｐｓｉ(約２．０７ＭＰａ)の４点破壊係数を有する。構造体の作成方法は、反応してＮＺＰ型反応生成物を形成できる金属酸化物源であるＮＺＰ形成原材料粉末の混合物、及び／または上の一般化学式を有する予備反応済粉末の形成工程を含む。原材料配合物中の原材料粉末の粒径中央値の体積平均は少なくとも１５μｍであり、原材料粒子全体の体積で少なくとも６５％の粒径は１１μｍより大きい。混合物は生地構造体に成形され、焼成されて、完成構造体につくられる。構造体は、流体流が構造体に入り、セルを通過し、セルに作用されて、構造体を流出する多セル構造体、例えばハニカムであることが好ましい。構造体は、ディーゼル微微粒子フィルタに適する、交互に閉塞されたハニカムであることが好ましい。
Patent JP-2003512955-A (JP)
Title: インクジェット印刷のための背面マーク式媒体判定システム
IPC: H05B44/00
Filed: 2000-10-27
Abstract: (57)【要約】
印刷されるイメージを最終的に受け取る媒体(832)の印刷面と反対側の背面上にあるマーキングあるいは識別用マーク(834)にしたがって媒体を識別するための、インクジェットあるいは他の印刷機構に給送される入力媒体のタイプを分類するシステムが提供される。入力媒体(832)の印刷面は、青紫色光(520)を用いて光学的に走査され、拡散反射(840)率および鏡面反射(842,844)率の両方の値が得られる。入力媒体(832)のための空間周波数シグネチャが、種々のタイプの媒体の既知の値と比較され、主要カテゴリ（透明媒体、グロッシー仕上げフォト媒体、プレミアム紙あるいは普通紙）に対応する媒体と、これらのカテゴリ内の特定タイプの媒体（マット仕上げフォト媒体、プレミアム媒体、あるいは高グロッシーフォト媒体）とを分類する。ユーザの煩わしい介入なしに、優れたイメージを自動的に生成するために、判定された媒体タイプにしたがって最適な印刷モードが選択される。また、本方法を実施するように構成される印刷機構(515)も提供される。
Patent JP-2003514700-A (JP)
IPC: B43K23/04
Filed: 2000-11-22
Abstract: The pen-holder device includes a body (10) with at least one cavity (14) formed therein with at least one aperture (16) communicating with the exterior and with at least one resilient member (22) fixed to an inner wall of the said cavity (14) so as to be able to engage a tip (34) of a writing instrument (36) inserted therein. The body (10) also has means for securing it to a user, or to an accessory or garment worn by the said user. The cavity (14) is preferably frusto-conical, tapering towards the inside of the body (10).
Patent JP-2003514974-A (JP)
IPC: C08L69/00
Filed: 2000-11-23
Abstract: The invention concerns thermoplastic polyesters (such as PET or PBT) comprising, by weight, the total being 100%: 60 to 99% of thermoplastic polyester; 1 to 40% of impact modifier comprising: (a) a core-shell copolymer (A), (b) an ethylene copolymer (B) selected among ethylene copolymers (B1) and an unsaturated carboxylic acid anhydride, ethylene copolymers (B2) and an unsaturated epoxy compound and mixtures thereof, (c) a copolymer (C) selected among ethylene copolymers (C1) and an alkyl (meth)acrylate, ethylene copolymers (C2) and (meth)acrylic acid optionally neutralised and mixtures thereof. The invention also concerns an impact modifying composition which can be added in thermoplastic polyesters to improve their shock-proof properties and comprising constituents (A), (B) and (C).