baber/WOPTO huggingface dataset:
Patent JP-2021077370-A (JP)
Title: Summary generation device, summary generation method, and program
Inventor: KATO DAIKI
IPC: G06F16/30
Filed: 2020-11-02
Abstract: To provide a technique for summary generation capable of generating a highly accurate summary.SOLUTION: A summary generation device includes: an acquisition unit for acquiring an original text to be summarized; an original text analysis unit for analyzing the original text to determine an importance degree of a sentence, a phrase or a word; a designation unit for designating a key sentence, a key phrase or a keyword to be a key from the original text; an importance degree adjusting unit for adjusting an importance degree of a sentence, a phrase or a word designated as a key sentence, a key phrase or a keyword among the importance degree of the sentence, the phrase or the word of the original text; and a summary generation unit for generating a summary of the original text using the importance degree of an adjusted sentence, phrase or word.SELECTED DRAWING: Figure 1
Patent JP-2022077044-A (JP)
Title: Diaphragm electrode case and diaphragm electrode structure
Inventor: NAKAJIMA HIRAKAZU
IPC: C25D21/00
Filed: 2020-11-11
Abstract: To provide a single diaphragm electrode structure that can handle two work pieces in a plating tank.SOLUTION: Provided is a diaphragm electrode case 100 comprising: a case body 110, the front and back of which are configured in a symmetrical shape sandwiching an electrode in a vertical direction, including the front- and back-side panels with aperture portions of a housing having a flange part for accommodating the electrode; a diaphragm 130 stacked with the front- and back-side panels of the housing; a pressing frame 140 for adding a pressure onto the diaphragm without closing the aperture portion; an elastic packaging material 120 interposed between the panel and the diaphragm without closing the aperture portion; and a tightening tool 141 for connecting and crimping the case body, the diaphragm, the pressing frame, and the elastic packaging material.SELECTED DRAWING: Figure 3
Patent JP-2022080696-A (JP)
Title: Pile and its construction method and underground structure
Inventor: MAEJIMA TADASHI
IPC: E02D27/12
Filed: 2020-11-18
Abstract: To provide a pile, its construction method, and an underground structure that can solve the problem of dealing with existing piles in the case of constructing a new structure on a site with the existing piles, especially the problem of securing additional space in the case of installing new piles while keeping the existing piles in place.SOLUTION: The inventive pile 100 is a pile that is buried underground to support a structure 300 above ground, and has an open tip 120 and a pile body 110 with an inside diameter that encapsulates an existing structure P in the ground at a construction target site. The pile 100 is constructed on the ground so as to encapsulate the existing structure P around the existing structure P in the ground at the construction target site.SELECTED DRAWING: Figure 1
Patent JP-2021039128-A (JP)
Title: Portable electronic apparatus
Inventor: MATSUOU DAISUKE
IPC: G04G21/02
Filed: 2020-11-25
Abstract: To provide a portable electronic apparatus that can suppress the power consumption of a sensor detecting a physical quantity.SOLUTION: A portable electronic apparatus 1 includes: a communication unit 22; a storage unit 28 for storing pairing information on the communication unit and an external apparatus used by a user when a pairing between the communication unit and the external apparatus is executed; a sensor detecting a physical quantity; and a control unit 23 for permitting a return from a power saving mode when a return condition is satisfied while execution of the power saving mode. The return condition includes the pairing information being stored in the storage unit and motions having been detected by the sensor.SELECTED DRAWING: Figure 2
Patent JP-2022083785-A (JP)
Title: charging cable
Inventor: FUKUMOTO YUTAKA
IPC: H02J7/00
Filed: 2020-11-25
Abstract: To provide a charging cable capable of flexibly coping with each type of a power supply.SOLUTION: A charging cable 1 includes an input side plug 2, an output side charging connector 4. a relay 50, a voltage detection circuit 10, a GND monitor circuit 20, a relay fusion detection circuit 30 and a control circuit 40. The control circuit 40 determines a determination reference value for performing failure diagnosis of the relay fusion detection circuit 30 based on a first output signal from the voltage detection circuit 10 and a second output signal from the GND monitor circuit 20 before switching the relay 50 to ON in a state in which the input side plug 2 is connected to a power source to determine whether or not the relay fusion detection circuit 30 has failed by comparing a value indicated by a third output signal from the relay fusion detection circuit 30 with the determined determination reference value after switching the relay 50 to ON.SELECTED DRAWING: Figure 4
Patent JP-2022086184-A (JP)
Title: Face mask
Inventor: TSUCHIOKA YUYA
IPC: A41D13/11
Filed: 2020-11-30
Abstract: To provide a face mask that alleviates the stuffiness around the nose or mouth and can be used repeatedly and cleanly.SOLUTION: A face mask 1 includes: a frame 2 that can be attached to a face and has its center located between a nose top and eyes and its ends extending respectively to the right and left from the center along the face toward the back of the head; and a fabric body 3 that hangs from the frame 2 and covers a periphery of nostrils and a mouth. The fabric body 3 is detachable from the frame 2. The fabric body 3 hangs from the frame 2 in a gravity direction without being pushed toward the face surface.SELECTED DRAWING: Figure 1
Patent JP-2022086839-A (JP)
Title: Base paper for compression recording after applying paste and paper for compression recording after applying paste
Inventor: YAMAGUCHI YOSHIKI
IPC: D21H19/38
Filed: 2020-11-30
Abstract: To provide a base paper for compression recording after applying a paste, which has excellent printability and re-peelability in an after paste applying method.SOLUTION: There is provided a base paper for compression recording after applying a paste, comprising: a substrate paper; and a coating layer laminated on at least one side of the substrate paper, in which the substrate paper contains a paper strength enhancer and a sizing agent, the coating layer contains a pigment and a binder, the coating layer contains light calcium carbonate, kaolin and an organic pigment as a pigment, a content ratio of light calcium carbonate to all pigments in the coating layer is 40 mass% or more and 69 mass% or less, a content ratio of kaolin to all pigments in the coating layer is 30 mass% or more and 50 mass% or less, a content ratio of the organic pigment to all pigments in the coating layer is 1 mass% or more and 10 mass% or less, a mass ratio of kaolin to light calcium carbonate in the coating layer is 0.50 or more and 1.20 or less, and a mass ratio of the organic pigment to light calcium carbonate is 0.03 or more and 0.25 or less.SELECTED DRAWING: None
Patent JP-2022089465-A (JP)
Title: Construction machine
Inventor: TAMURA KAZUKI
IPC: B66C23/90
Filed: 2020-12-04
Abstract: To provide a construction machine capable of improving safety of crane work by a construction machine.SOLUTION: A shovel 1 has a crane mode of executing crane work of suspending an object, and an excavation mode of executing excavation work. The shovel 1 includes a hook 9, an imaging part 20, a display part 61, and a control part 11. The hook 9 suspends the object in the crane mode. The imaging part 20 images ambient environment of the shovel 1. The control part 11 controls the display part 61 so as to display work information WI on the crane work together with a captured image CG of the imaging part 20, in the crane mode.SELECTED DRAWING: Figure 8
Patent JP-2022090158-A (JP)
Title: Kraft paper
Inventor: HAGIWARA TAKAHIRO
IPC: D21H11/04
Filed: 2020-12-07
Abstract: To provide a kraft paper having excellent whiteness and good paper strength and printability.SOLUTION: A kraft paper of the invention contains bleached kraft pulp, a sizing agent, a paper strengthening agent, aluminum sulfate and a (meth)acrylamide-based resin, wherein the composition of the bleached kraft pulp is as follows: (Pulp composition) 400 pts.mass or more and 800 pts.mass or less of a needle-leaved tree bleached kraft pulp having a CSF filtration degree of 600 ml or more and 200 pts.mass or more and 600 pts.mass or less of a broad-leaved tree bleached kraft pulp having the CSF filtration degree of 400 ml or more and 520 ml or less, based on 1000 pts.mass of pulp.SELECTED DRAWING: None
Patent JP-2022090887-A (JP)
Title: Method for manufacturing adhesive for cardboard
Inventor: SUZUKI HIDEO
IPC: B31F1/28
Filed: 2020-12-08
Abstract: To provide a method for manufacturing an adhesive for a cardboard which has high adhesive strength and is less affected by kinds of water and starch.SOLUTION: Not only a carrier starch but also borax is added and caustic soda is added to a carrier water at a carrier part in a glue manufacturing method. A main water is added at a main part. Then, a main starch is added. Further, secondary caustic soda is added a plurality of times. Boric acid is added. This makes it possible to manufacture an adhesive having excellent adhesive strength and improved quality.SELECTED DRAWING: Figure 1
Patent JP-2021059732-A (JP)
Title: Polyimide powder and method for producing polyimide powder
Inventor: NAGASHIMA YUTAKA
IPC: C08G73/10
Filed: 2020-12-10
Abstract: To provide a polyimide powder which provides a polyimide film excellent in heat resistance and transparency and to provide a method for producing the same.SOLUTION: There is provided a polyimide powder soluble in N,N-dimethyl acetamide, which is produced through steps of: polymerization from at least one aromatic diamine compound and at least one tetracarboxylic acid dianhydride to a polyamide acid; a chemical imidization reaction; formation of a powder by precipitation of a produced polyimide; and drying, wherein the average particle diameter of the polyimide powder is in a range of 0.02 to 0.8 mm and a polyimide film having a thickness of 50 μm obtained by forming from an N,N-dimethyl acetamide solution of the polyimide powder has a light transmittance at the wavelength of 450 nm of 80% or more.SELECTED DRAWING: None
Patent JP-2022095325-A (JP)
Title: Coating film remover and coating film removing method
Inventor: HIROSE AKINORI
IPC: B05D3/10
Filed: 2020-12-16
Abstract: To provide a coating film remover and a coating film removing method capable of stably peeling a coating film and especially capable of securely peeling a coating film irrespective of a portion of a structure in which a coating film is provided.SOLUTION: There is provided a paste-like coating film remover containing a coating film removing liquid and fibrous particles. The coating film remover is suitably used for peeling a coating film provided on the surface of a steel structural material. The paste-like coating film remover maintains a peeling component contained in the coating film removing liquid and penetrates in the coating film and thus can stably peel the coating film without depending on the surrounding environment of the coating film. In addition, the paste-like coating film remover is embedded in a narrow part of a structure and the peeling component is sufficiently penetrated and thus a coating film can be securely peeled.SELECTED DRAWING: None
Patent JP-2021052010-A (JP)
Title: Connector and connector pair
Inventor: NUKANOBU SUKEMASA
IPC: H01R12/71
Filed: 2020-12-17
Abstract: To provide a connector that not only provides good robustness and shielding properties but also simplifies the structure and reduces costs through the use of dual-use components.SOLUTION: The connector includes a connector body that is mated with a mating connector and a plurality of terminals arranged on the connector body and conducts with the mating terminals of the mating connector in accordance with the mating. A pair of reinforcing fittings 51 and a pair of shield plates 58 are provided. The connector body has a substantially rectangular outer shape with a pair of end walls, a pair of sidewalls, and a recess formed by the end walls and the side parts. At least one of the pair of reinforcing fittings has a central guide portion 57 covering the inner wall end face, which is the recess side face of the end wall portion. A shield plate unit covers a pair of sides of the connector body and integrally connects both ends of the pair of reinforcing fittings in the short-side direction.SELECTED DRAWING: Figure 1
Patent JP-2022097903-A (JP)
Title: Solar cell blind, slat member with solar cell and solar cell device
Inventor: MIYAMICHI YUSUKE
IPC: E06B5/00
Filed: 2020-12-21
Abstract: To provide a solar cell blind or a solar cell device which improves a power generation amount.SOLUTION: A solar cell blind 1 comprises a plurality of slat body parts and a plurality of solar cell units 32. The plurality of slat body parts respectively have length directions along a first direction and are disposed side by side in a second direction which is vertical to the first direction. Each of the plurality of solar cell units 32 includes a plurality of solar cell elements 323 and one or more bypass diodes 325 in a state where they are respectively disposed in each of the plurality of slat body parts. In at least one solar cell unit 32 among the plurality of solar cell units 32, one bypass diode 325 among the one or more bypass diodes 325 is electrically connected in parallel to two or more solar cell elements 323 among the plurality of solar cell elements 323, and all the solar cell elements 323 in the two or more solar cell elements 323 are electrically connected in parallel.SELECTED DRAWING: Figure 10
Patent JP-2022097937-A (JP)
Title: Retainer and retainer set
Inventor: NAKAJIMA SEIICHI
IPC: A61B90/53
Filed: 2020-12-21
Abstract: To provide compact and low cost retainer and retainer set that allow a user of medical equipment to retain the medical equipment at an arbitrary position.SOLUTION: A retainer 10 for retaining medical equipment includes a retaining part 1, a fixing part 3, and a connection part 2. The retaining part 1 is formed with a through-hole 1d for detachably retaining the medical equipment. The connection part 2 connects the fixing part 3 and the retaining part 1. The fixing part 3 includes a fixing member 3b for detachably fixing the retainer 10 onto the user's garment. By this configuration, the medical equipment can be supported on the retaining part 1 of the retainer 10 in a state that the retainer 10 is fixed onto the garment 30.SELECTED DRAWING: Figure 1
Patent JP-2022101311-A (JP)
Title: Structure having water-repellent surface
Inventor: KASA HARUYA
IPC: B32B3/30
Filed: 2020-12-24
Abstract: To provide a structure in which durability of a water repellent function and an antireflection function is improved in a water repellent antireflection structure using the inorganic glass having the surface composed of finely distributed fine projections as a base material.SOLUTION: A water repellent antireflection structure includes: a base material 1 made of the transparent inorganic glass having the surface constituted as an aggregate of fine projections 2; a toughness reinforcing layer 3 formed on the fine projections; and a water repellent layer 4 formed on the toughness reinforcing layer. The toughness reinforcing layer is made of ceramic having a fracture toughness value of 2 MPam 1/2 or more and has a thickness of 1 to 50 nm.SELECTED DRAWING: Figure 1
Patent JP-2022102897-A (JP)
Title: Image forming apparatus and method for controlling the same
Inventor: IRIYAMA SHOTA
IPC: G03G21/14
Filed: 2020-12-25
Abstract: To allow accurate correction of a developing bias in an image forming apparatus even if the developing bias has a high exposure area ratio.SOLUTION: A control unit (100) included in an image forming apparatus (1) executes setting processing of, when executing developing bias correction processing, setting a plurality of developing biases for a test all of which are smaller than a former developing bias being a developing bias for printing before executing the developing bias correction processing, forming processing of forming a plurality of developer images on the belt, reading processing of reading the densities of the plurality of developer images, and calculation processing of calculating the developing bias for printing according to the densities of the plurality of developer images.SELECTED DRAWING: Figure 2
Patent JP-2022039899-A (JP)
Title: Slope land weed proof construction method
Inventor: YOSHIDA HIROSHI
IPC: E02D17/20
Filed: 2020-12-28
Abstract: To provide a weed proof construction method capable of preventing germination and growth of plants by establishing a weed proof base layer by laminating and sprinkling weed proof substrates on a slope such as a slope face.SOLUTION: There is provided a weed proof construction method for preventing germination and growth of plants by establishing a weed proof base layer on a slope such as a slope face, the weed proof construction method is configured so that wood chips as a main material, and at least cement, a powder type clay mineral and water are mixed for preparing a weed proof substrate, then the weed proof substrates are laminated and sprinkled for establishing the weed proof base layer. In other embodiment, the wood chips as a main material, and the at least cement and the powder type clay mineral are mixed for preparing anhydrous state weed proof substrates, then, water is mixed with the anhydrous state weed proof substrates immediately before lamination and sprinkling of the anhydrous state weed proof substrates, for preparing the weed proof substrates, and then the weed proof substrates are laminated and sprinkled for establishing the weed proof base layer.SELECTED DRAWING: Figure 1
Patent JP-2022104052-A (JP)
Title: Control device and control method
Inventor: DOMOTO KAZUHIRO
IPC: F01D17/00
Filed: 2020-12-28
Abstract: To provide a control device and a control method capable of contributing to maintenance of the frequency of an electric power system by having a good followability to AFC signals.SOLUTION: A control target of a control device is a thermal power plant including a turbine bypass valve for adjusting the amount of steam that bypasses a steam turbine driven by steam from a boiler. The control device controls the turbine bypass valve on the basis of a turbine bypass valve opening degree command value and controls the boiler on the basis of a boiler input command value. The turbine bypass valve opening degree command value is generated on the basis of an AFC signal in an AFC response mode of the thermal power plant. The boiler input command value is generated by adding a positive bias value to a base input value based on a load command value for the thermal power plant in the AFC response mode.SELECTED DRAWING: Figure 2
Patent JP-2022104649-A (JP)
Title: Game machine
Inventor: MURAMATSU NAOKI
IPC: A63F7/02
Filed: 2020-12-28
Abstract: To provide a game machine capable of increasing a player's interest in a game.SOLUTION: On the basis of the satisfaction of a predetermined setting condition, one of multiple controls including at least a first control and a second control which makes it easier for game balls to enter ball entry means than the first control is set by control setting means. On the basis of the satisfaction of a predetermined specific condition in a state where the second control is set, the second control is switched to the first control by switching means. In a predetermined game state set in the second control, the degree of advantage is likely to be higher when a game is played by a first game method than playing a game by a second game method different from the first game method. Thereby, a player's interest in a game can be increased.SELECTED DRAWING: Figure 1
Patent JP-2022101417-A (JP)
Title: Crank arm with weight
Inventor: KINJO YOSHIHIKO
IPC: B62M3/00
Filed: 2020-12-17
Abstract: To provide assistance of pedalling starting load at the start of pedaling a bicycle with pedaling force by using a timing belt with a mobile weight.SOLUTION: A load during pedaling can be reduced by using a pedal (1) integrated with a shaft of a bicycle pedal and timing pulleys (2,3,4) and hooking a timing belt such that a pedal-side pulley (2) also makes one rotation when a crank makes one rotation to generate motive power to rotate the belt, and by constant movement of weight position and rotation cycle by a timing belt with a weight (9) through the angle of a crank arm.SELECTED DRAWING: Figure 1
Patent JP-2020527010-A (JP)
Title: 交流部に電力を管理するためのモジュールを備える変換器
IPC: H02M7/483
Filed: 2018-07-04
Abstract: 本発明はモジュラーマルチレベル変換器（１０）に関し、当該モジュラーマルチレベル変換器は、当該変換器の内部コマンド設定値のためのコンピュータ（２２）及び交流電源供給網（１１０）に伝達すべき電力設定値を決定するためのエネルギー管理モジュール（２４）を含む制御モジュール（２０）を備え、上記制御モジュールが、上記内部コマンド設定値及び上記交流電源供給網に伝達すべき上記電力設定値に応じて直流電源供給網（１２０）への上記変換器の接続点における電圧及び各モデル化キャパシタの端子間における電圧を調整するように構成されている。
Patent JP-2020534381-A (JP)
Title: 接着性粘弾性体および安定化性を有する保管容器内でのその使用
IPC: C09J7/30
Filed: 2018-08-06
Abstract: 本発明は独自の熱硬化粘弾性反応生成物と容器組合せ体を提供し、その容器組合せ体は、熱硬化粘弾性反応生成物を備えた支持基体より成り、その生成物は予想外に優れた接着効果および凝集効果を有し、当該生成物を容器組合せ体内において接着性インサートとして特に有用なものにする。その熱硬化インサートは任意の適切な支持構造に接合される。この独自の粘弾性反応生成物製インサートは、その上に載置されたアイテムを接着固定するとともに多くの通常の容器に接着によるかまたは恒久的に接合する。このインサートの強靭な凝集性および接着性という特徴は、収納されたアイテムを反転状態で収納することを可能にする。このインサートの接着性および凝集性であって拘束を行うものにより、通常の拘束構造を有しない通常の軟質のまたは硬質の基体の構造的支持体は、収納されたアイテムのための独自の容器組合せ体を提供する。独自のインサートを備えた容器は、意外にも、衛生用途に特に有用な無菌環境も提供する。【選択図】図３
Patent JP-2021501985-A (JP)
Title: 複数の電極を備えた半導体基板支持体及びその製造方法
IPC: H01L21/683
Filed: 2018-08-23
Abstract: 金属接合層を用いて第１のセラミックプレートを第２のセラミックプレートに接合するステップを含む、静電チャックを製造するための方法。少なくとも１つの溝が、金属接合層から形成された少なくとも１つの電極部分を提供するために、第１のセラミックプレート及び金属接合層を通って延びるように形成される。少なくとも金属接合層における少なくとも１つの溝は、少なくとも１つの電極部分を電気的に分離するために誘電材料で充填される。このような方法によって製造された静電チャック又は他の構造体を提供することができる。【選択図】図３
Patent JP-2020532981-A (JP)
Title: 修飾型閉端ｄｎａ（ｃｅｄｎａ）
IPC: C12N15/63
Filed: 2018-09-07
Abstract: 直鎖状で連続的な構造を有するｃｅＤＮＡベクターは、高収率で産生され、導入遺伝子の有効な移動および発現に使用され得る。ｃｅＤＮＡベクターは、発現カセットと、ＡＡＶゲノムに由来する２つの異なるＩＴＲ配列と、を指定された順序で含む。本明細書に提供されるいくつかのｃｅＤＮＡベクターは、シス調節エレメントをさらに含み、高い遺伝子発現効率をもたらす。さらに、直鎖状で連続的なカプシド不含ＤＮＡベクターの確実かつ効率的な産生のための方法および細胞株が本明細書に提供される。
Patent JP-2020533299-A (JP)
Title: キャリアタンパク質へのコンジュゲーションのための肺炎球菌多糖の製剤方法
IPC: C07K14/33
Filed: 2018-09-04
Abstract: 本発明は、肺炎連鎖球菌（Ｓｔｒｅｐｔｏｃｏｃｃｕｓ ｐｎｅｕｍｏｎｉａｅ）からの莢膜多糖のキャリアタンパク質へのコンジュゲーションに関係する多くのプロセス改善を提供する。これらのプロセスは血清型固有のものであり、酸加水分解、塩化ナトリウムの還元的アミノ化反応への添加、及びショ糖の添加による多糖溶解を含むものである。本発明のプロセスを用いて製造される多糖−タンパク質コンジュゲートは、多価肺炎球菌ワクチンに含ませることができる。【選択図】図１
Patent JP-2020535462-A (JP)
Title: 反射防止フィルム、偏光板およびディスプレイ装置
IPC: G02F1/1335
Filed: 2019-01-15
Abstract: 本発明は、ハードコート層；および多官能性（メタ）アクリレート系モノマーの共重合体を含むバインダー樹脂と、前記バインダー樹脂に分散した無機粒子とを含む低屈折層；を含み、前記多官能性（メタ）アクリレート系モノマーは、２〜４官能性（メタ）アクリレート系モノマーと５〜６官能性（メタ）アクリレート系モノマーとを９：１〜６：４の重量比で含む、反射防止フィルムおよびディスプレイ装置に関する。
Patent JP-2021511086-A (JP)
Title: 最小侵襲ガイド及び切断器具
IPC: A61B17/15
Filed: 2019-08-01
Abstract: 手術ガイドは、第１長手軸上で第１端部から第２端部に延びる第１ガイドアームを含む。第１ガイドアームは、これを介して第１ガイド要素を収容するようにサイズ決めされ構成された複数の第１開口部を規定する。第２ガイドアームは、第２長手軸上で第１端部から第２端部に延びる。第２ガイドアームは、これを介して第２ガイド要素を収容するようにサイズ決めされ構成された複数の第２開口部を規定する。枢動要素は、第１ガイドアームと第２ガイドアームとの間の角距離が第１平面で調整できるように、第１ガイドアームの第１端部を第２ガイドアームの第１端部に結合させる。
Patent JP-2020536857-A (JP)
Title: 化粧品組成物および洗浄ケア製品
IPC: A61Q5/12
Filed: 2018-10-12
Abstract: 本発明は、化粧品組成物と、該化粧品組成物を含む洗浄ケア製品と、該洗浄ケア製品の使用および適用方法に関する。上記化粧品組成物は、以下の成分：アニオン性ポリマー、両性ポリマー、及び水を含む系を反応させることにより得られる、重合生成物であって、前記アニオン性ポリマーと両性ポリマーの重量比が、１：１００〜１００：１の範囲内にあり、前記アニオン性ポリマーと前記両性ポリマーの総重量が、前記組成物の量が１００重量％であることを基準として、０．１重量％以上である、重合生成物と；任意のカチオン性ポリマーと；任意の活性成分と；任意の添加剤と；任意の化粧品的に許容可能な媒体とを含む。
Patent JP-2020535890-A (JP)
Title: 追跡範囲内における目の動きの追跡
IPC: A61F9/008
Filed: 2018-09-24
Abstract: ある実施形態において、目の動きを追跡するためのシステムは、カメラシステム、コンピュータシステム及び出力装置を含む。カメラシステムは、目の画像を生成する。コンピュータシステムは、画像と、基準画像としての画像の少なくとも１つとを格納する。コンピュータシステムは、現在の画像を基準画像と比較することにより、且つ現在の画像及び基準画像の比較から目の動きを判定することにより、追跡範囲内の目の動きも追跡する。追跡範囲は、１つ又は複数の警告点を有する。コンピュータシステムは、追跡範囲の少なくとも１つの警告点に対する目の方位も判定する。出力装置は、追跡範囲の少なくとも１つの警告点に対する目の方位を示す範囲インジケータを出力する。