baber/WOPTO huggingface dataset:
Patent JP-2022113867-A (JP)
Title: Program and information processing device
IPC: A63F13/69
Filed: 2022-06-16
Abstract: PROBLEM TO BE SOLVED: To prevent, in the case that an effect reaching another character is applied in a previous event, a difference due to the effect from occurring between respective player characters at timing of participating in an event. 
     SOLUTION: A program causes a computer to execute: a control step of controlling a prescribed event in a game, which is operated respectively by one or more players and executed to a group including respective player characters; a first application step of applying an effect about the prescribed event to at least one or more player characters among respective player characters included in the group on the basis of an operation of an arbitrary player in the one or more players; and a second application step of applying the effect to a new player character participating in the group in the case where the effect is applied. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023184354-A (JP)
Title: レンズユニット
IPC: G02B7/02
Filed: 2022-06-17
Abstract: 【課題】 プラスチックレンズを偏芯調整する場合において、調整位置からの位置ずれを低減できるレンズユニットを提供する。【解決手段】 プラスチックからなるレンズを光軸方向で位置決めする受け面と平行に移動調整された後の前記レンズを固定して保持するレンズユニットであって、前記受け面を有し、前記レンズを保持するレンズホルダと、前記レンズホルダに対して固定される押さえ部材と、前記押さえ部材と前記レンズの間に配置され、前記レンズを前記レンズホルダに対して押圧する弾性部材と、を備え、前記押さえ部材は、前記レンズの外周面を押圧して前記レンズを前記受け面と平行に移動調整するための工具が挿通される開口部を有し、前記レンズは、前記押さえ部材および前記弾性部材により位置が固定されることを特徴とするレンズユニット。【選択図】 図３
Patent JP-2024001502-A (JP)
Title: 駆動伝達装置、ユニット、駆動装置及び画像形成装置
IPC: G03G21/16
Filed: 2022-06-22
Abstract: 【課題】装置のコストアップを抑制し、かつ、軸反力を良好に抑制できる駆動伝達装置、ユニット、駆動装置及び画像形成装置を提供する。【解決手段】第二連結部材たる第二カップリングに接続される第一連結部材たる第一カップリング１６１は、第一回転軸たるスクリュー駆動軸が挿入される軸挿入部１６１ａと、回転方向に間隔をあけて設けられ、軸方向に直交する面部たる土台部１６１ｄから軸方向に延びる複数の駆動爪部１６１ｃたる延出部とを有している。軸挿入部１６１ａには、スクリュー駆動軸の軸端部たる一端部に挿入されたピンたる第二平行ピンに対係合する係合孔たるピン係合孔１６１ｆを有している。このピン係合孔１６１ｆの軸方向長さが、第二平行ピンの外径の２倍以下となっている。そして、土台部１６１ｄの断面形状が、軸中心に向かうに連れて、第二回転軸側に位置するようなテーパ形状となっている。【選択図】図１１
Patent JP-2024001778-A (JP)
Title: 制御装置、制御方法、量子測定システムおよびプログラム
IPC: G06N10/70
Filed: 2022-06-22
Abstract: 【課題】量子エラー抑制の性能を向上させる。【解決手段】抑制の対象となる量子エラーの影響を受けた量子状態を含む複数の量子状態を算出する量子状態算出部と、前記複数の量子状態に関連した半正定値演算子によって定義された、部分空間上でのハミルトニアンを表す行列および前記部分空間の重なり行列を、前記半正定値演算子を恒等演算子または前記量子エラーの影響を受けた量子状態として測定する量子測定制御部と、前記ハミルトニアンを表す一般化固有方程式の固有値として、前記量子エラーが抑制された前記ハミルトニアンの固有エネルギーを算出するエラー抑制計算部と、算出された前記ハミルトニアンの固有エネルギーに基づいて、量子測定の対象の物理量から、前記物理量の期待値を算出する量子エラー抑制部と、を備える制御装置である。【選択図】図５
Patent JP-2024001795-A (JP)
Title: リアクトル、分割片、コンバータ、及び電力変換装置
IPC: H01F37/00
Filed: 2022-06-22
Abstract: 【課題】鉄損の増大及び漏れ磁束の増大を抑制できる磁性コアを備えるリアクトルを提供する。【解決手段】巻回部を有するコイルと磁性コアとを備えるリアクトルであって、前記磁性コアは、第一コア片を含む複数の分割片を有し、前記第一コア片は、樹脂と、前記樹脂中に分散した軟磁性粉末とを含む複合材料によって構成されており、前記巻回部の軸線方向に直交する方向に延び、前記巻回部の端面に臨む位置に配置されている第一部分と、前記第一部分から前記軸線方向に延びる第二部分と、を備え、前記第一部分と前記第二部分とはつなぎ目なく、一連に形成されており、前記第一部分の延伸方向に沿った磁束に対する前記第一部分の第一比透磁率と、前記第二部分の延伸方向に沿った磁束に対する前記第二部分の第二比透磁率とが異なる、リアクトル。【選択図】図１
Patent JP-2024003529-A (JP)
Title: 建築物
IPC: E04H1/02
Filed: 2022-06-27
Abstract: 【課題】ペットと同じ居室に滞在しつつ、ペットが自由に移動できる領域を限定する。【解決手段】建築物１００は、界壁１１によって区画された複数の部屋１０を有する。部屋１０のうち少なくとも一部は、居室１７を備える。居室１７は、床面より高く天井より低い高さの仕切部材によって区画された第１領域４１オおよび第２領域４２を有する。第１領域４１の床材は非吸水性の部材である。第２領域の床材は吸水性の部材である。仕切部材２７は第１領域に開口するケージ３９を有する。【選択図】図１
Patent JP-2024003637-A (JP)
Title: 自律移動ロボット制御システム、自律移動ロボット制御方法、及び自律移動ロボット制御プログラム
IPC: G05D1/43
Filed: 2022-06-27
Abstract: 【課題】自律移動ロボットの移動範囲内の日照条件に起因して当該自律移動ロボットが備えるセンサ装置の検知誤差が大きくなるのを抑制することができる自律移動ロボット制御システムを提供する。 
【解決手段】自律移動ロボット制御システム１Ａであって、上位管理装置１０と、自律移動ロボット２０と、を備え、前記上位管理装置は、前記自律移動ロボットの移動範囲内の日照条件に対応する日照条件データを収集するデータ収集部１６と、前記日照条件データに基づいて、前記日照条件データに対応する日照条件の影響が少なくなる最適パラメータを算出するパラメータ算出部１７と、を備え、前記自律移動ロボットは、前記最適パラメータを設定するパラメータ設定部４０と、を備え、前記パラメータ設定部により設定された前記最適パラメータに基づいて所定動作を実行する。 
【選択図】図７
Patent JP-2022136088-A (JP)
Title: Surface protective film and optical member having protective film
IPC: H05B33/04
Filed: 2022-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a surface protective film not hindering an optical inspection, excellent in water-vapor resistance and easy to remove from an adherend. 
     SOLUTION: A surface protective film (10) includes an adhesive layer (2) fixed and laminated on one principal surface of a film base material (1). An anti-static layer is provided on the other principal surface of the film base material (1). A front face retardation of the film base material (1) is 100 nm or less. In the surface protective film (10), water vapor permeability is 300 g/m 2  24h or less at temperature 60°C and relative humidity 90%, and a 180° peel force at a pulling speed 30 m/min is 1.03 N/25 mm or less with regard to an acrylic sheet. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2024005237-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-06-30
Abstract: 【課題】演出の興趣性を向上させることが可能な遊技機を提供する。【解決手段】遊技機は、演出役物を動作させる役物演出を実行可能であり、前記役物演出が行われる場合に、前記演出役物を強調する強調画像を表示可能であり、操作手段の操作に関する特定報知を実行可能であり、前記特定報知が実行されているときに前記役物演出を実行する場合、前記特定報知を前記強調画像よりも優先的に表示させる一方で前記演出役物を動作させることが可能である。【選択図】図２２
Patent JP-2023012443-A (JP)
Title: humidifier
Inventor: Sven alexander kaiser
IPC: B01D53/22
Filed: 2022-07-11
Abstract: To provide a humidifier including a housing and a membrane stack.SOLUTION: A membrane stack (2) has air-permeable two first side surfaces (4a and 4b), air-permeable two second side surfaces (5a), and two third airtight side surfaces (6a, 6b). A humidifier (1) has a sealing arrangement (3) having two sealing frames (11a, 11b) for the respective first side surface (4a, 4b). The respective sealing frame (11a, 11b) has a contact area (12) and a retaining edge (13). The contact area is supported by the area of the respective first flow surface (4a, 4b), and the retaining edge (13) is arranged to face the membrane stack (2). A circumferential groove (14b) is formed between the retaining edge (13) and the membrane stack (2). The groove (14b) is filled with an adhesive, so that the respective sealing frame (11a, 11b) is air-tightly bonded to the membrane stack (2).SELECTED DRAWING: Figure 1
Patent JP-2024011174-A (JP)
Title: 防食コンクリート柱及びライニングの施工方法
IPC: E04C3/34
Filed: 2022-07-14
Abstract: 【課題】低コストで入手でき、耐久性に優れた防食コンクリート柱及びライニングの施工方法を提供する。【解決手段】防食コンクリート柱は、コンクリート柱本体と、コンクリート柱本体の表面に定着されたポリウレア樹脂の層を含むライニングと、を備える。ポリウレア樹脂の層の厚さは、少なくとも１ｍｍ以上であってもよい。ライニングは、コンクリート柱本体の表面に塗布された下塗り層と、下塗り層の上に塗布されたポリウレア樹脂からなる中塗り層と、中塗り層の上に塗布された上塗り層と、を備えてもよい。【選択図】図２
Patent JP-2022132562-A (JP)
Title: Data transfer technique for multiple devices on shared bus
IPC: G06F13/38
Filed: 2022-07-21
Abstract: PROBLEM TO BE SOLVED: To improve efficiency of a memory controller and efficiency of data transfer between different memories. 
     SOLUTION: A method includes: setting an address in a target memory for storing data received in the target memory; and transmitting, at least partially based on setting the address in the target memory, one command sequence for storing the data from a source memory on the target memory, to both source memory and target memory, the one command sequence instructing a first operation in the source memory and a second operation in the target memory. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022136175-A (JP)
Title: game machine
IPC: A63F7/02
Filed: 2022-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a game machine which can easily regulate fraudulent entry of game balls into a ball entry port. 
     SOLUTION: When a pair of wing members 520L, 520R are in a closed state, a standing part 532c1 is arranged on a ball feeding passage of game balls inside a second winning port 140 formed between the pair of wing members 520L, 520. When the pair of wing members 520L, 520R in the closed state are released from outside, it is possible to maintain the state the standing part 532c1 is arranged on the ball feeding passage. Thus, entry of game balls into the second winning port 140 can be regulated when the pair of wing members 520L, 520R are fraudulently opened. As a result, it is possible to easily regulate fraudulent entry of game balls into the second winning port 140. 
     SELECTED DRAWING: Figure 20 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023026346-A (JP)
Title: Rim system and configuration comprising rim system
Inventor: KLAUS WOHLFARTH
IPC: B60B3/04
Filed: 2022-08-01
Abstract: To improve a rim system and a configuration comprising the rim system.SOLUTION: Provided is a rim system comprising a rim, an adapter disc for mounting on a wheel hub of a vehicle, a plurality of wheel screws or a plurality of wheel nuts for fastening the rim to the adapter disc, a plurality of screws or a plurality of nuts for fastening the adapter disc to the wheel hub, and a wheel hub centering ring for centering the adapter disk relative to the wheel hub, in which a rim centering ring is provided for centering the rim relative to the adapter disc.SELECTED DRAWING: Figure 1
Patent JP-2023033194-A (JP)
Title: Compositions for forming polyamide-imide films, polyamide-imide films, manufacturing methods thereof, and applications thereof
Inventor: YUN CHEOL MIN
IPC: C08J5/18
Filed: 2022-08-24
Abstract: To provide: polyamide-imide films which have excellent visibility without degradation of colorless and transparent optical properties and without optical irregularities, have excellent heat resistance, and have excellent bending properties due to flexibility; compositions for forming polyamide-imide films; and manufacturing methods thereof.SOLUTION: The invention provides polyamide-imide films produced from compositions containing 2,2'-bis(trifluoromethyl)-benzidine, a dianhydride with a fluorene structure, and terephthaloyl dichloride and/or isophthaloyl dichloride.SELECTED DRAWING: None
Patent JP-2022174255-A (JP)
Title: Scalable systems for controlling color management including varying levels of metadata
IPC: H04N21/84
Filed: 2022-09-16
Abstract: PROBLEM TO BE SOLVED: To provide video quality improved in fidelity of images. 
     SOLUTION: Several embodiments of scalable image processing systems and methods are disclosed herein, and thereby color management processing of source image data to be displayed on a target display (236) is changed according to varying levels of metadata (204). 
     SELECTED DRAWING: Figure 2A 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022176237-A (JP)
Title: Nitride semiconductor light-emitting element, method for manufacturing nitride semiconductor light-emitting element, and nitride semiconductor light-emitting device
IPC: H01S5/343
Filed: 2022-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a nitride semiconductor light-emitting element and the like that enable mass production of the nitride semiconductor light-emitting element. 
     SOLUTION: A nitride semiconductor light-emitting element 101 includes: a first side surface 110a; a second side surface 110b; a third side surface 110c; a fourth side surface 110d; a first trench 111 formed between the second side surface 110b and a waveguide 201; a second trench 112 formed between the first side surface 110a and the waveguide 201; a first recess 121 formed near an intersection between the first side surface 110a and the third side surface 110c; a second recess 122 formed near an intersection between the first side surface 110a and the fourth side surface 110d; a first depressed portion 113b1 which is depressed so as to retreat from the first side surface 110a; and a second depressed portion 113b1 which is depressed so as to retreat from the second side surface 110b. The third side surface 110c and the fourth side surface 110d are cleavage surfaces and the second trench 112 is coupled to the first recess 121 and the second recess 122. 
     SELECTED DRAWING: Figure 3 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023057036-A (JP)
Title: Device and method for processing medical image
Inventor: YAN LIXIN
IPC: A61B5/00
Filed: 2022-09-21
Abstract: To improve accuracy for quantitatively analyzing a medical image.SOLUTION: A device for processing a medical image includes generation means, display means and differentiation means. The generation means generates a first feature representing an image feature from a medical image including a region of interest. The display means displays the first feature. The differentiation means differentiates the region of interest of the medical image on the basis of the first feature and outputs a differentiation result relating to the region of interest.SELECTED DRAWING: Figure 1
Patent JP-2023138267-A (JP)
Title: Information processing method, information processing device and program
Inventor: ISHINO SATOSHI
IPC: H04L51/07
Filed: 2022-10-11
Abstract: To provide an information processing method, an information processing device and a program for effectively distributing advertisement.SOLUTION: An information processing method to be executed by an information processing system includes selection processing for analyzing a dynamic image of an object person photographed by a user and selecting advertisement optimal to the object person on the basis of an analysis result, and distribution processing for distributing the selected advertisement to a destination selected by the user. The user is a person who photographs a dynamic image of the object person. The dynamic image includes a moving image and images. The object person is an arbitrary person whose dynamic image is photographed by the user. The object person is, for example, a customer of an advertised commodity, but is not limited by the consumer. The destination is an arbitrary person different from the object person. The destination is, for example, a purchaser of the advertised commodity, but is not limited by the purchaser. The advertisement is advertisement targeting arbitrary consumer goods or service.SELECTED DRAWING: Figure 8
Patent JP-2023012480-A (JP)
Title: Apparatus and method for electroencephalographic measurement
IPC: A61B5/374
Filed: 2022-10-14
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus capable of revealing effectively how orderly the examined brain functions with respect to a normal brain, with the measured phase-to-phase, phase-to-amplitude and/or amplitude-to-phase coupling information of EEG signals. 
     SOLUTION: An apparatus comprises a data processing unit, which causes the apparatus to: receive at least two electroencephalographic signals of a brain of a person; form first information about at least one of the phase-to-phase coupling between the at least two electroencephalographic signals, phase-to-amplitude coupling between the at least two electroencephalographic signals and amplitude-to-phase coupling between the at least two electroencephalographic signals, the first information being related to slow waves having frequencies at or lower than 1 Hz; normalize the first information; and output information about the normalized first information. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023016830-A (JP)
Title: Spring member and connection terminal structure
IPC: H01L23/40
Filed: 2022-11-10
Abstract: PROBLEM TO BE SOLVED: To stably exert characteristics such as electric conductivity and heat conductivity as designed. 
     SOLUTION: A spring member for pressing a first body to be pressed and a second body to be pressed, which are opposite to each other in a first direction, in a direction separating from each other in the first direction includes a first member and a second member. The first member is formed of a material of which at least one of the electric conductivity and heat conductivity is higher than that of a material forming the second member while the second member is formed of a material of which Young's modulus is higher than that of the material forming the first member. The first member has: both end parts in a second direction orthogonal to the first direction which abut on the first body to be pressed; and an intermediate part in the second direction which abuts on the second body to be pressed. The second member has: both end parts in the second direction which press the first body to be pressed via both end parts of the first member in the second direction; and an intermediate part in the second direction which presses the second body to be pressed via the intermediate part of the first member in the second direction. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023022092-A (JP)
Title: Method for determining toxicity of immunomodulator for use in humans
IPC: G01N33/68
Filed: 2022-11-15
Abstract: PROBLEM TO BE SOLVED: To provide a humanized mouse model and method for determining whether administration of an immunomodulator can induce severe cytokine release syndrome in humans. 
     SOLUTION: Provided are a humanized mouse model and method for determining the immunotoxicity of drug candidates or drug combinations in humans. The present invention provides a method for determining whether an immunomodulator can induce severe cytokine release syndrome in humans after administration of the immunomodulator. In another example embodiment, provided is a method for determining whether a combination of a first immunomodulator and a second immunomodulator is likely to induce severe cytokine release syndrome in humans after administration of the combination of immunomodulators. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023097360-A (JP)
Title: Substrate processing apparatus, substrate bonding system including the same, and substrate processing method using the same
Inventor: KIM KYUNG MAN
IPC: H01L21/02
Filed: 2022-11-17
Abstract: To provide a substrate processing apparatus, a substrate bonding system including the same, and a substrate processing method using the same.SOLUTION: A technology according to the present invention bonds substrates while ensuring the uniformity of hydroxyl groups (-OH) generated on the upper surfaces of the substrate by adjusting the ratio of the substrate center and the substrate edge to process gas, control gas, and carrier gas during plasma processing for hybrid bonding to bond two substrates.SELECTED DRAWING: Figure 5
Patent JP-2023025706-A (JP)
Title: Substrate processing device, method for manufacturing semiconductor device, substrate processing method, and program
IPC: H01L21/31
Filed: 2022-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a substrate processing device, a method for manufacturing a semiconductor device, a substrate processing method, and a program for improving exhaust efficiency while reducing footprints. 
     SOLUTION: A substrate processing device includes a processing chamber, a first booster pump 38A as an exhaust device for evacuating the processing chamber, an exhaust pipe 34A for communicating the processing chamber and the exhaust device with each other, a piping housing 40A that supports the exhaust pipe, and a damping fastener 90A formed of a damping member such as rubber or resin provided at a connection portion 81A between the piping housing and the exhaust pipe. 
     SELECTED DRAWING: Figure 10 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023025144-A (JP)
Title: Information processing method, and information processing system
IPC: G06Q10/06
Filed: 2022-11-30
Abstract: PROBLEM TO BE SOLVED: To provide an information processing method capable of reducing observation burden on an observer. 
     SOLUTION: The information processing method includes the steps of: acquiring a piece of first information about observing by an observer assigned to observation of a first vehicle by using a computer (S301); acquiring a piece of second information about observing by the observer to whom no observation of a second vehicle is assigned (S302); comparing the first information and the second information (S303); generating a piece of presentation information representing the observation of the second vehicle according to the comparison result (S304); and presenting the generated presentation information via a presentation unit (S305). 
     SELECTED DRAWING: Figure 10 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023036672-A (JP)
Title: Layered particles and processes thereof
IPC: A61K47/22
Filed: 2022-12-09
Abstract: PROBLEM TO BE SOLVED: To provide processes for the preparation of layered particles, and to provide layered particles prepared by such processes. 
     SOLUTION: Provided is a process for preparation of layered particles comprising: (a) forming a first liquid stream; (b) forming a second liquid stream; (c) continuously pumping the first liquid stream into a first port of a multi-port homogenizer, rotor-stator mixer, or microreactor; (d) continuously pumping the second liquid stream into a second port of the multi-port homogenizer, rotor-stator mixer or microreactor; and (e)) mixing the first liquid stream and the second liquid stream inside the homogenizer, rotor-stator mixer or microreactor for an effective period of time to form a layer on the one or more core particles. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023025251-A (JP)
Title: Coding device and method, decoding device and method, and program
IPC: G10L19/008
Filed: 2022-12-12
Abstract: PROBLEM TO BE SOLVED: To enable a sound of higher quality to be obtained. 
     SOLUTION: An audio signal decoding section decodes encoded audio data to acquire an audio signal of each object. A metadata decoding section decodes encoded metadata to acquire a plurality of pieces of metadata about each object in each frame of the audio signal. A gain calculating section calculates VBAP gains of each object in the audio signal for each speaker based on the metadata. An audio signal generating section generates an audio signal to be fed to each speaker by having the audio signal of each object multiplied by a VBAP gain and by adding up the multiplied audio signals. The present technology may be applied to decoding apparatuses. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023108598-A (JP)
Title: Mask blank, mask for transfer, method for producing mask for transfer and method for producing display device
Inventor: TANABE MASARU
IPC: G03F1/32
Filed: 2022-12-13
Abstract: To provide a mask blank which has high light resistance to exposure light including a wavelength in the ultraviolet region and has high chemical resistance and can form a good transfer pattern.SOLUTION: There is provided a mask blank comprising a translucent substrate and a thin film for pattern formation provided on the main surface of the translucent substrate, wherein the thin film contains titanium, silicon and nitrogen, a Ti2p narrow spectrum obtained by analyzing an internal region of the thin film by X-ray photoelectron spectroscopy satisfies the relationship where PN/PT is larger than 1.52 when the photoelectron intensity at the binding energy of 455 eV is defined as PN and the photoelectron intensity at the binding energy of 454 eV is defined as PT and the inner region is a region excluding the near region on the transparent substrate side and a surface region on the opposite side of the transparent substrate of the thin film.SELECTED DRAWING: Figure 1
Patent JP-2023133120-A (JP)
Title: Vehicle lamp fitting
Inventor: MATSUMOTO NAOKO
IPC: F21S45/435
Filed: 2022-12-16
Abstract: To provide a vehicle lamp fitting which enables airflow blown by a fan to circulate efficiently along an inner surface of an outer lens.SOLUTION: A vehicle lamp fitting includes: a lamp body 4 comprising a housing 2 which is open on a front surface and an outer lens 3 which covers an opening of the housing 2; a light source unit 5 which is disposed at the inner side of the lamp body 4 and radiates light forward; and a fan 8 which blows air to cool at least one heating part 7 which heats when the light source unit 5 is turned on; and a duct 9 which causes airflow F blown by the fan 8 to circulate. The airflow F blown by the fan 8 through the duct 9 is circulated along at least an inner surface of the outer lens 3.SELECTED DRAWING: Figure 2