baber/WOPTO huggingface dataset:
Patent JP-2002516513-A (JP)
IPC: H04B1/692
Filed: 1999-05-17
Abstract: In a radio system that employs frequency hopping (FH), access time delay is reduced, without compromising processing gain, by adding direct-sequence (DS) spreading to the system. This results in a hybrid FH/DS system, wherein the use of DS spreading permits a reduction in the number of hop frequencies used during start-up. Once synchronization is achieved, pure FH spreading, rather than the hybrid FH/DS spreading, along with a greater number of hop frequencies are used.
Patent JP-2002517367-A (JP)
Title: 結晶成長装置および方法
IPC: C30B15/20
Filed: 1999-06-01
Abstract: (57)【要約】
本発明は、PIDコントローラの制御信号が、ニューラル回路網から供給される制御信号に重畳される構成の結晶成長装置および結晶成長方法に関する。これにより、外的形状および内的特性に関して単結晶および多結晶の非常に高い品質が得られる。
Patent JP-2002518852-A (JP)
Title: 太陽電池を具備する屋根構成部材
IPC: H02S40/44
Filed: 1999-06-16
Abstract: (57)【要約】
【課題】  簡易な構造で安価な、太陽電池を有する屋根構成部材を提供することにある。
【解決手段】  少なくとも１つの太陽電池を具備する屋根構成部材であって、前記屋根構成部材が、行および／または列を成して、互いに対して重畳して配置されている複数の屋根瓦の形を有することを特徴とする、屋根構成部材。
Patent JP-2002520486-A (JP)
IPC: C22F1/047
Filed: 1999-07-07
Abstract: A process of heat treating a sheet article made of a 6000 series aluminum alloy to achieve good "paint-bake response" that is substantially unaffected by natural aging. The process comprises heating the alloy sheet article at a solutionizing temperature followed by cooling the alloy sheet article. The cooling involves the following steps: (1) cooling from said solutionizing temperature to a temperature in the range of 150 - 250  DEG C at a rate greater than or equal to about 4  DEG C per second; (2) further cooling the alloy to a temperature in the range of ambient to 100  DEG C at a rate of 20 to 30  DEG C (preferably about 25  DEG C) per minute; and (3) further cooling the alloy sheet article having a temperature of 55  DEG C or more after step (2) to ambient temperature at a rate of less than 2  DEG C per hour. Alloy sheet articles suitable for use in the fabrication of automobile skin part can be produced in this way.
Patent JP-2002527005-A (JP)
Title: マルチチャネルコネクションのチャネルを導通接続する回路装置および方法
IPC: H04J3/16
Filed: 1999-09-23
Abstract: (57)【要約】
高いデータレートの伝送を行うためのＮチャネルからなるコネクションにおいて、制御ユニットに第１チャネルが設けられている。このチャネルによって別のＮ−１チャネルの調整を行う。Ｎチャネルからなるコネクションの個別のチャネルは、交換局においてさらにそれらの資源の利用に相応して発生する。しかしながら第１チャネルだけがこのコネクションの制御を担当し、したがってただ１つのＮ重コネクションだけがこの交換システムによって形成される。
Patent JP-2002529400-A (JP)
IPC: A61K31/05
Filed: 1999-11-08
Abstract: The present invention relates to pharmaceutical compositions for the sustained release of pharmacologically active compounds, and methods of their manufacture and use. The pharmaceutical compositions contain microcrystals of pharmacologically active compounds which are encapsulated within a phospholipid layer which contain a unique combination of phospholipids. The pharmaceutical compositions may be rendered suitable for injection. The microcrystals are of varying sizes. At least 50 percent of the microcrystals are from 0.5 mum and 3.0 mum in diameter, at least ten percent of the microcrystals are from 3.0 mum to 10 mum in diameter, and the composition may contain microcrystals which are greater than 10 mum in diameter. Methods of manufacturing the composition are disclosed, as well as various methods of administration.
Patent JP-2002530632-A (JP)
IPC: H01L21/66
Filed: 1999-11-06
Abstract: According to the inventive method for determining the thickness of at least one layer provided on a substrate, the measurement can be constructed simply and reliably and a reliable measuring result can be obtained by measuring reflection-and/or transmission light intensity values of zero order in dependence on the wavelength and calculating said reflection-and/or transmission light intensity values using an iteration model which is dependent on the individual layer parameters. The layer parameters are altered in order to introduce a consistency between the measured values and the calculated values and the substrates have geometrical structures whose geometrical dimensions are used as further parameters of the iteration model. The inventive method also provides a means of determining the geometry of structures in the substrate, for example the depth, width and the repetition interval of grooves in a blank for geometrical storage media, such as CDs.
Patent JP-2004508273-A (JP)
IPC: G01N33/569
Filed: 1999-12-01
Abstract: The present invention relates to a pharmaceutical composition for the prevention of alloimmunisation of a subject or the immunosuppression of a response elicited by alloimmunisation of a subject or an autoimmune haemolytic disease for said composition comprising an immunologically effective epitope of a rhesus protein or an immunologically active analogue or derivative thereof.
Patent JP-2003522115-A (JP)
Title: ４，５−ジクロロ−２−ｎ−オクチル−４−イソチアゾリン−３−オン及び塩素化されたイソシアヌレートと臭化物化合物との混合物からなる相乗作用的な抗菌性の組み合わせ、並びに、その使用方法
IPC: A61L2/16
Filed: 1999-12-20
Abstract: (57)【要約】
４，５−ジクロロ−２−Ｎ−オクチル−４−イソチアゾリン−３−オン及び塩素化されたイソシアヌレートと臭化物化合物との混合物からなる相乗作用的な抗菌性の組み合わせが、開示されている。これらの相乗作用的な抗菌性の組み合わせを使用して、微生物の成長を抑制する方法もまた、開示されている。
Patent JP-2002534393-A (JP)
IPC: A61K35/28
Filed: 1999-12-30
Abstract: The invention relates to the field of hematopoietic CD34 +  cell mobilization. In particular, this invention relates to a method for increasing the mobilization of pluripotent hematopoietic CD34 +  cells by administration of human growth hormone or one of its derivates to the individual.
Patent JP-2002535880-A (JP)
Title: 情報モデルを含む共有保護リソースの管理方法
IPC: H04B1/74
Filed: 2000-01-13
Abstract: (57)【要約】
本発明は、保護リソースをアクティブリソースに割当てることができ、リソースの情報モデルの作成を含む、保護リソースの管理方法に関するものである。本発明によれば、この情報モデルは、信頼度の高いリソース（ＲＦ１）を規定するアクティブリソース（ＲＡ）の少なくとも１つの保護グループと、保護リソースに接続された少なくとも１つの選別グループ（ＧＳ１）を有し、この選別グループは、保護グループまたは信頼度の低いリソースに接続されるように構成される。本発明は、通信ネットワークに適用される。
Patent JP-2002535528-A (JP)
Title: コンクリート壁型枠モジュール
IPC: E04B2/86
Filed: 2000-01-28
Abstract: (57)【要約】
本発明はコンクリートが注入されるモールドを形成するレンガ壁の形で他の類似のモジュールと組合される可能性のある組立式コンクリート型枠モジュール（１）を開示するものである。型枠モジュールは好ましくは横のタイロッド（１９）によって接続される平行グリッド（１７、１７′）から成る補強構造体（１１）を持つ。前記型枠モジュールはまた互いに離れた長手方向の側壁を形成する一組の対向パネル（１３、１３′）を持つ。前記型枠モジュール は更に壁を形成するのに組み立てられるときに隣接したモジュール間に安定性を提供するブリッジ（２１）を形成するアーム（２３）を持つ。パネル（１３、１３′）は絶縁材料でできていることが好ましい。
Patent JP-2003514215-A (JP)
IPC: H04W64/00
Filed: 2000-01-24
Abstract: A method and apparatus is disclosed for measurement processing of Satellite Positioning System (SPS) signals. A plurality of SPS signals from a corresponding plurality of SPS satellites are received in an SPS receiver. The signal environment corresponding to the location in which the SPS receiver is located is characterized to produce signal environment data. In one exemplary embodiment, an information source, such as a cellular network based database, is searched to retrieve the signal environment data given an approximate location of the GPS receiver. This approximate location may be specified by a location of a cell site which is in cellular radio communication with a cellular communication device which is co-located with the GPS receiver. One or more parameters related to signal characteristics of the satellite signals are defined. Threshold values for the parameters are determined using the signal environment data. Code phases corresponding to times of arrival of respective satellite signals from the plurality of satellites are measured. The data representing measured times of arrival are examined using threshold values for the parameters to produce a set of times of arrival from which a location fix for the GPS receiver is calculated. Other methods and apparatuses for other embodiments of the invention are also described.
Patent JP-2002536082-A (JP)
Title: 反応液を体孔に移す使い捨て装置
IPC: A61M37/00
Filed: 2000-02-02
Abstract: (57)【要約】
反応液を体孔（２）に移す使い捨て装置（１）であり、押すことによって装置を前記体孔に挿入することができる、充分な内因性粘ちょう度を有し、前記装置が、反応液の少なくとも一部の供給源に位置した中心要素（３）と、固体状態の中心要素の周りに配置され且つ、膨張して、体孔（２）の粘膜に対して密封するように押すことによって、体孔の中に分配された反応液を集めて、吸収するように設計されたパッド（５）から成る周囲要素とを備える。中心要素（３）が、体孔の外で周囲温度により相対的に固体になり、この体孔の内部で体温により相対的に液体に変わる基質から成り、前記中心要素がこの孔の中で、少なくとも部分的に液化して、反応液の液相の少なくとも一部を生じさせる
Patent JP-2002537157-A (JP)
Title: 価値のある文書
IPC: B42D25/328
Filed: 2000-02-22
Abstract: (57)【要約】
本発明は、光学的に変化する材料を有する保護要素を有する価値のある価値のある書類またはID カードのような価値のある文書に関する。該光学的に変化する材料は、異なる視角で異なる色彩効果を示す。さらに、前記保護要素は、前記光学的に変化する材料の視覚的な光学的に変化する効果を損なわない少なくとも一つの機械で読取り可能な特徴物質を有する。
Patent JP-2003533866-A (JP)
Title: 局所接続・導電ラインを形成する方法及びその構造体
IPC: H01L27/088
Filed: 2000-03-10
Abstract: (57)【要約】
集積回路を製造する方法は、半導体基板の上に対向する側壁（２７，２８；２９，３０；３１，３２）を有する導電ライン（２２，２４，２６）を形成する過程を有する。絶縁層（３４）が次に堆積される。絶縁層（３４）は、ライン（２２，２４，２６）の少なくとも一つの側壁の少なくとも一部分に沿ってエッチングされる。次に、絶縁スペーサ形成層（４６）が基板及びライン上に堆積される。それは、絶縁側壁スペーサ（４７−５０，５２）を形成するために異方性エッチングが行われる。局所接続を形成する方法は、半導体基板上に少なくとも二つのトランジスタゲートを有する。局所接続層（５６）がトランジスタゲートの少なくとも一つの上に横たわり、且つ一方のゲートの少なくとも一つのソース／ドレインを他のトランジスタゲートの近傍の半導体基板に接続するように堆積される。一態様として、導電性増強不純物が局所接続層内に少なくとも二つの注入ステップにより注入される。一方の注入により、他方の注入よりも深く層内にピーク注入位置が提供される。導電性増強不純物が、局所接続層からその下の半導体基板材料内に拡散される。一態様として、導電性増強不純物は、局所接続層を通して、その下の半導体基板材料内に注入される。フィールド絶縁材料領域及び活性エリア領域が、半導体基板上に形成される。トレンチが、フィールド絶縁材料内に所望のライン形状となるようにエッチングされる。導電性材料は、トレンチを少なくとも一部分充填し、その中に導電ラインを形成するように堆積される。集積回路が、開示され且つ特許請求されている。
Patent JP-2002540210-A (JP)
Title: 有機金属錯体分子およびこれを用いる有機電子発光素子
IPC: H01L51/50
Filed: 2000-03-30
Abstract: (57)【要約】
発光と電子移送特性を有する新規の有機金属錯体分子を開示する。また、電子移送物質としてこれら有機金属錯体分子を使用する有機ＥＬ（電子発光）素子を開示する。前記有機金属錯体分子は他の発光物質をドーピングするかしないで発光層を形成するのに用いられる。また前記有機金属錯体分子は有機ＥＬ素子の電子移送層で用いることができる。前記有機金属錯体分子を混入した前記有機ＥＬ素子は高い熱安定性を有する。
Patent JP-2003500584-A (JP)
Title: 同軸の燃料／滑油フィルタおよび熱交換器のユニット
IPC: F28D7/12
Filed: 2000-05-18
Abstract: (57)【要約】
本発明は、例えばガスタービンエンジンにおいて、滑油と燃料との間で熱エネルギを伝達（６）しながら、滑油と燃料を同時にろ過する（９，１０）ために使用可能な複合型の熱交換器（６）および流体フィルタ（９，１０）に関する。従来は、燃料および滑油のフィルタ（９，１０）や熱交換器（６）は、エンジン内に個別に取り付けられており、多数の管路がこれらの間で流体を導いている。本発明は、これらの構成要素をひとまとめ（１）にする。
Patent JP-2002207954-A (JP)
Title: System and method for providing media
Inventor: MORI KAZUHIKO
IPC: G06F21/60
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To provide a system and a method which properly protect the copyright of media and can provide media of high quality. SOLUTION: A data managing server 100 having received original data of media from a client 400 makes the original data into deteriorated data and then transmit the deteriorated data to a homepage. The data managing server 100 once receiving information on a desire to buy the media from a user computer 300 sends the original data to a laboratory shop device 200. The laboratory shop device 200 receiving the transmitted original data outputs and provides the data for the user.
Patent JP-2002206039-A (JP)
Title: Flame-retardant resin composition and molding comprising the same
Inventor: TAMAI AKIYOSHI
IPC: C08L21/00
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To obtain a flame-retardant resin composition which has high flame retardance and excellent light resistance and transparency without impairing excellent essential mechanical characteristics of a rubber-reinforced styrene-based resin, without using a halogen-based organic compound for the rubber-reinforced styrene-based resin. SOLUTION: This flame-retardant resin composition comprises 100 pts.wt. of the rubber-reinforced styrene-based resin (A), 0.1-10 pts.wt. of a modified phenol-based resin (B), 1-30 pts.wt. of a phosphorus-based flame retardant (C) and 0.1-5 pts.wt. of a phosphorous ester-based compound and has >=60% total light transmittance measured at 23 deg.C. This molding comprises the flame- retardant resin composition.
Patent JP-2002207903-A (JP)
Title: Custom-made system
Inventor: OTA AKIMASA
IPC: G06Q50/04
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a custom-made system which enables a buyer to select components to be used out of more kinds of components. SOLUTION: An assembly maker 10 obtains components information from respective component makers 30 to 33 and stores it on a server, and publishes the stored component information in homepages that the assembly maker 10 opens so that the information can be referred to from a buyer's information terminal 21. A buyer 20 accesses the homepages of the assembly maker 10 from the buyer's information terminal 21, selects components used to assembly a desired product to be manufactured out of the published components, and sends an order including the selected article information to the maker 10. The assembly maker 10 calculates and reports an estimate for manufacturing cost and the lead time of the manufacture to the buyer 20 in response to the order.  The buyer 20 having acknowledged the above contents informs the assembly maker 10 of that and the assembly maker 10 prepares the components according to the order and assembles the product.
Patent JP-2002210408-A (JP)
Title: Device for driving ultrasonic vibrator transducer and underwater detecting device
Inventor: INAI MITSUHIRO
IPC: G01S7/524
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To make it possible to be compatible with ultrasonic vibrator transducers of various specifications without providing a transformer with intermediate taps. SOLUTION: Voltages V1, V2 to be applied across both ends of respective ultrasonic vibrator transducers 12, 16 are controlled by controlling a pulse width of a pulse outputted to the primary side of a transformer 7 from a transmission circuit 1. Since the voltages across the transducers are decreased when the pulse width is narrow, while the voltages across the transducers are increased when the pulse width is wide, the transducers 12, 16 are applied with the voltages according to the pulse widths, and the driving device is compatible with the ultrasonic vibrator transducers of various specifications by using only a single transmission circuit and a transformer.
Patent JP-2002217181-A (JP)
Title: Vaporizer for supplying semiconductor raw materials
Inventor: KAYA YOSHIFUMI
IPC: H01L21/31
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a vaporizer for supplying semiconductor raw materials, in which the vaporization efficiency of raw materials supplied to a semiconductor fabrication equipment and raw material supplying property are improved. SOLUTION: The vaporizer for supplying semiconductor raw materials vaporize the liquid raw material (7) supplied by carrier gas (10A) by heating with heaters (1A and 1B) for supplying a liquid raw material (7) to a CVD equipment for fabricating semiconductors. The vaporizer provides an atomizing chamber (15) having all or a portion of inner wall shape consisting of curved surface for atomizing the liquid raw material carried by the carrier gas (10A), and an atomizing chamber (16) having all or a portion of inner wall shape consisting of curved surface and connected to the atomizing chamber (15) for atomizing the liquid raw material atomized in the atomizing chamber (15). The liquid raw material (7) atomized in the atomizing chamber (15) is vaporized to carry the carrier gas (10A) to the CVD equipment.
Patent JP-2002215672-A (JP)
Title: Retrieval expression extension method, retrieval system and retrieval expression extension computer program
Inventor: HOASHI KEIICHIRO
IPC: G06F17/30
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a retrieval expression extension technology in which high retrieval accuracy is acquired using a coordination filtering technique. SOLUTION: A retrieval expression vector Q is inputted to compute similarity Sim or a correlation coefficient Cor to all retrieval object documents of a retrieval object document group 26. The document group with the high computed similarity or correlation coefficient is extracted from the retrieval object document group, and the score of each word to a retrieval expression after extension is computed using the scores of the words included in the extracted document group. On the basis of the newly computed scores of the words, the extension object word is selected to create an extended retrieval expression. On the basis of the extended retrieval expression Qnew, the retrieval object document group D is retrieved again to extract a suitable document.
Patent JP-2002219931-A (JP)
Title: Opening/closing apparatus of fresh-air inlet cover of air conditioner for construction equipment
Inventor: MORI SADASHI
IPC: B60H1/26
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide an opening/closing apparatus of an fresh-air inlet cover of an air conditioner for construction equipment, with good workability of attaching/removing a cover SOLUTION: In the opening/closing apparatus, the fresh-air inlet cover 10 covers/opens a fresh-air inlet 1c opened to an outer wall 1b of a cab 1 to introduce fresh air into the air conditioner in the cab. The fresh-air inlet cover 10 openably and closably is supported by the outer wall 1b through a hinge 11, and is locked at least one portion to the outer wall 1b by a locking means 12, with the flesh-air inlet cover being closed. A spring means 11c is disposed at the supported portion of the fresh-air inlet cover 10, so that the spring means urges the fresh-air inlet cover 10 in a direction opening the cover when the cover is closed and keeps the cover in neutral position of half-opening the cover when the cover is opened. The fresh-air inlet cover 10 may be disposed on the outer wall 1b at the rear of a door of the cab 1.  It is preferable that the spring means 11d should functions as a hinge 11.
Patent JP-2002222005-A (JP)
Title: Numerical controller system
Inventor: HARAGUCHI HIROO
IPC: G05B19/18
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To easily update a system program by eliminating the need to manually replace a PROM and the need to mount a tool dedicated to flash memory writing. SOLUTION: A numerical controller 10 wherein a control unit 20 on which a flash memory storing the system program is mounted and a driving device 30 are connected by a network 40 is equipped with a program management station 50 which manages the kind and version of the system program of the control unit and driving device, a means which inquires system program information of the program management station when the power source of the numeral controller is turned on, and a means which automatically downloads the system program stored at the program management station and writes it to the flash memory for system program storage when current system program information that the control unit and driving device have does not match the system program information managed by the program management station.
Patent JP-2002222913-A (JP)
Title: Semiconductor device and manufacturing method therefor
Inventor: FUKUI YASUKI
IPC: H01L25/07
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device wherein a plurality of semiconductor chips are formed on a substrate for sure insulation. SOLUTION: In the semiconductor device, a first semiconductor chip 1 and a second semiconductor chip 2 are formed on the substrate 7, and electrode terminals 21 formed on the semiconductor chips 1 and 2, respectively, are electrically connected with the substrate 7 through first bonding wires 3 and second bonding wires 4. An insulating layer 5 is formed between the second bonding wires 4 and the first semiconductor chip 1.
Patent JP-2001284471-A (JP)
Title: Semiconductor memory device
Inventor: HIGASHIDE YOSHIKO
IPC: H01L21/8244
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To resolve the problem of memory cell region size increase and large increase of memory cell array region, in the case that the size of the memory cell region increases in the row direction, caused by the influence of the connection hole for connecting a first layer bit line and a second layer bit line in a semiconductor memory device constituted by the bit lines of two layers. SOLUTION: A dummy cell region, which does not electrically perform memory cell operation, is installed, adjoining the memory cell region having the connection hole, or the connection hole is arranged in the dummy cell region.
Patent JP-2001244757-A (JP)
Title: Power amplifier using incoming signal information
Inventor: COZZARELLI JOSEPH
IPC: H04B1/04
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a power amplifier that operates more efficiently. SOLUTION: A power amplifier system uses incoming signal information of a signal amplified by an amplifier to control the operation of the amplifier, thereby allowing the efficient operation as a whole. The power amplifier system can re-configure the amplifier on the basis of incoming signal information such as a measured peak power, a measured mean power, number of users, types (CDMA, TDMA, FDMA) of a carrier, and number of the carriers and/or means power per carrier. For example, a processing circuit reconfigures a power amplifier architecture, on the basis of the incoming signal information for the amplified signal, to adjust the peak power processing capability of the amplifier. Reducing the peak power processing capability of the amplifier can enhance long term efficiency of the amplifier.  The power amplifier system adjusts the bias voltage applied to the amplifier, on the basis of, e.g. incoming signal configuration information to adjust at least one operating characteristic of the amplifier, while keeping the configuration of the amplifier.
Patent JP-2002228210-A (JP)
Title: Humidifying sheet, its producing method and humidifier
Inventor: NODA HIDEFUMI
IPC: F24F6/04
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To obtain a humidifying sheet in which the cost can be reduced without using a large number of moisture permeable films and the size of a humidifying element can be reduced while enhancing humidification performance. SOLUTION: The humidifying sheet is produced by forming a moisture permeable film 1 to have a corrugated cross-section. Consequently, the area of the moisture permeable film 10 substantially effective for moisture permeation can be increased significantly as compared with a case where the moisture permeable film 1 has a flat surface.
Patent JP-2002081041-A (JP)
Title: Construction method for improving concrete water channel wall surface
Inventor: SATO MASAYOSHI
IPC: E03F7/00
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To reduce the construction cost and remarkably reduce the working time. SOLUTION: This construction method comprises a substrate treatment process for removing deteriorated parts of a water channel wall surface and foreign matter, and a coating process for applying high elastic special mortar to the water channel wall surface after the substrate treatment process.
Patent JP-2002232917-A (JP)
Title: Viewpoint position detector, viewpoint position detection method and stereoscopic image display system
Inventor: SUZUKI MASAHIRO
IPC: H04N13/239
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a viewpoint position detector that can detect a viewpoint position of a person to be measured at a high-speed. SOLUTION: The viewpoint position detector detects a viewpoint position of a person to be measured and provides an output, where the viewpoint position is expressed with a combination of 1st position information representing a position with respect to a 1st direction and 2nd position information representing a position with respect to a 2nd direction different from the 1st direction, and is provided with a 1st position detection means that detects the 1st position information by a 1st method, a 2nd position detection means that detects the 2nd position information by a 2nd method different from the 1st method, and an output means that provides an output of the 1st and 2nd position information as a viewpoint position,  and the accuracy of the 2nd position information is selected less than the accuracy of the 1st position information or a detection frequency of the 2nd position information is set lower than the detection frequency of the 1st position information.