baber/WOPTO huggingface dataset:
Patent JP-2022527867-A (JP)
Title: 船舶用推進システム
IPC: B63H9/061
Filed: 2020-03-25
Abstract: 船舶用推進システムは、少なくとも1つの吸気セール(3)と、吸気システム(10)と、上記少なくとも1つの吸気セール(3)の回転を駆動する駆動部(8)とを具備し、上記少なくとも1つの吸気セール(3)は、制御部(9)に接続された複数のセンサ(12、13、14、15)を備え、上記制御部(9)は、上記吸気システム(10)および上記駆動部(8)の動作を決定する。本発明は、吸気セールを使用して船舶の性能を最適化することを可能にする船舶用推進システムを提供することを可能にする。【選択図】図１
Patent JP-2022531963-A (JP)
Title: ガスタービン
IPC: F23R3/00
Filed: 2020-05-09
Abstract: 格納された命令を有する非一時的なコンピュータ可読媒体であって、この命令は、燃焼器の自動調整を低頻度又は高頻度で行うことを選択するステップと、燃焼器の健全性を判定するステップとのために、１又は２以上のプロセッサによって実行可能である、非一時的なコンピュータ可読媒体。また、ガスタービンエンジンシステム内の燃焼器を監視する方法であって、自動調整システムを含むガスタービンエンジンシステムを提供するステップと、燃焼器の自動調整を低頻度又は高頻度で行うことを選択するステップと、燃焼器の健全性を判定するステップとを含み、燃焼器の健全性を判定するステップが、少なくとも１つの熱電対からリアルタイムの燃料ガス温度データを受け取るステップを含む、方法。 
【選択図】      図１
Patent JP-2022540974-A (JP)
Title: 通信方法、通信デバイス及びコンピュータプログラム
IPC: H04L27/26
Filed: 2019-05-29
Abstract: 本開示の実施形態は、通信に用いられる方法、デバイス及びコンピュータ可読媒体に関する。通信方法は、第１デバイスにおいて、第２デバイスから制御情報を受信することと、前記制御情報から送信制御指示（ＴＣＩ）コードポイントを決定し、前記ＴＣＩコードポイントが、物理共有チャネルで前記第２デバイスとデータ通信をするために使用される第１ＴＣＩ状態及び第２ＴＣＩ状態を少なくとも示すことと、前記データの所定の数の繰り返しが前記制御情報によってスケジューリングされるように設定されることに応じて、前記第２デバイスと前記データの繰り返しを通信するために第１設定を決定し、前記第１設定が前記データの繰り返しに前記第１ＴＣＩ状態及び前記第２ＴＣＩ状態を割り当てることと、前記第１設定に少なくとも基づいて、前記物理共有チャネルで前記第２デバイスと前記データの繰り返しを通信することと、を含む。【選択図】図６
Patent JP-2022535420-A (JP)
Title: 宿主細胞によって産生される非分解生化合物の収率と生産性とを脱共役させるための方法
IPC: C12N1/19
Filed: 2020-06-05
Abstract: 宿主細胞によって産生されるイソプレノイド化合物の収率と生産性とを脱共役するための組成物および方法が提供される。いくつかの実施形態において、クエン酸回路（ＴＣＡ）におけるフラックスが減少するように宿主細胞を遺伝子改変することで、収率と生産性とを脱共役する。他の態様において、宿主細胞内のＡＴＰのレベルを低下させることで、収率と生産性とを脱共役する。
Patent JP-2023544463-A (JP)
Title: Ｒｐａデータを表わすための企業プロセスグラフ
IPC: G06Q10/0633
Filed: 2021-10-26
Abstract: 企業プロセスグラフを生成するためのシステム及び方法が提供される。複数の発見技術を使用して取得されるＲＰＡ（ロボティックプロセスオートメーション）の実装に関するプロセスデータのセットが受信される。ＲＰＡの実装を表わす企業プロセスグラフは、受信されたプロセスデータのセットに基づいて生成される。
Patent JP-2022537306-A (JP)
Title: 電子組立体及び端末機器
IPC: H05K7/20
Filed: 2020-05-22
Abstract: 本願の実施例は電子機器の技術分野に関し、電子組立体（１０）を開示する。前記電子組立体（１０）は、電磁モジュール（１１）と、前記電磁モジュール（１１）の一方側に設置されたハウジング（１２）と、を含み、さらに、前記ハウジング（１２）に設けられた熱伝導シート（１３）を含み、前記熱伝導シート（１３）には、前記電磁モジュール（１１）に対応する貫通孔（１３０）と、前記熱伝導シート（１３）を厚み方向に貫通しかつ前記貫通孔（１３０）と前記熱伝導シート（１３）の縁部とを連通する溝（１３１）とが開けられている。本願はまた、前記電子組立体を有する端末機器を提供する。【選択図】図１
Patent JP-2022538087-A (JP)
Title: 組換えヒトコラーゲン及びその構築方法
IPC: C12P21/02
Filed: 2020-06-09
Abstract: 本発明は、アミノ酸配列がＳＥＱ ＩＤ ＮＯ．１（ＧＰＡＧＡＲＧＮＤＧＡＴＧＡＡＧＰＰＧＰＴＧＰＡＧＰＰＧＦＰ）である組換えヒトコラーゲン及びその構築方法を開示する。該組換えヒトコラーゲンは、シグナルペプチド及び膜貫通構造のない新規親水性タンパク質であり、該タンパク質は抗原決定基がなく、ヒトに適用しても免疫拒絶反応を引き起こすことがない。本発明は、更に、該免疫原性の低い親水性組換えヒトコラーゲンの構築及び合成方法を開示する。本発明で合成された組換えヒトコラーゲンは、純度が高く、ウイルス上の懸念がなく、発現量が高い。該タンパク質は、バイオ医薬、再生医療、組織工学及び美容、ヘルスケア、化粧品等の関連製品に広く適用可能である。【選択図】図４
Patent JP-2022539109-A (JP)
Title: 窓枠フレームの排水孔に設置される防虫キャップ
IPC: E06B7/14
Filed: 2020-01-08
Abstract: 本発明は、窓枠フレームの排水孔に設置される防虫キャップに関し、これを実現するための本発明は、底面が開放され、内部に所定の大きさの空間部を有する筐体の前面に、前記排水孔と連通する開口部が形成され、前記筐体の両側面及び上面に多数の通孔が形成されて、前記排水孔の内側に設置される内部キャップと、ボディーの前面中心部に前記排水孔と連通する孔が形成され、前記ボディーの後面の両側には一対の係止片が突出形成され、前記係止片には、前記排水孔の内側周縁部が嵌合されて固定される係止部と、前記開口部の内側周縁部が嵌合されて固定される嵌合部とが順に形成されて、排水孔の外側に設置される外部キャップとを含んで構成されたことを特徴とする。
Patent JP-2022538168-A (JP)
Title: 体液中の分析物の濃度を判定する方法、および体液中の分析物の濃度を判定するために構成されたモバイル装置
IPC: G01N21/78
Filed: 2020-06-23
Abstract: カメラ（１１２）を有するモバイル装置（１１０）を使用することによって体液中の分析物の濃度を判定する方法が提案される。本方法は、以下のステップを含む。ａ）カメラ（１１２）を使用することによってオブジェクト（１１８）の少なくとも１つの関心領域（１１６）の一連の較正画像（１１４）を撮像することであって、較正画像（１１４）は、輝度がそれぞれ異なる、一連の較正画像（１１４）を撮像すること、ｂ）ステップａ）において撮像された一連の各較正画像（１１４）から、モバイル装置（１１０）のトーンマッピング関数に特徴的な少なくとも１つの主要な較正図（１３７）を導出すること、ｃ）ステップａ）において撮像された一連の較正画像（１１４）からの主要な較正図（１３７）を考慮に入れることによって、モバイル装置（１１０）の少なくとも１つの可能性のあるトーンマッピング関数（１２０）を判定すること、ｄ）光学試験ストリップ（１２４）の試験フィールド（１２２）の少なくとも一部の少なくとも１つの分析画像を撮像することであって、試験フィールド（１２２）には体液が塗布されている、少なくとも１つの分析画像を撮像すること、およびｅ）モバイル装置（１１０）の可能性のあるトーンマッピング関数（１２０）を考慮に入れることによって、試験フィールド（１２２）の分析画像から体液中の分析物の濃度を判定すること。
Patent JP-2022541393-A (JP)
Title: 医療用拡張器、並びに医療的拡張のためのシステム、方法、及びキット
IPC: A61M29/00
Filed: 2020-07-17
Abstract: 医療用拡張器は、近位端部分、対向する遠位端部分、及び近位端部分から遠位端部分まで細長い部材を通って延在するルーメンを有する細長い部材を含む。拡張先端部は、遠位端部分にある。拡張先端部は、拡大された断面領域の第１の端部を有し、減少した断面領域の第２の端部へと遠位方向に向かって先細になる。少なくとも第１の電極は、拡張先端部に関連付けられている。電気伝導体は、第１の電極に電気的に接続され、電気解剖学的マッピングシステムと電気的に接続するために、第１の電極から近位端部分に向かって近位に延在する。【選択図】図１
Patent JP-2022051740-A (JP)
Title: Polyurethane cmp pads having high modulus ratio
IPC: H01L21/304
Filed: 2022-01-04
Abstract: PROBLEM TO BE SOLVED: To provide a chemical-mechanical polishing pad comprising a polyurethane polishing layer having a high storage modulus at a low temperature and a low storage modulus at a high temperature. 
     SOLUTION: For example, disclosed pad embodiments may be fabricated from a thermoplastic polyurethane having a ratio of a storage modulus at 25°C to a storage modulus at 80°C of 50 or more. The thermoplastic polyurethane polishing layer may further optionally have Shore D hardness of 70 or more, tensile elongation of 320 percent or less, a storage modulus at 25°C of 1200 MPa or more, and/or storage modulus at 80°C of 15 MPa or less. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023059786-A (JP)
Title: fluid heater
IPC: F24H1/10
Filed: 2022-01-07
Abstract: PROBLEM TO BE SOLVED: To provide a fluid heater which achieves improvement of heating efficiency of a heated fluid. 
     SOLUTION: A fluid heater 1 includes: a case 100 provided with a passage of a heated fluid; and a cylindrical heater 10 disposed within the passage. The cylindrical heater has: a first coil part 12a in which a sheath heater is wound with a first wound diameter; and a second coil part 12b in which the sheath heater is wound with a second wound diameter larger than the first wound diameter. Cross sections of the sheath heater of the first and second coil parts are alternately arranged along a center axis direction. At least a part of the passage is provided between an inner peripheral surface of an external cylinder 120 which houses the first and second coil parts at the inner diameter side and an outer peripheral surface of an internal cylinder 130 inserted into the inner diameter side of the first and second coil parts. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023102570-A (JP)
Title: Individualized body forming laminate film and manufacturing method therefor, and semiconductor device manufacturing method
Inventor: HASHIMOTO YUKI
IPC: H01L21/52
Filed: 2022-01-12
Abstract: To provide an individualized body forming laminate film comprising an individualized body forming film to be diced into a plurality of individual pieces, where failures in dicing and individualizing an individualized body forming film can be sufficiently suppressed.SOLUTION: There is disclosed an individualized body forming laminate film 10 comprising a first support film 1a, a first adhesive layer 1b that is a pressure-sensitive type adhesive layer, an individualized body forming film D to be diced into a plurality of individual pieces, a second adhesive layer 2b, and a second support film 2a in this order. The individualized body forming film D is a film including a thermosetting resin layer D1 and a rigid material layer D2 having rigidity higher than that of the thermosetting resin layer D1. The rigid material layer D2 of the individualized body forming film D is laminated on the first adhesive layer 1b.SELECTED DRAWING: Figure 1
Patent JP-2023103586-A (JP)
Title: Maintenance method of liquid discharge device
Inventor: YOSHIDA KOTARO
IPC: B41J2/165
Filed: 2022-01-14
Abstract: To suppress discharge amounts of liquid in a flushing process.SOLUTION: In a maintenance method of a liquid discharge device, which comprises a nozzle for discharging liquid, a pressure chamber communicated with the nozzle and a driving element that varies pressure of liquid in the pressure chamber and executes a printing process for making the nozzle discharge liquid in a plurality of consecutive control periods of time, an update process for updating a discharge-control value is executed in each of the plurality of control periods of time, and a flushing process, in which the nozzle is made to discharge liquid with amounts corresponding to the discharge-control value updated by the update process in the last control period of time of the plurality of control periods of time, is executed, after a printing process is completed, where the update process in one control period of time is a process in which a first adjusted value predetermined for the one control period of time is added to the discharge-control value and the discharge-control value is updated to a value based on a calculated value from which is subtracted a second adjusted value predetermined in accordance with amounts of liquid discharged from the nozzle in the one control period of time.SELECTED DRAWING: Figure 11
Patent JP-2023105463-A (JP)
Title: Combustor and oil water heater
Inventor: YAMASHITA YOSHIHIRO
IPC: F23Q3/00
Filed: 2022-01-19
Abstract: To provide a combustor capable of stably performing discharging at the tip of an electrode rod even when oil adheres to the tip of the electrode rod.SOLUTION: A combustor comprises a first electrode rod having a first tip, a second electrode rod having a second tip, an auxiliary electrode, and a nozzle having an ejection port for ejecting liquid fuel. The first electrode rod and the second electrode rod are arranged so that the first tip and the second tip face each other with a space therebetween and the first tip and the second tip face the ejection port with a space therebetween. The auxiliary electrode is connected to the second electrode rod. The minimum distance between the auxiliary electrode and the first electrode rod is larger than the distance between the first tip and the second tip. The minimum distance between the auxiliary electrode and the nozzle is larger than the distance between the first tip and the second tip.SELECTED DRAWING: Figure 1
Patent JP-2022058684-A (JP)
Title: Testosterone ester triglyceride formulations
IPC: A61K47/14
Filed: 2022-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a photostability testosterone ester pharmaceutical formulation for parenteral administration. 
     SOLUTION: A pharmaceutical formulation for parenteral administration comprises: a testosterone ester of Formula 1, in combination with a triglyceride having an acyl group corresponding to linoleic acid, oleic acid, palmitic acid, ricinoleic acid, linolenic acid, and stearic acid; and an antioxidant. [in the formula, R 1  represents an alkyl group or an alkenyl group. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023106687-A (JP)
Title: Composition for washing hair and method for washing hair
Inventor: OKA NAOTERU
IPC: A61K8/46
Filed: 2022-01-21
Abstract: To provide a composition for washing hair which has an excellent touch feeling of the hair subjected to hair treatment after washing with the composition for washing hair (a touch feeling of the hair after being subjected to hair treatment) and to provide a method for washing hair using the composition for washing hair.SOLUTION: There are provided: a composition for washing hair obtained by blending the following (A), (B) and (C): (A) acylmethyltaurine or a salt thereof, (B) a polyoxyethylene alkyl ether carboxylic acid or a salt thereof and (C) one or more selected from a fatty acid amidopropyl betaine and an alkyl dimethylamino acetate betaine, wherein the mass ratio of the blending amount of an anionic surfactant to the blending amount of an amphoteric surfactant is 1.8 or less; and a method for washing hair using the composition for washing hair.SELECTED DRAWING: None
Patent JP-2023108091-A (JP)
Title: Method, device and program for estimating shape of outer periphery of press molded product
Inventor: URABE MASAKI
IPC: B21D22/00
Filed: 2022-01-25
Abstract: To provide a method, a device and a program for estimating a shape of an outer periphery of a press molded product which compare a shape of an outer periphery of a first press molded product with a shape of an outer periphery of a second press molded product which are press molded under different molding conditions, using the same metal mold or metal molds having the same shape, so as to estimate the respective shapes.SOLUTION: A method for estimating a shape of an outer periphery of a press molded product according to the present invention includes: a step (S1) of obtaining, as a shape of an outer periphery of a first press molded product 11, a shape of an outer periphery of a work-piece bottom dead point shape model 17 of the first press molded product obtained by dynamic analysis in a process for tucking the first press molded product 11 sprung back up to a molding bottom dead point; a step (S3) of obtaining, as a shape of an outer periphery of a second press molded product 21, a shape of an outer periphery of a work-piece bottom dead point shape model 27 of the second press molded product obtained by dynamic analysis in a process for tucking the second press molded product sprung back up to the molding bottom dead point; and a step (S5) of comparing the shape of the outer periphery of the first press molded product 11 with the shape of the outer periphery of the second press molded product 21, so as to estimate the respective shapes.SELECTED DRAWING: Figure 1
Patent JP-2022117490-A (JP)
Title: CT system
Inventor: MICHAEL SALAMON
IPC: G01N23/046
Filed: 2022-01-28
Abstract: To provide a concept for computer tomography (2D and 3D) of very large and/or long objects, such as vehicles in their natural positions on the road, while maintaining high spatial resolution at the same time.SOLUTION: CT system (10) is provided, comprising an X-ray source (14) and an X-ray detector (12) arranged opposite the X-ray source. The X-ray detector (12) and the X-ray source (14) are rotatable about at least one rotation center (17) via rotating means, the X-ray detector (12) being arranged such that a distance (17_14_a) between the at least one rotation center (17) and the X-ray source (14) is different from a distance (12_17_a) between the at least one rotation center (17) and the X-ray detector (12) by a factor of at least two.SELECTED DRAWING: Figure 1a
Patent JP-2022140297-A (JP)
Title: Liquid discharge device, head maintenance method, and head cleaning jig
Inventor: Kashiwagi Kenta
IPC: B41J2/165
Filed: 2022-02-01
Abstract: To provide a device which achieves improvement of a cleaning function of a head side surface.SOLUTION: A liquid discharge device includes: a head 10 which discharges a liquid to a cloth 400; and a head cleaning jig 600 which may be detachably attached to a receiving member 49 in place of a platen member 40 for holding the cloth 400. The head cleaning jig 600 includes a first cleaning member 602 which cleans the head 10 on a jig body 601. The first cleaning member 602 has a convex shape on a cross section along a main scanning direction X, has a stepped shape on a cross section along a head moving direction, and simultaneously contacts with a longitudinal side surface 110b and a longitudinal surface 110a of the cover member 110 during cleaning.SELECTED DRAWING: Figure 5
Patent JP-2022068296-A (JP)
Title: Anti-CD112R Compositions and Methods
IPC: C12N5/10
Filed: 2022-02-18
Abstract: PROBLEM TO BE SOLVED: To provide anti-CD112R antibody compositions and their use in treating cancer. 
     SOLUTION: In some embodiments, an isolated anti-CD112R antibody is provided. Such isolated anti-CD112R antibody binds to human CD112R, wherein the antibody blocks the binding interaction between human CD112 and human CD112R and does not block the binding interaction between mouse CD112 and mouse CD112R, and the antibody is optionally fully human or humanized. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022075676-A (JP)
Title: Devices and methods for treatment of tissue
IPC: A61N5/067
Filed: 2022-02-21
Abstract: PROBLEM TO BE SOLVED: To provide systems, methods and devices suitable for treatment of tissue. 
     SOLUTION: A system includes an elongate tube with a distal portion. A treatment element is positioned on the elongate tube distal portion, and constructed and arranged to treat target tissue. In one embodiment, gastrointestinal tissue is modified for treatment of diabetes. The embodiments disclosed herein relate generally to systems, devices and methods for treating tissue, particularly gastrointestinal tissue. Methods of treating diabetes are also disclosed. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023122119-A (JP)
Title: Optical fiber cable, and method for manufacturing cable core
Inventor: MATSUURA KOHEI
IPC: G02B6/44
Filed: 2022-02-22
Abstract: To provide an optical fiber cable which suppresses transmission loss of an optical fiber and has high flame retardancy, and a method for manufacturing the optical fiber cable.SOLUTION: A core part 14 is constituted by twisting a plurality of optical fiber units 5 composed of a plurality of coated optical fibers 3. On the outer periphery of the plurality of optical fiber units 5, a wrapping member 7 is provided. The wrapping member 7 is arranged so as to collectively cover the plurality of optical fiber units 5 by vertical double winding. On the outer periphery of the core part 14 (wrapping member 7), a flame-retardant member 17 is provided. The flame-retardant member 17 is arranged so as to collectively cover the core part 14 by vertical double winding. In the flame-retardant member 17, an overlapping part is formed by winding so that ends are overlapped with each other. The overlapped part of the flame-retardant member 17 is spirally arranged in the longitudinal direction of an optical fiber cable 1.SELECTED DRAWING: Figure 4
Patent JP-2023124012-A (JP)
Title: Communication processing method, program, and communication control apparatus
Inventor: OZU TAKASHI
IPC: H04L47/6275
Filed: 2022-02-25
Abstract: To provide a communication control apparatus configured to detect congestion in a communication network early, avoid the congestion early, and maintain and improve overall service continuity of the communication network while satisfying quality request for communication flows, a communication processing method, and a program.SOLUTION: In a communication system, a communication control apparatus 100 determines network condition on the basis of an occupation state of communication data in a communication queue memory, detects, when detecting that an occupation rate of the communication data in the communication queue memory exceeds a predetermined value, early congestion (state indicating a sign of the congestion), and performs, when detecting the early congestion, processing for avoiding the congestion (for example, reducing priority of a predetermined communication flow to avoid congestion), thereby avoiding the congestion early.SELECTED DRAWING: Figure 2
Patent JP-2023124310-A (JP)
Title: Decision-making support system
Inventor: KAGEYAMA KOJI
IPC: G05B23/02
Filed: 2022-02-25
Abstract: To effectively support a user to make a decision.SOLUTION: In an actual results database 21 of a decision-making support system 100, history data concerning previous actual results of each of such factors as an external factor that is a physical quantity determined from an external element, a driving factor that is a physical quantity adjustable by a user, and a driving outcome factor that is a physical quantity determined according to the external factor and driving factor is recorded. A range designation unit 11 specifies any of the factors as a search object item, and designates a data range of the search object item. A search unit 13 specifies in the actual results database 21 a period during which history data in which the values of the search object item designated by the range designation unit 11 fall within the data range is recorded, and searches the actual results database 21 for values of factors other than the search object item recorded during the period.SELECTED DRAWING: Figure 1
Patent JP-2023125249-A (JP)
Title: Correction device and correction method for slab temperature model, furnace temperature control device and furnace temperature control method for heating furnace and manufacturing method of steel plate
Inventor: OGASAWARA TOMOYOSHI
IPC: C21D11/00
Filed: 2022-02-28
Abstract: To provide a correction device and a correction method, etc. for a slab temperature model capable of accurately predicting a temperature distribution including a lengthwise direction and a thickness direction in at least a width central part of a slab at extraction of a heating furnace.SOLUTION: A correction device 10 for a slab temperature model corrects, at a model correction part 14, a heat release amount Qskd at a heating furnace skid included in a thermal conduction equation composing a slab temperature model, to be used in an extraction temperature calculation part 12, so that a deviation e is below a threshold value ε, the deviation e between: a temperature difference Tcal_diff of a temperature Tcal_skid at a position in a lengthwise direction corresponding to a heating furnace skid of a slab S and a temperature Tcal at a position in a lengthwise direction corresponding to an interval between heating furnace skids, outputted from a crude temperature calculation part 13; and a temperature difference Tact_diff of a temperature Tact_skid at the position in the lengthwise direction corresponding to the heating furnace skid of the slab S and a temperature Tact at the position in the lengthwise direction corresponding to the interval between heating furnace skids, acquired at a crude temperature acquisition part 11.SELECTED DRAWING: Figure 2
Patent JP-2022071053-A (JP)
Title: Compounds and methods for modulation of dystrophia myotonica-protein kinase (dmpk) expression
IPC: A61P21/02
Filed: 2022-02-28
Abstract: PROBLEM TO BE SOLVED: To provide methods, compounds and compositions for reducing expression of a DMPK mRNA and protein in an animal; and methods, compounds and compositions for preferentially reducing CUGexp DMPK RNA, reducing myotonia or reducing spliceopathy in an animal. 
     SOLUTION: A compound comprises a modified oligonucleotide consisting of 10-30 linked nucleosides and having a nucleobase sequence comprising a complementary region comprising at least 8 contiguous nucleobases complementary to a target region of equal length of a DMPK nucleic acid. A method of treating DM1 in an animal comprises administering the compound to an animal in need thereof. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023127230-A (JP)
Title: Packet transfer system that implements handover using ring network that employs lower address storage method
Inventor: TATSUNO HIDEO
IPC: H04L12/42
Filed: 2022-03-01
Abstract: To provide a packet transfer system which implements handover of a radio system at a low cost and a high speed.SOLUTION: A packet transfer system is configured to: add a bit indicating a duplicate lower address to a packet when an erasure lower address storage memory stores a lower address of a transmission source MAC address of the packet via a destination base station from a mobile terminal, the packet having arrived at a node device; store the lower address of the transmission source MAC address of the packet in a lower address memory that designates packet transmission to the outside of a ring when the lower address is not stored in the erasure lower address storage memory; transmit the packet forward of the counterclockwise-turning ring; erase the lower address when the lower address of the transmission source MAC address of the packet is stored in the lower address memory which designates packet transmission to the outside of the ring; store the lower address in the erasure lower address storage memory; add a bit indicating the duplicate lower address to the packet; and transmit the packet forward of the counterclockwise-turning ring.SELECTED DRAWING: Figure 1