baber/WOPTO huggingface dataset:
Patent JP-2022087978-A (JP)
Title: Position attitude calculation device, position attitude calculation method and surveying device
Inventor: SUZUKI RYOGA
IPC: G01C15/00
Filed: 2020-12-02
Abstract: To provide a position attitude calculation device and a position attitude calculation method which can calculate the attitude of a movable body without being mounted with an attitude detector.SOLUTION: A position attitude calculation device comprises: a stereo camera imaging unit 4; a position information acquisition unit which acquires position information indicating each of a plurality of measurement results by a measurement unit 2 being a total station measurement unit 2 that calculates the position and attitude of a movable body 1 and measures the position of a reflection material 3 multiple times; a stereo image information acquisition unit; an information extraction unit which extracts an information pair being a set of position information and image information in which the measurement timing of the position by the measurement unit 2 is in synchronization with the imaging timing of a survey target by the imaging unit 4 from the plurality of pieces of position information acquired by the position information acquisition unit and the plurality of pieces of image information acquired by the image information acquisition unit; and a position attitude calculation unit which calculates the position of the movable body 1 and the attitude of the movable body 1 from the information pair extracted by the information extraction unit.SELECTED DRAWING: Figure 1
Patent JP-2021040162-A (JP)
Title: Substrate liquid treatment device, substrate liquid treatment method and storage medium
Inventor: TSUCHIYA TAKAFUMI
IPC: H01L21/306
Filed: 2020-12-03
Abstract: To provide a substrate liquid treatment device useful for preventing treatment liquids from entering a nozzle for supplying a gas to the treatment liquids.SOLUTION: A substrate liquid treatment device A1 comprises: a treatment tank 41; a substrate lifting mechanism 36; a treatment liquid supply part 44 for supplying treatment liquids 43 to inside the treatment tank 41; a treatment liquid discharge part 67 for discharging the treatment liquids 43 from inside the treatment tank 41; gas nozzles 70 for discharging a gas at a lower part of the treatment tank 41; a gas supply part 89 for supplying a gas to the gas nozzles 70; and a control part 7 for controlling the gas supply part 89 so as to increase gas supply quantity during rising of a liquid level of the treatment liquids 43 from a first height H1 under the gas nozzles 70 to a second height H2 capable of immersing a substrate 8 and decrease gas supply quantity during lowering of the liquid level from the second height H2 to the first height H1.SELECTED DRAWING: Figure 2
Patent JP-2021089284-A (JP)
Title: Method for continuous production of optical fiber conductor sensor mounted in perforated metal hollow profile
Inventor: RALF EGERER
IPC: B23K26/262
Filed: 2020-12-04
Abstract: To provide a method for continuous production of an optical fiber waveguide sensor mounted in a perforated metal hollow profile.SOLUTION: A method includes: a step of locating a protective tube which reaches a tip of a perforated point on a drawing side, in a welded metal hollow profile; a step (111) of feeding one or a plurality of fiber waveguides through one or a plurality of fiber unwinders, the one or more fiber waveguides being introduced downstream of the perforated point in a drawing direction, from a guide or the protective tube, into the perforated metal hollow profile; and a step (124) of receiving the perforated metal hollow profile with the one or more fiber waveguides mounted therein, in a receiving unit (25).SELECTED DRAWING: Figure 3
Patent JP-2021096244-A (JP)
Title: RF tag position detector
Inventor: MAEDA TAKAYUKI
IPC: G01S5/04
Filed: 2020-12-07
Abstract: To provide an RF tag position detector that detects the three-dimensional position of an RF tag in an RFID system.SOLUTION: The RF tag position detector comprises: a housing; an antenna unit 3 including a plurality of array antennas 23 provided with a plurality of antenna elements arrayed in planar form, each array antenna 23 being arranged in the housing so as to be in the same plane; arrival direction detection means 11 for estimating, with regard to the respective array antennas 23 in the antenna unit 3, the arrival direction of arriving wave, on the basis of the received signals of arriving radio waves from RF tags 4 having been received by the array antennas 23 and the response characteristic function to the received signals of the array antennas 23; and tag position calculation means 12 for calculating the relative coordinate to the antenna unit 3 of the RF tags 4 having emitted the arriving radio waves, on the basis of the arrival directions of arriving radio waves at the respective array antennas 23 which are estimated by the arrival direction estimation means 11 and the relative position coordinate of each array antenna 23.SELECTED DRAWING: Figure 1
Patent JP-2021105987-A (JP)
Title: Interactive object selection
Inventor: ASMA REJEB SFAR
IPC: G06T7/11
Filed: 2020-12-09
Abstract: To provide a computer-implemented method of machine-learning including providing a dataset of 3D point clouds.SOLUTION: In the method of machine-learning, each 3D point cloud including at least one object is equipped with a specification of one or more graphical user interactions each representing a respective selection operation of the same object in the 3D point cloud. The method further includes learning, based on the dataset, a neural network configured for segmenting an input 3D point cloud including an object. The segmenting is based on the input 3D point cloud and on a specification of one or more input graphical user interactions each representing a respective selection operation of the object in the 3D point cloud.SELECTED DRAWING: Figure 1
Patent JP-2021122727-A (JP)
Title: Program, terminal, game management device, game system and game method
Inventor: KOTANI HIDETO
IPC: A63F13/80
Filed: 2020-12-10
Abstract: To provide a program capable of enhancing game amusement.SOLUTION: A program of the present invention causes a computer to execute a deck setting process for setting a deck that is composed of a plurality of game elements owned by a player and includes at least a first game element and a second game element, a deck selection process that accepts the selection of a deck to be used, a game element selection process that accepts the selection of the first game element and the second game element among the plurality of game elements constituting the selected deck, a generation process that receives the selection of the first game element and the second game element and generates a third game element of a predetermined display form, and a usage control process that receives the selection of the first game element and the second game element and controls the use of the third game element and the selected first game element and second game element. The first game element and the third game element belong to the same group, and the first game element and the second game element do not belong to the same group.SELECTED DRAWING: Figure 5
Patent JP-2022092694-A (JP)
Title: Emergency temporary bridge and construction method thereof
Inventor: MURAKAMI YUICHI
IPC: E01D6/00
Filed: 2020-12-11
Abstract: To provide a bridge that can be urgently constructed for making available to lifesaving, resource transportation, etc. when a flood disaster occurs due to a typhoon, etc.SOLUTION: A emergency temporary bridge has truss main members 25 and floor slabs 22 where both sides are held by bottom chords 21 of the truss main members 25, and comprises multiple truss units 20 that constitute truss frames T by being connected across span length of a bridge, air tubes 11 extending so as to connect between upper end vertices of the truss units 20, and fulcrum members 14 and 15 of the bridge. A temporary bridge 10 supported with the fulcrum members 14 and 15 is formed by gradually revolving in association with expansion and extension of the air tubes 11 and extending and elongating the truss frames T, from the state in which it is revolved and put together around connection points of ends of the bottom chords 21 and it is placed at a construction origin position.SELECTED DRAWING: Figure 1
Patent JP-2022093072-A (JP)
Title: Rotary compressor
Inventor: HAMAGUCHI FUMIYA
IPC: F04C18/356
Filed: 2020-12-11
Abstract: To facilitate a process of manufacturing a bearing, etc.SOLUTION: A rotary compressor 1 includes: a closed housing 2 constituting an outer shell; an electric motor 5; a compression mechanism 6 accommodated in the closed housing 2 and compressing a refrigerant by using driving force from the electric motor 5; and a driving shaft 14 coupling the electric motor 5 and the compression mechanism 6 and rotating about a central axial line extending in the vertical direction. The compression mechanism 6 includes: an upper rotor 33 coupled to the driving shaft 14 and accommodated in an upper cylinder chamber 31; an upper cylinder body part 34 partitioning a radial outer side of the upper cylinder chamber 31; and an upper bearing part 35 rotatably supporting the driving shaft 14 and partitioning the vertical direction of the upper cylinder chamber 31. The refrigerant is compressed between the rotating upper rotor 33 and the upper cylinder body part 34, and the upper bearing part 35 and the upper cylinder body part 34 are formed of a composite material formed by reinforcing resin by using reinforced fiber.SELECTED DRAWING: Figure 1
Patent JP-2022096339-A (JP)
Title: Semiconductor storage device
Inventor: UMEZAWA YUSUKE
IPC: G11C16/30
Filed: 2020-12-17
Abstract: To provide a favorably controllable semiconductor storage device.SOLUTION: A semiconductor storage device includes: a first conductive layer; a first semiconductor layer 120 and a second semiconductor layer 120 which oppose the first conductive layer; a first charge storage part which is provided between the first conductive layer and the first semiconductor layer 120; a second charge storage part which is provided between the first conductive layer and the second semiconductor layer 120; a first bit line BL1 which is electrically connected to the first semiconductor layer 120; and a second bit line BL0 which is electrically connected to the second semiconductor layer 120. A distance Y20 from a central position YBLK of the first conductive layer to the second semiconductor layer 120 is smaller than a distance Y21 from the central position YBLK of the first conductive layer to the first semiconductor layer 120. Moreover, a voltage VBL20 of the second bit line BL0 upon executing reading operation on a first memory cell including the first charge storage part and a second memory cell including the second charge storage part is greater than a voltage VBL21 of the first bit line BL1.SELECTED DRAWING: Figure 23
Patent JP-2022096433-A (JP)
Title: Vapor weeding nozzle
Inventor: TANIGAWA HIKARU
IPC: A01M21/04
Filed: 2020-12-17
Abstract: To provide a vapor weeding nozzle having high treatment effect on a weed prevention treatment for a certain area, by easily making a nozzle cover stick to the ground to prevent vapor leakage and securing diffusion of vapor inside the nozzle cover.SOLUTION: A vapor weeding nozzle to be used in a weeding device using vapor comprises: a nozzle cover that has an opening on its bottom surface and creates a closed space between the nozzle cover and a ground surface; a nozzle gun part for supplying vapor generated by a vapor generator into the nozzle cover; and a pressing part attached to an upper part of the nozzle cover. Inside the nozzle cover, a vapor diffusion member enabling vapor circulation is provided. The vapor diffusion member forms a first space between the vapor diffusion member and the nozzle cover. The vapor diffusion member forms a second space between the vapor diffusion member and the ground surface. On a part of the nozzle cover in contact with the first space, a vapor inflow port is formed. On the bottom surface of the nozzle cover, a cover edge part formed on the same plane is provided.SELECTED DRAWING: Figure 2
Patent JP-2022096539-A (JP)
Title: Image forming apparatus
Inventor: HAGIWARA HIROSHI
IPC: G03G21/00
Filed: 2020-12-17
Abstract: To achieve both accurate detection of sheet characteristics of a recording material and detection of an operation sound.SOLUTION: An image forming apparatus comprises: a cassette tray 101 on which sheets 2 are placed; a feeding roller 104 that feeds the sheets 2 from the cassette tray 101; a process cartridge 22 that forms images on the sheets 2; a transmission unit 31 that transmits ultrasonic waves; a receiving unit 71 that receives the ultrasonic waves transmitted from the transmission unit 31 or an operation sound generated during image formation; a basis weight detection control unit 302 that detects the basis weight of the sheets 2 based on output from the receiving unit 71; an operation sound detection control unit 305 that detects the operation sound based on the output from the receiving unit 71; and a receiving mode selection unit 301 that selects, for every sheet 2, a basis weight detection instruction to the basis weight detection control unit 302 or an operation sound detection instruction to the operation sound detection control unit 305 and transmits the selected instruction to the receiving unit 71. The receiving mode selection unit 301 selects the interval between the sheets 2 for which the operation sound detection instruction is selected such that the interval and the period of the sheet characteristics of the sheets 2 placed on the cassette tray 101 do not continuously overlap each other.SELECTED DRAWING: Figure 7
Patent JP-2022100902-A (JP)
Title: Grip forceps
Inventor: SATO MASAMI
IPC: A61B17/28
Filed: 2020-12-24
Abstract: To provide a grip forceps that can achieve single-hole lung partial surgery for resecting a lung tumor from a single wound.SOLUTION: A grip forceps 1 includes: a pair of handle members 2, 3; and a grip member 20. The pair of handle members 2, 3 is connected in a mutually turning manner. The closing operation of closing an interval of each first other end 2b, 3b is performed when an interval between each first one end 2a, 3a is closed. The opening operation of opening the interval of the first other end 2b, 3b is performed when the first one end 2a, 3a is opened. The grip member 20 is connected with the pair of handle members 2, 3, when inserted between the first other end 2b, 3b, and the closing operation is performed. The connection with the pair of handle members 2, 3 is released when the opening operation is performed. The grip member 20 is imparted of elastic force for gripping a target. When the closing operation is performed further while being connected with the pair of handle members 2, 3, the reaction force to the elastic force is imparted from the pair of handle members 2, 3.SELECTED DRAWING: Figure 1
Patent JP-2022100932-A (JP)
Title: Silica fine particle dispersion and method for producing the same
Inventor: TAWARASAKO YUJI
IPC: C01B33/141
Filed: 2020-12-24
Abstract: To provide a silica fine particle dispersion containing no impurities which can be preferably used as an abrasive.SOLUTION: A silica fine particle dispersion is obtained by dispersing silica fine particles satisfying the following 1) and 2) in a solvent. 1) The ratio (SB/SC) between a specific surface area (SB) measured by the nitrogen adsorption method of the silica fine particles and a specific surface area (SC) obtained from the following formula [SC(m2/g)=6000/Dp(nm) ρ] of the silica fine particles is in the range of 0.9 to 1.2, provided that Dp is an average particle diameter (nm) obtained from the transmission electron micrograph of the silica fine particles, and ρ is a density of the silica (g/ml). 2) The content of each of the following metal components contained in the silica fine particles per SiO2 is less than 1 ppm (in terms of metal). Metal components: Cu, Ni, Ag, Al, Ca, Cr, Fe, Mg, Na, K, Pb, Ti, and Zn.SELECTED DRAWING: Figure 3
Patent JP-2022102382-A (JP)
Title: Particle separator
Inventor: TAKADA KOJI
IPC: C12M1/00
Filed: 2020-12-25
Abstract: To provide particle separators that enable processing of a large amount of sample liquid in a short time and at high speed with a simple configuration.SOLUTION: A particle separator 10 comprises a first separation unit 20 provided with a DLD microchannel for flowing a sample liquid Sa containing a target particle, and a second separation unit 30 provided with a DLD microchannel for flowing the target particle concentrate Sb discharged from the first separation unit 20. The first separation unit 20 comprises: a sample liquid introduction port 21 into which the sample liquid is introduced, and a DLD flow path unit that has a DLD microchannel structure and flows and separates the sample liquid Sa introduced from the sample liquid introduction port 21 into a liquid in which the concentration of the target particles has increased and a liquid in which the target particles have been almost removed; a target particle concentrate discharge port 22 that discharges a liquid having an increased concentration of target particles as a target particle concentrate Sb; and a target particle removal liquid discharge port 23 that discharges the liquid from which the target particles have been almost removed.SELECTED DRAWING: Figure 1
Patent JP-2022102958-A (JP)
Title: Game machine
Inventor: TSUZUKI KIYOTAKA
IPC: A63F7/02
Filed: 2020-12-25
Abstract: To further enhance interest in a game by executing a variation starting performance and a stop performance using multiple decorative patterns by a new method.SOLUTION: A game machine performs determination regarding whether acquisition information acquired based on detection of game balls by predetermined detection means is specific information and generates a specific state advantageous to a player on the basis of determination that the acquisition information is the specific information. Based on a result of the determination, multiple decorative patterns are displayed variably on a performance display device and then are stopped and displayed, and are stopped and displayed in a specific mode when the acquisition information is the specific information. Further, multiple variation starting performances executable when starting to variably display the multiple decorative patterns are stored, and multiple stop performances executable when stopping and displaying the multiple decorative patterns in a mode differing from the specific mode are stored. When the stop performance is executed when stopping and displaying the multiple decorative patterns, next multiple decorative patterns start to be displayed variably along with execution of a variation starting performance correlated with the stop performance in advance.SELECTED DRAWING: Figure 12
Patent JP-2022102991-A (JP)
Title: Snatch-proof device
Inventor: MAMURO RIKA
IPC: A45C13/00
Filed: 2020-12-27
Abstract: To provide a snatch-proof device for a bag and baggage, a device that is attachable to any baggage and that can prevent in advance, injury due to falling or dragging by a snatcher.SOLUTION: A snatch-proof device includes: a body which has a built-in alarm sound generator and a switch hole; a switch pin which is inserted into the switch hole and which activates the alarm sound generator by being pulled out; first joining means which is provided in the body and which is for joining to an article of a snatching target; and second joining means which is provided in the switch pin and which is for joining to a holder of the article or to clothing of the holder. As a result, if a baggage attached with the snatch-proof device of the present invention is tried to be plundered, the switch pin 2 is pulled out to activate the alarm sound generator, which also reduces a possibility that the holder of the baggage gets injury.SELECTED DRAWING: Figure 1
Patent JP-2020534814-A (JP)
Title: サーファクタントタンパク質ｄ（ｓｐ−ｄ）を調製するための方法、組成物、及び細胞
IPC: C12P21/02
Filed: 2018-09-04
Abstract: 本明細書で提供される方法及び組成物の一部の実施形態は、サーファクタントタンパク質D(SP-D)の調製に関する。一部の実施形態は、ある特定の細胞株におけるヒトSP-Dの発現、及びそのような細胞株からのヒトSP-Dの精製を含む。一部の実施形態は、ヒトSP-Dのある特定のオリゴマー形態の調製を含む。
Patent JP-2020533138-A (JP)
Title: 艶消しゴルフボールのコーティング塗料組成物、艶消しゴルフボール及び製造方法
IPC: C09D167/00
Filed: 2017-09-22
Abstract: 本発明は、艶消しゴルフボールのコーティング塗料組成物であって、カバーのカラー色相がゴルフボールの射出途中に散乱されることにより、カバーが呈する固有色相が発現されなかった問題点を解決し、カバー固有の色相を発現させる艶消しゴルフボールのコーティング塗料組成物と、カバー固有の色相が発現されるとともに、飛距離、回転性、及びコントロール性が改善された艶消しゴルフボール、及び耐候性、耐水性、黄変抵抗性と耐摩耗性に優れた艶消しゴルフボールを製造する方法を提供する効果がある。【選択図】 図１
Patent JP-2020535830-A (JP)
Title: 板状葉刻みタバコを製造する装置及び方法
IPC: A24F40/70
Filed: 2019-05-08
Abstract: 加香器を用いて初期板状葉シート上に加香液を供給し、１次切断機を用いて初期板状葉シートを切断することで、複数枚の中間板状葉シートを製造し、複数個の２次切断機を用いて複数枚の中間板状葉シートを縦方向に切断することで、複数本の板状葉ストランドを製造し、複数個の３次切断機を用いて複数本の板状葉ストランドを横方向に切断することで、複数個の板状葉刻みタバコを製造する方法による板状葉刻みタバコ製造装置を開示する。
Patent JP-2020536792-A (JP)
Title: サスペンションにおけるダンパ摩擦影響の制御
IPC: B60G17/015
Filed: 2017-10-27
Abstract: いくつかの例では、バネ上重量を少なくとも部分的に支持する車両サスペンションは、バネ上重量に接続されたダンパを含み、ダンパは、可動ピストンを含む。車両サスペンションは、アクチュエータおよびコントローラをさらに含む。コントローラは、バネ上重量に関連付けられた運動の周波数を判定するように構成することができる。運動の周波数が第１の周波数閾値を下回る場合、コントローラは、アクチュエータにバネ上重量に減速力を印加させるための制御信号を送信することができる。さらに、バネ上重量に関連付けられた運動の周波数が第１の周波数閾値を超える場合、コントローラは、制御信号を送信して、アクチュエータにバネ上重量に補償力を印加させることができる。例えば、補償力の大きさは、ダンパについて判定された摩擦力に基づくことができる。
Patent JP-2021500219-A (JP)
Title: 一体型膜モジュールラック
IPC: B01D63/02
Filed: 2018-10-18
Abstract: 流体処理システムは、複数の垂直に配置された円筒形濾過モジュールからなる１つの列を備え、円筒形濾過モジュールは、上端部、下端部、及びシェル内部を有する円筒形シェルと、円筒形シェルの上端部及び下端部に結合された上部ヘッダ及び下部ヘッダとを有する。シェル内部において、中空糸膜は、その端部が上部及び下部チューブシートに埋め込まれており、また端部で開放されている。上部チューブシート、下部チューブシート、及び円筒形シェルの内側表面の間に広がっている中空糸膜の周囲に外部濾液スペースが形成されている。上部及び下部チューブシートとそれぞれのヘッダとの間に上部及び下部ヘッドスペースが形成されている。中空糸膜の管腔は、ヘッドスペースと流体連通している。円筒形シェルは、外部濾液スペースと流体連通し、かつ濾液分岐パイプに接続されている出口ポートを備える。上部ヘッダ同士は、互いに流体接続されており、それにより、上部ヘッダと同じ高さ以上で上記列に沿って延びる上部収集ダクトを形成する。下部ヘッダ同士は、互いに流体接続されており、それにより、下部ヘッダの高さ以下で上記列に沿って延びる下部収集ダクトを形成する。濾液分岐パイプは、上記列の長さ方向に延びている濾液収集パイプに接続されており、かつ濾液収集パイプに開口している。上部収集ダクト及び濾液収集パイプは、上部ヘッダにおいて、円筒形シェルの断面中心に対して偏心して、断面中心に対し互いに異なる側に配置されており、かつ同じ高さで互いに平行に配置されている。
Patent JP-2021503617-A (JP)
Title: ディスプレイドライバ、方法、及び、システム
IPC: G09G5/36
Filed: 2018-11-15
Abstract: ディスプレイドライバが開示される。ディスプレイドライバは、表示パネルに関する曲線を定義する複数の制御点を記憶するように構成されたメモリと、制御点に基づいて、曲線と、表示パネルに関する第１ラインの幅と、の第１交点を決定し、第１交点に基づいて、画像の画像データを修正する、ように構成された形状計算回路部と、を備える。
Patent JP-2021515601-A (JP)
Title: 情報処理方法、装置、記憶媒体及び電子デバイス
IPC: A63F13/426
Filed: 2019-07-25
Abstract: 本開示は、情報処理方法、装置、記憶媒体及び電子デバイスを提供し、人間とコンピュータとのインタラクション技術に関し、この方法は、グラフィカルユーザインターフェースにおいて切替コントロールを提供することと、照準が仮想オブジェクトに位置すると検出した場合、前記仮想オブジェクトのタイプを取得することと、前記仮想オブジェクトのタイプに基づいて、前記ゲームキャラクタが装備している第１の仮想ツールが前記仮想オブジェクトのタイプに合致するかどうかを判定することと、合致しない場合、前記仮想オブジェクトのタイプに基づいて、前記仮想オブジェクトに合致する第２の仮想ツールを取得し、前記第２の仮想ツールを前記切替コントロールの切替対象として設定することと、前記切替コントロールの第１のタッチ操作に応答して、前記ゲームキャラクタが装備している前記第１の仮想ツールを前記第２の仮想ツールに切り替えることとを含む。本開示は、プレイヤに現在インタラクション可能なオブジェクトを切り替えコントロールの表示によって提示し、ゲームキャラクタが装備する仮想ツールの素早い切り替えを実現し、プレイヤのユーザ体験を向上させる。【選択図】図２
Patent JP-2021509604-A (JP)
Title: 電気外科用システムの状況認識
IPC: A61B17/32
Filed: 2018-10-12
Abstract: 外科用器具が開示される。本外科用器具は、超音波ブレード（１３１００４）及びクランプアーム（１３１００２）を備えたエンドエフェクタ（１３１０００）を備える。クランプアームは、開放構成と閉鎖構成との間で異なる閉鎖段階を通してエンドエフェクタを移行させて、超音波ブレードとクランプアームとの間に組織をクランプするように、超音波ブレードに対して移動可能である。本外科用器具は、超音波エネルギー出力を生成するように構成されたトランスデューサと、超音波エネルギー出力を超音波ブレードに伝達するように構成された導波管と、エンドエフェクタの閉鎖段階を示すセンサ信号を伝達するように構成されたセンサと、を更に備える。本外科用器具は、センサ信号を受信し、受信したセンサ信号に基づいてトランスデューサからの異なる超音波エネルギー出力を送達する複数の動作モードから動作モードを選択するように構成された制御回路を更に備える。
Patent JP-2021507424-A (JP)
Title: 車両システムにおけるターゲット車両選択およびメッセージ配信
IPC: H04W4/40
Filed: 2018-01-08
Abstract: 【課題】車両システムにおけるターゲット車両選択およびメッセージ配信。【解決手段】一態様によれば、車両メッセージ配信エンティティによる送信のためにターゲット車両を選択するための方法が提供される。最初に、複数の車両の地図情報および運転コンテキスト情報が、通信システム内の車両メッセージ配信エンティティのデータベース内に維持される。少なくとも運転コンテキスト情報を含む車両メッセージを第１ソース車両から受信すると、車両メッセージ配信エンティティは、前記車両の地理的位置に基づいて、複数の車両から第１ソース車両に近接する１つ以上の車両を選択する。次いで、車両メッセージ配信エンティティは、運転コンテキスト情報および地図情報に基づいて、１つ以上の車両から１つ以上のターゲット車両の第１セットをさらに選択する。最後に、車両メッセージ配信エンティティは、ユニキャスト送信を使用して車両メッセージを第１セットに送信する。【選択図】図３