baber/WOPTO huggingface dataset:
Patent JP-2013503413-A (JP)
Title: ビットラインをフロートさせる不揮発性メモリの中速及び全速プログラム
IPC: G11C16/04
Filed: 2010-08-23
Abstract: 中速（細かい）プログラミング及び全速（粗い）プログラミングが、不揮発性メモリシステムのために達成される。プログラム動作中、第１の期間（ｔ１−ｔ３）に、禁止される記憶素子のビットラインがプレチャージされる。一方、中速でプログラミング（細かいプログラミング）される記憶素子のビットライン及び全速でプログラミング（粗いプログラミング）される記憶素子のビットラインは接地電位で固定される。第２の期間（ｔ４からｔ５）では、中速でプログラミングされる記憶素子のビットラインはより高く駆動される。一方、禁止される記憶素子のビットラインはフロートされ、プログラミングされる記憶素子のビットラインは接地されたままとなる。第３の期間（ｔ５からｔ８）に、禁止される記憶素子のビットラインは高く駆動される。一方、中速又は全速でプログラミングされる記憶素子のビットラインは、それらが結合されて高くなるようにフロートされる。
Patent JP-2013507993-A (JP)
Title: クリンプ装置及び使用方法
IPC: A61F2/24
Filed: 2010-08-27
Abstract: ステント付き心臓弁をクリンプするためのクリンプ工具は、前壁及び後壁を有しているハウジングと、前壁と後壁との間に配置されており、且つステント付き心臓弁を受けるためにステント受け取り室をその中に含んでいる圧縮アッセンブリと、ハウジングの前壁と摺動自在に連結されている搬送装置ホルダーと、を備えている。圧縮アッセンブリは、ステント付き心臓弁の直径を縮小するために非クリンプ位置とクリンプ位置との間で移動可能である。 【選択図】図１
Patent JP-2013519125-A (JP)
Title: グリッドナビゲーションのための機器および方法
IPC: G06F3/0482
Filed: 2010-09-22
Abstract: 例えば、グラフィック要素などのオブジェクトをデータベースのコンテンツに関連付けられたグリッドに表示し、選択することにより、大規模データベースの効率的な表示およびナビゲーションのための機器および方法を提供する。この方法は、グラフィック要素のデータベースからグラフィック要素の第１のサブセットを提供すること（８０８）を含み、ここで、グラフィック要素の第１のサブセットは、グリッドパターンで配列される。また、上記方法は、ディスプレイ上の第１のサブセット内のグラフィック要素のうちの１つのグラフィック要素の位置を、該１つのグラフィック要素の水平および垂直方向の移動を指示するユーザ入力に応答して調整すること（８１０）と、グラフィック要素のデータベースからグラフィック要素の第２のサブセットを提供すること（８１２）とを含み、グラフィック要素の第２のサブセットは、ディスプレイ上の中心の点にある第１のサブセット内の上記１つのグラフィック要素を含む。
Patent JP-2013514817-A (JP)
Title: 検鏡
IPC: A61B17/02
Filed: 2010-10-25
Abstract: 一形態において、そこに形成されてまぶたの形状に適合する第１の溝形部材を有する第１のアームと、そこに形成されてまぶたの形状に適合する第２の溝形部材を有する第２のアームと、第１および第２のアームと一体に形成されたヒンジと、位置保持機構とを含む検鏡がここに与えられ、ヒンジは第１および第２のアームが回転軸線回りに選択的に回転することを可能にし、この選択的な回転は第１および第２の溝形部材が選択的に移動してより近づきかつより離れることをもたらす。位置保持機構は、第１のアームと一体に形成された第１の部材と、第２のアームと一体に形成された第２の部材とを含む。第１および第２の部材は、第１および第２のアームを選択した回転位置に協調して保持するように形成される。都合が良いことに、対象発明に関し、調整可能な位置保持機構を含む一体の検鏡を形成することができる。
Patent JP-2013510284-A (JP)
Title: 加熱パネルおよびそのパネルのための方法
IPC: F24D13/02
Filed: 2010-11-05
Abstract: インテリア壁および天井のカバーとして一般的に使用される放射加熱パネルが提供されており、このパネルは少なくとも１つのシート材料と、硬化可能な材料と、加熱要素とを必要とする連続プロセスで製造される。加熱パネルを終端するのに必要とされる装置および方法と共に、かかる加熱パネルを設置する方法も提供されている。
Patent JP-2013511332-A (JP)
Title: 磁場強度閾値警報器
IPC: A61B5/055
Filed: 2010-10-22
Abstract: 磁場強度閾値警報器は，磁場に反応し，所定の閾値を超える磁場強度に応答して作動し，エネルギーを消費することなく作動するように動作可能に構成された検知手段と，検知手段の作動に反応して警報を出力し，検知手段の作動より前にエネルギーを消費しないように構成され，検知手段の作動の後にのみエネルギーを消費する警報手段とを備える。したがって，作動の前に警報手段によってエネルギーは消費されない。この警報器は，電気エネルギーを供給するエネルギー貯蔵手段を備えていてもよく，検知手段と，警報手段と，エネルギー貯蔵手段とは，検知手段が作動した時にのみエネルギー貯蔵手段から電気エネルギーが供給されるように動作可能に接続される。
Patent JP-2013515409-A (JP)
Title: Ｐｌｃシステムにおけるノッチングパラメータ決定方法およびｐｌｃシステム
IPC: H04B3/54
Filed: 2010-12-23
Abstract: ＰＬＣ（Power Line Communication）システムにおけるＰＬＣ信号に対するノッチングパラメータ決定方法を提供する。目標に合わせたノッチングにより、ＰＬＣ信号内の周波数範囲が除外され、ノッチングパラメータは、無線信号とのＰＬＣ信号の干渉が実質的に回避されるように選択される。ＰＬＣシステムの動作中であってもノッチングパラメータを決定するため、本方法は、少なくともＰＬＣ信号の一部に対して信号干渉比（ＳＩＲ）を求め、ＳＩＲに応じて無線信号の信号強度を評価し、該評価に基づいてノッチングパラメータを決定または調整することを特徴とする。対応するＰＬＣシステムが提供される。
Patent JP-2013527639-A (JP)
Title: ワイヤレス・データ通信ネットワークにおいてｐｄｐコンテキストを管理するためのシステムおよび方法
IPC: H04L47/80
Filed: 2011-02-18
Abstract: システムおよび方法は、ワイヤレス・データ通信ネットワーク（１００）において、パケット・データ・プロトコル（ＰＤＰ）コンテキストを管理するためのものである。複数のリアル・タイム・アプリケーションは、単一の共用されたＰＤＰコンテキストの内部で優先順位付けされ、または高優先順位アプリケーションがより低い優先順位アプリケーションの前に配信されるように、複数のアプリケーションに対して論理的に割り当てられる優先順位レベルに基づいて第２のＰＤＰコンテキストを割り付けられる。より低い優先順位のアプリケーションは、より高い優先順位のアプリケーションによって一時停止され、割り込まれ、またより高い優先順位のアプリケーションが完了された後に再開するように設定される。優先順位レベルは、汎用パケット無線サービス（ＧＰＲＳ）サポート・ノード（１３０）やネットワーク（１００）プローブ・システムなど、１つまたは複数のネットワーク要素の中に存在することができる優先順位管理エンジン（ＰＭＥ）１６４によって確立される。優先順位管理エンジン（１６４）は、例えば、与えられた時刻および／または与えられたネットワーク（１００）ロケーションにおけるＰＤＰ利用特性、および／またはユーザの好みを含めて１つまたは複数のファクタに基づいて優先順位レベルを確立する。
Patent JP-2013522229-A (JP)
Title: マクロライド抗生物質の非経口製剤
IPC: A61K9/08
Filed: 2011-03-10
Abstract: 本明細書において、トリアゾール含有およびフルオロケトライド抗生物質などのマクロライド抗生物質の非経口投与に適応した医薬品組成物が記載される。 【選択図】なし
Patent JP-2013522013-A (JP)
Title: フィルタエレメントを生産する方法
IPC: B01D29/11
Filed: 2011-01-25
Abstract: 本発明は、作動液、潤滑油、又は燃料などの液体を濾過するためのフィルタエレメントを生産する方法であって、ａ）少なくとも一つのフィルタ媒体の一つ以上の層で作られたフィルタマット繊維（１４）の少なくとも一部分を提供する工程と、ｂ）環状体（１２）を形成するために少なくとも一部分の端部を接続し、サポートパイプ（１６）上に環状体を配置する工程と、ｃ）フィルム繊維（８）の少なくとも一つのカットアウトを、サポートパイプ（１６）上に配置された環状体（１２）の外側に巻き付ける工程と、（ｄ）フィルム繊維（８）の少なくとも一つのカットアウトの端部領域（２４）を他の端部領域に配置し、オーバラップする端部領域（２４）を互いに接続する工程と、を備えるフィルタエレメントを生産する方法に関する。
Patent JP-2014137615-A (JP)
Title: Processing program creation device, and method of the same
Inventor: HIMENO TATSUNORI
IPC: B23Q15/00
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To eliminate a processing failure caused by a fact that any processing cannot be performed during processing commanded in a specified state of processing sequence, and to reduce the reprocessing time, additional material cost, additional processing cost (labor cost, electricity, or the like) required for following the elimination.SOLUTION: The processing program creation device 1 assigns a mold to a processing shape and creates a processing program. The processing program creation device 1 includes: setting means for setting an absolute processing sequence fixing to the mold; and processing program creating means for creating the processing program. When there is the absolute processing sequence fixing, the processing program considering the absolute processing sequence fixing is created.
Patent JP-2014142859-A (JP)
Title: Display device and program
Inventor: MIMUKAI WATARU
IPC: G06F3/0488
Filed: 2013-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a technology capable of increasing operability in a direction in which a slide operation is difficult.SOLUTION: In a display device including a display part and a sensor for detecting the approach/contact of an input medium to/with the display part, scroll data indicating the scroll quantity of an image displayed at the display part are calculated in accordance with a slide direction detected by the sensor, and when the slide direction is a first direction, scroll quantity data are calculated in accordance with a first method (S130), and when the slide direction is a second direction, the scroll quantity data are calculated in accordance with a second method (S132). Thus, it is possible to adjust the scroll quantity in accordance with the slide direction, and to increase operability in a direction in which a slide operation is difficult.
Patent JP-2014144092-A (JP)
Title: Pachinko machine
Inventor: MOTOKI SHINYA
IPC: A63F7/02
Filed: 2013-01-29
Abstract: PROBLEM TO BE SOLVED: To heighten the operation rate of a pachinko machine by preventing a player from losing an interest in a game, by achieving a fresh method as a method for previously noticing a result of jackpot determination to a reservation generated during a jackpot game.SOLUTION: In the case where a result of read-ahead determination when the fourth reservation is generated during a jackpot game is a success, a performance display device 30 displays a jackpot performance elongation pattern having a content for elongating a jackpot performance displayed during the jackpot game, continuously four times after finish of the jackpot game. Since a success is generated in high probability when the jackpot performance elongation pattern is displayed, a player heightens expectation to generation of a success when the jackpot performance elongation pattern is displayed.
Patent JP-2014144514-A (JP)
Title: Status display system, status display method, and robot apparatus
Inventor: UMEHARA NAOKO
IPC: B25J5/00
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a status display system and the like that are capable of effectively expressing information indicating a status of a robot apparatus.SOLUTION: A status display system includes a robot apparatus and a terminal device so as display a status of the robot apparatus. The robot apparatus includes a transmission means for transmitting status information indicating the status of the robot apparatus to the terminal device. The terminal device includes: a receiving means for receiving the status information from the robot apparatus; an image generation means for generating a display image on the basis of the status information; and a display means for displaying the display image.
Patent JP-2013102214-A (JP)
Title: Gas supply apparatus, substrate processing apparatus, and substrate processing method
Inventor: MASUDA NORIO
IPC: C23C16/455
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To effectively perform characteristics correction of the outermost periphery of a substrate while adopting an easy pipeline structure.SOLUTION: A gas supply apparatus 60 includes: a shower head 16; a process gas supply part 66 supplying a process gas to the shower head 16; a process gas supply passage 64 flowing the process gas from the processing gas supply part 66; branch flow passages 64a, 64b branched from the process gas supply passage 64 and supplying the process gas to the shower head 16; an additional gas supply part 75 supplying an additional gas to the shower head 16; and an additional gas supply passage 76 flowing the additional gas from the additional gas supply part 75 to the shower head 16. The shower head 16 has: first and second gas introduction parts 51, 52 supplying a gas to a placement region of a wafer W; and a third gas introduction part 53 supplying the gas to the outer side of an outer edge of the wafer W. The branch passages 64a, 64b connect with the first and second gas introduction parts 51, 52 and the addition gas supply passage 76 connects with the third gas introduction part 53.
Patent JP-2014148110-A (JP)
Title: Liquid jet device, and control method for the same
Inventor: KAIEDA AKIKAGE
IPC: B41J2/01
Filed: 2013-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a liquid jet device and a control method for the same capable of jetting liquid to a jetting object having an uneven or curved surface.SOLUTION: In a drive signal, flying speed of a latter droplet jetted by a latter drive pulse generated later than a former drive pulse is set so as to be greater than flying speed of a former droplet jetted by the former drive pulse, and the latter droplet jetted later catches up the former droplet jetted earlier to be combined with each other before landing on a jetting object. When a distance detected by detection means is a second distance longer than a first distance, control means changes the number of droplets that are combined during flying by increasing an applying number of the drive pulse included in the jet drive signal to pressure generation means from that in a case of the first distance.
Patent JP-2014149251-A (JP)
Title: Transport mechanism
Inventor: SHUDO TOMOKAZU
IPC: G01N35/04
Filed: 2013-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a transport mechanism for transporting an object to be transported from a certain position to a target position while keeping its posture constant, with a compact and simple structure.SOLUTION: A table 2 is provided between a transport start position 3a and a transport end position 3b. Both edge sides of the table 2 are provided with arm members 4, 6 facing each other and extending in an X direction. The arm members 4, 6 are driven in the X direction and a Y direction and constitute handlers for sandwiching a rack to hold it. The handlers 4,6 comprises first holding parts 4a, 6a on the side of the transport start position 3a and second holding parts 4b, 6b on the side of the transport end position 3b. The handlers 4, 6 hold the rack, having reached the transport start position 3a, at the first holding parts 4a, 6a to transport the rack onto the table 2, and then transfers the rack to the second holding parts 4b, 6b on the table 2 to transport the rack to the transport end position 3b.
Patent JP-2014149485-A (JP)
Title: Display device and control method therefor
Inventor: HANAMOTO NOBUYUKI
IPC: G01K1/14
Filed: 2013-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a technology capable of suppressing a change in display due to temperature change of a display panel at high accuracy.SOLUTION: A display device of this invention has a heating element provided at a position where its temperature is to be affected by an external environment including external light and outside air flow, and temperature outside the display device, a first temperature sensor for detecting the temperature of the heating element, a second temperature sensor for detecting the temperature outside the display device, a third temperature sensor for detecting temperature inside the display device, storage means for previously recording information for determining a processing parameter to be used in suppression processing, determination means for determining a processing parameter on the basis of the temperature detected by the first temperature sensor, the temperature detected by the second temperature sensor, the temperature detected by the third temperature sensor, and the information recorded in the storage means, and image processing means for applying suppression processing using the processing parameter determined by the determination means to an input image signal.
Patent JP-2013122061-A (JP)
Title: 4-methyl-1-pentene polymer, process for producing the same and use thereof
Inventor: YASUDA KAZUAKI
IPC: C08F2/18
Filed: 2013-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a 4-methyl-1-pentene polymer having excellent balance between heat resistance and rigidity, a process for producing the polymer, and a film and a LED mold formed from the polymer.SOLUTION: The 4-methyl-1-pentene polymer comprises 50 to 100 mass% of a constituting unit derived from 4-methyl-1-pentene and 0 to 50 mass% of a constituting unit derived from olefin having 2 to 20 carbon atoms excluding 4-methyl-1-pentene, wherein the 4-methyl-1-pentene polymer obtained by continuously feeding a monomer forming the 4-methyl-1-pentene polymer and an organic solvent to a polymerization reactor and continuously extracting a polymerization reaction mixture containing the resulting 4-methyl-1-pentene polymer from the polymerization reactor is produced by the suspension polymerization method under specific conditions.
Patent JP-2014157557-A (JP)
Title: Image generation device, image generation method and program
Inventor: YAMAMOTO RYOHEI
IPC: G06T11/80
Filed: 2013-02-18
Abstract: PROBLEM TO BE SOLVED: To appropriately generate a character image schematically representing an object from the view point of user satisfaction.SOLUTION: An imaging device 100 comprises: a constitution part image extraction section 6c for extracting a plurality of feature parts of an object within an original image; a portrait image generation section 6e for generating a character image schematically representing the object on the basis of the extracted feature parts; a constitution part image specification section 6d for specifying a prescribed number of feature parts used for the generation of a character image from among the plurality of extracted feature parts using at least any one of the application purpose of the character image, the object characteristics and the relationship between the object and a user as a reference; and a generation control section 6f for generating a character image on the basis of the prescribed number of specified feature parts.
Patent JP-2014157978-A (JP)
Title: Group iii nitride composite substrate, method for manufacturing the same, and method for manufacturing group iii nitride semiconductor device
Inventor: YAGO AKIHIRO
IPC: H01L21/20
Filed: 2013-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a group III nitride composite substrate with low sheet resistance, which can be obtained at high yield, a method for manufacturing the same, and a method for manufacturing a group III nitride semiconductor device using the group III nitride composite substrate.SOLUTION: A group III nitride composite substrate 1 comprises: a group III nitride film 13; and a support substrate 11 formed of a material whose chemical constitution is different from the group III nitride film 13. The group III nitride film 13 is directly or indirectly bonded to the support substrate 11. A thickness of the group III nitride film 13 is equal to or more than 10 μm. A sheet resistance on a main plane 13 m at the group III nitride film 13 side, is equal to or less than 200 Ω/sq. A method for manufacturing a group III nitride composite substrate 1 comprises: a step of directly or indirectly sticking the group III nitride film 13 to the support substrate 11; and a step of thinning at least one of stuck the group III nitride film 13 and the support substrate.
Patent JP-2013094059-A (JP)
Title: Rotary electric machine
Inventor: DAIKOKU AKIHIRO
IPC: H02K1/18
Filed: 2013-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a rotary electric machine capable of reducing cogging torque and torque ripple due to strain of a stator (armature) iron core or magnetic anisotropy of an iron core material.SOLUTION: A motor including a stator 2 provided with a stator iron core 7 having a cylindrical inner peripheral part 7a formed of six division iron cores 5 having six teeth 5a and coils 6a wound concentrically around the respective teeth 5a respectively and connected in a three-phase fashion, and a rotor 10 having N and S poles 11, 12 of 32 permanent magnets arrayed over the entire periphery on an outer peripheral side opposed to the respective teeth 5a is characterized in that a value other than the greatest common divisor of 4 between the total number 6×6=36 of the teeth 5a of the stator iron core 7 and the number 32 of the magnetic poles is selected as the number B of the division iron cores 5. In this embodiment, B is set to 6. Consequently, torque pulsation due to strain of the stator iron cores and magnetic anisotropy of the iron core material is reducible.
Patent JP-2014159919-A (JP)
Title: Oil separator
Inventor: KOYAMA KOJI
IPC: F25B43/02
Filed: 2013-02-20
Abstract: PROBLEM TO BE SOLVED: To provide an oil separator reducing individual difference in a direction of swirl flow caused by variation of accuracy in processing a delivery port of a refrigerant inlet pipe.SOLUTION: An oil separator 10 has a cylindrical oil separator body 20 an upper end plate 23 of which is connected with a refrigerant inlet pipe 11, and separates refrigeration oil contained in gaseous refrigerant by centrifugal force. A delivery port 13 of an end of the refrigerant inlet pipe 11 inserted into the oil separator body 20 is opened at least more upward than the horizontal direction H.
Patent JP-2014160622-A (JP)
Title: Light source unit and irradiation device
Inventor: HATANAKA MIYUKI
IPC: H01L33/00
Filed: 2013-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a light source unit and an irradiation device which are capable of readily and efficiently cooling a plurality of light emitting elements.SOLUTION: A light source unit and an irradiation device include an optical system 7 having a plurality of LEDs 4 along a circumferential direction of a columnar attachment body 5 internally having a flow channel 25 for cooling medium, surrounding an outer circumferential face of the attachment body 5, and controlling light of each of the LEDs 4.
Patent JP-2014163672-A (JP)
Title: Noncontact voltage measurement instrument
Inventor: KITAZAWA MAKIO
IPC: G01R15/12
Filed: 2013-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a noncontact voltage measurement instrument capable of measuring a voltage in a state where a detection edge of an end of each measurement probe is contacted with a measurement target electric wire in measuring the voltage.SOLUTION: A noncontact voltage measurement instrument 1 includes paired measurement probes 2 (2A, 2B) that include voltage detection circuits, respectively, and are mutually connected electrically with a connection cable. Further, the measurement probes 2 include voltage detection parts 4 (4a, 4b), respectively, in which voltage-detecting detection electrodes 201 (201A, 201B) constituting voltage detection circuits are disposed, so that pressing ends 40 of the voltage detection parts 4 of the respective measurement probes 2 onto measurement target electric wires 100 (100A, 100B) makes it possible to measure, in a noncontact state, voltages applied to the measurement target electric wires 100, respectively. Further, pressing the ends 40 onto the measurement target electric wires 100 causes the voltage detection parts 4 of the respective measurement probes 2 to move to turn on a switch 61 for starting measurement.
Patent JP-2014165533-A (JP)
Title: Nurse call system
Inventor: KUSUNOKI HIROKAZU
IPC: A61G12/00
Filed: 2013-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a nurse call system where the number of nurse call slave units to be simultaneously called is not restricted by the number of speech lines.SOLUTION: A nurse call system includes: nurse call slave units 1; nurse call master units 3; and a control unit 4 for controlling calls and speeches between the nurse call slave units 1 and the nurse call master units 3. The system also includes: multiple nurse call master units 3 to be controlled by the same control unit 4; and multiple speech lines between the nurse call slave units 1 and the nurse call master units 3. When a call operation by the nurse call slave unit 1 is received and the nurse call master unit 3 performs a response operation, a control unit CPU 45 secures one line among the speech lines so as to form a speech channel between the nurse call slave unit 1 and the nurse call master unit 3. In a case where there is no free speech line when a call operation is performed in the nurse call slave unit 1, the transmission of a call signal is held so as to wait for a free speech line by transmitting a notification lamp lighting signal. When a free speech line is obtained, the holding is canceled and a call signal is transmitted.
Patent JP-2014161458-A (JP)
Title: Food processing/cooking system for high-temperature wastewater treatment
Inventor: SASAKI AKIRA
IPC: A23L7/109
Filed: 2013-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a food processing/cooking system in which energy is saved by a heat exchanger and in which dismounting or washing of the heat exchanger is easy.SOLUTION: A food processing/cooking system capable of treating hot wastewater includes: (1) a boiling pot device for processing or cooking food with heated water; (2) a heat exchanger for making the high-temperature wastewater cooled wastewater by cooling the high-temperature wastewater by heat exchange between clear water before supplied to the boiling pot device and the high-temperature wastewater discharged from the boiling pot device; and (3) a treatment tank by a natural purification method for purifying the cooled wastewater having passed the heat exchanger. The heat exchanger includes: 1) a container body storing the high-temperature wastewater; and 2) a pipe part through which the clear water flows. 2a) The pipe part is disposed such that the pipe part is immersed in the high-temperature wastewater, and 2b) the pipe part is connected with outer pipes by a screw type or a joint type.
Patent JP-2014164672-A (JP)
Title: Authentication device and authentication method
Inventor: HAMAMATSU MASASHI
IPC: G06F21/31
Filed: 2013-02-27
Abstract: PROBLEM TO BE SOLVED: To enhance safety of password authentication, while preventing reduction in convenience of an authorized user.SOLUTION: A digit code generation unit 42 allocates a specific one of a plurality of codes as a digit code to each digit of a password registered by an authorized user. A digit code notification unit 44 gives information on the digit codes for the digits of the password to the authorized user. An error processing unit 54 transmits error information showing a mismatch state with the digit codes to a user to be authenticated when a character string input by the user to be authenticated is not coincident with the password. The error processing unit 54 determines the user to be authenticated as an unauthorized user when a character string input again by the user to be authenticated after the error information is transmitted is not coincident with the password and past coincident digits are not coincident with the password.