baber/WOPTO huggingface dataset:
Patent JP-2022532027-A (JP)
Title: エアロゾル生成デバイスとの通信のためのパーソナルコンピューティングデバイスの構成
IPC: A24F40/65
Filed: 2020-03-31
Abstract: エアロゾル生成デバイス（１０２）との通信のためにパーソナルコンピューティングデバイス（１０４）を構成する方法は、プログレッシブウェブアプリケーション（ＰＷＡ）（３２８）を含む。ネイティブアプリケーション（３２６）がパーソナルコンピューティングデバイス（１０４）上でウェブブラウザ（３２４）を起動し、ウェブブラウザ（３２４）がＰＷＡ（３２８）を起動する。ネイティブアプリケーション（３２６）は、ウェブブラウザ（３２４）にリソースを提供し、このリソースが、ネイティブアプリケーション（３２６）への呼び出しに基づいてコマンドを指示することによって、ウェブブラウザ（３２４）がＰＷＡ（３２８）から受信したエアロゾル生成デバイス（１０２）向けの呼び出しをウェブブラウザ（３２４）に処理させる。このコマンドが、パーソナル通信デバイス（１０２）に短距離無線通信接続（１１６）を介してエアロゾル生成デバイス（１０２）と通信させること、をネイティブアプリケーション（３２６）が行うことを可能にする。【選択図】図１
Patent JP-2022530915-A (JP)
Title: サーボモータ駆動回路及び３ｄプリント装置
IPC: B33Y30/00
Filed: 2020-04-03
Abstract: 本願は、サーボモータ駆動回路及び３Ｄプリント装置を提供し、移動コントローラは、タイマーに接続され、タイマーに駆動イネーブル信号を送信するために用いられ、パルス周期提供ユニットは、タイマーと第１の比較ユニットに接続され、各パルス周期の開始時点に、タイマーと第１の比較ユニットにパルス周期値を送信するために用いられ、タイマーは、第１の比較ユニットに接続され、駆動イネーブル信号のイネーブル期間中に、受信されたパルス周期値に応答して初期化を行い、パルス周期値をタイミング周期として周期的なタイミングを行い、タイミング期間を第１の比較ユニットに送信するために用いられ、第１の比較ユニットは、所定のデューティサイクル、パルス周期値及びタイミング期間に基づき、所定のデューティサイクルを満たす現在のレベル情報を取得し、現在のレベル情報に基づいてサーボモータに高レベル又は低レベルの駆動信号を送信するために用いられ、これにより、各パルス周期における駆動信号のデューティサイクルに対する正確な制御は実現され、サーボモータの実行の連続性を向上させる。【選択図】図１
Patent JP-2022530993-A (JP)
Title: プライミング機構を備えたシリンジ
IPC: A61M5/315
Filed: 2020-05-01
Abstract: シリンジが、本明細書で説明される。シリンジは、シリンジ本体、第１のプランジャ、付勢部材、及び保持部材を含む。シリンジ本体は、シリンジ空洞及びシリンジポートを規定し、シリンジポートは、シリンジ空洞と流体連通する。第１のプランジャは、第１のプランジャから延びる第１のプランジャ軸を含み、シリンジ空洞の内部に配設され、シリンジ空洞に第１の室を規定し、第１の室は、シリンジポートと流体連通する。付勢部材は、第１のプランジャ軸に結合され、付勢部材は、第１のプランジャがシリンジポートに向けて前進するのを促す。保持機構は、係合位置において付勢部材が第１のプランジャを前進させるのを防止し、解放位置において付勢部材が第１のプランジャを前進させるのを可能にする。
Patent JP-2022533434-A (JP)
Title: 許容区間の限界を決定するための方法、製造プロセスを評価するための方法、および対応する計算デバイス
IPC: G06F17/18
Filed: 2020-05-25
Abstract: 許容区間（ＴＩ）の限界を決定する方法が開示され、この方法は、－ 複数のサンプル値（ｘ）を提供することであって、サンプル値（ｘ）は変動し、サンプル値分布（３０６、６０２）、を定義し、サンプル値（ｘ）は、サンプルのサンプルアイテムに関係付けられた技術的パラメータの値であり、サンプルアイテムは、薬物送達デバイス（１００）の部材、薬物送達デバイス（１００）のためのアセンブリ、または薬物送達デバイス（１００）であり、サンプルアイテムは同じ構造であり、技術的パラメータは少なくとも１つの技術的限界値によって制限されることと、－ 技術的パラメータおよび／またはサンプル値（ｘ）に応じて、確率分布関数（３０６、６０２）を選択することと、－ 技術的限界値（３０８）を用いて、確率分布関数（３０６、６０２）のためのカットオフ値（ξＬ、ξＲ）を決定することと、－ 許容区間（ＴＩ）のための確率コンテンツ（ｐｃ）を指定することと、－ 変換された確率コンテンツ＜イメージ＞に基づいて、技術的パラメータのための許容区間（ＴＩ）の限界（ＵＴＢＬ、ＬＴＢＬ）を提供することであって、前記変換された確率コンテンツ＜イメージ＞は、カットオフ値（ξＬ、ξＲ）に基づいており、指定された確率コンテンツ（ｐｃ）に基づくことと、を含む。【選択図】図３
Patent JP-2022542759-A (JP)
Title: 矩形衝撃波形の植込型パルス発生器
IPC: A61N1/39
Filed: 2020-07-21
Abstract: 本発明は、電気回路を備える移植可能なパルス発生器に関するものであり、前記電気回路は、以下の構成を有する。一次エネルギー蓄積手段と、少なくとも一つの二次エネルギー蓄積手段と、制御ユニットとを備え、制御ユニットは、パルス送出の第１段階の第１間隔において、一次エネルギー蓄積手段が治療用電流経路を介して放電されるように、電気回路の電気スイッチを作動させ、以下のように電気回路の電気スイッチを作動させるように構成される。前記一次エネルギー源と少なくとも一つの二次エネルギー源が直列に固定接続されており、前記植込型パルス発生器が大概矩形のパルス波形を有する衝撃を与えるように設計されていることを特徴とする。【選択図】図２Ａ
Patent JP-2022542767-A (JP)
Title: コンテンツ配信のためのレイテンシマネジメント
IPC: H04N21/433
Filed: 2020-07-15
Abstract: 本文書は、配信チャネルを介したメディアコンテンツの再生の方法を開示する。配信チャネルは、一般に、音声または映像番組がユーザ（受信者）に配信（送信）されるチャネルを指し得る。メディアコンテンツは、一般に、連続したメディア番組を含み得る。特に、メディアコンテンツ内の特定のメディア番組に対して、その特定のメディア番組に対するそれぞれのコンテンツタイプがまた与えられる。方法は、メディア番組の再生レイテンシに対する影響の受けやすさの指標を受け取ることを含み得る。方法は、メディア番組の少なくとも一部を受信することをさらに含み得る。方法は、メディア番組の再生レイテンシに対する影響の受けやすさの指標に基づいてメディア番組の再生を調整することをさらに含み得る。【選択図】図２
Patent JP-2022538840-A (JP)
Title: 圧電振動子アレイの制御
IPC: H04R3/00
Filed: 2020-06-22
Abstract: 圧電トランスデューサ（１１，１２，１３）のアレイを制御する方法及びシステム。それぞれの駆動信号（Ｖｎ）はトランスデューサに印加される。駆動信号（Ｖｎ）は、一つ以上の駆動周波数で振動する交流成分（Ａ）を備え、音響波（Ｗｎ）を生成するためにトランスデューサに対応する振動を起こさせる。駆動信号（Ｖｎ）の一つ以上は、それぞれのバイアス電圧（Ｂｎ）によりオフセットされる。バイアス電圧（Ｂｎ）は、トランスデューサ間の共振周波数の差を小さくするよう制御される。残存差をなくすために、トランスデューサ（１１，１２）の少なくともサブセットへの交流成分（Ａ）は定期的にリセットされる。このようにして、生じる音響波（Ｗ１，Ｗ２）の位相が同期され得る。【選択図】図５
Patent JP-2022540337-A (JP)
Title: アルカリ金属電気化学セルにおける電解質添加剤による電圧遅延の解消とインピーダンスの安定化
IPC: H01M4/58
Filed: 2020-07-01
Abstract: 本発明は、下記のものに関する：活性電極材料としての、特に活性アノード材料としての、アルカリ金属、及びホウ素化合物を含む電解質、を含む一次電池であって、前記ホウ素化合物が、式（１）、（２）、（３）、（４）、（７）または（８）で表される化合物であることを特徴とする、前記の一次電池。【化１－８】JPEG2022540337000009.jpg125163【選択図】図４
Patent JP-2023099912-A (JP)
Title: Periphery monitoring device for working machine
Inventor: SAKAI SUSUMU
IPC: H04N7/18
Filed: 2022-01-04
Abstract: To provide a periphery monitoring device capable of suitably suppressing contact between a working machine and a person or an obstacle in its periphery while reducing a computational load for image processing.SOLUTION: A periphery monitoring device 100 for a working machine disclosed herein includes: an imaging device 200 that includes one or more stereo cameras 210; a processor 303 that executes predetermined processing on the basis of captured image data representing a captured peripheral image of a work machine 10; and an alarm device 400 that outputs a predetermined alarm signal or/and a predetermined alarm. The processor 303 measures a distance between the work machine 10 and an object in its periphery on the basis of the parallax of a plurality of pieces of stereo image data in which the same area around the work machine 10 is captured. Then, the processor controls the output of the alarm signal or/and the alarm by the alarm device 400 on the basis of the measured distance. At this time, a human image may be extracted from the captured image data using a neural network model generated by deep learning.SELECTED DRAWING: Figure 1
Patent JP-2022064898-A (JP)
Title: Method for applying electrical conductor to solar cell
IPC: B05D3/12
Filed: 2022-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for applying an electric conductor to a solar cell, which reduces disadvantage of known methods. 
     SOLUTION: A method for applying an electrical conductor to a solar cell is disclosed, the method comprising a step of providing a flexible membrane 100 with a pattern of grooves formed on a first surface thereof, and a step of filling the grooves with a composition 140 comprising conductive particles. The composition is or may be made electrically conductive. Once the membrane is filled, the grooved first surface of the membrane is brought into contact with a front surface or/and a back surface of the solar cell. Pressure is then applied between the solar cell and the membrane, and the composition with which the grooves are filled adheres to the solar cell. The membrane and the solar cell are separated and the composition in the grooves is left on a surface of the solar cell. The electrically conductive particles in the composition are then sintered, or fused in another way, to form a pattern of electrical conductors on the substrate, the pattern corresponding to the pattern formed in the membrane. 
     SELECTED DRAWING: Figure 1C 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023102534-A (JP)
Title: Oxychlorination catalyst, and production method of 1,2-dichloroethane using the same
Inventor: MURAKAMI TAKUYA
IPC: B01J27/122
Filed: 2022-01-12
Abstract: To provide a novel oxychlorination catalyst for producing 1,2-dichloroethane useful as a raw material for a vinyl chloride monomer safely and with high activity from ethylene, and a production method of 1,2-dichloroethane using the same.SOLUTION: An oxychlorination catalyst carries at least copper chloride and a chloride of a first group element on the periodic table on an aluminum support, has a hollow cylindrical shape, has pores having a pore diameter in a range of 3-less than 15 nm and pores having a pore diameter in a range of 15-50 nm, and a pore volume of pores of 3-less than 15 nm is 0.21 cm3/g or more and 0.40 cm3/g or less.SELECTED DRAWING: None
Patent JP-2023102710-A (JP)
Title: housing
Inventor: YAMAGISHI TAKUO
IPC: E04H1/02
Filed: 2022-01-12
Abstract: To allow daylighting to each of a lower space portion and an upper space portion partitioned by a skip floor portion while suppressing deterioration of the appearance in a housing provided with the skip floor portion.SOLUTION: A housing 10 includes a skip floor portion 26 provided at a height different from the normal floor height, and an atrium space 19 and a storage space 25 vertically partitioned by the skip floor portion 26. The atrium space 19 and the storage space 25 are adjacent to the outside with an outer wall portion 32 interposed therebetween. The outer wall portion 32 is provided with a lighting window portion 33 extending vertically across the skip floor portion 26 to allow daylighting to each of the atrium space 19 and the storage space 25.SELECTED DRAWING: Figure 6
Patent JP-2023104464-A (JP)
Title: Machine learning data set evaluation support device and machine learning data set evaluation support method
Inventor: KURUMA HIRONOBU
IPC: G06N20/00
Filed: 2022-01-18
Abstract: To configure a sophisticated learning data set that avoids inappropriate learning or lack of learning.SOLUTION: A machine learning data set evaluation support device 100 is configured to include: a learning data set holding unit 116 that holds a learning data set and label information used for supervised machine learning; an inference execution unit 111 that inputs a predetermined evaluation data set to a plurality of learned AI models and obtains a plurality of inference results; a difference analysis unit 113 that analyzes the difference between the inference results from a confidence degree of the inference result and a stability degree of the inference result in each of the plurality of learned AI models; a data evaluation unit 114 that evaluates the evaluation data set based on the analysis results of the difference; and a learning data set editing unit 115 that edits the learning data set and the label information based on the evaluation result of the evaluation data set.SELECTED DRAWING: Figure 1
Patent JP-2023104771-A (JP)
Title: Machine tool system, tool type estimation method, and feature amount extraction method
Inventor: SAITO NAOTO
IPC: G05B19/18
Filed: 2022-01-18
Abstract: To provide a machine tool system capable of easily estimating the type of a tool, a tool type estimation method, and a feature amount extraction method.SOLUTION: A machine tool system 1 comprises a machine tool 10, an acquisition unit 22, and an estimation unit 23. The machine tool 10 processes a workpiece W using a tool 15. The acquisition unit 22 acquires processing data including coordinate data of the tool 15 in processing of the workpiece W. The estimation unit 23 estimates the type of the tool 15 on the basis of the processing data.SELECTED DRAWING: Figure 2
Patent JP-2023105460-A (JP)
Title: Rotary electric machine and rotor of the same
Inventor: SASAKI TOMONORI
IPC: H02K1/276
Filed: 2022-01-19
Abstract: To provide a rotor of a rotary electric machine capable of suppressing eddy current loss, and the rotary electric machine.SOLUTION: A rotor 50 includes a rotor core 60, a plurality of plate-shaped permanent magnets 70, a first end plate 81, and a second end plate 82. When a fitting portion 81a is provided in a first end plate 81, a first end 70a of a permanent magnet 70 is fitted to the fitting portion 81a and a concave portion 82b is disposed at a position facing a second end 70b of the permanent magnet 70 having the first end 70a. When a fitting portion 82a is provided in the second end plate 82, the second end 70b of the permanent magnet 70 is fitted to the fitting portion 82a, and a concave portion 81b is disposed at a position facing the first end 70a of the permanent magnet 70 having the second end 70b. The first end 70a or the second end 70b facing the concave portion 81b or 82b is separated from a surface forming the concave portion 81b or 82b, and located at an opening 81c or 82c of the concave portion 81b or 82b.SELECTED DRAWING: Figure 3
Patent JP-2023105535-A (JP)
Title: air secondary battery
Inventor: OGIWARA KATSUYUKI
IPC: H01M12/08
Filed: 2022-01-19
Abstract: To provide an air secondary battery in which leakage of electrolyte to an air passage through which air passes is prevented.SOLUTION: An air secondary battery comprises: an electrode group including an air electrode 40 and a negative electrode 60 that are overlapped via a separator 50; and a housing that houses together with the electrolyte, electrode group inside the housing. The housing comprises: a flow passage plate 20 having in one surface, an air passage 22 in which air reacted with the air electrode flows; a water-repellent film 30 that blocks the air passage to prevent leakage of the electrolyte to the air passage; and a conductive frame body 32 fixing a fluid-tight passage film to the flow passage plate to enclose the air electrode. The air passage is a groove formed in a region of the frame body on the one surface, a one end portion and the other end portion in a direction where the air flows, of the air passage are positioned in the region. The flow passage plate includes: flow channels 23 and 24 that are formed outside the frame body and communicated with an external portion; and a communication passage 27 that communicates the one end portion of the air passage with the flow channel. The communication passage is formed in a culvert shape in the flow passage plate.SELECTED DRAWING: Figure 1
Patent JP-2022040363-A (JP)
Title: Method carried out by device deriving position of pen and transmitting report indicating the derived position of pen to host computer, and touch controller
IPC: G06F3/041
Filed: 2022-01-20
Abstract: PROBLEM TO BE SOLVED: To enable a host computer to generate stroke data depending on the latest non-position data as far as possible. 
     SOLUTION: A method includes: a step S1 securing a buffer area to preserve multiple reports in a memory; steps S5 and S10 deriving a position of a pen every appointed scan time, generating a report including position data indicating the derived position and accumulating in the buffer area; a step writing non-position data in each of equal to or more than one reports accumulated in the buffer area following acquisition of the non-position data; and a step transmitting multiple reports accumulated in the buffer area to a host computer. 
     SELECTED DRAWING: Figure 6 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022068166-A (JP)
Title: Polyolefin-based multilayer film for agriculture
IPC: B32B27/28
Filed: 2022-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a polyolefin-based multilayer film for agriculture, which has a large difference in transparency at room temperature and transparency at a high temperature of about 50°C, which is inexpensive, and has a high transparency at room temperature. 
     SOLUTION: There is provided a polyolefin-based multilayer film for agriculture, comprising at least an outer layer, an intermediate layer, and an inner layer, in which: the outer layer contains at least one polyethylene-based resin that is selected from a linear low-density polyethylene, a low-density polyethylene, or an ethylene-vinyl acetate copolymer having a vinyl acetate content of 1 to 10 wt.% (based on 100 wt.% of the weight of the ethylene-vinyl acetate copolymer); the intermediate layer contains an ethylene-vinyl acetate copolymer (A) having a vinyl acetate content of 1 to 20 wt.% (based on 100 wt.% of the weight of the ethylene-vinyl acetate copolymer (A)); and the inner layer contains at least one polyethylene-based resin that is selected from a linear low-density polyethylene, a low-density polyethylene or an ethylene-vinyl acetate copolymer having a vinyl acetate content of 1 to 10 wt.% (based on 100 wt.% of the weight of the ethylene-vinyl acetate copolymer). At least the intermediate layer contains at least one kind of aluminosilicate particles, and at least one of the aluminosilicate particles is nepheline syenite. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022044722-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of enhancing interest in a game. 
     SOLUTION: When determination is executed and the determination result is a predetermined determination result, privilege advantageous to a player is granted to the player. As a method of showing the determination result, identification information for showing the determination result is displayed dynamically, and voice is outputted during the dynamic display period. When a dynamic display mode to be displayed dynamically is a predetermined display condition, setting of a specific voice is executed. As a result, a specific voice can be outputted in accordance with the dynamic display mode, thus enhancing interest in a game. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023031211-A (JP)
Title: Risk assessment method for large-diameter cast-in-place pile construction in deep water based on two-dimensional cloud model
Inventor: WANG FEI
IPC: E02D7/00
Filed: 2022-01-25
Abstract: To provide a method for evaluating the risk of large-diameter cast-in-place pile construction in deep water for bridge construction based on a two-dimensional cloud model.SOLUTION: A risk assessment method for large-diameter cast-in-place piles in deep water comprises steps of obtaining a list of risk accidents of large-diameter cast-in-place pile construction in deep water and risk factors that cause each accident, building a hierarchical risk evaluation index system, operating a joint weighted two-dimensional cloud model evaluation method and obtaining the numerical characteristics of each risk cloud based on the risk evaluation index system, inputting the numerical characteristics of the risk cloud into a normal two-dimensional cloud generator to output a risk cloud chart, and adopting a two-dimensional cloud similarity to confirm the risk level, and provides a more systematic and realistically effective assessment.SELECTED DRAWING: Figure 4
Patent JP-2023108513-A (JP)
Title: Hot water supply system
Inventor: FUJISAWA HIROKI
IPC: F24H15/196
Filed: 2022-01-25
Abstract: To provide a hot water supply system enabling use of bath water stored in a bathtub in a clean state for washing without requiring a user to perform a troublesome operation.SOLUTION: A hot water supply system includes: sterilization means capable of sterilizing bath water that is water stored in a bathtub; bath water use time acquisition means capable of acquiring information on a bath water use time that is a time when a washing machine uses the bath water; and control means for controlling a sterilization operation that is an operation for sterilizing the bath water in the bathtub by the sterilization means. The hot water supply system starts the sterilization operation before the bath water use time so as to complete the sterilization operation before the bath water use time.SELECTED DRAWING: Figure 3
Patent JP-2022117959-A (JP)
Title: Graphite structure, cooling device, method for manufacturing graphite structure
Inventor: TOSHINARI SHUHEI
IPC: H01L23/36
Filed: 2022-01-26
Abstract: To provide a graphite structure capable of preventing a metal film covering a graphite member from being deviated or cracked, and a cooling device including the graphite structure.SOLUTION: A heat conductive structure 10 includes a graphite member 11 formed in a rectangular plate shape and a metal film 20 provided so as to cover an entire peripheral surface of the graphite member 11. A coefficient of thermal expansion of the metal film 20 is smaller than that of the graphite member 11 in a first direction. Film stress of the metal film 20 in a lamination direction D11 is tensile stress relative to the graphite member 11.SELECTED DRAWING: Figure 2
Patent JP-2023108781-A (JP)
Title: Vehicular sun visor
Inventor: NAGAE ATSUHITO
IPC: B60J3/02
Filed: 2022-01-26
Abstract: To provide a vehicular sun visor which can inhibit deterioration of design in a vehicle cabin.SOLUTION: A visor body 30 has a pair of first shaft bodies (shaft parts) 38a, 38b respectively protruding in a vehicle width direction from both side surfaces as seen in the vehicle width direction. A ceiling 12 is formed with a recessed part 40 having a pair of side wall parts 44, 46 facing each other in the vehicle width direction. The pair of side wall parts 44, 46 is provided with support parts 50a, 50b in which the first shaft bodies 38a, 38b are fitted and which rotatably support the first shaft bodies 38a, 38b. The pair of support parts 50a, 50b allows the visor body 30 to rotate around a first axis L1 and be retained at an arbitrary attitude between a storage position and a deployment position.SELECTED DRAWING: Figure 4
Patent JP-2022044780-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of increasing a player's interest in a game. 
     SOLUTION: A first area is provided in a first flow path provided at a position where game balls shot by shooting means in a specific direction can flow down, and a second area is provided in a second flow path. A first privilege is granted on the basis of entry of the game balls in the first area, and a second privilege is granted in which player's advantage is higher than in the first privilege on the basis of entry of the game balls in the second area. The first flow path is configured so that the game balls can flow down more easily than the second flow path. Thereby, a player's interest in a game can be increased. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022058845-A (JP)
Title: Toilet roll
IPC: A47K10/16
Filed: 2022-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a two-ply toilet roll in which a paper tube does not plastically deform by a cutting pressure, when a toilet roll of a predetermined width is cut out from a paper log. 
     SOLUTION: If the density of one piece of toilet paper is equal to or greater than 0.140 g/cm 3  and equal to or less than 0.180 g/cm 3 , and the stress of a paper part 3 is equal to or greater than 13.0 N and equal to or less than 22.0 N, general collapse of a paper tube 2 can be greatly reduced. It is preferable that the stress of the paper tube 2 is equal to or greater than 7.0 N and equal to or less than 13.0 N, and it is preferable that a difference between the stress of the paper part 3 and the stress of the paper tube 2 is equal to or less than 12.0 N. Also, it is preferable that the tensile strength in the longer direction of the toilet paper is equal to or greater than 1.60 N and equal to or less than 2.20 N. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023113008-A (JP)
Title: Controller, intercom system, control method, program, shared entrance device
Inventor: TARU KOSUKE
IPC: H04M9/00
Filed: 2022-02-02
Abstract: To provide a technology for improving efficiency of communication in an intercom system.SOLUTION: An occupied trunk line communication unit 560 communicates with each of a plurality of information terminals. A control unit 540 controls the occupied trunk line communication unit 560. The occupied trunk line communication unit 560 defines a cycle including a first period in which TDMA (Time Division Multiple Access) communication is executable by allocating a communication slot to one or more of the plurality of information terminals, a second period in which CSMA (Carrier Sense Multiple Access) communication is executable with one or more of the plurality of information terminals, and a third period in which CSMA communication is executable with one or more of the plurality of information terminals. The second period and the third period are used for communication of information of types differing from each other.SELECTED DRAWING: Figure 3