baber/WOPTO huggingface dataset:
Patent JP-2008130246-A (JP)
Title: Discharge lamp lighting apparatus
Inventor: YANO EIJU
IPC: H05B37/02
Filed: 2006-11-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control circuit for a flat-surface type fluorescent lamp that suppresses concentration of mercury in the sensor installed part on a lamp container surface and provides quick control response.  <P>SOLUTION: The discharge lamp lighting apparatus is provided with a transparent discharge container 6; a discharge medium containing mercury vapor and rare-gas airtightly sealed into the discharge container 6, a pair of electrodes 7a and 7b provided in the discharge apparatus to discharge the discharge medium; an infrared sensor 11 arranged in a position separated from the surface of the discharge container 6; a power control circuit 12, to which output signals from the infrared sensor 11 are supplied and which controls the power supplied to the pair of electrodes 7a and 7b provided in the discharge container based on the output signals; and a voltage supply circuit 13 for supplying the output voltage, controlled by the power control circuit 12, to the pair of electrodes 7a and 7b provided in the discharge container 6.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008126787-A (JP)
Title: Car washing brush and car washer
Inventor: ISHIGURO SHINJI
IPC: A46B7/10
Filed: 2006-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a car washing brush, which has a cost-effective structure and is excellent in dirt removing and washing efficiency without causing a scratch or leaving a hit mark on surfaces to be washed.  <P>SOLUTION: The car washing brush comprises a rotary shaft 2, and a cleaning member 3 fixed in the longitudinal direction of the periphery of the rotary shaft 2. The cleaning member 3 is made of at least a piece of a cylindrical member and has a plurality of hollow portions 4 in the circumferential direction of the rotary shaft 2. The cleaning member 3 contacts the surfaces of a car body (not shown in Figures) to be washed, and the hollow portions 4 help the cleaning member 3 deform easily along the irregularities of the surfaces to be washed. Thus, no portion is left unwashed, the cleaning performance and wiping performance are significantly improved, and no car washing graze is left on the surfaces.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008132061-A (JP)
Title: Game machine
Inventor: YAMAGUCHI KATSUMI
IPC: A63F5/04
Filed: 2006-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine with further value added by allowing each player to reassign motions to each input means of the game machine as the player likes.  <P>SOLUTION: When an assignment changing switch 62 is pressed, a CPU 31 displays a table changing screen for button (switch) assignment in a liquid crystal display part 2b. Then, the CPU 31 displays a screen to urge the player to select a button (switch) number the player wants to change. When the selection is fixed or a return key 63 is pressed after the selection, the CPU 31 displays a pop-up screen (with functions (button names)). Then, the CPU 31 displays a screen to urge the player to select the function the player wants to change, or more specifically, to select the button name, from the displayed pop-up screen. When the selection is fixed after the selection, the CPU 31 changes the content of the assignment of the motion to the selected button (switch) number on a button (switch) temporary assignment table.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008133660-A (JP)
Title: Building
Inventor: SAKURAGAWA NORIO
IPC: E04B1/682
Filed: 2006-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a long and massive building which is constructed such that simple expansion joints are arranged only in upper-layer slabs at least inclusive of a roof slab, out of slabs in a plurality of layers, to alleviate an influence of temperature change on the upper-layer slabs, and that floor planning in lower layers has high flexibility and double provision of columns and beams is dispensed with due to absence of the expansion joints in the lower-layer slabs, to thereby contribute to cost reduction.  <P>SOLUTION: In the building having a plurality of stories, which is so long and massive that an influence of building expansion/contraction due to the temperature change on a skeleton becomes a considerable problem, the expansion joints are arranged only in the upper-layer slabs at least inclusive of the roof slab 1, and an end of the beam located on each side of the expansion joint is made movable in a width direction of the expansion joint, and therefore the beam can follow the behavior of the slab due to the temperature change.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008133100-A (JP)
Title: Paper feeding device and image forming device mounted therewith
Inventor: TASHIRO YOSHIAKI
IPC: B65H3/46
Filed: 2006-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper feeding device for reliably cleaning a roller, and to provide an image forming device mounted therewith.  <P>SOLUTION: The paper feeding device comprises a paper storage part 6 formed detachably/attachably to be drawn out/pushed into an image forming device body 2 for storing sheets of paper stacked in their thickness direction, and a paper feeding mechanism 8 arranged on the device body and having the paper feeding roller 60 which contacts the paper located on the outermost layer in the paper storage part at a predetermined paper feeding position, for rotating the paper feeding roller to deliver the paper on the outermost layer one by one from the paper storage part to the direction almost the same as the drawing-out direction of the paper storage part. The paper storage part has a band-shaped cleaning member 42 which contacts the paper feeding roller to be rotated during attaching/detaching operation of the paper storage part.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007107100-A (JP)
Title: Composite film-covered member in plasma treatment container and method for manufacturing the same
Inventor: HARADA YOSHIO
IPC: C23C4/10
Filed: 2006-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a composite film-covered member in a plasma treatment container excellent in plasma erosion resistance, and a method for manufacturing the same.  <P>SOLUTION: The composite film-covered member in the plasma treatment container is covered with a composite film obtained by forming an undercoat made of a metal coating film on a surface of a substrate, then forming an intermediate layer made of Al<SB>2</SB>O<SB>3</SB>or a mixture of Al<SB>2</SB>O<SB>3</SB>and Y<SB>2</SB>O<SB>3</SB>on the undercoat, and subsequently forming a Y<SB>2</SB>O<SB>3</SB>sprayed coating as a topcoat.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008140956-A (JP)
Title: Exposure device
Inventor: ASAISHI TADAHIRO
IPC: H01L21/027
Filed: 2006-12-01
Abstract: <P>PROBLEM TO BE SOLVED: To prevent defocusing and reduction in productivity when exposure light composed of several wavelengths is used.  <P>SOLUTION: The exposure device exposes a substrate to light by using exposure light composed of several wavelengths. In this case, a difference between a wavelength (spectrum) which is set to an exposing source and a spectrum which is obtained from the light emitted by the exposing source is measured prior to real exposure. The real exposure is performed by correcting a wavelength command value to be set to the exposing source by adding or deducting the measured difference to or from an exposure wavelength command value calculated according to exposure parameters.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008138820-A (JP)
Title: Hydraulic control device of belt continuously variable transmission
Inventor: SOGA YOSHINOBU
IPC: F16H59/68
Filed: 2006-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydraulic control device capable of reducing pump loss while securing each hydraulic pressure required on the primary side and the secondary side of a hydraulic control circuit of a belt continuously variable transmission.  <P>SOLUTION: In this hydraulic control device, the hydraulic control circuit 200 of the belt continuously variable transmission comprises a line pressure control circuit L2 having a pressure regulating valve V1, a primary side hydraulic pressure control circuit L3 having a primary side pressure reducing valve V2, and a secondary side hydraulic pressure control circuit L4 having a secondary side pressure reducing valve V3. A line pressure PL is aligned with one of the set values of a primary side target hydraulic pressure and a secondary side target hydraulic pressure set according to the reduction gear ratio, whichever is higher, and applied to the higher target hydraulic pressure without reduction. Since merely a minimum hydraulic pressure is required for the line pressure, the discharge pressure of an oil pump 20 can be set lower. Consequently, the pump loss can be reduced.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008139797-A (JP)
Title: Display device and driving method of the same
Inventor: YOSHIDA YASUNORI
IPC: G02F1/133
Filed: 2006-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hold-type display device without the problem of motion blur and to provide the driving method thereof.  <P>SOLUTION: The length of a period for displaying a blanking image in one frame period is controlled in accordance with a control parameter showing the degree of motion blur, and the level of a signal supplied to a display element is changed in accordance with the length of the period for displaying the blanking image. Accordingly, the hold-type display device without the problem of motion blur and the driving method of the device can be provided.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008145870-A (JP)
Title: Display device
Inventor: OKAZAKI MASAKI
IPC: G02F1/1333
Filed: 2006-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display device in which rattling of a panel can be prevented without being affected by contraction of a supporting frame body and the holding rigidity of a pressing member can be secured, and which can therefore meet the need of reduction in width of the supporting frame body.  <P>SOLUTION: The display device includes the supporting frame body 2 supporting a peripheral edge part of a panel 1, a fixed frame body 3 pressing and attaching the peripheral edge part of the panel 1 to the supporting frame body 2, and a pressing member 7 which has an elastic member 72 for pressing the panel in a direction along a display surface 1a and am engaging part 73 and is pivotally attached to the supporting frame body 2 so as to be turnable in the direction along the display surface 1a. The supporting frame body 2 is provided with a part 26 to be engaged which can be engaged with the engaging part 73 in a press position where the pressing member presses the panel 1, whereby rattling of the panel 1 is prevented without being affected by contraction of the supporting frame body 2.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008153781-A (JP)
Title: Mobile electronic apparatus and its control method
Inventor: KONDO HIROSHI
IPC: H04N5/44
Filed: 2006-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To record a motion picture without interrupting a TV display during displaying a TV reception.  <P>SOLUTION: An encoder of a MPEG codec 34 is used for a motion picture recording when a TV broadcasting is not received. A decoder of the MPEG codec 34 is used for a TV broadcasting reception. The encoder of a JPEG codec is used for the motion picture recording while the TV broadcasting is received. After the TV broadcasting reception finishes and also the motion picture recording by a JPEG finishes, JPEG data are expanded by the decoder of the JPEG codec 36, is compressed by the encoder of the MPEG codec 34, and is converted into MPEG data.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008148594-A (JP)
Title: Sugar chain-related enzyme regulatory factor o-16 expressible in testis
Inventor: NARIMATSU HISASHI
IPC: C12N9/24
Filed: 2006-12-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a composition comprising a protein which is a protein specifically expressible in testis, associating with a sugar chain-related enzyme and regulating the activity of the sugar chain-related enzyme or a gene thereof, and to further provide a method for diagnosis, treatment or prophylaxis of infertility caused by an abnormality in spermatogenesis or difficult fertilization using genetic engineering production of the protein or a mutant thereof, identification of the sugar chain-related enzyme associating with the protein or the composition comprising the protein or the gene encoding the protein.  <P>SOLUTION: The composition comprises the protein which has an amino acid sequence represented by sequence number 2 or the amino acid sequence in which one or a plurality of amino acids are substituted or deleted in the amino acid sequence or the one or the plurality of amino acids are inserted or added to the amino acid sequence and is specifically expressible in the testis and associates with the sugar chain-related enzyme. The composition is used for regulating the activity of the sugar chain-related enzyme.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008153805-A (JP)
Title: Stereoscopic video image display device, and stereoscopic video imaging method for two-dimensional image
Inventor: IHARA MASAHIRO
IPC: H04N13/02
Filed: 2006-12-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stereoscopic video image display device capable of displaying stereoscopic video producing a stereoscopic effect using both-eye parallax and motion parallax based upon a two-dimensional image as an original image, and a stereoscopic video imaging method for a two-dimensional image using both-eye parallax and motion parallax.  <P>SOLUTION: The stereoscopic video image display device and the stereoscopic video imaging method for two-dimensional image are characterized in having a partial image arranging means 5 of arranging partial images extracted with a plurality of outlines from the original image in respective layers of image spaces made to correspond to real spaces, and also arranging the original image in the bottom layer as a background; a right virtual camera image acquiring means 4 and a left virtual camera image acquiring means 5 of acquiring right-eye image information and left-eye image information respectively on the basis of images of the respective layers; a display video generating means 7 of alternating and outputting the right-eye image information and left-eye image information to a display device in a switching time of 0.033 to 0.3 second; and a timer 14 which clocks the switching time.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008152874-A (JP)
Title: Optical element for optical pickup device and optical pickup device
Inventor: SHIN YUICHI
IPC: G11B7/09
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical element for an optical pickup device, capable of using different kinds of optical disks and accurately performing lens driving, and to provide the optical pickup device.  <P>SOLUTION: A padding part (weight) FL1 as a balance-adjusting means is formed at an end part on a second objective lens OL2 side of a flange part FL of the optical element OE. The center of gravity Go of the optical element OE can be formed close to the center of the optical element itself, by forming such a padding part FL1 on the side of the second objective lens OL2 that has a thin axial thickness and a small volume.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008154044-A (JP)
Title: Camera control server
Inventor: NAGAMATSU YASUNARI
IPC: H04N21/4227
Filed: 2006-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate acquisition of a control right for a user to continue photography of a desired subject.  <P>SOLUTION: When the subject relative to the user is no longer included in the photographed image of a network camera 10A controlled by the user having a camera control right, a camera control server 13 retrieves other camera which photographs the subject relative to the user and transmits the acquisition request of the camera control right to the retrieved camera.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008160469-A (JP)
Title: Antenna system, its mounting method and antenna mounting board
Inventor: SUZUKI KEI
IPC: H01Q13/08
Filed: 2006-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an antenna system improving its characteristic even when mounted at any position on a printed circuit board and to provide its mounting method.  <P>SOLUTION: The antenna system 10 is provided with a base body 11, first and second top face conductor portions 12 and 13 provided on the top face 11A of the base body 11, first and second side conductor portions 14 and 15, third and fourth side conductor portions 16 and 17, and a through hole conductor 18. The third side conductor portion 16 being a first feeding conductor is connected to one end of the first top face conductor portion 12, and the through hole conductor 18 being a second feeding conductor is directly connected to one end of the first top face conductor portion 12. The first side conductor portion 14 and the second side conductor portion 15 are connected by a connection conductor pattern 26. When feeding the power by the third side conductor portion 16, the antenna system 10 functions as a gap feeding type modified inverted-F antenna, and when feeding the power by the through hole conductor 18, the antenna system functions as a monopole antenna.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008156111-A (JP)
Title: Molded belt prevented from being warped and method of manufacturing the same
Inventor: TAJIMA HIROAKI
IPC: B65G15/34
Filed: 2006-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the warpage of a molded belt due to the shrinkage of a vulcanized rubber layer after vulcanizing and molding.  <P>SOLUTION: This molded belt 70 comprises a shrunk canvas 180 and a vulcanized rubber layer 181. The shrunk canvas 180 is formed by heating a non-shrunk canvas formed of synthetic resin fibers and heat-shrinkable in the lateral direction of a belt to a predetermined temperature or higher and shrinking it in a vulcanizing and molding step. The vulcanized rubber layer 181 is provided by heating and vulcanizing an unvulcanized rubber sheet in the vulcanizing and molding step. The difference between the lateral shrinkage rate of the unshrunk canvas and the rubber expansion rate of the vulcanized rubber layer 181 is within 2%, or the lateral shrinkage rate is higher than the rubber expansion rate.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008154969-A (JP)
Title: Bearing structure of sewing machine
Inventor: KAWASHIMA YOSHITO
IPC: F16C33/10
Filed: 2006-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To prevent deterioration of grease filled in a grease storage part and to improve the durability of the grease in a bearing structure of a sewing machine.  <P>SOLUTION: The bearing structure of the sewing machine has an air pathway 6a parallel to the shaft center of a main shaft 6 and an air intake 6d for introducing air into the air pathway 6a formed inside the main shaft 6. Four air discharging holes 6c which communicate with the air pathway 6a and which orthogonally cross the air pathway 6a are formed in the shaft part located in the vicinity of the right side of a first bearing member 16 of the main shaft 6, and a helical groove 6b is formed on the inner surface of the air pathway 6a for generating airflow toward the air discharging holes 6c.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008161309-A (JP)
Title: Fryer's inner case
Inventor: KIMURA TAKEKAZU
IPC: A47J37/12
Filed: 2006-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fryer's inner case which can prevent cooking oil from deteriorating and dirt from adhering on the sides of an oil tank.  <P>SOLUTION: The fryer's inner case which covers the inner wall of the oil tank within an appropriate vertical range from the surface of the oil inside the oil tank is composed of stainless steel laminate material placed along four side walls of the oil tank. A catalytic coating area of preferably the laminate material which coats the catalytic agent for preventing deterioration of the cooking oil is positioned on the panel surface of the laminate material near the oil surface and thereunder.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2006517855-A (JP)
Title: フィルタ構造体、フィルタ構造体を備えたフィルタパネル及びフィルタ構造体を作製する方法
IPC: D04H1/541
Filed: 2004-01-20
Abstract: 繊維状骨格内部に分布されたイオン交換粒子を含み、フィルタパネルにおいて使用されるプリーツ状にされうるフィルタ構造体は、フィルタ構造体をさらに膨張させることなく、乾燥しているイオン交換粒子と比較して、イオン交換粒子が膨潤すること又は膨潤した状態で存在することができる十分な空間を含むように、膨張されている。フィルタパネルは、フィルタパネル中に固定されたフィルタ構造体を含む。フィルタ構造体を作製する方法は、湿った又は水を含む環境にフィルタ構造体を曝す含水処理を、フィルタ構造体に受けさせることを含んでおり、それによりイオン交換粒子が膨潤し、フィルタ構造体の永続的な膨張がもたらされる。
Patent JP-2006516625-A (JP)
Title: チョウジ油を含む除草剤組成物
IPC: A01N65/28
Filed: 2004-01-28
Abstract: 植物精油またはアジュバント/土壌改良剤の1種類以上を含むかまたはそれを含まずに、有効成分としてチョウジ油を含む除草剤組成物、およびそれを使用する方法を開示する。
Patent JP-2006520221-A (JP)
Title: 金属材料より人工歯根を製作するための方法、及びこの方法のために用いるブランク
IPC: A61C5/77
Filed: 2004-03-05
Abstract: 本発明は、金属材料より人工歯根を製作するための方法、ブランク、中間体及び人工歯根を製作するための結合剤に関する。本発明の方法によれば、金属を含有する粉末混合物より成形され、かつ硬化されたブランクを準備し、ブランクから中間体を製作し、第３段階で中間体の後加工を行い、この後加工によって人工歯根の所望の材料特性が得られるようにした。
Patent JP-2006519023-A (JP)
Title: 動物を含まない細胞培養方法
IPC: C12N5/02
Filed: 2004-03-01
Abstract: 本発明は、第一動物供与源の外因性成分の不在下における、動物、好ましくはヒトの二倍体足場依存性細胞培養の方法、および該方法を実施するのに適した第一動物供与源の外因性成分を実質的に含まない細胞培養培地に関する。特に、本発明は、少なくとも１つ、より好ましくはいくつかの外因性動物非含有増殖因子を含む細胞培養培地に関する。本発明はまた、細胞を継代するために非動物供与源のトリプシン代替品を使用することを含み、本発明の培地中で、動物、好ましくはヒトの二倍体足場依存性細胞を培養する方法にも関する。本発明はさらに、ウイルス、ウイルスワクチン等の製造方法に関する。
Patent JP-2006521235-A (JP)
Title: 特に車両用バッテリの筐体である筐体の支持部への固定器具
IPC: H01M50/244
Filed: 2004-03-11
Abstract: 本発明は、特に車両用バッテリの筐体である筐体（１）をキャリアプレート（３）に固定する器具に関し、筐体（１）が複雑な操作及び道具の助けなしにプレート（３）にすばやく固定されることを可能にする。このことを実現するために、スプリングローディング（ばね付勢）された湾曲した固定部分（１０）が、キャリアプレート（３）上に置かれる筐体（１）の壁とキャリアプレート（３）から垂直に突出している取り付けエッジ（４）との間に張力を受けて挿入される。固定部分（１０）はＵ字形に湾曲していることが望ましく、取り付けエッジ（４）と協働するくさび形状面（１２）及び所定の位置で筐体を固定する係合要素（１７、２６）に加えて、キャリアプレート（３）の開口部（７）を用いて筐体（１）のベースを把持するフック形状部分（２７）を含む。
Patent JP-2006523776-A (JP)
Title: 電着塗膜形成方法及び電着塗膜、並びに、電着製品
IPC: B05D3/02
Filed: 2004-03-25
Abstract: 【課題】  本発明は、ピンホールの発生が極めて少なく、平滑性に優れ、非常に高い電気絶縁性を得ることができる電着塗膜形成方法及び電着塗膜、並びに、電着製品を提供する。 【解決手段】  被塗装物に対して、加熱及び活性エネルギー線照射によって硬化可能な電着塗料を塗装して電着塗膜を形成する方法であって、電着塗装工程、水洗工程、予備加熱工程、活性エネルギー線照射工程、及び本加熱工程を順に行うものであることを特徴とする電着塗膜形成方法である。 上記の電着塗膜形成方法によって得られることを特徴とする電着塗膜である。 上記電着塗膜を有することを特徴とする電着製品である。
Patent JP-2006522310-A (JP)
Title: 冷凍サイクル用エネルギー効率改善装置
IPC: F25B5/04
Filed: 2004-03-30
Abstract: 冷凍サイクル用エネルギー効率改善装置が開示されている。本発明による冷凍サイクル用エネルギー効率改善装置は、低温低圧の冷媒蒸気を高温高圧に圧縮して周辺との熱交換により凝縮させた後、凝縮された冷媒液を膨張させて周辺との熱交換により蒸発させることにより、冷房や暖房などを行う冷凍サイクルの性能を改善するための装置であって、所定の長さ及び形状を有し、一端が室外熱交換器の出口側に接続され、他端が膨張弁の入口側に接続される内部管、この内部管を同心状に収めると共に、一端が室内熱交換器の出口側に接続され、他端がコンプレッサの入口側に接続される外部管及びこの外部管を取り囲む断熱カバーを備え、高圧の液体冷媒と低圧の蒸気冷媒を熱交換させる補助熱交換器ユニットと、この補助熱交換器ユニットの内部管の入口側に設けられ、室外熱交換器において凝縮された高圧の液体冷媒の圧力を適切に下げると共に、室外熱交換器の凝縮圧を保持する保圧弁と、補助熱交換器ユニットと保圧弁を内部に収めるキャビネットと、を備える。これにより、冷房機や冷凍機の冷凍効果のアップ及び性能係数の向上を図ることができ、しかも圧縮仕事量を減らして消費電力を削減することができる。特に、通常の冷房機をヒートポンプのように冷暖房兼用で運転できながらも、その冷暖房性能を大幅に高められて消費電力も節減できる。
Patent JP-2006525521-A (JP)
IPC: G01C17/38
Filed: 2004-04-30
Abstract: A vehicle compass system for compensating for magnetic disturbances caused by a moveable vehicle accessory includes a magnetic field sensor and a control circuit coupled to the moveable vehicle accessory and the magnetic field sensor. The magnetic field sensor is positioned at a distance from the moveable vehicle accessory and is configured to determine an orientation of the magnetic field sensor with respect to the Earth's magnetic field and to generate magnetic field data. The control circuit is configured to receive a position signal from the moveable vehicle accessory indicating whether the moveable vehicle accessory is changing position, to receive magnetic field data from the magnetic field sensor, to compare first magnetic field data generated prior to the change in position of the moveable vehicle accessory to second magnetic field data generated after the change in position of the moveable vehicle accessory and to generate a correction value based on the comparison of the first magnetic field data and the second magnetic field data. The correction value is used to correct for the magnetic disturbance caused by the moveable vehicle accessory.