baber/WOPTO huggingface dataset:
Patent JP-2004538421-A (JP)
IPC: F02M47/02
Filed: 2002-08-15
Abstract: The invention relates to a method of controlling the fuel injection to a combustion chamber (4), comprising the steps of: supplying fuel to a pump (2), which has a piston (7) reciprocating in a cylinder (6), pressurizing the fuel by applying a force onto the piston (7) by means of an actuator (8), so that the piston (7) is displaced from a first end position (9) towards a second end position (10), injection of fuel corresponding to a partial volume of the fuel pressurized in the cylinder (6), into the combustion chamber (4), and returning the piston (7) towards the first end position (9) by means of the pressurized fuel, so that the piston (7) acts with a driving force on the actuator (8). The invention also relates to a fuel injection device for carrying out the method.
Patent JP-2005501379-A (JP)
Title: 陰極線管と画像ディスプレイ装置
IPC: H01J29/48
Filed: 2002-07-12
Abstract: 【課題】ディスプレイ画面の端、および特に隅において外側および内側の電子ビームの集束が改良された陰極線管を提供することと、このような陰極線管を有する画像ディスプレイ装置を提供すること。 【解決手段】カラー陰極線管（ＣＲＴ）が、３本の電子ビーム（ＥＢＲ， ＥＢＧ， ＥＢＢ）を生成するための電子光学的システム（１）と、偏向手段（２）と、画面（３）とを有する。動作時、偏向手段（２）は、画面（３）上のビームの到達位置を変更するために、電子ビーム（ＥＢＲ， ＥＢＧ， ＥＢＢ）を偏向する。しかしながら、ビームを偏向することによって、ビームは焦点がずれ、画面（３）上のスポットが変化する。相対的に大きな画面のカラー陰極線管においては、電子ビームの焦点ずれが、各ビーム（ＥＢＲ， ＥＢＧ， ＥＢＢ）に対する強さに依存して異なることが観察されることがある。本発明は、電子光学的システム（１）に、改良されたＤＡＦセクション（４０）を設けることによって、この問題の解決策を提供する。このＤＡＦセクション（４０）は、各電子ビーム（ＥＢＲ， ＥＢＧ， ＥＢＢ）に対して強さの異なる少なくとも２枚の電子レンズ（Ｌ１， Ｌ２）を有する。 【選択図】図５
Patent JP-2005502906-A (JP)
Title: 波長可変光フィルタ
IPC: G02F1/01
Filed: 2002-09-12
Abstract: 頂部ミラー、底部ミラーおよび１つまたは複数の介在層を有する波長可変フィルタである。１つまたは複数の介在層は、温度によって変化する屈折率を有していることが好ましい。１つまたは複数の介在層を加熱することにより、光フィルタによって選択される波長を制御することができる。１つまたは複数の介在層は、該１つまたは複数の介在層に電流を流すことによって、あるいは該１つまたは複数の介在層と熱的に結合した個別抵抗層に電流を流すことによって加熱されることが好ましい。このようなフィルタにより、確実でかつ安定した高水準の波長選択性が提供される。
Patent JP-2005503422-A (JP)
Title: 口腔衛生方法及びその用具
IPC: A61K8/49
Filed: 2002-09-09
Abstract: 【課題】セルフケアで使用してほぼ安全であり、細菌、ウイルス及び他の微生物に顕著な殺滅作用を有する家庭用の衛生口腔清浄方法及び用具の提供。 【解決手段】可視波長で広い吸収スペクトルを有ししかも適度の量での消費には安全な感光剤；口腔内の血清、唾液または他の体液の有害な作用から感光剤を保護するための化合物を含む口腔衛生組成物。 【選択図】図１
Patent JP-2005511025-A (JP)
Title: ハイスループットスクリーニングおよび創薬のための同質遺伝子性ヒト癌細胞の使用方法
IPC: C12N5/10
Filed: 2002-08-28
Abstract: 薬物スクリーニング戦略は、関心対象の遺伝子以外は同質遺伝子性である細胞を基にしている。各細胞は、細胞増殖をモニタリングするために、示差的に検出することができる異なる蛍光タンパク質をコードするベクターでトランスフェクションすることができる。両細胞の共培養により、関心対象の遺伝子に対して選択的毒性を有する化合物についてのスクリーニングを促進することができる。本薬物スクリーニングは、癌発生を担う特定の遺伝子変化に対して標的化された治療薬の探索に広く適用可能である。
Patent JP-2005504701-A (JP)
Title: アルミニウム酸化物粉体
IPC: C01F7/30
Filed: 2002-10-01
Abstract: デルタ−Ａｌ 2 Ｏ 3 及びシータ−Ａｌ 2 Ｏ 3 で構成されるグループから選択された結晶性アルミニウム酸化物を含む粒子の集合体について説明される。この粒子は、約１００ｎｍ未満の平均直径を有する。この粒子は、一般に、相応の大きさのＢＥＴ表面積を有する。特定の実施形態において、この粒子集合体は、非常に均一である。一部の実施形態において、粒子の集合体は、平均直径が５００ｎｍ未満のドープアルミニウム酸化物粒子を含む。この粒子の集合体は、コーティングとして堆積させることができる。望ましいアルミニウム酸化物粒子を製造する方法について説明される。
Patent JP-2005505350-A (JP)
Title: 多糖類を含むウィングを備える吸収性物品
IPC: A61F13/56
Filed: 2002-09-27
Abstract: 本発明は、吸収性物品、より詳細には衛生ナプキン及びパンティライナーに関し、これらは、ゲル形成性多糖類、好ましくはキトサン物質を含むサイドパネル、いわゆるウィングを備えることによって、改善された保護及び快適性を着用者に提供する。
Patent JP-2005507813-A (JP)
Title: 柔軟な流体封入容器の端部とその製造方法
IPC: B65D33/38
Filed: 2002-10-24
Abstract: 大量の流体、特に新鮮な水、を輸送及び封入するための布で製造された柔軟な流体封入容器であって、その容器は先細りの前部及び／又は後部を有する。その前後部上に、その前後部を密封するクランプ機構（３０）の形で端部が取付けられる。
Patent JP-2005507742-A (JP)
Title: 眼内レンズ
IPC: A61L27/00
Filed: 2002-10-24
Abstract: 後部水晶体嚢白濁化（すなわち、後発性白内障）を防止するための眼内レンズは、レンズ光学系の光学軸に関して互いに半径方向に間隔を空けて存在する少なくとも２つの鋭い端部を周辺部に備えられる光学系を備える。この眼内レンズは、詳細には、以下：ａ）レンズ光学系であって、該レンズ光学系は、対向する前部表面および後部表面を有し、該前部表面および後部表面は、光学系周辺部によって規定され、該レンズ光学系は、該レンズ光学系を通って延長する光学軸をさらに有する、レンズ光学系；ならびにｂ）該光学系周辺部に形成される少なくとも２つの連続する鋭い端部であって、ここで、該第２の鋭い端部は、該光学軸に関して、該第１の鋭い端部の半径方向外側に位置する、少なくとも２つの連続する鋭い端部、を備える。
Patent JP-2005510065-A (JP)
IPC: H01L27/30
Filed: 2002-11-02
Abstract: Disclosed is a solar cell having at least one photovoltaic layer made of an organic material, in particular a polymer material, which absorbs light and in which electron-hole pairs can be produced, said solar cell having two opposite layer surfaces of which one is connected with at least one hole-receiving layer produced inside said photovoltaic layer and the other is connected with at least one electron-receiving layer produced inside said photovoltaic layer, as well as having electrode areas En and Ep, of which one said electrode area is electrically contacted to said hole-receiving layer and the other said electrode area is electrically connected to said electron receiving layer.
Patent JP-2005510159-A (JP)
Title: ビデオプリミティブを利用する監視テレビ装置
IPC: G06T7/20
Filed: 2002-07-17
Abstract: 監視テレビ装置がセットアップされ（２１），校正され（２２），仕事を課され（２３）及び操作される（２４）。該装置はビデオプリミティブ（４２）を抽出し，イベント弁別器を使用してビデオプリミティブからイベント発生（４４）を抽出する。装置は抽出したイベント発生に基づき警報などの応答（４５）を引き受けることができる。
Patent JP-2005510233-A (JP)
IPC: C12Q1/68
Filed: 2002-11-27
Abstract: The invention relates to methods for isolating and/or identifying nucleic acids. The invention also provides kits for isolating and/or identifying nucleic acids.
Patent JP-2005514253-A (JP)
IPC: F25B40/00
Filed: 2003-01-13
Abstract: The heating-cooling circuit for motor vehicle air conditioning has an evaporator (14) for cooling air to be fed into an interior space and  a heat exchanger (16) for heating the air to be fed into the interior space. An external heat exchanger (22) has a compressor for transporting coolant and expanders (28,30) connected to the evaporator and heat exchanger.
Patent JP-2005517069-A (JP)
IPC: C08L33/06
Filed: 2003-01-14
Abstract: The invention relates to impact-resistant moulding materials comprising poly(meth)acrylate and at least one silicon rubber graft polymer comprising between 0.05 and 95 wt. %, in relation to the total weight of the copolymer, of a core a) consisting of an organosilicon polymer of general formula (R2SiO2/2)x (RSiO3/2)Y (SiO4/2)x wherein x=between 0 and 99.5 mole %, y=between 0.5 and 100 mole %, z=between 0 and 50 mole %, and R represents alkyl or alkenyl radicals comprising between 1 and 6 C atoms and being the same or different, aryl radicals or substituted hydrocarbon radicals; between 0 and 94.5 wt. %, in relation to the total weight of the copolymer, of a polydialkylsiloxane layer b); between 5 and 95 wt. %, in relation to the total weight of the copolymer, of an envelope c) consisting of organic polymers. The invention is characterised in that the core a) comprises vinyl groups, and the envelope c) can be obtained by radical polymerisation of a mixture containing acrylic acid esters and methacrylates.
Patent JP-2005517894-A (JP)
Title: ヒートパイプ
IPC: F28D15/04
Filed: 2002-09-13
Abstract: 真空下で内部に作動流体を有するヒートパイプ組立体であって、通常、作動流体を蒸発させるのに適合させた蒸発部(12/112)および凝縮部(16/116)を具える。凝縮部(16/116)は液化した作動流体を収集するために、蒸発部(12/112)よりも高い位置に配置したリザーバ(30/130)を有する。個々に分離した不浸透性の液体戻り流路(36/136,20/120)は、リザーバ(30/130)から蒸発部(12/112)への液化した作動流体の重力による流れを許容する。液体戻り流路は蒸発部(12/112)を通して延在し、該蒸発部の閉鎖した先端部近傍で終端し、また戻り流路には凝縮部(16/116)へと上昇する蒸気を散逸させる排出路(38/138)が嵌め込まれている。流れ変更部材(24/124)が蒸発部(12/112)内部に配置され、この流れ変更部材は蒸発部内の作動流体に旋回を生じさせ、それによって流れ変更部材(24/124)は蒸発部(12/112)の内壁を液体で覆うことを確実にするために、気化していない作動流体を気化した作動流体と共に前記蒸発部の内壁に対して遠心力によって押し付け、それにより膜沸騰の開始を遅らせる。
Patent JP-2005532269-A (JP)
IPC: A61P35/00
Filed: 2003-02-28
Abstract: Method for inducing cell differentiation in mammals, including humans, comprises administering a peptide derivative (I). Method for inducing cell differentiation in mammals, including humans, comprises administering a peptide derivative of formula (I). [Image] R 11-3C hydrocarbyl substituted with NH 2, acylamino, 1-5C amido or COOH (optionally esterified); 1-3C hydrocarbyl substituted with a NH 2 or acylamino group and with a COOH group that may form a 5- or 6-membered cyclic imide with the N-terminal amino group or with the NH group of CO(NH) k; 1-3C hydrocarbyl substituted with a 5- or 6-membered unsaturated heterocyclic group and optionally a NH 2 or acylamino group; or an unsaturated heterocyclic group; R 2H or COOH (optionally esterified); R 3NH 2, COOH (optionally esterified) or a 5- to 6-membered (un)saturated cyclic or heterocyclic group; n : 0-4; m : 1-4; and k : 0 or 1. ACTIVITY : Cytostatic. Nude mice with transplanted M6 human melanomas were treated with 4-(N-(2-(4-imidazolyl)ethyl)carbamoyl)butyric acid by gavage at a daily dose of 1 mg/kg. After 48 hours, the proportion of tumor cells with melanosomes was 227/500 and the mean number of melanosomes per cell was 42. Control values were 159 and 26. MECHANISM OF ACTION : Cell Differentiation Inducer.
Patent JP-2005520066-A (JP)
IPC: D03D15/56
Filed: 2003-03-11
Abstract: A reversible, heat-set covered fiber is described, the covered fiber comprising: A. A core comprising an elastic fiber comprising a substantially crosslinked, temperature-stable, olefin polymer, and B. A cover comprising an inelastic fiber. The fiber is heat-set by a method comprising: (a) Stretching the covered fiber by applying a stretching force to the covered fiber; (b) Heating the stretched covered fiber of (a) to a temperature in excess of the crystalline melting point of the olefin polymer for a period of time sufficient to at least partially melt the olefin polymer; (c) Cooling the stretched and heated covered fiber of (b) to a temperature below the crystalline melting point of the olefin polymer for a period of time sufficient to solidify the polymer; and (d) Removing the stretching force from the covered fiber.
Patent JP-2005529102-A (JP)
IPC: A61M11/00
Filed: 2003-04-01
Abstract: A pharmaceutical aerosol formulation comprising particles of formoterol or a pharmaceutically acceptable salt, solvate or physiologically functional derivative thereof, said particles being suspended in the formulation; a compound of the formula (I), in which: R<SUB>1 </SUB>is 1-butyl, 2-butyl, cyclohexyl or phenyl and R<SUB>2 </SUB>is acetyl or isobutanoyl, said compound of formula (I) being dissolved in the formulation; and a propellant selected from 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane and a mixture thereof.
Patent JP-2005523508-A (JP)
IPC: H04L29/06
Filed: 2003-04-16
Abstract: The present invention relates to a device and method for increasing the security for a computer or server adapted for communication with a communication network, for example the Internet. The method for automatically controlling access between the computer and the communication network arranges the access to be dependent on user activity. The user activity is determined by monitoring signal activity between the computer and at least one input/output device adapted for communication with the computer, and the user activity being defined as detection of signal activity between the computer and the input/output device. Access to the communication network is only allowed if user activity is occurring or has occurred in a predetermined time period.
Patent JP-2005529885-A (JP)
IPC: A61K38/08
Filed: 2003-04-25
Abstract: The invention provides compositions and methods for treating pulmonary conditions and for reducing the negative effects of pulmonary inflammation. Such compositions and methods employ protease inhibitors and a lung surfactant mixture. The compositions and methods can also include lipase inhibitors (e.g. a phospholipase inhibitors) and anti-oxidants.
Patent JP-2005194081-A (JP)
Title: Sheet feeding device
Inventor: KITAZAWA YOSHIYUKI
IPC: B65H3/06
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheet feeding device of low-cost construction capable of certainly preventing a double feed of paper sheets.  <P>SOLUTION: The sheet feeding device is equipped with a sheet feed tray 21 to accommodate sheets P, a pickup roll 22 to pick up the sheets P, a sheet separation part 23 to send only one of the picked-up sheets to the downstream and push back the following sheets to the upstream when two or more sheets are picked up at one time, and a sheet send-out part 24 to receive the sheets P fed to the downstream by the separation part 23 and send them further to downstream, wherein at the time of sending out each sheet from inside the feed tray 21, the pickup roll 22 contacts with and separates from the sheets in the feed tray 21 at two timings, the first timing at which the sheet in the feed tray 21 is picked up and the second immediately before the trailing edge of the sheet handed over from the separation part 23 to the send-out part 24 separates from the separation part 23.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004173301-A (JP)
Title: Image printing device and method therefor
Inventor: ARIMOTO YUKIRO
IPC: H04N5/222
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image printing device and method that eliminates the latency time of a user.  <P>SOLUTION: In time T1, a user 4 performs film processing in a filming space 2. Then, in an editing space 1, a subsequent user 5 performs film processing. In time T2, the user 4, who has finished filming in the filming space 2 in time T1, performs the editing processing of the first image in an editing space 1. In a filming space 1, the user 5 moves to the filming space 2 and performs film processing. Consequently, the image printing device is provided with two filming spaces and allows users to move in the order of the filming space 1 and the filming space 2 and play games. Moreover, it is provided with two filming spaces, and sets lighting and the angle of a camera for the private use of the filming of the whole body and a face (or the upper half of the body).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005203176-A (JP)
Title: Control method of induction heating inverter
Inventor: KADOGAKI TAKANOBU
IPC: H05B6/12
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control method of an induction heating inverter composed of a direct current power source, an inverter main circuit formed by bridging a self arc-extinction type element and a reversed parallel circuit of diodes, a resonance circuit composed of a heating coil and a resonance capacitor, and a control circuit controlling the inverter main circuit.  <P>SOLUTION: The induction heating inverter is equipped with an electric power arithmetic unit 31, a γ-angle measuring circuit or the like as a control circuit 30 replacing a conventional control circuit 10. The electric power arithmetic unit 31 finds an arithmetic value of a heating power of a pot 21 by a detected value of a direct current voltage detector 6, a detected value of an alternating current voltage detector 8, and a γ-angle obtained at a γ-angle measuring circuit 32. By controlling the induction heating inverter depending on the arithmetic value, the conventional direct current detector is omitted to reduce a total size of the device and save cost.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005202122-A (JP)
Title: Image forming apparatus
Inventor: KURIBAYASHI IKUO
IPC: G03G15/16
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which even an intermediate transfer member having rubber elasticity can be very effectively cleaned.  <P>SOLUTION: The image forming apparatus comprises: image forming stations (image forming sections) Pa-Pd provided with traveling photosensitive drums (image carriers) 1a-1d and developing units (developing devices) 23a-23d which supply toners to surfaces of the photosensitive drums 1a-1d; an intermediate transfer belt (intermediate transfer member) 81 onto which toner images formed in the image forming stations Pa-Pd are transferred and compositzed; and a cleaning means to remove residual toners on the intermediate transfer belt 81 after transferring a toner image composited on the intermediate transfer belt 81 onto a recording material P. The intermediate transfer belt 81 includes a rubber elasticity layer, the cleaning means comprises a rotatable fur brush (brushy member) 20A, and vibration of ≥20 Hz is applied to the fur brush 20A.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005203236-A (JP)
Title: Operation characteristic detecting method and operation characteristic detecting device of fuel cell
Inventor: SAKAI OSAMU
IPC: H01M8/10
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a detecting method detecting an operation characteristic of a cell in a condition near to the condition of the unit cell in a stack.  <P>SOLUTION: The detection method has a step (a) changing over the exhaust/non-exhaust of fuel gas from a downstream end of a fuel gas main passage 3A' according to the pressure of the fuel gas circulating an upstream end of a fuel gas tributary passage 12 in a load state taking out current of the cell 20, a step (b) changing over the exhaust/non-exhaust of oxidant gas from the downstream end of an oxidant gas main passage 5A' according to the pressure of the oxidant gas circulating the upstream end of an oxidant gas tributary passage 11 in a load state, and a step (c) detecting an operation characteristic of the cell 20 based on the change over of the exhaust/non-exhaust of the fuel gas or the oxidant gas in steps (a) and (b).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201557-A (JP)
Title: Ventilator
Inventor: TAYA HITOSHI
IPC: F24F7/007
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ventilator capable of obtaining the optimum air volume required in continuous ventilation.  <P>SOLUTION: This ventilator comprises a fan motor for exhaust ventilation 2 to forcibly ventilate the indoor air, a human body sensor 4 for detecting the presence of a man, a control means 6 for controlling the fan motor for exhaust ventilation 2 by receiving a signal from the man sensor 4, and an air volume adjusting means for adjusting the ventilation air volume by the fan motor for exhaust ventilation 2. The control means 6 operates the fan motor for exhaust ventilation with a fixed air volume for a specific time when it detects the signal from the human body sensor 4, and continuously operates the fan motor for exhaust ventilation 2 with the ventilation air volume adjusted by the air volume adjusting means 5 when it does not detect the signal, and the ventilation air volume in the continuous operation can be finely adjusted in single step or multiple steps by the air volume adjusting means 5, whereby the optimum air volume required in continuous ventilation can be achieved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209395-A (JP)
Title: Nonaqueous electrolytic solution secondary battery
Inventor: SAKURAI KATSUYUKI
IPC: H01M10/0566
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolytic solution secondary battery capable of quickly breaking a current responding to the temperature increase accompanied by an abnormal current like overcharge or short-circuit, by substantially mounting a PTC element inside an electrode group.  <P>SOLUTION: The nonaqueous electrolytic solution secondary battery houses the electrode group composed of an anode, a cathode, and a separator together with nonaqueous electrolytic solution. Electrode connection tabs 9 are connected to current collectors 6 of the anode and the cathode respectively, and the electrode connection tab at one side is connected to the current collector through the ribbon-shaped PTC element 10.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208767-A (JP)
Title: Job management system, job management method and job management program
Inventor: KITAGAWA MASAYA
IPC: G06F9/46
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To preform proper job exchange fit for a job execution situation, and to reduce a burden on an operator accompanying program exchange work.  <P>SOLUTION: This system 100 comprises: a job schedule storage part 24; a job result history storage part 26 storing a history of an execution time of a job program; a program exchange rule storage part 27 storing information whether the exchange of the job program is necessary or not; an exchange necessity decision part 28 deciding whether the job program is an exchange target job program or not; a time calculation part 30 calculating an execution average time or the like of the execution time of the exchange job program; a time width calculation part 29 calculating a time width between execution completion time of the exchange target job program and the next start time of the exchange target job program in a start schedule; and an exchange execution part 31 deciding whether the execution average time or a maximum time is stored in the time width or not, and starting the exchange job program after execution completion of the exchange target program when it is stored.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208274-A (JP)
Title: Autofocusing camera
Inventor: WATANABE TOSHIMI
IPC: H04N5/232
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an autofocusing camera capable of preventing false focusing which is caused by a high contrast object located outside a focus area.  <P>SOLUTION: The camera calculates an integration value (focus evaluation value) through an imaging signal obtained by eliminating a low frequency component from the imaging signal in accordance with a plurality of lens positions while moving a focus lens from a closest-distance end to an infinity end and obtains a focus evaluation value hysteresis. Such a focus evaluation value hysteresis can be obtained according to each of the focus area A1a and authenticity decision area A1b. The authenticity decision area A1b completely includes the focus area A1a and is disposed more widely than the focus area A1a. The camera decides whether the maximum position of the focus evaluation value hysteresis according to the focus area A1a coincides with the maximum position of the focus evaluation value hysteresis according to the authenticity decision area A1b. The camera calculates the focusing lens position when both of the optimum positions coincide with each other and does not calculate the focusing lens position when both of the optimum positions do not coincide with each other.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005207879-A (JP)
Title: Combustible gas detector
Inventor: KIZAKI SHOJI
IPC: G01N27/18
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combustible gas detector which comprises two gas sensors for a low concentration range and a high concentration range, and enables to accurately detect a concentration of a combustible gas even when the combustible gas concentration is in the low concentration range and the oxygen concentration is insufficient.  <P>SOLUTION: The combustible gas detector comprises the first gas sensor and the second gas sensor whose detection target is combustible gases, and a sensor selection mechanism which selects one of the sensors to be activated. The first gas sensor comprises a catalytic combustion type gas sensor. The sensor selection mechanism is characterized by having a function which selects the second gas sensor to be activated when the oxygen concentration is lower than a predetermined reference level regardless of the combustible gas concentration, and a function which selects the first gas sensor to be activated when the combustible gas concentration is lower than a setting level, and selects the second gas sensor to be activated when the combustible gas concentration is not less than the setting level, if the oxygen concentration is not less than the predetermined reference level.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208471-A (JP)
Title: Stroboscopic device and electronic camera
Inventor: SUMIZAKI KATSUSHI
IPC: G03B7/16
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To perform light emission at an appropriate amount of light emission by controlling lighting of a flash discharge tube while suppressing the electric power consumption of a stroboscopic device.  <P>SOLUTION: The stroboscopic device is equipped with the flash discharge tube 2, a light emitting element 3 which is lower in electric power consumption as compared with that of the flash discharge tube 2, a photometric means 6 which meters the reflected light reflected from a subject by the light emission of the light emitting element 3, and a controller 9 which controls the quantity of the light emitted by the flash discharge tube 2 based on the intensity of the received light metered by the photometric means 6. The intensity of the received light of the reflected light is metered by the time till the reflected light attains the prescribed value.  <P>COPYRIGHT: (C)2005,JPO&NCIPI