baber/WOPTO huggingface dataset:
Patent JP-2004199530-A (JP)
Title: Numerical value control device having parameter rewriting history function
Inventor: KAWAI HIDETSUGU
IPC: B23Q15/00
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To reserve parameter rewriting history information without using a specific storage means.  <P>SOLUTION: A numerical value control unit having a parameter rewriting history function comprises: an NC (Numerical Control) program storage means 7 storing NC programs for controlling the operation of a control-oriented device 2; a parameter storage means 6 storing in a freely rewritable fashion each parameter; a means 9 for rewriting the parameter stored on the parameter storage means 6; and a rewriting history information management means 10 storing the rewriting history information A applied to the rewritten parameter on the NC program storage means 7. The rewriting history information A is recorded as the description contents of a comment region on an exclusive program 11. The exclusive program 11 is described in the same program form as that of the NC program 4 and contains no command used for actually operating the control-oriented device 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196743-A (JP)
Title: Method for producing carboxylic acid ester of adamantanepolyol
Inventor: ABE KAZUAKI
IPC: C07C69/30
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a hardly discolored adamantane ester without using an acid halide; and to provide a method for easily producing the carboxylic acid ester of an adamantanepolyol in high yield in a short time while hardly causing a side reaction.  <P>SOLUTION: The method for producing the carboxylic acid ester of the adamantanepolyol involves subjecting an adamantanediol or an adamantanetriol, with monobasic acids and/or dibasic acids to esterification reaction in the presence of an organic porous material.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004198382-A (JP)
Title: Interference device
Inventor: HAYASHI NAOTO
IPC: G01M11/02
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an interference device which measures the surface profile of a surface to be examined and the homogeneity of an object or the like, with high precision.  <P>SOLUTION: The interference device comprises an optical means, which forms a light flux to be examined via an object to be examined and a reference light flux via a reference surface from a light flux emitted from a light source means, and combines both, to form an interference wavefront; a means of changing optical path length difference which changes the optical path length difference between the light flux to be examined and the reference light flux; an imaging device which images interference fringes based on the interference wavefront; and a processing unit which calculates the phase difference distribution of the interference wavefront from the interference fringes imaged by the imaging device. The interference device further comprises a correction means which corrects the phase difference distribution with a correction value, obtained by using a value obtained by a profile measuring device which mechanically measures the irregularities profile of the surface to be measured of a sample for correction and a value obtained, by measuring the sample for correction by using the interference device.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004207370-A (JP)
Title: Method of manufacturing printed wiring board
Inventor: HOSODA TETSUSHI
IPC: H05K3/28
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printed wiring board provided with solder resist including a rough layer at the surface which ensures excellent close contact force between the solder resist and resin.  <P>SOLUTION: In the method of manufacturing a printed wiring board to form the roughening layer on the semi-cured solder resist with a flat press via a roughening pattern transfer body, the roughening layer is formed to the semi-cured solder resist with the flat press via the roughening pattern transfer body. Moreover, the solder resist including the roughening layer at the surface is also provided.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204736-A (JP)
Title: Intake system for internal combustion engine
Inventor: MIURA TATSUO
IPC: F02M35/104
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an intake system for an internal combustion engine, which is decreased in weight and reduced in noise, at low cost hardly changing an acoustic mode.  <P>SOLUTION: At least either of an intake manifold part 20 or a surge tank part 10 of an intake system member guiding intake air to an internal combustion engine 100 is provided with a resin molded part molded partially or wholly by a resin material. A surface area of 80% or more of the part, formed in a hollow state and having an internal part through which intake air can pass, of the resin molded part is covered with an elastomer E of a low rigidity structure. The elastomer E is double-molded with a resin material, of which the resin molded part is formed, for integration.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004094907-A (JP)
Title: Two-dimensional code pattern, pattern carrier medium bearing same, method of generating same, and method and device for reading two-dimensional code
Inventor: TAKAHASHI SADAO
IPC: G06K1/12
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a two-dimensional code pattern which can be printed together with documents by a general-purpose printer and allows continuous retouch information to be accurately acquired.  <P>SOLUTION: The two-dimensional code pattern includes a code frame for demarcating a certain area by dots arranged at prescribed intervals and a data arrangement area which is placed in the code frame and represents position information and document discrimination information by dots arranged at prescribed intervals. The position information represents the position of a two-dimensional code on a document page, and the document discrimination information represents discrimination information of a document page to be printed together with the two-dimensional code. It is preferable that the dots have a diameter being at least twice the length od a minimum dot unit of a printer to be used to print the document page and the prescribed intervals are about 6 times the length of the diameter of dots.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004203819-A (JP)
Title: Method for manufacturing n4-acylcytidine derivative
Inventor: UMETANI HIDETAKE
IPC: C07H1/00
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for industrially manufacturing an N<SP>4</SP>-acylcytidine derivative in a high yield by a simple operation.  <P>SOLUTION: A cytidine derivative as a starting raw material having hydroxy groups coupled with a protecting group at 3'- and 5'-positions so as to enhance crystallinity is benzoylated and subsequently hydrolyzed to give the N<SP>4</SP>-acylcytidine derivative in a high yield by a simple separating operation such as filtration. Thus, the N<SP>4</SP>-acylcytidine derivative can be synthesized in a high yield in few steps by the filtration operation without necessitating troublesome operations. The manufacturing method is suitable as an industrial manufacturing method.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202076-A (JP)
Title: Shoe hanger
Inventor: TSUKAGOSHI TORU
IPC: A47L23/20
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide shoe hangers specifically for quickly drying wet shoes without harming sole leather of the shoes by sandwiching and holding outside of the shoes and hanging them with outsoles upward.  <P>SOLUTION: A U-shaped sandwiching/holding part is provided for butting a heel part of the shoe against the inside near a top part having a letter U shape so as to sandwich and hold the shoe along a periphery of the outsole from the heel part to the front of the shoe. Two sandwiching recessed parts are consecutively arranged upward in end parts on open sides of each U-shaped sandwiching/holding part so as to operate together and sandwiching and holding the outsole from lateral sides. A hanging down hook part is extended from the other end of the sandwiching recessed part so that an angle of the U-shaped sandwiching/holding part and the hanging down hook part is 90 degrees or more.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202081-A (JP)
Title: Game machine
Inventor: FUJIMOTO ATSUSHI
IPC: A63F5/04
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine which can prevent the malfunctioning as caused by noises or the like without increasing the burden on the processing with the control means for the main control of the game machine.  <P>SOLUTION: The game machine is provided with reels (3L, 3C and 3R) for variably displaying the figures, a hopper (102) for putting out the medals, a main control circuit (71) comprising a stop control means for carrying out controls to stop the variable display of the figures based on the stop operation, a winning decision means which decides whether the figure display mode is the prescribed winning mode or not when the variable display of the figures is stopped and a put-out number decision means for deciding the number of medals put out based on the result of the winning decision and a hopper control circuit (51) which controls the hopper (102) using the serial set command based on the result of the decision by the put-out number decision means. A main control circuit 71 has a serial output circuit (41) which converts the signal output parallel from the put-out number decision means to the serial signal to be output to the hopper control circuit (51).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004205463-A (JP)
Title: Glossiness measuring apparatus, glossiness measuring method, and calibration method
Inventor: KAWAMURA KAZUNARI
IPC: G01N21/57
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a glossiness measuring apparatus and a glossiness measuring method capable of measuring glossiness independently of the image density of a hard copy and to provide a calibration method capable of acquiring a high-quality image provided with desired glossiness on its surface.  <P>SOLUTION: In the glossiness measuring apparatus 10, the glossiness of a print 100 of which the glossiness is changed by the formation of surface recessions and protrusions is measured. The glossiness measuring apparatus 10 comprises a light source L; a first lens 20; a first polarizing plate 22; a second polarizing plate 24; a second lens 26; a sensor D; and a polarizing direction altering means (not shown in Fig.) for converting the polarizing direction of the second polarizing plate 24 into two directions which intersect each other at right angles. Light polarized by the first polarizing plate 22 enters a surface S of the print as incident light Ii. Light Ir is reflected at the surface S of the print and measured by the sensor D after the direction of the light Ir is converted into two directions by the second polarizing plate 24. Their difference is acquired to determine a component of regular reflection. By this, it is possible to measure glossiness independently of the image density of the surface S of the print.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004210860-A (JP)
Title: Friction regulating agent for drive system lubricating oil
Inventor: ICHIHASHI TOSHIHIKO
IPC: C10N40/04
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a friction regulating agent excellent in capability of improving the friction coefficient of a drive system lubricating oil.  <P>SOLUTION: The friction regulating agent comprises a vinyl polymer containing structural units (a1) represented by general formula (1) and has (I) an amine value of 1-200 and (II) a weight average molecular weight of 5,000-50,000. In formula (1), X is H or methyl; Q is a 2-18C alkylene or a 7-18C aralkylene; and m is an integer of 1-30.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004214319-A (JP)
Title: Plasma process apparatus, and process using the same
Inventor: FUJISAWA KAZUTOSHI
IPC: B01J19/08
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plasma process apparatus along with a process using the same, capable of switching between a capacitively-coupled plasma and an inductively-coupled plasma according to modes of process.  <P>SOLUTION: A sheet-like electrode 5 for generating the capacitively-coupled plasma and a coil-like electrode 6 for mainly generating the inductively-coupled plasma are provided outside an upper-half part 4a of a chamber 4. The sheet-like electrode 5 comprises a first sheet-like electrode 51 connected to the earth and a second sheet-like electrode 52 which is selectively connected to a matching box (high-frequency power supply) and the earth through a switcher 7. The coil-like electrode 6 is wound three times around the chamber 4 with a constant interval by a spacer 61 of an insulator. One end is connected to the earth, while the other end is selectively connected to the matching box (high-frequency power supply) and the earth through the switcher 7.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004174599-A (JP)
Title: Method of welding shaftlike component to plural piled steel sheets
Inventor: AOYAMA YOSHITAKA
IPC: B23K11/00
Filed: 2002-11-23
Abstract: <P>PROBLEM TO BE SOLVED: To weld a shaftlike component such as a projection bolt to a plurality of piled steel sheets.  <P>SOLUTION: The shaftlike component 1 comprises a stem portion 2, a round flange 3 integrated with the stem portion 2, and a round convex portion 4 which is provided at the center of the flange 3 and is smaller than the flange 3 in diameter. The stem portion 2 of the shaftlike component 1 is inserted into the retention hole 8 of a movable electrode 6. The plurality of piled steel sheets 10 and 11 are kept into contact with a fixed electrode 12. The advancement of the movable electrode 6 makes the protrusive portion 4 touch and press the steel sheet 10 so that at least the steel sheet 10 touched and pressed by the protrusive portion 4 is thinned. Then a welding current is made between the electrodes 6 and 12 so that the shaftlike component 1 is welded and integrated with the plurality of steel sheets 10, 11 and so on securely.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004202152-A (JP)
Title: Sock hanger
Inventor: IWATA MASARU
IPC: A47G25/28
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve problems that conventional socks drying work such as preparing a pair of right and left socks, releasing creases, shaping, mounting the socks on a laundry pole etc. ( mainly pinching with clothespins) and taking in the socks is both-hands work that is troublesome and requires time, drying is delayed by tightly contacting the fabrics of socks under drying, and bacteria grows thereby.  <P>SOLUTION: The socks hanger is composed of a plurality of foot-shaped portions wherein the three-dimensional form from the human crural part to the toe of the foot is simplified and approximately dogleg-shaped with a heel portion corresponding to the heel of the foot as an apex, formed with size (length and thickness) to be inserted into socks of various lengths. Thus, socks of various lengths are made cover the hanger just like being worn over the hanger with one hand, thereby remarkably enhancing the above problems.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003535967-A (JP)
IPC: C09K23/52
Filed: 2001-06-15
Abstract: This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an after-treatment such as a filter.
Patent JP-2004504085-A (JP)
Title: ブラシおよび櫛を一体化した化粧品塗布具
IPC: A45D40/26
Filed: 2001-07-06
Abstract: ループ状に曲げた捻じりワイヤ芯と剛毛部分を有する化粧用ブラシのための挿入櫛を開示する。該挿入櫛は、少なくとも一方の表面から伸びる歯を持つ基部を有する。挿入櫛の基部には、ループ内に挿入櫛を固定するために、ループを形成するブラシの芯を締りばめによってかみ合わせる、溝が設けられている。
Patent JP-2004515043-A (JP)
Title: 結合インダクタを有するｌｃｄバックライト用インバータ
IPC: H05B41/392
Filed: 2001-11-19
Abstract: ＬＣＤバックライトインバータ回路は、ＰＭＷディープ調光（ｄｅｅｐ ｄｉｍｍｉｎｇ）モードで効率的に動作することができる電圧供給直列共鳴プッシュプルインバータを具える。電圧供給直列プッシュプルインバータ回路は、直流電源と、第１及び第２の１次巻線並びにランプ負荷に直列接続するのに適合した少なくとも１個の２次巻線を有する変成器と、１次共振インダクタ及び共振キャパシタを有する第１共振回路と、第２共振インダクタ及び共振キャパシタを有する第２共振回路とを具え、第２共振インダクタは、第１共振インダクタに磁気的に結合される。インバータ回路は、迅速にオン及びオフに切り替えられて、ディープパルス変調（ＰＷＭ）調光が行われる。電圧供給プッシュプルインバータは、ＰＭＷディープ調光モードのようにＣＣＦＬ負荷を駆動するために低入力インピーダンス及び高出力インピーダンスを有する。インバータ回路は、ランプ負荷をブレークダウンする（すなわち、高いスタートアップ抵抗を減少する）のに十分な初期の高いＱ値を有するようにも特徴付けられ、ランプ負荷がブレークダウンされた後、回路のＱは、回路を監視し及び／又は切り替える必要なく自動的に低いＱ値に遷移する。負荷がＣＣＦＬのような負荷である状況に対して、駆動源は、電流駆動されて負荷を安定化する。
Patent JP-2004517830-A (JP)
Title: ジスタマイシン誘導体の調製方法
IPC: A61K31/4025
Filed: 2001-11-07
Abstract: 本明細書に報告したように、ジスタマイシン誘導体を、高収率かつ高純度で、多くのステップを実行する必要なしにかつ／または望ましくない副生成物を生じ得る多数の中間体を単離する必要なしに調製する方法が記述されている。これらの化合物は、制癌剤として治療に有用である。
Patent JP-2005507305-A (JP)
Title: 流体ディスペンサ装置
IPC: B05B11/00
Filed: 2002-01-16
Abstract: 流体ディスペンサ装置であって、駆動ロッド（１２）を備えた、ポンプまたは弁などのディスペンサ部材（１）と、ディスペンサ開口部（２６）を備え、駆動ロッド上で、そして、当該ロッドを中心に回転するように設置されたプッシャー（２）であり、当該プッシャーに圧力が加えられることで本ディスペンサは駆動される、というプッシャーと、そして、ディスペンサ部材を容器（６）に固定するための締めリング（４）であって、前記リングは容器ネック（６０）と協働する締め手段（４１，４２）を有し、締めリング（４）が少なくとも１つの内部ロック用プロフィール（４５，４６）を有すると共に、プッシャーが少なくとも１つ、前記少なくとも１つの内部プロフィールでかみ合うロック用部材（２２）を有することで、プッシャーの駆動が防止される、という締めリングと、を有し、特徴となるのは、プッシャー（２）が、前記少なくとも１つのロック用部材（２２）を備えた内部ブッシング（２１）と、当該内部ブッシングと同心であってディスペンサ開口部（２６）が形作られている、という外側スカート（２５）とを有し、当該ブッシングは締めリング内にまで入り込み、スカートは締めリングを囲むように作られている点である、という流体ディスペンサ装置。
Patent JP-2004526953-A (JP)
Title: 男性におけるアンドロポーズの診断方法及び装置
IPC: G01N33/74
Filed: 2002-01-30
Abstract: 本発明は、アンドロポーズおよび／または生殖腺機能の低下を診断および評価するための方法、装置およびキットを提供する。この方法は、男性の流体サンプルを生物学的測定法で分析し、アンドロポーズの指標となる一つ以上の臨床マーカーの濃度を測定することを含む。本発明の方法は、簡単で、迅速かつ非侵襲性である。この方法によれば、患者本人が自宅に居ながら検査でき即座に結果を知ることができる。結果に基づいて、患者は初期治療およびアンドロポーズ諸症状および関連するいかなる臨床症状の緩和を導く、専門的な医療援助を求めることができる。
Patent JP-2004523545-A (JP)
Title: α−アミノ−Ｎ−ヒドロキシ−アセトアミド誘導体
IPC: A61K31/4192
Filed: 2002-02-08
Abstract: 本発明は、式(Ｉ) 【化１】     [式中、Ｒはジ−低級アルキルアミノ、１,２,３−トリアゾール−１−イル、１,２,３−トリアゾール−２−イルもしくは１,２,４−トリアゾール−４−イルであり、ｍは１〜１０の整数を表し、そしてｎは０〜１０の整数を表す。] のα−アミノ−Ｎ−ヒドロキシ−アセトアミド誘導体およびそれらの塩に、それらの製造方法、該ヒドロキサム酸誘導体を含む医薬組成物、そのようなヒドロキサム酸誘導体の医薬品としての使用、および、該誘導体を単独でまたは一つもしくはそれ以上の他の治療薬と併用して用いて、マトリックス分解性メタロプロテイナーゼ(ＭＭＰ)により仲介される異常もしくは疾患を処置する方法に関する。
Patent JP-2004521851-A (JP)
Title: 石英ガラス坩堝の製造方法
IPC: C03B20/00
Filed: 2002-03-05
Abstract: 坩堝基体素地は、少なくとも一部分で内層を提供され、ここでクリストバライトの形成は、結晶化促進物質を使用することにより引き起こされる石英ガラス坩堝の製造方法は既知である。それを基礎として、長い設備寿命のための再生可能な特徴を有する石英ガラス坩堝の安価な製造方法を提供するために、結晶化促進物質と還元物質が内層中に導入される本発明によって提案された。
Patent JP-2005506493-A (JP)
IPC: B62D23/00
Filed: 2002-03-20
Abstract: A jigging device, for example, for positioning parts to facilitate assembly line procedures. The jigging device maintains a first element ( 10 ) in a desired spatial relationship with a second element ( 12 ). The jigging device has a first fastening means comprising fastener ( 20 ) which is connected to the first element ( 10 ). The jigging device also has a second fastening means comprising fastener insert ( 14 ) together with adjustable capsule ( 18 ). Locking pin ( 22 ) locks fastener ( 20 ) to the adjustable capsule ( 18 ).
Patent JP-2004533502-A (JP)
IPC: C09B67/22
Filed: 2002-04-09
Abstract: Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, processes for preparing them, their use for, inter alia, optical recording and optical recording media.
Patent JP-2004529561-A (JP)
Title: コンピュータ・ネットワーク内のアプリケーション・コードおよびコンテンツ・データの制御された配布
IPC: H04L9/08
Filed: 2002-04-12
Abstract: 【課題】セキュア通信方法を提示すること。 【解決手段】サーバからアプリケーション・コードまたはコンテンツ・データあるいはその両方をダウンロードするように、クライアント装置を構成する。クライアントには、クライアント秘密鍵、クライアント通し番号、およびサーバ公開鍵のコピーが組み込まれる。クライアントは、クライアント通し番号を含む要求を形成し、サーバ公開鍵を用いてその要求を暗号化し、ダウンロード要求をサーバに送信する。サーバは、サーバの秘密鍵を用いて要求を暗号化解除し、クライアントを認証する。受信されたクライアント通し番号は、組込みクライアント秘密鍵に対応するクライアント公開鍵の探索に使用される。サーバは、要求された情報を含む応答を、要求元クライアントのクライアント公開鍵を用いて暗号化し、要求元クライアントの秘密鍵だけが、サーバからダウンロードされた情報の暗号化解除に使用可能である。
Patent JP-2004537095-A (JP)
Title: 情報セキュリティシステム
IPC: G06F1/00
Filed: 2002-04-22
Abstract: 【課題】大幅に簡略化されたアクセス制御インフラストラクチャを有する情報セキュリティシステムを提供する。 【解決手段】コンピュータシステムドメイン内の秘密の数が最小化されるが、個別のユーザの識別は可能で、アプリケーションへのアクセスも個別に制御可能である。コンピュータシステムの複数の各プラットフォーム（１００、２００、２０２、２０３）内の信頼されるエンティティは、プラットフォーム（１００、２００、２０２、２０３）の身元の秘密を格納し、プラットフォーム（１００、２００、２０２、２０３）が正しいソフトウェアを実行してその情報ラベルに関連付けられた特定のサービスの提供かつ／またはサービスへの参加を行うときに限り、情報ラベルと併せてその秘密を使用することについて、そのエンティティを信頼することができる。
Patent JP-2004214455-A (JP)
Title: Boron phosphide semiconductor light emitting element and its manufacturing method
Inventor: UDAGAWA TAKASHI
IPC: H01L33/32
Filed: 2003-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light emitting element having a high light emitting intensity by diffusing element drive current to a light emitting region thoroughly in a boron phosphide semiconductor light emitting element having a pedestal electrode brought into contact with the surface of a boron phosphide crystal layer.  <P>SOLUTION: The boron phosphide semiconductor light emitting element having the high light emitting intensity of a wide light emitting region is obtained by avoiding the short circuiting flow of the element drive current to a light emitting layer by selectively disposing the boron phosphide semiconductor noncrystal layer which can constitute a pn junction with a high resistance or substrate layer of a pedestal electrode under the pedestal electrode.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004212770-A (JP)
Title: Fresnel lens, its molding die and manufacturing method, and transmission type screen using fresnel lens
Inventor: SEKIGUCHI HIROSHI
IPC: G03B21/62
Filed: 2003-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a Fresnel lens and the like that can be easily released from a molding die when manufactured using the molding die and that hardly causes stray light in use.  <P>SOLUTION: This is a Fresnel lens 1 equipped on the light incident area with a plurality of prisms 2 having a refractive face 3 for refracting incident light and a total reflecting face 4 for totally reflecting the light refracted on the refractive face 3. The plurality of prisms 2 are formed by bending, to the other prism 2B, the valley part 5 which is formed of the refractive face 3 of one prism 2A and of the total reflecting face 4 of the other prism 2B adjacent to the refractive face 3 of the one prism 2A.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004213532-A (JP)
Title: Network participation authentication system and network participation authentication method
Inventor: ISHII MUNEFUMI
IPC: G06F21/44
Filed: 2003-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a network participation authentication system that has a function capable of executing authentication without the preparation of an authentication server and without the preparation of users' personal information.  <P>SOLUTION: Participation request information transmitting means of a participant terminal transmit participation request information, participation right determination asking means of an authenticator terminal receive the participation request information to ask an authenticator to determine whether or not to admit the participation of the participant terminal, and authentication information transmitting means of the authenticator terminal transmit participation right information indicating admitted or unadmitted participation to the participant terminal according to the determination of the authenticator. Participation determination rule storing means of the participant terminal store participation determination rules, and participation right determining means of the participant terminal determine whether or not to establish an information-shared connection to the authenticator terminal according to the participation right information and the participation determination rules.  <P>COPYRIGHT: (C)2004,JPO&NCIPI