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1.发明授权公开(公告)号：US10136850B2
公开(公告)日：2018-11-27
申请号：US13501903
申请日：2010-10-14
申请人： Etsunori Fujita , Yumi Ogura , Shinichiro Maeda , Naoki Ochiai
发明人： Etsunori Fujita , Yumi Ogura , Shinichiro Maeda , Naoki Ochiai
摘要： A biological body state estimation device configured such that a homeostatic function level is sorted and acquired in plural stages by using a biological signal obtained from an upper body of a person and each stage of the homeostatic function level is plotted in time series in accordance with a time axis indicated on the lateral axis and displayed as a graph by a display. A highest part on the vertical axis of the graph can be displayed as a highly active state and a lowest part as a function decline state. Therefore, a state of fluctuation due to autonomous nerves as an attempt to maintain homeostasis, progress of a feeling of fatigue, and a state stimulated by activation of the brain can be captured as a periodic function. Moreover, a sleep prediction phenomenon can be captured.
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公开(公告)号：US10130183B2
公开(公告)日：2018-11-20
申请号：US15312343
申请日：2015-05-12
发明人： Etsunori Fujita , Ryuji Kuwano
摘要： A sheet cushioning member includes front links coupled to a front torsion bar and rear links coupled to a rear torsion bar are arranged at a predetermined interval from each other in a front and rear direction of a seat, and when a predetermined load or larger is applied, the front links and the rear links rotate in opposite directions, and dampers are disposed to extend between lower portions of the front links and the rear links. When a predetermined load fluctuation or larger occurs, the dampers expand or contract to exhibit a damping force, and a load fluctuation smaller than this does not cause the dampers to expand or contract and is alleviated by elasticity of the front torsion bar and the rear torsion bar. An impact absorbing characteristic is thereby improved with a simple structure.
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公开(公告)号：US09682642B2
公开(公告)日：2017-06-20
申请号：US14786893
申请日：2014-04-22
发明人： Etsunori Fujita , Hiroki Oshimo
CPC分类号： B60N2/54 , B60N2/1615 , B60N2/162 , B60N2/501 , B60N2/502 , B60N2/506 , B60N2/522 , B60N2/544
摘要： A seat suspension with a compact structure while being capable of coping with input vibrations not only in a vertical direction but in six-axis directions. Three pantograph links between a vehicle body floor side and a seat side are employed. Thus, control in six-axis directions is possible, allowing simplification compared to conventional structures. In addition to an active control mechanism using the pantograph links, the seat suspension has a compressed coil spring and the magnetic spring as a first elastic member and a second elastic member. Specifically, damping is performed with high efficiency by controlling the seat side in a reverse phase to the vehicle body floor side with respect to the input direction of vibrations by the active control mechanism and meanwhile performing damping passively by these elastic members.
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公开(公告)号：US20170080832A1
公开(公告)日：2017-03-23
申请号：US15310583
申请日：2015-05-11
发明人： Etsunori FUJITA , Yumi OGURA , Masahiro KUROMOTO
CPC分类号： B60N2/4228 , B60N2/22 , B60N2/2231 , B60N2/42 , B60N2/42709 , B60N2/68
摘要： A seat structure. A reinforcing structure in a substantially rectangular frame shape is set in an area where cushion-part side frames and back-part side frames are coupled to each other via reclining mechanism parts, from vicinities of rear portions of the cushion-part side frames up to vicinities of lower portions of the back-part side frames. The reinforcing structure increases unity of a cushion frame and a back frame, and when a load is applied to the back frame due to an impact at the time of a rear-end collision or the like, the load acts as a force deforming mainly the cushion frame via the reinforcing structure, and when the body of a seated person thereafter moves rearward, the load acts as a force deforming mainly the back frame, making it possible to use not only strength of the back frame but also strength of the cushion frame.
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公开(公告)号：US09376044B2
公开(公告)日：2016-06-28
申请号：US14413566
申请日：2013-08-09
发明人： Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Katsuhiro Inoue , Eiji Sugimoto , Minoru Nakamura , Ryuji Kuwano , Shuji Kasama , Toshiya Kushiyama , Masahiro Kuromoto
IPC分类号： B60N2/06 , B60N2/12 , B60N2/68 , B60N2/02 , B60N2/07 , B60N2/16 , B60N2/235 , B60N2/22 , B60N2/48
CPC分类号： B60N2/68 , B60N2/0284 , B60N2/071 , B60N2/0715 , B60N2/0732 , B60N2/1615 , B60N2/165 , B60N2/22 , B60N2/2356 , B60N2/62 , B60N2/682 , B60N2/812 , B60N2205/30
摘要： A vehicle seat suitable for weight reduction. A left and right side frames constituting a cushion frame unit are constituted of plate-shaped frames which are long in a forward and backward direction and formed of a thin material made of metal with a predetermined thickness or less, a plurality of beams are bridged across the side frames, and moreover, one or both of the side frames is or are supported on a seat slide device via a truss support part. In other words, the side frames disposed in a direction substantially orthogonal to the plurality of beams serve the role of stringers, and as a result, rigidity in the forward and backward direction of the side frames in particular is high rigidity of a predetermined value or more even if they are made of a thin material, and they can be reduced in weight.
摘要翻译： 适合减轻重量的车辆座椅。 构成缓冲框架单元的左右侧框架由前后方向长的板状框架构成，并且由具有预定厚度或更小厚度的金属制成的薄材料形成，多个梁跨越跨越 侧框架，此外，一个或两个侧框架经由桁架支撑部件被支承在座椅滑动装置上。 换句话说，设置在与多个梁大致正交的方向上的侧框架起着桁条的作用，结果，侧框架的前后方向的刚度特别是预定值的高刚性或 即使它们由薄的材料制成，并且它们可以减轻重量。
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公开(公告)号：US20160176325A1
公开(公告)日：2016-06-23
申请号：US14905195
申请日：2014-07-11
发明人： Etsunori FUJITA , Yumi OGURA , Seiji KAWASAKI , Katsuhiro INOUE , Eiji SUGIMOTO , Minoru NAKAMURA , Ryuji KUWANO , Atsushi NISHIDA
IPC分类号： B60N2/50
CPC分类号： B60N2/501 , B60N2/06 , B60N2/1615 , B60N2/165 , B60N2/166 , B60N2/4228 , B60N2/42709 , B60N2/509 , B60N2/688
摘要： A neck injury is improved with a structure having a lifting mechanism part only on one side. While a lifting driving part is provided on a side of one side frame, a coupling driving rod is coupled to a rotation center of a drive gear a driving link is disposed on a side of the other side frame, and the driving link is coupled to the coupling driving rod. A driving force in the lifting driving part operates on the side of one side frame having the drive gear, but on the side of the other side frame, the driving link rotates together with the drive gear via the coupling driving rod, so as to perform a lifting or lowering operation. The shape of a virtual square coupling contact points of the driving link, the side connectors, the coupling driving rod, and the drive gear does not collapse, and thus an external input is dispersed.
摘要翻译： 颈部受伤改善了具有仅在一侧具有提升机构部分的结构。 当提升驱动部分设置在一个侧框架的一侧时，联接驱动杆联接到驱动齿轮的旋转中心，驱动连杆设置在另一侧框架的一侧，并且驱动连杆联接到 联轴器驱动杆。 提升驱动部的驱动力在具有驱动齿轮的一侧框架侧工作，但是在另一侧框架侧，驱动连杆经由联接驱动杆与驱动齿轮一起旋转，以便执行 升降操作。 驱动连杆，侧连接器，联接器驱动杆和驱动齿轮的虚拟方形耦合接触点的形状不会折叠，因此外部输入分散。
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公开(公告)号：US20150352986A1
公开(公告)日：2015-12-10
申请号：US14762969
申请日：2014-01-22
发明人： Etsunori FUJITA , Yumi OGURA , Seiji KAWASAKI , Katsuhiro INOUE , Eiji SUGIMOTO , Minoru NAKAMURA , Ryuji KUWANO
CPC分类号： B60N2/42709 , B60N2/06 , B60N2/4221 , B60N2/4228 , B60N2/427 , B60N2/643 , B60N2/646 , B60N2/66 , B60N2/68 , B60N2/688
摘要： A seat suitable for sports type automobiles with a low hip point. An energy absorbing structure part provided in a cushion frame is constituted of a substantially square frame body including a front beam and a rear beam, and stringers bridged across them and provided separately from side frames. It is structured such that belt anchor attaching members are each provided between a coupling position to a vicinity of a rear portion of upper rails of sliders and a coupling position of the rear beam in the stringers. When an impact force of a predetermined value or higher is applied, the stringers deform to absorb the impact force and trusses are formed after the deformation, thereby enabling to sustain a further impact force which continues to be applied.
摘要翻译： 适用于低臀点的运动型汽车的座椅。 设置在缓冲框架中的能量吸收结构部件由包括前梁和后梁的大致正方形的框体构成，并且横跨它们并且与侧框分开设置的桁条构成。 其结构使得带固定件附接构件分别设置在滑动件的上轨道的后部附近的联接位置和后梁在桁条中的联接位置。 当施加预定值以上的冲击力时，桁条变形以吸收冲击力，并且在变形之后形成桁架，从而能够维持继续施加的另外的冲击力。
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公开(公告)号：US20150203011A1
公开(公告)日：2015-07-23
申请号：US14413566
申请日：2013-08-09
发明人： Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Katsuhiro Inoue , Eiji Sugimoto , Minoru Nakamura , Ryuji Kuwano , Shuji Kasama , Toshiya Kushiyama , Masahiro Kuromoto
CPC分类号： B60N2/68 , B60N2/0284 , B60N2/071 , B60N2/0715 , B60N2/0732 , B60N2/1615 , B60N2/165 , B60N2/22 , B60N2/2356 , B60N2/62 , B60N2/682 , B60N2/812 , B60N2205/30
摘要： A vehicle seat suitable for weight reduction. A left and right side frames constituting a cushion frame unit are constituted of plate-shaped frames which are long in a forward and backward direction and formed of a thin material made of metal with a predetermined thickness or less, a plurality of beams are bridged across the side frames, and moreover, one or both of the side frames is or are supported on a seat slide device via a truss support part. In other words, the side frames disposed in a direction substantially orthogonal to the plurality of beams serve the role of stringers, and as a result, rigidity in the forward and backward direction of the side frames in particular is high rigidity of a predetermined value or more even if they are made of a thin material, and they can be reduced in weight.
摘要翻译： 适合减轻重量的车辆座椅。 构成缓冲框架单元的左右侧框架由前后方向长的板状框架构成，并且由具有预定厚度或更小厚度的金属制成的薄材料形成，多个梁跨越跨越 侧框架，此外，一个或两个侧框架经由桁架支撑部件被支承在座椅滑动装置上。 换句话说，设置在与多个梁大致正交的方向上的侧框架起着桁条的作用，结果，侧框架的前后方向的刚度特别是预定值的高刚性或 即使它们由薄的材料制成，并且它们可以减轻重量。
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公开(公告)号：US20150182141A1
公开(公告)日：2015-07-02
申请号：US14407813
申请日：2013-05-30
发明人： Etsunori Fujita
CPC分类号： A61B5/02444 , A61B5/0205 , A61B5/02416 , A61B5/0245 , A61B5/0261 , A61B5/1107 , A61B5/18 , A61B5/4035 , A61B5/4809 , A61B5/6823 , A61B5/6826 , A61B5/6887 , A61B5/6893 , A61B5/7235 , A61B5/7239 , A61B5/7275
摘要： A novel technique for analyzing a biological state is provided. A body trunk biological signal (aortic pulse wave) extracted from the back of a body trunk is differentiated twice. By using a resultant second derivative waveform, a waveform component of a maximum amplitude of a low frequency appearing as a result of switch of an amplitude from attenuation to amplification in transition from a contracting phase to a diastolic phase of a ventricle is specified in each period of the second derivative waveform. Inflection points are specified that appear before and after the maximum amplitude waveform component. A biological state is analyzed using information about each of the inflection points. The two inflection points obtained from a reference form of the second derivative waveform of the aortic pulse wave substantially agree in time phase with first heart sound and second heart sound (or an R wave and a T wave in an electrocardiogram) indicating the dynamic state of a cardiovascular system. This enables analysis of a biological state.
摘要翻译： 提供了一种用于分析生物状态的新技术。 从身体背部提取的体干生物信号（主动脉脉波）被分为两次。 通过使用合成的二阶导数波形，在每个周期中规定作为从收缩期到心室舒张期的转变中的从衰减到放大的幅度切换的结果的低频的最大幅度的波形分量 的二阶导数波形。 指定出现在最大幅度波形分量前后的拐点。 使用关于每个拐点的信息分析生物状态。 从主动脉脉波的二阶导数波形的参考形式获得的两个拐点基本上与第一心音和第二心音（或心电图中的R波和T波）的时间相位一致，表示动态 心血管系统。 这使得能够分析生物状态。
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公开(公告)号：US08900378B2
公开(公告)日：2014-12-02
申请号：US13254642
申请日：2010-02-22
申请人： Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Shigeyuki Kojima , Soichi Makita , Shigeru Maeda , Hideyuki Yamane , Seiya Yoshida
发明人： Etsunori Fujita , Yumi Ogura , Seiji Kawasaki , Shigeyuki Kojima , Soichi Makita , Shigeru Maeda , Hideyuki Yamane , Seiya Yoshida
CPC分类号： B60N2/68 , C21D1/10 , C21D1/42 , C21D9/0068 , C21D9/50 , C21D9/505 , C21D2221/00 , Y02P10/253
摘要： A structural material is provided, the strength and toughness of which are well-balanced at a high level, suitable in particular for seat frames in automobiles, aircrafts and the like. Specifically disclosed is a structural material produced by integrally joining thin steel members in a part thereof and, after joining, thermally heating a part thereof so that the heat-treated part differs from the other parts in strength and toughness. Unlike a structural material, the strength of which as a whole has been uniformly improved by heat treatment, the above-described structural material consists of a part having a high strength and a part having low strength. Thus, a structural material, the strength and toughness of which are well-balanced at a high level can be obtained. Since the strength and toughness are well-balanced at a high level, the structural material is suitable particularly for seat frames in automobiles, aircrafts and the like.
摘要翻译： 提供了一种结构材料，其强度和韧性在高水平上是均衡的，特别适用于汽车，飞机等中的座椅框架。 具体公开了一种结构材料，其通过在其一部分中整体连接薄钢构件，并且在接合之后对其部分进行热加热，使得热处理部分的强度和韧性与其他部分不同。 结构材料不同于其整体的强度通过热处理而均匀地提高，上述结构材料由具有高强度的部件和具有低强度的部分组成。 因此，可以获得其高度均衡的强度和韧性的结构材料。 由于强度和韧性在高水平上均衡良好，所以结构材料特别适用于汽车，飞机等中的座椅框架。
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