baber/WOPTO huggingface dataset:
Patent JP-2023146482-A (JP)
Title: Medium guide device, image forming device, image reading device, and post-processing device
Inventor: HANAMOTO KATSUHIKO
IPC: B65H5/36
Filed: 2022-03-29
Abstract: To provide a medium guide device capable of suppressing an occurrence of collision noise caused by bouncing up of a rear end of a medium while ensuring smooth conveyance of the medium on a curved path.SOLUTION: A medium guide device 35 includes: an upstream roller pair 42 and a downstream roller pair 43 provided in a curved path 6A; a first rib 44 protruding from/withdrawing to outside in a radial direction of the curved path 6A on an upstream side of an apex portion 6T; a second rib 45 protruding from/withdrawing to inside in the radial direction of the curved path 6A on a downstream side of the apex portion 6T; and an interlocking part 46 interlocking the first rib 44 with the second rib 45, wherein when paper P being conveyed by the upstream roller pair 42 is in a first conveyance state S1 where it is away from the downstream roller pair 43, the interlocking part 46 withdraws the first rib 44 and protrudes the second rib 45, and when the paper P is in a second conveyance state where the paper P is conveyed by the downstream roller pair 43, the interlocking part 46 protrudes the first rib 44 and withdraws the second rib 45.SELECTED DRAWING: Figure 3
Patent JP-2023031225-A (JP)
Title: Presentation control device, presentation control program, automatic driving control device, and automatic driving control program
Inventor: KUME TAKUYA
IPC: G08G1/16
Filed: 2022-03-29
Abstract: To provide a presentation control device and the like capable of ensuring convenience related to route setting concerning autonomous driving with no obligation to monitor surroundings.SOLUTION: A human machine interface control unit (HCU) 100 functions as a presentation control device for controlling the presentation of information relevant to an autonomous driving function capable of driving an own vehicle by autonomous driving control with no obligation to monitor the surroundings for a driver. The HCU 100 is configured so as to, when the route to the destination is set for the own vehicle in the state where the autonomous driving function is driving the own vehicle by autonomous driving control, grasp the state of automatic driving control executed by the autonomous driving function after setting the relevant route. The HCU 100 notifies the state of automatic driving control after the route is set.SELECTED DRAWING: Figure 3
Patent JP-2023146967-A (JP)
Title: Polyethylene terephthalate-based resin film, polarizing plate using the same, transparent conductive film, touch panel, and image display device
Inventor: YAMAMOTO TAKUYA
IPC: G02B5/30
Filed: 2022-03-29
Abstract: To provide a polyethylene terephthalate-based resin film which is excellent in processing suitability, especially, can effectively suppress occurrence of cleavage in a film layer in a part cut by a cutter, and to provide a polarizing plate using the polyethylene terephthalate-based resin film, a transparent conductive film, a touch panel, and an image display device such as a liquid crystal display device and an organic EL display device.SOLUTION: A polyethylene terephthalate-based resin film satisfies the following (1), (2) and (3). (1) The polyethylene terephthalate-based resin film has a retardation of 3,000-30,000 nm, (2) a transformer orientation parameter of the polyethylene terephthalate-based resin film measured by an ATR-FTIR method is 1.00 or less, and (3) an orientation parameter of an advance axis of the polyethylene terephthalate-based resin film measured by the ATR-FTIR method is 0.915 or less.SELECTED DRAWING: None
Patent JP-2023147475-A (JP)
Title: Elevator control system and program
Inventor: SUDO TAKESHI
IPC: B66B1/18
Filed: 2022-03-30
Abstract: To provide a control technology capable of realizing an elevator usable for a user when two cars need to be transferred to reach a destination floor.SOLUTION: In a control system, when entrance call is inputted in a terminal device, a relay device transmits information needed for allocation to each of the first allocation processing part and the second allocation processing part and transmits results of those allocations to the terminal device. Concretely, when entrance call is inputted in the terminal device, the relay processing part transmits a start floor inputted as entrance call and a transfer floor used to transfer from a first car to a second car as information needed to allocation at the first allocation part to the first allocation processing part. The relay device transmits a transfer floor and a destination floor inputted as entrance call to the second allocation processing part as information needed for allocation at the second car.SELECTED DRAWING: Figure 1
Patent JP-2023150623-A (JP)
Title: Board lifting device and board mounting method
Inventor: UMEZAWA HIROYUKI
IPC: E04F21/18
Filed: 2022-03-31
Abstract: To provide a board lifting device that has a simpler configuration and smaller size than conventional ones, and can improves workability.SOLUTION: A board lifting device 1 includes a body part 10 that is elongated in the vertical direction, a mounting part 20 provided at a position above the body part 10 for mounting a board B, a lifting part 30 that raises and lowers the mounting 20 with respect to the body part 10 and a base part 40 provided in the lower part of the body part 10. The mounting part 20 and the base part 40 extend in the same direction away from the body part 10 when viewed from above, and is provided so as not to protrude from the body part 10 to the side opposite to the extension side of the mounting part 20 and the base part 40 when viewed from above.SELECTED DRAWING: Figure 1
Patent JP-2023150935-A (JP)
Title: Cylindrical label and method of removing printing layer
Inventor: MIYAZAKI AKIRA
IPC: G09F3/04
Filed: 2022-03-31
Abstract: To allow for removing a printing layer without leaving any residue.SOLUTION: A cylindrical label (1A) has a seaming portion (121) with a non-sealed area (121b) where ends of a heat-shrinkable film (101) are not sealed together and a liquid for removing a printing layer (111) of the heat-shrinkable film (101) is flowed. The non-sealed area (121b) puts the inside and the outside of the cylindrical label (1A) into communication in an overlapping portion (120).SELECTED DRAWING: Figure 4
Patent JP-2022097488-A (JP)
Title: Processor implemented system and method for measuring cognitive abilities
IPC: A61B10/00
Filed: 2022-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a processor implemented system and method for measuring cognitive abilities. 
     SOLUTION: A computer-implemented cognitive assessment tool is provided for assessing cognitive ability of an individual while multi-tasking. In one embodiment, a computer processing system on which the tool is implemented may receive form the individual first responses to a first task and second responses to a second task, where the first task and the second task are presented to the individual simultaneously. The system may determine that the first task and the second task are performed by the individual based on the first responses and the second responses, and compute a cognitive measure using one or both of the first responses and the second responses. Further, computing the cognitive measure may be based on performance measures of one or both of the first responses and the second responses. Based on the cognitive measure, the system may output a cognitive assessment to the individual. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023153712-A (JP)
Title: Box for pallets
Inventor: WATABE HIROMI
IPC: B65D19/06
Filed: 2022-04-05
Abstract: To provide a box for pallets that can be easily attached to a pallet even when the height of an article placed on the pallet is large.SOLUTION: A box 1 for pallets has a square cylindrical body portion 2 that is in contact with four sides of a pallet 90, and a lid portion 3 that closes an upper opening of the body portion 2. The body section 2 includes side plate portions 4A and 4B corresponding to first sides 91A and 91B of the pallet 90, and connecting plates 5A and 5B connecting the side plates 4A and 4B. The side plate portion 4A includes a first side plate 41 in contact with the first side 91A, second side plates 42A and 42B in contact with second sides 92A and 92B, and fixing portions 44A and 44B provided to the second side plates 42A and 42B. The fixing portion 44A removably secures the connecting plate 5A to the second side plate 42A, and the fixing portion 44B removably secures the connecting plate 5B to the second side plate 42B.SELECTED DRAWING: Figure 1
Patent JP-2023154362-A (JP)
Title: Flow rate control system, intravenous drip system, infusion pump, flow rate control method and program
Inventor: OWADA ISAO
IPC: A61M5/168
Filed: 2022-04-06
Abstract: To provide a flow rate control system and the like which can accurately and stably control a flow rate of droplets dropping from a nozzle while suppressing an arithmetic load.SOLUTION: A flow rate control system comprises: an imaging device which images droplets; a volume calculation unit which calculates the volume of droplets on the basis of image data of the droplets; a target cycle calculation unit which calculates a target dropping cycle on the basis of the set target flow rate and the volume of the droplets calculated by the volume calculation unit; and a dropping cycle adjustment unit which performs flow rate adjustment such that a measurement value of the dropping cycle gets close to the target dropping cycle. The system calculates the volume of first droplets for the droplets dropping from the nozzle after the start of intravenous drip, performs first feedback control to the dropping cycle on the basis of the first target dropping cycle calculated on the basis of the volume, calculates the volume of second droplets for the droplets dropping from the nozzle after the dropping cycle becomes stable, and performs second feedback control to the dropping cycle on the basis of the second target dropping cycle calculated on the basis of the volume.SELECTED DRAWING: Figure 1
Patent JP-2023156782-A (JP)
Title: Roll conveyance mechanism and roll conveyance method
Inventor: KOJIMA YASUNOBU
IPC: B65G47/29
Filed: 2022-04-13
Abstract: To simplify the configuration of a conveyor.SOLUTION: A roll conveyance mechanism is for conveying a cylindrical roll 1 along a straight path with its cylindrical axis along a path P2. The roll conveyance mechanism includes a conveyor 30 and a guide 50. The conveyor 30 is configured as follows. The conveyor 30 is moved by rotational power about a rotary shaft 2P and moves in only one direction where an area on which the roll 1 is placed intersects the conveying direction at an acute angle. The conveyor 30 conveys the roll 1 along the path P2 by a first partial force F1 along the conveyance direction of a force F applied to the roll 1 from the area of movement in one direction, while the conveyor 30 rotates the roll 1 about the cylindrical shaft of the roll 1 by a second partial force F2 of the force F applied along the transverse direction, which is perpendicular to the conveying direction in a top view. The rotary shaft 2P is set along only a direction perpendicular to the one direction in the top view. The guide 50 is arranged at least on the side in the direction in which the second partial force F2 acts on the roll 1 being conveyed in the path P2 and regulates deviation from the path while sliding in contact with the rotating roll 1.SELECTED DRAWING: Figure 2
Patent JP-2023156945-A (JP)
Title: information processing system
Inventor: TANII SEIKICHI
IPC: G06T7/00
Filed: 2022-04-13
Abstract: To provide an information processing system that extracts, from recognition results recognized from image information, a recognition result that is highly likely to require verification.SOLUTION: An information processing system has: a displayed commodity recognition processing unit that recognizes information indicating commodities on commodities captured in image information obtained by photographing a display shelf; and a verification target extraction processing unit that extracts a recognition result to be verified from the commodities displayed on the display shelf. The verification target extraction processing unit extracts a verification target by using a change of the information indicating the commodities displayed on the display shelf recognized from the image information.SELECTED DRAWING: Figure 1
Patent JP-2023159622-A (JP)
Title: 樹脂組成物
IPC: C08L63/00
Filed: 2022-04-20
Abstract: 【課題】ラック耐性及びデスミア耐性の両方に優れる硬化物を得ることができる樹脂組成物を提供する。【解決手段】（Ａ）長鎖の脂肪族炭化水素基を含有する特定のフェノール系硬化剤、（Ｂ）エポキシ樹脂及び（Ｃ）活性エステル化合物を組み合わせて含む樹脂組成物。【選択図】図１
Patent JP-2023159779-A (JP)
Title: 模擬地震動作成方法
IPC: G01M7/02
Filed: 2022-04-20
Abstract: 【課題】目標となる加速度応答スペクトルに適合しつつ、実地震動の入力エネルギーが適切に表現された模擬地震動を得る。【解決手段】模擬地震動作成装置１００は、候補入力ベクトルに基づいて、候補入力ベクトルに対応する模擬地震動の加速度応答スペクトルベクトルを演算する。模擬地震動作成装置１００は、候補入力ベクトルに基づいて、候補入力ベクトルに対応する模擬地震動のエネルギーベクトルを演算する。模擬地震動作成装置１００は、加速度応答スペクトルベクトルとエネルギーベクトルとを含む候補出力ベクトルを設定する。模擬地震動作成装置１００は、目標加速度応答スペクトルベクトルと目標エネルギーベクトルとを含む目標ベクトルと候補出力ベクトルとの間の誤差ベクトルを演算する。模擬地震動作成装置１００は、誤差ベクトルが小さくなるように、新たな候補入力ベクトルを演算する。【選択図】図１
Patent JP-2022090048-A (JP)
Title: Chip dispersion soft polyurethane foam and its production method
IPC: C08G18/00
Filed: 2022-04-22
Abstract: PROBLEM TO BE SOLVED: To provide a chip dispersion soft polyurethane foam having high permeability even during high compression, difficult to be sweaty, and suitable for a bedding such as mattress. 
     SOLUTION: In a chip dispersion soft polyurethane foam 10 where chips 21 are dispersed in a soft polyurethane foam 11, the chips 21 are formed by making skinned soft polyurethane foam (the number of cells: 30 to 200/25 mm) having the hardness larger than the hardness of the chip dispersion soft polyurethane foam 10 into particles having a particle size of 0.5 to 5 mm, and, by making the cells of the soft polyurethane foam 11 difficult to be collapsed during high compression of the chip dispersion soft polyurethane foam by the chips 21 that are hard and do not have the cell membrane, and secured the permeability. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022109297-A (JP)
Title: Methods and applications of gene fusion detection in cell-free DNA analysis
IPC: C12Q1/6869
Filed: 2022-05-09
Abstract: PROBLEM TO BE SOLVED: To provide systems and methods for determining gene fusion. 
     SOLUTION: Systems and methods are disclosed for determining gene fusion by: determining a fused read containing sequencing data of a portion of a fused chromosome DNA molecule; determining a predetermined point (breakpoint) on the genome where least one mapped portion of the fused read is clipped; identifying two mapped read portions from two breakpoints (breakpoint pair) as a potential fusion candidate; creating one or more fusion sets based on breakpoint pairs and clustering the fusion sets into one or more fusion clusters; and identifying each fusion cluster meeting a predetermined criterion as a gene fusion. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022119806-A (JP)
Title: Storage of fluid
IPC: G01N35/08
Filed: 2022-05-11
Abstract: PROBLEM TO BE SOLVED: To perform the smart cleaning of a line for preventing cross contamination. 
     SOLUTION: A device for inputting and outputting fluid to/from a fluid device includes: two or more prime channels which are connected to a fluid inlet of the fluid device; a fluid prime channel flow rate control valve for controlling a flow between the fluid prime channels and the fluid inlet; and an outlet channel flow rate control valve for controlling a flow between one or more outlet channels connected to a fluid outlet of the fluid device and an outlet channel related to the fluid outlet. The device for transmitting the fluid to the fluid inlet includes a plate 14 which can rotate around a rotating shaft, and a plurality of fluid zones 16 which are arranged on the plate 14. The zones 16 have fluid outlet ports which are arranged at a common radial-direction distance from the rotating shaft, and also arranged so as to be aligned with a liquid injection port when the plate 14 rotates around the rotating shaft. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023167700-A (JP)
Title: 電流計測装置、回路遮断器及び分電盤
IPC: H02H3/08
Filed: 2022-05-12
Abstract: 【課題】電流計測部の信頼性を確保することができる電流計測装置を提供する。【解決手段】電流計測装置４０は、複数の電流計測部２７ａ～２７ｃと、自己診断判定部３１ｃと、を備える。複数の電流計測部２７ａ～２７ｃは、交流電流が流れる一組の電路を構成する複数の電路７ａ～７ｃの各々を流れる電流を計測する。自己診断判定部３１ｃは、複数の電流計測部２７ａ～２７ｃの各々の計測値に基づいて、複数の電流計測部２７ａ～２７ｃが正常であるか否かの自己診断判定を行う。【選択図】図１
Patent JP-2023168770-A (JP)
Title: 表示装置
IPC: H05B33/02
Filed: 2022-05-16
Abstract: 【課題】高い表示品質を有する表示装置を提供すること。【解決手段】表示装置は、複数の画素、第１の無機膜、遮光膜、樹脂膜、および第２の無機膜を備える。複数の画素は、画素電極、画素電極上の電界発光層、電界発光層上の対向電極を含む発光素子をそれぞれ備える。第１の無機膜は対向電極上に位置する。遮光膜は、第１の無機膜上に位置し、複数の画素の画素電極と重なる複数の開口を有する。樹脂膜は、遮光膜と第１の無機膜上に位置し、第１の無機膜と接する。第２の無機膜は樹脂膜上に位置する。【選択図】図２
Patent JP-2023170819-A (JP)
Title: 太陽電池モジュールおよび太陽電池モジュールの製造方法
IPC: H02S40/34
Filed: 2022-05-20
Abstract: 【課題】取り出し電極層が配置される領域にガラスフリットが設けられた太陽電池モジュールにおいて、抵抗の上昇を抑制する。 
【解決手段】実施形態の一例である太陽電池モジュール１は、第１基板１０と、第２基板１１と、光電変換層２０と、第１電極層３０と、第２電極層４０と、取り出し電極層５０とを備える。取り出し電極層５０は、互いに積層された金属層および透明導電層を含み、第１基板１０上において、当該基板を平面視したときに光電変換層２０と重ならない領域に設けられている。太陽電池モジュール１は、さらに、第２基板１１と取り出し電極層５０との間に設けられたガラスフリット部６０を備える。 
【選択図】図３
Patent JP-2022184770-A (JP)
Title: Organic-inorganic composite filler, and dental curable composition containing organic-inorganic composite filler
Inventor: HANADA TAKASHI
IPC: A61K6/887
Filed: 2022-05-25
Abstract: To provide organic-inorganic composite fillers that can reduce polymerization shrinkage, increase the mechanical strength of a hardened body, and further maintain the operability and shape retention of the dental curable composition paste before curing well for a long period of time, when blended in a dental curable composition.SOLUTION: In organic-inorganic composite fillers which are composed of porous organic-inorganic composite particles consisting of a composite of an organic resin component and inorganic particles with an average primary particle size of 10 to 1500 nm and which have a cumulative pore volume of 1 to 500 nm of 0.01 to 0.30 cm3/g, two types of organic-inorganic composite fillers each composed of (1) particles with curved surfaces at least in part and (2) particles that do not have a curved shape are mixed and used, so that the particles of above (1) and (2) co-exist as the porous organic-inorganic composite particles, further in which the content of particles with a particle diameter of 5 μm or less in all constituent particles is set to less than 15 vol%.SELECTED DRAWING: None
Patent JP-2023173422-A (JP)
Title: 産業用カメラ及び画像検査装置
IPC: H04N23/63
Filed: 2022-05-26
Abstract: 【課題】光学条件の設定に関する専門知識が乏しい現場の担当者であっても、設定時の光学条件となるようにカメラを設置可能にする。 
【解決手段】産業用カメラは、検査対象物を撮像し、検査対象画像を生成するための撮像部と、検査対象物に向けて位置合わせ用の光を照射するエイマーと、撮像部により撮像された検査対象物の参考画像と、検査対象物に照射された又は照射されるべき位置合わせ用の光の位置情報を含む取付指示書を出力する出力部とを備えている。産業用カメラの設置時に、エイマーは検査対象物に位置合わせ用の光を照射可能に構成されている。 
【選択図】図３５
Patent JP-2022105759-A (JP)
Title: Frozen french toast-like food and method for producing the same
Inventor: UCHIYAMA TOMOKO
IPC: A23L27/00
Filed: 2022-05-30
Abstract: To provide a simple production method for frozen French toast-like food.SOLUTION: A bakery product is impregnated with a seasoning liquid containing low-molecular-weight starch and having a Brix of 30 or more, before the seasoning liquid-impregnated bakery product is frozen, resulting in a frozen French toast-like food that is hard enough to be eatable even in a frozen state and prevents the seasoning liquid to melt when eaten.SELECTED DRAWING: Figure 1
Patent JP-2023176226-A (JP)
Title: 座席装置
IPC: B60N2/14
Filed: 2022-05-31
Abstract: 【課題】座席背面が壁に沿うロング状態にあるときは、リクライニング操作を確実に規制することができる座席装置を提供する。 
【解決手段】リクライニング操作部７６に入力された操作力をリクライニング機構７０に伝達して背凭れ３の傾倒角度の拘束を解除する動力伝達系１００と、動力伝達系１００の途中に設けられ、操作力を伝達可能な連結状態と伝達不能な分離状態とに切換可能なクラッチ機構２００と、を備える。クラッチ機構２００は、座席１をロング状態に変換すると、連結状態から分離状態に切り換わる。 
【選択図】図１
Patent JP-2023177510-A (JP)
Title: 空気入りタイヤ
IPC: B60C11/12
Filed: 2022-06-02
Abstract: 【課題】トラクション性能の低下が抑制される空気入りタイヤを提供する。【解決手段】主溝２２の溝底を通りタイヤ軸方向に延びる第１軸方向仮想線６１、及び踏面２０からタイヤ径方向の内側へ主溝２２のタイヤ径方向の主溝深さＤ１の５０％の位置を通りタイヤ軸方向に延びる第２軸方向仮想線６２を仮定すると、複数の側面サイプ６０のタイヤ径方向の内端は、第１軸方向仮想線６１上、又は第１軸方向仮想線６１よりもタイヤ径方向の外側にそれぞれ位置しており、複数の側面サイプ６０のタイヤ径方向の外端は、第２軸方向仮想線６２上、又は第２軸方向仮想線６２よりもタイヤ径方向の内側にそれぞれ位置している。【選択図】図３
Patent JP-2023183500-A (JP)
Title: 金属下地屋根における軽量な高断熱耐火構造及び該構造の施工方法
IPC: E04D3/35
Filed: 2022-06-16
Abstract: 【課題】 断熱パネルを貫通するビスを用いることなく複数の断熱パネルを金属下地屋根に積層させることによって、軽量な高断熱耐火構造を提供する。【解決手段】 断熱耐火構造は、建築物の梁の上に積層された複数の断熱層を備える。複数の断熱層の各々は、立ち上がり部を少なくとも有する複数の基礎部材と、立ち上がり部に結合される結合部と該結合部の上部に位置するパネル載置部とを各々が有し、互いに平行に配置された複数のレール部材とを有する。複数の基礎部材と、それらに結合される複数のレール部材とによって、複数の母屋が形成される。複数の断熱層の各々は、パネル載置部の上に配置される複数の断熱パネルを有し、複数の断熱パネルとパネル載置部とは複数の固定部材によって固定される。【選択図】 図１
Patent JP-2023098558-A (JP)
Title: Inorganic glass coating agent
Inventor: WAKIZONO REI
IPC: C09D1/00
Filed: 2022-05-31
Abstract: To provide an inorganic glass coating agent that can obtain stable drying curability even under not only normal conditions but also adverse conditions by selecting an alkoxysilane having a relatively low molecular weight, a low flash point, and high reactivity.SOLUTION: An inorganic glass coating agent contains an alkoxysilane and a silane coupling agent as main components. The alkoxysilane is a trifunctional alkoxysilane and first-class petroleum and/or second-class petroleum having a flash point of 40°C or lower and has a molecular weight of 180 or less. The content of at least one or more kinds of the alkoxysilane is 10 wt.%-80 wt.% relative to 100 wt.% of the total ratio of the alkoxysilane and the silane coupling agent.SELECTED DRAWING: None
Patent JP-2022123084-A (JP)
Title: Joint structure and joint tool of wooden structural material
IPC: E04B1/26
Filed: 2022-06-21
Abstract: PROBLEM TO BE SOLVED: To prevent crack destruction of a wooden structural material due to a tensile load, a compression load and a bending load applied to the wooden structural material by a pair of gripping plates, and can improve a joint strength to a main material and a pair of side materials. 
     SOLUTION: In a joint structure of a wooden structural material, a main material M as a wooden structural material W of a wooden building and a pair of side materials S and S arranged on both side faces of the main material are coupled and joined to each other by a coupling bolt 1 and its nut, and a pair of gripping plates K and K arranged on both of the other side faces adjacent to both of the side faces of the main material arranged with the pair of side materials, and a gripping bolt 4 which is arranged so as to penetrate through the main material between the pair of gripping plates and grips both of the other side faces of the main material, and its nut 5 are provided. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023002485-A (JP)
Title: Mapping resolution of electrophysiological (ep) wave propagating on surface of patient heart
Inventor: GOVARI ASSAF
IPC: A61B5/367
Filed: 2022-06-21
Abstract: To perform a cardiac electrophysiological mapping.SOLUTION: A method includes: receiving multiple electrophysiological (EP) signals acquired by multiple catheter electrodes in contact with tissue in a cardiac chamber region, and tissue locations at which the EP signals are acquired; selecting first and second electrodes, positioned at first and second tissue locations of first and second sections of the region; based on the acquired EP signals, calculating local activation time (LAT) values for the first and second tissue locations, first and second average LAT values for the first and second sections, and comparing the first and second average LAT values; determining first and second representative locations within the first and second sections, respectively; producing and displaying a propagation vector between the first and second representative locations and based on the comparison of the first and second average LAT values.SELECTED DRAWING: Figure 1