baber/WOPTO huggingface dataset:
Patent JP-2008522494-A (JP)
Title: 巡回冗長検査を実行するためのシステム及び方法
IPC: H04L1/00
Filed: 2005-11-23
Abstract: 【解決手段】本発明は、リンク初期化処理の改善、及びシステムエラー情報の交換のために、巡回冗長検査を実施するシステム及び方法を提供する。１つの局面では、ユニークパターン検出器、ＣＲＣジェネレータ、ＣＲＣイニシャライザ、及びＣＲＣベリファイヤを含む巡回冗長検査（ＣＲＣ）チェッカが提供される。ＣＲＣチェッカは、ユニークパターンのためにＣＲＣジェネレータを予め実装する。デジタル送信リンクによって受信されたデータストリーム内でユニークパターンを取得すると、ＣＲＣチェッカは、データをキュー及び格納する必要なくＣＲＣのチェックを進める。別の局面では、システムエラー情報を送信するためにＣＲＣ値を故意に破壊する（corrupt)ＣＲＣジェネレータシステムが提供される。このＣＲＣジェネレータシステムは、ＣＲＣジェネレータ、ＣＲＣコラプタ（corrupter）、誤り検出器、及び誤り値ジェネレータを含んでいる。一例において、デジタル送信リンクは、ＭＤＤＩリンクである。 【選択図】      図９
Patent JP-2008522424-A (JP)
IPC: H01L27/105
Filed: 2005-12-02
Abstract: A non-volatile memory (50) is disclosed. A second electrode (56) is provided. A first electrode (51) is also provided. A recording layer having a plurality of phase change cells (54) variable in resistance is provided between the first electrode (51) and the second electrode (56). A non-uniform tunnel barrier (540) is provided adjacent each of the recording layer and the first electrode. In use, the first electrode is in electrical communication with the non-uniform tunnel barrier, the first electrode for electrically communicating with the second electrode via the non-uniform tunnel barrier.
Patent JP-2008523549-A (JP)
IPC: F23N5/12
Filed: 2005-12-08
Abstract: The fuel cell heater (10) has a burner (16) with an ionization sensor (30) in the flame region and in which two different gases are fed to the burner for combustion, one of which originates from a gas preparation device, and a signal evaluation unit (32) that evaluates the ionization sensor signal and determines an actual value for the air number. One or more gas preparation device state parameter signals (34) are applied to the signal evaluation unit.
Patent JP-2008523727-A (JP)
Title: 有線またはワイヤレス通信装置を再構成する際の認証
IPC: H04W8/24
Filed: 2005-12-07
Abstract: 簡潔に述べると、本発明の一実施例に従うリコンフィギュラブル通信装置（１５）は、認証ノード（１１１）を含み、リコンフィギュラブル通信装置内に構成可能な要素（２１）を形成することを意図する構成リクエストを認証する。構成リクエストが認証される場合、認証要素は構成リクエストを構成可能な要素に渡す。構成リクエストが認証されない場合、認証ノードは、その構成リクエストを廃棄するかまたはリコンフィギュラブル通信装置をリセットすることを含めて、構成リクエストが構成可能な要素を形成するのを防止する手段を取る。構成リクエストが認証要素にアドレス指定されない場合、その構成リクエストは認証要素に再アドレス指定される。認証要素を構成可能な要素と外部入力との間に置くことによって、認証要素は、リコンフィギュラブル通信装置の所望しない構成あるいは無権限に構成されることを防止する。
Patent JP-2008527684-A (JP)
Title: 情報処理用の結合方法およびアーキテクチャ
IPC: H01L39/22
Filed: 2005-12-30
Abstract: （ｉ）第一の情報素子、（ｉｉ）第二の情報素子、（ｉｉｉ）第一の結合要素および（ｉｖ）第二の結合要素を含む構造を提供する。第一の情報素子は少なくとも、互いに電気的に導通する第一のローブおよび第二のローブを有している。第二の情報素子は少なくとも、互いに電気的に導通する第一のローブおよび第二のローブを有している。第一の結合要素は、第一の情報素子の第一のローブを第二の情報素子の第一のローブに誘導結合する。第二の結合要素は、第一の情報素子の第一のローブを第二の情報素子の第二のローブに誘導結合する。
Patent JP-2008527878-A (JP)
Title: チャネル符号化
IPC: H03M13/29
Filed: 2005-12-29
Abstract: プログラマブルプロセッサを使用して、ハードウェアチャネルエンコーダを用いて得られるコードと同一のコードを計算するチャネル符号化方法を提供する。   この方法は、それぞれのメモリアドレスで第１部分系のすべての可能な結果を格納している、第１の事前に計算されたルックアップテーブルにて、入力されたビットの値から決定されるメモリアドレスで、シフトされたビット間の並列ＸＯＲ演算の第１部分系の結果を読み取る第１ステップ（１１２、１２０；２２２）と、少なくとも、プログラマブルプロセッサのＸＯＲ命令を使用することによって読み取られた結果と並列ＸＯＲ演算の第２部分系の結果との間のＸＯＲ演算を実行するステップ（１１６、１２４；２２６）とを含む。
Patent JP-2008529017-A (JP)
Title: フォイル型圧力センサ及びセンサ応答評価方法
IPC: G01L25/00
Filed: 2005-11-25
Abstract: フォイル型感圧マットにより車両シートに関する占有関連状態を特定する方法は、上記複数の感圧セルの粗センサ抵抗値を特定する工程と、上記少なくとも１つの補償抵抗の粗補償抵抗値を特定する工程と、上記粗センサ抵抗値と上記粗補償抵抗値に基づいて補償センサ抵抗値を計算する工程と、上記補償センサ抵抗値に基づいて上記占有関連状態を特定する工程を含む。本発明により、上記補償センサ抵抗を計算する工程が、上記粗補償抵抗値に、上記補償抵抗の生産公差により特定される補正項を適用することにより補正補償抵抗値を得る工程と、上記粗センサ抵抗値と上記補正補償抵抗値に基づいて上記補償センサ抵抗値を計算する工程とを含んで成る。
Patent JP-2008528648-A (JP)
Title: アトラル酸の単離、アトラル酸誘導体の合成、ならびにアトラル酸およびその誘導体の、良性前立腺過形成、前立腺悪性腫瘍および球脊髄性筋萎縮症の処置のための使用
IPC: C07C69/84
Filed: 2006-01-28
Abstract: 本発明は、生物材料からのアトラル酸の単離方法、アトラル酸誘導体、それらの化学合成、ならびにアトラル酸およびその誘導体の、良性前立腺過形成、前立腺悪性腫瘍または球脊髄性筋萎縮症の処置のための使用またはかかる処置のための医薬の製造における使用、そして良性前立腺過形成、前立腺悪性腫瘍または球脊髄性筋萎縮症の処置に用いられる他の剤の開発のための基本物質としての使用に関する。
Patent JP-2008529588-A (JP)
Title: 医療装置用共鳴器
IPC: A61F2/90
Filed: 2006-01-06
Abstract: 医療装置用の共鳴装置（１００）が設けられている。共鳴装置（１００）は、螺旋構造（１０２）と、キャパシタ構造（１０４）とを有している。共鳴装置は、ステントを有する医療装置と共に使用することができる。
Patent JP-2008531562-A (JP)
Title: 四環アミノ化合物および四環カルボキサミド化合物およびこれらの使用法
IPC: A61P27/02
Filed: 2006-02-15
Abstract: 本発明は、四環アミノ化合物および四環カルボキサミド化合物、有効量の四環アミノ化合物または四環カルボキサミド化合物を含む組成物、および炎症性疾患、再灌流傷害、糖尿病、糖尿病性合併症、臓器移植に起因する再酸素化障害、虚血性状態、パーキンソン病、腎不全、血管疾患、心血管疾患、または癌を治療または予防するための方法であって、それを必要とする被験体に有効量の四環アミノ化合物または四環カルボキサミド化合物を投与する工程を含む方法に関する。
Patent JP-2009161811-A (JP)
Title: Steel sheet for low yield ratio high strength steel pipe, method for producing the same, and low yield ratio high strength steel pipe
Inventor: UEDA KEIJI
IPC: B21B3/00
Filed: 2008-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel sheet for a low yield ratio high strength steel pipe which can stably attain the yield stress YS of ≥650 MPa and the yield ratio YR of ≤90% in the base metal of a steel pipe subjected to cold forming, to provide a method for producing the same, and to provide a low yield ratio high strength steel pipe obtained by subjecting the steel sheet to cold forming.  <P>SOLUTION: Disclosed is a steel sheet for a low yield ratio high strength steel pipe having a componential composition comprising, by mass, 0.03 to 0.10% C, 0.05 to 0.50% Si, 1.4 to 3.0% Mn, ≤0.02% P, ≤0.0050% S, ≤0.1% Al and ≤0.0070% N, and further comprising one or two kinds selected from 0.1 to 1.0% Cu and 0.1 to 2.0% Ni, and having a steel structure composed of a mixed structure consisting of bainite having a Vickers hardness Hv of 200 to 330 and insular martensite having a volume fraction of 5 to 20% and a Vickers hardness Hv of 450 to 650.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009170109-A (JP)
Title: Negative electrode active material, negative electrode, battery, and manufacturing method of negative electrode
Inventor: MATSUI KEITARO
IPC: H01M4/587
Filed: 2008-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a battery having a large capacity and excellent charge and discharge efficiency.  <P>SOLUTION: A rolled electrode body 20 formed by laminating and rolling a positive electrode 21 and a negative electrode 22 through a separator 23 is provided in the inside of a battery can 11. A negative electrode active material layer 22B is provided in the negative electrode 22, and the negative electrode active material layer 22B contains mesophase graphite globules having pores as a negative electrode active material. As to this mesophase graphite globule, the ratio of its external surface area to its total surface area is 10% or more and 50% or less, its specific surface area is 0.1 m<SP>2</SP>/g or more and 5 m<SP>2</SP>/g or less, and its medium diameter (D<SB>50</SB>) is 5 μm or more and 50 μm or less.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009170462-A (JP)
Title: Semiconductor device
Inventor: AOI SACHIKO
IPC: H01L29/739
Filed: 2008-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device with high withstand voltage and excellent in microfabrication.  <P>SOLUTION: The semiconductor device 100 includes a first semiconductor region 4 containing impurities of a first conductivity type, a second semiconductor region 14 surrounding the first semiconductor region 4 and containing impurities of a second conductivity type, a third semiconductor region 16 surrounding the second semiconductor region 14 and containing impurities of the first conductivity type, a planar gate electrode 8 opposite via a gate insulation film 6 to the second semiconductor region 14 for isolating between the first and third semiconductor regions 4 and 16, and an insulative diffusion-preventive film 10 provided at least partially between the second and third semiconductor regions 14 and 16 and extending deeply from the surface of a semiconductor substrate 24. One end of the film 10 is in contact with the gate insulation film 6, and the other end of the film 10 is at least partially in contact with the third semiconductor region 16.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009167234-A (JP)
Title: Curable flame-retardant resin composition
Inventor: RI TERU
IPC: C08L101/12
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a curable flame-retardant resin composition having high hydrolysis resistance, facilitating the incorporation to a reactive oligomer and a reactive resin, and obtained by compounding a reactive phosphorus compound capable of imparting good flame retardancy.  <P>SOLUTION: The curable flame-retardant resin composition contains (A) an alkali-soluble resin, (B) a (meth)acrylate compound, (C) an epoxy resin, (D) the reactive phosphorus compound of a phosphinic acid derivative represented by a specific formula and (E) a photopolymerization initiator.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009170564-A (JP)
Title: Production process of semiconductor device and semiconductor device
Inventor: IKUSU HARUHIKO
IPC: H01L23/52
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a production process of a semiconductor device that assures a measuring structure without increasing the area of the semiconductor device and directly measures the capacity value of the manufactured semiconductor device as well as the structure of the semiconductor device.  <P>SOLUTION: The production process of a semiconductor device prepares ring-shaped interconnections at the periphery surrounding an internal circuit region where circuit elements are formed such that they mutually face multiple wiring layers respectively through interlayer insulating films, wherein the ring-shaped interconnections prepared in vertically adjacent double-layered wiring layers within the multiple wiring layers are formed so as to be insulated from each other, the capacity between these double-layered ring-shaped interconnections are measured, and after that, at least one of the double-layered ring-shaped interconnections is connected to the internal circuit.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009168307-A (JP)
Title: Evaporative cooling apparatus
Inventor: MORII TAKAYUKI
IPC: F25D7/00
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an evaporative cooling apparatus capable of detecting and accurately maintaining a vacuum state of an evaporative cooling chamber.  <P>SOLUTION: A cooling fluid supply pipe 5 and a vapor supply pipe 8 are connected to the jacket part 2 of a reaction chamber 1. A combination vacuum pump 4 is connected to a lower part of the jacket part 2 with an ejector 10 interposed therebetween. A pressure sensor 16 capable of detecting an internal vacuum pressure state is mounted on the jacket part 2. A clocking part (not shown) is incorporated in the pressure sensor 16. When cooling the reaction chamber 1, by supplying the cooling fluid from the cooling fluid supply pipe 5 into the jacket part 2 and taking out heat of the reaction chamber 1 by evaporation of the cooling fluid, the reaction chamber 1 can be evaporatively cooled.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008181514-A (JP)
Title: Method for distributed clipping outside of view volume
Inventor: CAI MIKE M
IPC: G06T15/30
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To distribute the complexity in a graphics processing pipeline to simplify its design and improve performance.  <P>SOLUTION: A distributed clipping scheme is provided, and view frustum culling is distributed in several places in the graphics processing pipeline to simplify hardware implementation and improve performance. In general, many 3D objects are outside a view frustum. In one embodiment, clipping is performed on these objects with a simple algorithm in a PA module, such as near Z clipping, trivial rejection and trivial acceptance. In one embodiment, SE and RA modules perform the rest of clipping, such as X, Y and far Z clipping.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009165385-A (JP)
Title: Method for identifying kind of hevea brasiliensis
Inventor: OKUMURA AKIRA
IPC: C12Q1/68
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for identifying the kind of Hevea brasiliensis, by which the kind of Hevea brasiliensis can simply and accurately be identified.  <P>SOLUTION: Provided is the method for identifying the kind of the Hevea brasiliensis, characterized by identifying the kind of the Hevea brasiliensis on the basis of a standard comprising at least one of the length of an amplified DNA fragment obtained by performing a PCR with a primer comprising a specific base sequence and a primer comprising another base sequence and with a genome DNA extracted from the Hevea brasiliensis as a template and the restriction enzyme-cleaved pattern of the amplified DNA fragment.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009167704-A (JP)
Title: Pile driver
Inventor: UENO YOJI
IPC: E02D7/16
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To safely interrupt an extracting operation when an excessive extraction load is applied to a leader and enhance the working efficiency and reduce the cost for the recovery of the operation by reducing the labor and time required for the recovery.  <P>SOLUTION: A connection member 11 for a base machine 3 and a wire rope 12 for back tension is formed of a link member 14, an adjust member 16, and a connection pin 17 for connecting the adjust member 16 and the link member 14 to each other. A weak part 14c broken before the wire rope 12 for back tension is broken when an excessive load is applied to the wire rope 12 for back tension is formed on the link member 14. Extraction prevention means for preventing the link member 14 from coming out of the adjust member 16 are attached to the link member 14 and the adjust member 16, respectively.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008182239-A (JP)
Title: Electrostatic discharge (esd) protection device
Inventor: KANG MYOUNG-GON
IPC: H01L27/04
Filed: 2008-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrostatic discharge (ESD) protection device that decreases trigger voltage and increases holding voltage as compared with a conventional device.  <P>SOLUTION: The device includes an input/output section and a current discharge section, and the current discharge section includes a conductive region separated from a bridge region by a gate electrode, a well region formed under the conductive region, other well regions that are classified into the well region by other conductive regions, and a multi-addition conductive region implementing discharge paths of dual currents through other well regions.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009177671-A (JP)
Title: Relay amplifying apparatus
Inventor: SHIMIZU HIDEAKI
IPC: H04W16/26
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To enable the same receiver to perform an automatic gain processing and a distortion compensation processing in a relay amplifying apparatus.  <P>SOLUTION: A downlink system 30 of a relay amplifying apparatus 10 comprises a directional coupler 33, a common receiver 40 and a control section 50. The directional coupler 33 is provided on a route between a downlink system amplifier 32 and a downlink system second BPF 35, and a signal branched by the directional coupler 33 is sent to the common receiver 40. The control section 50 controls components of the downlink system 30 totally and performs signal amplification control in the downlink system amplifier 32 or compensation processing of distortion caused by amplification property of the downlink system amplifier 32 based on notification information sent from a base station device 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009175608-A (JP)
Title: Imaging body and imaging device having the same
Inventor: NAKANO TOSHIBUMI
IPC: G03B19/12
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging body for using a thin imaging element with a large light receiving element, and to provide an imaging device having the same.  <P>SOLUTION: An imaging body (1) includes: an attach/detach portion (2) to which an imaging optical system 10 is detachably attached; optical path division means (3); an imaging element (4); and a conversion optical system (5, 5'). The conversion optical system (5, 5') is formed by a front lens system (5a, 5c, 5d) and a rear lens system. The imaging body includes a first moving mechanism 6 for moving the optical path division means between a first position and a second position; and a second moving means 9 for moving the front lens system (5a, 5c, 5d) between the first position and a third position.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008271504-A (JP)
Title: Image pickup module
Inventor: UEMURA HIROKI
IPC: H04N5/357
Filed: 2008-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image pickup module which excellently shuts off electromagnetic radiation noise, can be small-sized and further improves productivity.  <P>SOLUTION: The present invention relates to an image pickup module comprising: an image pickup substrate 2 on which an image pickup element 2a is mounted that converts light into an electric signal; a lens member 3 in which a lens 3a for converging object light to the image pickup element 2a is supported on a holder 3b; a plurality of support pins 4 of which one side is attached to the holder 3b of the lens member 3, on which the image pickup substrate 2 is mounted in a through-state, to which ground wiring of the image pickup substrate 2 is electrically connected and in which the image pickup substrate 2 is supported while overlapping the lens member 3 at a predetermined gap maintained therebetween; and a shield member 5 which is attached to another side of the support pins 4, is electrically connected with the support pins 4 and overlaps the image pickup substrate 2 while keeping a predetermined interval therebetween. The image pickup substrate 2 and the shield member 5 are fixed and electrically connected at the same time by the plurality of support pins 4, electromagnetic radiation noise is excellently shut off and the image pickup module can be small-sized.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009178083-A (JP)
Title: Powder composition for solution pollination
Inventor: SUGIURA ISAO
IPC: A01H1/02
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a powder composition for solution pollination, which gives a dispersion having excellent dispersibility and dispersion stability (stability with time) simply by gently stirring the dispersion even when dispersed in an aqueous dispersion medium at 30°C or lower, especially in water.  <P>SOLUTION: Disclosed is a specific two-pack powder composition for solution pollination. The specific two-pack powder composition for solution pollination is composed of a first agent at least containing pollens and a second agent at least containing a water-soluble sugar, a thickener and a dispersion agent, and the solution pollination is carried out by mixing the first agent and the second agent in use and dispersing in an aqueous dispersion medium. There is also provided a method for the solution pollination or the like.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009182626-A (JP)
Title: Frequency synthesizer
Inventor: KURODA HIDEHIKO
IPC: H03L7/18
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a frequency synthesizer which has a compact circuit scale and a simple circuit structure.  <P>SOLUTION: Frequency dividers 11 and 12 which input signals from a voltage-controlled oscillator 19 and divide them, a frequency mixer 13 which mixes output signals from the frequency dividers 11 and 12, and a frequency divider 14 which inputs signals of either of two frequencies from the frequency mixer 13 and divides them are included in a feedback loop in a PLL circuit between the voltage-controlled oscillator 19 and a phase comparator 17. The phase comparator 17 inputs signals outputted from the divider 14 at one input terminal, and inputs a reference clock signal outputted from a reference signal generator 16 at another input terminal. A loop filer 18 supplies a voltage based on a phase comparison result of the phase comparator 17 to the voltage-controlled oscillator 19. The voltage-controlled oscillator 19 supplies signals which oscillate at a frequency corresponding to an input voltage to the frequency dividers 11 and 12.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009180170-A (JP)
Title: Torque transmission device for engine start
Inventor: HARUNO KIYOKAZU
IPC: F16D41/06
Filed: 2008-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a torque transmission device capable of setting the number of separation revolutions of a clutch 6 lower.  <P>SOLUTION: The clutch 6 is provided with a retainer 15 interlocking with the motion of a roller 14. A projection 12a pressing the roller 14 to an inner diameter side of an anti-wedge side of a cam chamber 16 is formed on an outer 12 of the clutch 6. If an engine is fired after cranking and gets into an overrun state, the projection 12a formed on the outer 12 presses the roller 14 to generate a component of a force in a direction raising the roller from an outer circumference surface of an inner 13. The retainer 15 is likely to be stopped at a place by an own inertia mass even if the outer 12 start rotating at high speed. As a result, the roller pressed by the projection 12a is retained in a state that the roller 14 rides over a retention surface 15a of the retainer 15, namely, a state that the roller 14 is raised from the outer circumference surface of the inner 13, to shut off torque transmission between the outer 12 and the inner 13.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009181011-A (JP)
Title: Karaoke network system, karaoke machine, content obtaining method, and content distribution method
Inventor: TSUGE HIROKAZU
IPC: G06F21/10
Filed: 2008-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To be able to provide a content faster to more users when a master machine of a karaoke machine obtains the content from a host server.  <P>SOLUTION: Only a master machine having a content obtaining authority out of a plurality of karaoke machines 4 on a LAN 100 compares the number of login users of the other respective slave machines with the number of login users of the own master machine respectively. In the case the number of login users of the own master machine is the most, the master machine obtains the content from a host server 2 by itself on the other hand, in the case the number of login users of the other slave machine is the most, the content obtaining authority is transferred to the slave machine and the master machine changes the own karaoke machine from the master machine into the slave machine. When the content obtaining authority is transferred from the master machine, the slave machine changes the own karaoke machine from the slave machine into the master machine to obtain the content from the host server 2.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009206536-A (JP)
Title: High frequency detector
Inventor: ASARI SHIGEATSU
IPC: H03D1/00
Filed: 2008-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high frequency detector improving the detection accuracy by unfailingly canceling an error component even when elements of a circuit operate in an unstable state.  <P>SOLUTION: The high frequency detector is provided with: a switch 5 for intermittently inputting a high-frequency signal on an input side of a detection circuit 2; a sample and hold means 6 for outputting a signal having the same amplitude as that of an output signal of the detecting circuit 2 during a period when the switch 5 is in an ON-state, and outputting a signal having the same magnitude as that of an output signal of the detection circuit immediately before the switch 5 becomes an OFF-state during a period when the switch 5 is in an OFF-state; a sample and hold means 7 for outputting a signal having the same magnitude of that of an output signal of the detection circuit 2 during a period when the switch is in an OFF-state, and outputting a signal having the magnitude same as that of an output signal of the detection circuit immediately before the switch 5 becomes an ON-state during a period when the switch 5 is in an ON-state; and a correction operation means 8 for executing correction operation for subtracting the output of the second sample and hold means from the output of the first sample and hold means.  <P>COPYRIGHT: (C)2009,JPO&INPIT