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    Stretchable strain sensors and devices
    184.
    发明授权
    Stretchable strain sensors and devices 有权

    公开(公告)号：US11828664B2

    公开(公告)日：2023-11-28

    申请号：US17962708

    申请日：2022-10-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Gae Hwang Lee ,  Youngjun Yun

    IPC: G01L1/24 ,  H10K50/115 ,  H10K50/125

    CPC classification number: G01L1/241 ,  H10K50/115 ,  H10K50/125

    Abstract: A stretchable strain sensor may exhibit wavelength selectivity according to a thickness change of a thickness of the stretchable strain sensor, in a thickness direction extending parallel to the thickness of the stretchable strain sensor, due to elongation of the stretchable strain sensor in an elongation direction extending perpendicular to the thickness direction. The stretchable strain sensor may have an emission spectrum that changes according to strain variation of a strain on the stretchable strain sensor.

    Visual-Tactile Sensing Device for Use in Robotic Gripper
    185.
    发明公开
    Visual-Tactile Sensing Device for Use in Robotic Gripper 审中-公开

    公开(公告)号：US20230294306A1

    公开(公告)日：2023-09-21

    申请号：US18018780

    申请日：2020-07-30

    Applicant: ABB Schweiz AG

    Inventor： Nolan W. Nicholas

    IPC: B25J15/08 ,  B25J13/08 ,  G01L5/22 ,  G01L1/24

    CPC classification number: B25J15/08 ,  B25J13/084 ,  G01L1/241 ,  G01L5/226

    Abstract: A robotic gripper includes a number of fingers useful to grasp a work piece. Each finger can include a visual-tactile contact pad useful to provide contact information related to the work piece when it is grasped by the fingers. The hand and fingers of the robotic gripper can include one or more optical elements such as mirrors/lenses/etc which aid in transmitting optical information from the pad to a camera. A single image sensor can be used to capture the optical data originating from the different pads. The different pads can be configured to project unique wavelengths to permit simultaneous imaging by the single image sensor. The optical paths can be configured to image on different portions of the image sensor to permit simultaneous imaging. In still other forms a shutter or similar device can be used to alternate projection of image data onto the image sensor from the different pads.

    Method for diagnosis and/or prognosis of cancers by analysis of the mechanical properties of tumor cells
    187.
    发明授权
    Method for diagnosis and/or prognosis of cancers by analysis of the mechanical properties of tumor cells 有权

    公开(公告)号：US09683982B2

    公开(公告)日：2017-06-20

    申请号：US14678156

    申请日：2015-04-03

    Applicant: Universität Leipzig

    Inventor： Josef Käs ,  Jochen Guck

    IPC: G01N33/483 ,  G01N33/50 ,  G01L1/24

    CPC classification number: G01N33/4833 ,  G01L1/24 ,  G01L1/241 ,  G01N33/5011

    Abstract: In a method for diagnosing and/or prognosis of cancers, diagnosing origin of tumor cells, optimizing cancer therapy, and screening active substances for oncology, the mechanical properties of tumor cells and reference cells are analyzed under mechanical load that causes linear or non-linear deformation of the loaded cell. The engineering strain of the cells caused by directed mechanical stress being introduced is used to determine metastasis risk and the presence of uncontrollably proliferating and/or invasive cells, or the origin of the tumor. The metastasis risk is determined based on the proportion of cells in the sample exhibiting engineering strain in a direction opposite to the stressing direction. The risk of the presence of uncontrollably proliferating cells for non-linear deformation of the cell is determined in the sample based on the mean value of the engineering strain in the direction of cell stressing.

    STRESS VISUALIZATION DEVICE AND MECHANICAL PROPERTY VALUE VISUALIZATION DEVICE
    188.
    发明申请
    STRESS VISUALIZATION DEVICE AND MECHANICAL PROPERTY VALUE VISUALIZATION DEVICE 审中-公开

    公开(公告)号：US20170160148A1

    公开(公告)日：2017-06-08

    申请号：US15437985

    申请日：2017-02-21

    Applicant: Osaka City University

    Inventor： Souichi SAEKI

    IPC: G01L1/24 ,  G01N21/21 ,  G01B9/02

    CPC classification number: G01L1/24 ,  G01B9/02091 ,  G01B11/168 ,  G01L1/241 ,  G01N21/21

    Abstract: A control computation unit causes an optical modulator to change a polarization state to shift a phase of polarized light with which an object is irradiated, computes a spatial gradient of tomographic distribution of phase difference of an interference signal on the basis of phase differences of interference signals each obtained by each phase shift of the polarized light, and visually displays tomographic distribution of spatial gradient in association with tomographic distribution of stress on the display device. The control computation unit computes deformation rate vector distribution at cross-sectional positions of the object on the basis of optical interference signals, and further computes tomographic distribution of strain rate tensor. The control computation unit then computes tomographic distribution of mechanical property value from the tomographic distribution of stress and the tomographic distribution of strain rate tensor, and visually displays the tomographic distribution of mechanical property value.

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