baber/WOPTO huggingface dataset:
Patent JP-2009511589-A (JP)
Title: アリール−シクロプロピル誘導体のアスパルチルプロテアーゼ阻害剤を使用してアミロイドーシスを治療する方法
IPC: A61P43/00
Filed: 2006-10-11
Abstract: 本発明は、アミロイドーシスに関連した疾患、障害、および症状を治療する新規化合物および方法に関する。アミロイドーシスは、A-βタンパク質の異常沈着に関連した疾患、障害、および症状の総称を意味する。
Patent JP-2009517400-A (JP)
Title: 第一スズ塩及びトリポリリン酸ナトリウムの口腔用ケア組成物と方法
IPC: A61K8/34
Filed: 2006-11-21
Abstract: 第一スズ塩及びトリポリリン酸ナトリウムを含有する口腔用ケア組成物を提供し、ここでトリポリリン酸第一スズイオン中間体は、組成物の約１％未満を含む。さらなる効力のために、ピロリン酸四ナトリウム、メチルビニルエーテル−無水マレイン酸共重合体、及び／又はシリカ口腔光沢剤を加えてよい。本口腔用ケア組成物は、単相性の混和物では、約１０％未満の水を含むように有効に制限してよい。二相性の混和物では、第一相に第一スズ塩、そして第二相にトリポリリン酸ナトリウムを有する混合物をデュアルチャンバ保存チューブ（各相は、別のチャンバより提供される）より、デンタルケア使用の直前に作製してよい。
Patent JP-2009517272-A (JP)
IPC: B63B25/16
Filed: 2006-11-22
Abstract: Disclosed is a device for mounting a tank in a ship (1). Said device comprises at least two foundations (4) which are fastened to the hull at a distance from each other in the longitudinal or transversal direction of the ship (1) and each of which supports one saddle (6) that is adapted to the shape of the tank (3) and is used for accommodating the tank (3). The inventive device further comprises an insulating layer (8) that is provided on each saddle (6) to thermally insulate the foundations (4) relative to the tank (3) as well as safety mechanisms (10; 12; 15) for mounting the tank (3) on the foundations (4), said safety mechanisms (10; 12; 15) allowing a relative movement between the tank (3) and at least one foundation (4) on the insulating layer (8) in the longitudinal direction of the tank. Each saddle (6) is fastened directly to the tank (3) and has a planar bottom face (7) while each foundation (4) has a planar top face (5), all bottom and top faces (7; 5) being parallel to one another. The insulating layer (8) is disposed between the bottom face (7) of the saddle (6) and the top face (5) of the associated foundation (4) while the safety mechanisms (10; 12; 15) allow a limited relative movement between each saddle (6) and the foundation (4) thereof on or in the insulating layer (8).
Patent JP-2009517426-A (JP)
Title: ＥＲβ−選択物質のプロドラッグ類、それらの製造方法、及びそれらの化合物を含む医薬組成物
IPC: A61P37/02
Filed: 2006-11-27
Abstract: 本発明は、基Zがステロイド結合される、下記一般式（I）： で表される８β−置換されたエストラトリエンのプロドラッグ類、それらの製造方法、それらの化合物を含む医薬組成物、及びそれらの使用に関する。   本発明の一般式（I）の化合物は、エストロゲン受容体α及び/又はβに結合しない。それらは、カルボアンヒドラーゼに結合し、そしてそれらの酵素を阻害する。
Patent JP-2009518271-A (JP)
Title: 金属片とセラミック材料でできている片の間のろう付けされた組み立て部
IPC: B23K103/18
Filed: 2006-12-08
Abstract: 本発明は、金属部分、セラミック部分、およびろう付けにより上記部分の各々に組み立てられる少なくとも１つの接続用スペーサーを含む接続部に関する。前述の接続用スペーサー（１０’）は、上述の部分にそれぞれろう付けされる少なくとも２つの平坦な領域（１１、１２）を有する変形可能な層からなる。更には、上記２つの平坦な領域（１１、１２）は、金属部分とセラミック部分に向かって交互に配向されている少なくとも２つの非ろう付け波状形（１９、２０）を有する、変形可能な領域（１３’）により相互接続される。
Patent JP-2009519265-A (JP)
Title: ウイルス感染を処置するためのジアリールウレア
IPC: A61K31/427
Filed: 2006-12-06
Abstract: 本発明は、所望により、少なくとも1種のさらなる治療剤と組み合わせた4{4-[3-(4-クロロ-3-トリフルオロメチルフェニル)-ウレイド]-3-フルオロフェノキシ}-ピリジン-2-カルボン酸メチルアミドを含む、ウイルス感染および/またはそれにより引き起こされる疾患を処置するための医薬組成物に関する。
Patent JP-2009519921-A (JP)
Title: ペンタフルオロエタンの製造方法
IPC: C07C19/08
Filed: 2006-12-18
Abstract: ペンタフルオロエタンの製造方法を開示する。本方法は、気相中、第一反応器または第一の複数の反応器中で、フッ素化触媒の存在下で、ペルクロロエチレンをフッ化水素と反応させ、ジクロロトリフルオロエタン、塩化水素、未反応フッ化水素およびペルクロロエチレンを含んでなる組成物を製造することを含んでなる。この組成物を分離工程に付し、該組成物中の有機化合物の総重量に対して、少なくとも95重量％のジクロロトリフルオロエタンおよび0.5重量％未満の式Ｃ ２ Ｃｌ 6-ｘ Ｆ ｘ を有し、ｘが0〜6の整数である化合物を含んでなる精製された組成物を得る。次いで、分離工程から得た組成物をフッ化水素と、気相中、第二反応器または第二の複数の反応器中で、フッ素化触媒の存在下で反応させ、ペンタフルオロエタンおよび該組成物中の有機化合物の総重量に対して0.5重量％未満のクロロペンタフルオロエタンを含んでなる組成物を製造する。
Patent JP-2009519987-A (JP)
IPC: C07F7/08
Filed: 2006-12-19
Abstract: Preparation of metallocene compound (III) comprises using recycled cyclopentadienyl derivative (I) or (Ib) and/or its double bonded isomer or biscyclopentadienyl derivative (II) and/or its double bonded isomer, where (I) or (Ib) and/or (II) is recycled by partially removing from the filtrate, mother liquor, reaction residues and/or reconditioning residue that are obtained in the preparation of (III) and/or biscyclopentadienyl ligand and subsequently purified by means of liquid-solid-chromatography. Preparation of metallocene compound of formula (III) comprises using recycled cyclopentadienyl derivative of formula (I) or (Ib) and/or its double bonded isomer or biscyclopentadienyl derivative of formula (II) and/or its double bonded isomer, where (I) or (Ib) and/or (II) is recycled by partially removing from the filtrate, mother liquor, reaction residues and/or reconditioning residue that are obtained in the preparation of (III) and/or biscyclopentadienyl ligand and subsequently purified by means of liquid-solid-chromatography. Either R 1>,R1a : 1-40C organic residue; and R 2>,R2a : H or 1-40C organic residue; or R 1>R 2>,R1aR2a : optionally saturated and substituted 3-40 (preferably 5-12)C mono- or polycyclic ring (containing a heteroatom such as Si, Ge, N, P, As, Sb, O, S, Se or Te); T,Ta : double bonded 1-40C organic group that forms together with the cyclopentadienyl ring, respectively at least a further optionally saturated and substituted ring system shows a ring size of 5-12 atoms, where T, Ta in the cyclopentadienyl annealed ring system contains heteroatom such as Si, Ge, N, P, As, Sb, O, S, Se or Te; Z : a bond between both substituted cyclopentadienyl ligand containing double bonded atom or double bonded group; M : an element of the 3rd, 4th, 5th or 6th group or lanthanide; X : an organic or inorganic residue, where two residues can be connected; n : 0-3; and m : 0-1. An independent claim is included for a procedure for the recovery of cyclopentadienyl derivative comprising aqueous treating of the filtrate, mother liquor, reaction residues and/or reconditioning residue that are obtained in the preparation of silicon-bound metallocene and/or silicon-bound biscyclopentadienyl ligand with one or more acid or base and isolating and optionally concentrating to purify using liquid-solid chromatography. [Image] [Image].
Patent JP-2009520486-A (JP)
Title: 結腸直腸癌における差次的発現の分析方法
IPC: A61K47/42
Filed: 2006-12-19
Abstract: コンデンシン複合体または関連タンパク質の一部を形成するタンパク質についてコードする遺伝子の発現レベルにおける変化に基づく、結腸直腸癌での差次的発現の分析方法であって、当該疾患の患者で生じ、当該癌の診断用並びにその予防および治療用のマーカーとして用いられる、分析方法。
Patent JP-2009523902-A (JP)
Title: 洗剤組成物
IPC: C11D7/42
Filed: 2007-01-22
Abstract: 本発明は、特定のリパーゼ変異体および光漂白剤を含む組成物、並びに、このような組成物を生成および使用する方法に関するものである。このような組成物を特定の場所の洗浄および／または処理に使用することを含む。
Patent JP-2009524683-A (JP)
Title: 炎症および免疫関連用途のためのビニル−フェニル誘導体
IPC: C07D239/28
Filed: 2007-01-25
Abstract: 本発明は、構造式（Ｉａ）の化合物： 【化１】 あるいはその薬学的に許容される塩、溶媒和物、包接化合物またはプロドラッグに関する。Ｘ １ 、Ｘ ２ 、Ｘ ３ 、Ｘ ４ 、Ｘ ６ 、Ｘ １０ 、Ｒ １ 、Ｒ ２ 、Ｙ、Ｚ、Ｌ、およびｎは本願明細書に定義される。これらの組成物は、免疫抑制剤として、ならびに炎症症状、アレルギー性疾患および免疫疾患の治療または予防に有用である。
Patent JP-2009528450-A (JP)
Title: 耐摩耗性が増加したコーティング布
IPC: D04H3/16
Filed: 2007-02-12
Abstract: シリコーンコーティングを布に適用し、天然の吸収性および通気性を増強させる一方、耐摩耗性をも増加させる。これらの布は、靴用部品、インクジェット受容媒体、自動車用エアバッグ、絶縁のための表面仕上げ、テープ、および他の用途など、様々な適用に使用することができる。
Patent JP-2009526573-A (JP)
IPC: A63B23/04
Filed: 2007-02-06
Abstract: Disclosed in this specification is a compact gym that comprises both a recumbent exercycle and a weight system. The recumbent exercycle may be rotated by 180° to offer users a greater variety of workouts. The compact gym's various components may be folded into a cupboard for storage.
Patent JP-2009528116-A (JP)
IPC: A61B5/308
Filed: 2007-02-26
Abstract: A body parameter sensing arrangement comprising clothing (10) and a plurality of sensors (12, 20) for sensing body signals, located at mutually movable relative positions in the clothing (10). Processing circuit (26) coupled to the plurality of sensors (12, 20), is configured to identify selected ones of the sensors (12, 20) that carry valid body signals. The identification by clustering the sensors (12, 20) according to similarity between signals from the sensors (12, 20). A cluster of sensors (12, 20) is determined with a maximal count of sensors (12, 20) within a minimal cluster diameter A cluster diameter defined by a measure of similarity or distance between signals form the sensors is used. The cluster is used to select sensors (12, 20) to identify the selected ones of the sensors (12, 20) that carries valid body signals on the basis of membership of the cluster
Patent JP-2009529184-A (JP)
Title: 検索結果のサイト内での検索
IPC: G06F17/30
Filed: 2007-02-23
Abstract: 検索結果のサイト内での検索は、複数の表示されている検索結果のうち少なくとも１つの検索結果に関連してサイトツールインジケータ内の検索を行うユーザインターフェース、方法などにより使用可能になる。少なくとも１つの検索結果が、特定のサイトの所与のページに対応する。サイトツールインジケータ内の検索は、特定のサイトを検索するために、ユーザによって使用されうる。 【選択図】図２
Patent JP-2010170303-A (JP)
Title: Machine translation device and program
Inventor: SHINDO MASAKI
IPC: G06F17/28
Filed: 2009-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To output a translation example which is easily used by a user even when the total number of characters or words is small, and the designated degree of similarity is high.  <P>SOLUTION: The machine translation device is provided with: a degree of similarity condition correction table 28 for defining in advance a correction value of the degree of similarity between a text written in a first language and an example written in the first language based on the number of words in the example written in the first language stored in a translation database 27. A degree of similarity calculation means 34 calculates the ratio of the number of matching words between the text written in the first language read by an input processing part 31 and the example written in the first language of the translation database 27 as the degree of similarity between the text written in the first language and the example written in the first language, A degree of similarity condition correction means 35 corrects the degree of similarity conditions based on the number of words of the text written in the first language and the contents of the degree of similarity condition correction table 28. A translation database retrieval means 36 retrieves the example written in the first language satisfying the degree of similarity conditions corrected by the degree of similarity condition correction means 35 and the example in the second language of the translation from the translation database 27.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010172222-A (JP)
Title: Rotor for spinning reel
Inventor: NODA HIDEO
IPC: A01K89/01
Filed: 2009-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotor for spinning reels, which ensures the lightening of the rotor and prevents the deterioration in the strength of the body portion of the rotor and the invasion of foreign matter, such as water or dust, into the inside of the rotor.  <P>SOLUTION: The rotor for spinning reels in which a penetrated hole or a thin portion is disposed in the body portion of the rotor rotatably supported in front of the reel body to lighten the rotor is characterized in that a cylindrical member is mounted to prevent the deterioration in the strength of the body portion and the invasion of foreign matter, such as water or dust, into the inside of the rotor.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010177361-A (JP)
Title: Soft recovery diode
Inventor: MITSUYANAGI YOICHI
IPC: H01L29/861
Filed: 2009-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a soft recovery diode which is capable of reducing a voltage rise rate in a reverse recovery process with a simple configuration without spoiling soft recovery characteristics.  <P>SOLUTION: The soft recovery diode includes an n<SP>+</SP>type semiconductor substrate 12, an n<SP>-</SP>type base layer 13 formed on the n<SP>+</SP>type semiconductor substrate 12, an n<SP>-</SP>type base layer 14 formed on the n<SP>-</SP>type base layer 13, and an n<SP>+</SP>type anode layer 15 formed on the n<SP>-</SP>type base layer 14. The p<SP>+</SP>type anode layer 15 and the n<SP>-</SP>type base layer 14 form a pn junction. An anode electrode 6 is formed on the p<SP>+</SP>type anode layer 15, and a cathode electrode 17 is formed under the n<SP>+</SP>type semiconductor substrate 12. Carrier lifetime of the n<SP>-</SP>type base layer 13 is made longer than that of the n<SP>-</SP>type base layer 14.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010177954-A (JP)
Title: Reception circuit
Inventor: YOSHIDA HIROSHI
IPC: H04B1/16
Filed: 2009-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reception circuit that can suppress an increase in power consumption even when using an analog filter and a digital filter in combination.  <P>SOLUTION: A reception circuit is equipped with an LPF 7 for eliminating disturbing waves and noise from an analog reception signal, an ADC 9 for digitizing a signal output from the LPF 7, an FIR filter 10 that further eliminates disturbing waves and noise from a signal output from the ADC 9 to correct the turbulence of in-band characteristics caused by the LPF 7, a delay circuit 12 for delaying the signal output from the ADC 9 by a predetermined period of time, and a control circuit 12 for controlling the destination of the signal output from the ADC 9. The control circuit 12 switches the destination of the signal output from the ADC 9 to either the FIR filter 10 or the delay circuit 12 based on a predetermined condition.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010173179-A (JP)
Title: Resin molded article and mold
Inventor: BESSHO MASAHIRO
IPC: B29C45/37
Filed: 2009-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resin molded article and a mold capable of suppressing visibility of a weld line.  <P>SOLUTION: The resin molded article which constitutes the appearance of, for example, a dial knob or the else arranged on a control panel as an interior of an automobile includes: a design surface 2 which is injection-molded by using an adhesive resin material having a resin and a flake brilliant material and is visualized from an external part upon attachment; and a non-design surface 3 other than the design surface 2, wherein a hollow part 4 is formed on at least a part of an association part 6 of flows of the adhesive resin material on the non-design surface 3.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010176756-A (JP)
Title: Magnetic disk device
Inventor: SASAKI SHIGEYUKI
IPC: G11B21/02
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To solve such a problem that a semiconductor laser is mounted at an arm part performing swing-motion together with a recording coil, when thermal resistance from the semiconductor laser to the arm is large due to existence of a resin material or the like or when a high output laser is mounted, temperature rise of the semiconductor laser becomes large, stability of oscillation wavelength or the like are reduced while long period reliability is reduced.  <P>SOLUTION: The arm at which the semiconductor laser is mounted and a base supporting a motor for rotating disk are connected by a flexible thermal conduction member. Also, a bending direction is made such that the center of curvature of the flexible thermal conduction member is arranged at a near side to the center of curvature of curve of a flexible substrate for signal wiring, thereby canceling force to act on the arm to be rotated.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010175059-A (JP)
Title: Friction engaging device
Inventor: DOBASHI MAKOTO
IPC: F16D25/0638
Filed: 2009-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To shorten dimension in the axial direction of a friction engaging device such as a hydraulic clutch and a hydraulic brake.  <P>SOLUTION: This friction engaging device is constituted by overlapping a plurality of brake discs 19 fitted into a first spline tooth 17c formed in the axial direction of a carrier member 17 and a plurality of brake plates 20 fitted into a second spline tooth 11a formed in the axial direction in a casing 11 alternately and letting the brake discs 19 and the brake plates 20 abut on each other by biasing force generated by a brake piston 23. For example, in the hydraulic brake B, since an outer peripheral face of a seal ring 30 fitted into an annular groove 17e formed in an protruding part 17b of the carrier member 17 and protruding on a casing 11 side is abutted on an inner peripheral face of the brake plate 20 serving also as an end plate, the axial dimension of the hydraulic brake B can be shortened by thickness of one brake plate 20.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010183133-A (JP)
Title: Mobile communication apparatus
Inventor: YASUDA HIDEYUKI
IPC: H04M1/00
Filed: 2009-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile communication apparatus capable of displaying information on an installed communication module, by diverting a charging status display function etc. of the mobile communication terminal.  <P>SOLUTION: A communication module having a communication function can be installed at the mobile communication apparatus. The apparatus includes a built-in rechargeable battery. The apparatus also includes a communication module detection means for detecting existence of an installed communication module, a charging means for charging the rechargeable battery, and a charging status display means for displaying a charging status by the charging means. The charging status display means is characterized in that the means displays collectively the detection result detected by the detection means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009090982-A (JP)
Title: Hub unit for motor-driven wheel and vehicle provided with the same hub unit
Inventor: TOMOSHIGE KAZUHIRO
IPC: B62M7/12
Filed: 2009-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To enhance a cooling effect of a motor of a hub unit of an assist bicycle.  <P>SOLUTION: This hub unit has a motor 9 provided with a stator 3 and a rotor 4, and a hub 7 storing the motor 9 therein and rotated and driven by rotation of the rotor 4. The hub unit is provided with a pump 8 to discharge air in the hub 7 according to rotation of the hub 7. Intake of outside air is performed from a ventilation hole 59 formed in the hub 7 by discharge of air in the hub 7 accompanying an operation of the pump 8, the outside air is supplied to the motor 9 to cool the motor 9, and overheat of the motor 9 is surely prevented. A tube is connected to the ventilation hole 59, and an end portion of the tube is extended to a place where water does not enter.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010178951-A (JP)
Title: Tube cake stand
Inventor: KONNO IKUKO
IPC: A47J47/16
Filed: 2009-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that, when cooling tube cake which has just baked, the cake in a cake pan is overturned and put around the end of a bottle of wine or the like, then the tube cake pan is not fixed, so that the tube cake pan is unstable and often overturned.  <P>SOLUTION: A shaft 2 is put through a cylinder part of a cake pan and an adapter 5 is attached, so that the cake pan is cooled in a stable form.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010187068-A (JP)
Title: Radio apparatus and polarization plane control method
Inventor: SUZUKI YOSHINORI
IPC: H04B7/10
Filed: 2009-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a radio apparatus which causes the polarization plane of a transmitting radio signal to match accurately with the polarization plane of a reference station to be countered.  <P>SOLUTION: The radio apparatus is provided with an antenna to be commonly used for two polarized waves, which transmits a first transmission signal by a first polarized wave, and transmits a second transmission signal by a second polarized wave which perpendicularly intersects with the first polarized wave; a propagation path estimation means which calculates a propagation path matrix of the propagation path, with the reference station from a radio signal of a third polarized wave transmitted from the reference station and a radio signal of a fourth polarized wave which perpendicularly intersects with the third polarized wave; a difference detection means of polarization plane angle which detects the angle difference between a polarization plane of the third polarized wave and a polarization plane of the first polarized wave based on respective propagation coefficients which are elements of the propagation path matrix obtained by the propagation path estimation means; and a polarization plane control means which adjusts amplitude of the first transmission signal and the second transmission signal based on the angle difference detected by the polarization plane angle difference detection means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010187090-A (JP)
Title: Electronic apparatus
Inventor: YAMADA KAZUNARI
IPC: H05K1/02
Filed: 2009-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic apparatus that can prevent occurrence of crosstalk between different differential signals on a printed circuit board on which a wiring pattern of a differentially operated signal line is formed, and reduce unnecessary radiation noises.  <P>SOLUTION: An imaging apparatus includes: a printed circuit board 100 where a CPU 500, an HDMI terminal 300, a USB terminal 301, a differential transmission path 400 and a differential transmission path 401, etc., are mounted; and a lens barrel 200. The HDMI terminal 300 is electrically connected to the differential transmission path 400, the HDMI terminal 301 is electrically connected to the differential transmission path 401, differentially operated signals are transmitted through the differential transmission paths 400 and 401. The CPU 500 has a terminal 500a and a terminal 500b respectively electrically connected to the differential transmission path 400 and the differential transmission path 401. The terminal 500a and terminal 500b of the CPU 500 are respectively disposed at parts corresponding to the mounting part of the HDMI terminal 300 and the mounting part of the USB terminal 301 so that the differential transmission path 400 and the differential transmission path 401 may not intersect.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010184987-A (JP)
Title: Liquid detergent composition
Inventor: TERABAYASHI TAKESHI
IPC: A01N59/20
Filed: 2009-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid detergent composition capable of exhibiting an excellent sterilizing or antibacterial effect while maintaining preservation stability.  <P>SOLUTION: This liquid detergent composition contains the following components (A), (B) and (C): component (A) is a water soluble zinc salt, water soluble copper salt or water soluble silver salt; component (B) is polyethyleneimine or a long chain alkylamine compound and/or an anion formed from the long chain alkylamine compound, provided that the long chain alkylamine compound is at least one selected from the group consisting of compounds expressed by general formula (I): R<SP>1</SP>-(A<SP>1</SP>-)N-(CH<SB>2</SB>)<SB>n</SB>-COOX<SP>1</SP>, etc.; and component (C) is a surfactant.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009272028-A (JP)
Title: Semiconductor integrated circuit and operation method thereof
Inventor: KASAI HIDEO
IPC: G11C16/02
Filed: 2009-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To shorten a blank check time in a semiconductor nonvolatile memory in which complementary data is written into two memory cells.  <P>SOLUTION: The semiconductor IC has a nonvolatile memory DFL;21 including twin cells, a selector SEL_BC, and a sense circuit BC_SA. When complementary data are written into a pair of nonvolatile memory cells MC1, MC2 of each twin cell, the pair of nonvolatile memory cells is set to be in a written state where one cell of the pair is set to one of low and high threshold voltages, and the other is set to the other threshold voltage. When non-complementary data are written into a pair of nonvolatile memory cells MC1, MC2, for example, the memory cells both take the low threshold voltage and are made blank. The selector SEL_BC includes switching elements. During the blank-check action, switching elements of the selector are controlled to ON state. Then, the first total current of the twin cells forced to flow into the first input terminal of the sense circuit commonly is compared with the reference signal on the second input terminal, whereby whether the twin cells have been written or blank can be detected at a high speed.  <P>COPYRIGHT: (C)2010,JPO&INPIT