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    Systems and methods for foldable multi-mode bend sensors
    12.
    发明授权
    Systems and methods for foldable multi-mode bend sensors 有权

    公开(公告)号：US11852546B2

    公开(公告)日：2023-12-26

    申请号：US17534297

    申请日：2021-11-23

    Applicant: Bend Labs Inc.

    Inventor： Colton A. Ottley ,  Jared K. Jonas ,  Colin D. Eichinger ,  Nathan Grimes ,  Nathan C. Briggs

    IPC: G01L1/14

    CPC classification number: G01L1/142

    Abstract: Disclosed embodiments include systems and methods for additively manufacturing (e.g., by “printing” or the like) a bend sensor as a 2D structure that can then be configured into a 3D or stacked structure. Further disclosed embodiments include bend sensors with foldable sensing regions configurable into a 3D or stacked structure. A differential strain in a sensing region is linearly proportional to the displacement as measured from the endpoints of the sensing region. The differential strain is measurable as a differential change in the capacitance of the sensing regions.

    THREE-DIMENSIONAL STRESS-SENSITIVE DEVICE
    14.
    发明公开
    THREE-DIMENSIONAL STRESS-SENSITIVE DEVICE 审中-公开

    公开(公告)号：US20230339741A1

    公开(公告)日：2023-10-26

    申请号：US17726935

    申请日：2022-04-22

    Applicant: Rosemount Aerospace Inc.

    Inventor： John C. Christenson

    IPC: B81B3/00 ,  G01L1/14 ,  H01L41/113 ,  B81C1/00 ,  G01L1/18

    CPC classification number: B81B3/0021 ,  B81C1/00269 ,  G01L1/142 ,  G01L1/18 ,  H01L41/1132 ,  B81B2203/019

    Abstract: A stress-sensitive device includes a substrate having a first surface with a cavity defined therein and a three-dimensional deformable material extending along the first surface and into the cavity. The three-dimensional deformable material has an electrical characteristic responsive to deformation. A method of forming a three-dimensional stress-sensitive device includes providing a substrate having a first surface and a second surface opposite the first surface, forming a cavity in the substrate, wherein the cavity is open to the first surface, depositing a sacrificial layer in the cavity, depositing a deformable material on the sacrificial layer, and removing at least a portion of the sacrificial layer to form an interstitial space between the deformable material and the substrate in the cavity.

    LOAD SENSOR
    15.
    发明公开
    LOAD SENSOR 审中-公开

    公开(公告)号：US20230314242A1

    公开(公告)日：2023-10-05

    申请号：US18329391

    申请日：2023-06-05

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： Susumu URAGAMI ,  Hiroyuki FURUYA ,  Yuta MORIURA ,  Takashi MATSUMOTO ,  Hironobu UKITSU ,  Yodai MATSUMURA

    IPC: G01L1/14

    CPC classification number: G01L1/142

    Abstract: A load sensor includes: a first base member and a second base member disposed so as to face each other; an electrically-conductive elastic body disposed on an opposing face of the first base member; an electrically-conductive member disposed between the second base member and the electrically-conductive elastic body; a dielectric body disposed between the electrically-conductive elastic body and the electrically-conductive member; and a component configured to change a contact area of the dielectric body in association with increase in a load, such that a form of change in capacitance between the electrically-conductive elastic body and the electrically-conductive member associated with change in the load becomes close to that of a straight line.

    Electronic device having capacitance-based force sensing for user interface input
    16.
    发明授权
    Electronic device having capacitance-based force sensing for user interface input 有权

    公开(公告)号：US11763177B2

    公开(公告)日：2023-09-19

    申请号：US16883264

    申请日：2020-05-26

    Applicant: MOTOROLA MOBILITY LLC

    Inventor： Rachid Alameh ,  Yi Wu ,  James P. Ashley ,  Zhengping Ji

    IPC: G06F3/0487 ,  G06N5/04 ,  G06N20/00 ,  A63F13/214 ,  G01L1/14

    CPC classification number: G06N5/04 ,  A63F13/214 ,  G01L1/142 ,  G06F3/0487 ,  G06N20/00

    Abstract: An electronic device includes a capacitive driver that is electrically coupled to a pair of conductive plates coupled to a housing and electrically isolated by a dielectric material. The conductive plates are positioned to change relative orientation in relation to deformation of the housing in a first direction. A controller identifies a first capacitance of the pair of conductive plates associated with the housing being in a normal alignment relative to the first direction. The controller presents an object on a user interface device in a first kinematic state. The controller detects, via the first capacitor driver, a change in capacitance from the first capacitance to a second capacitance of the pair of conductive plates. The controller associates the change to a first user input. The controller presents the object on the user interface device in a second kinematic state based on the first user input.

    FLEXIBLE STRETCHABLE CAPACITIVE SENSOR
    19.
    发明申请
    FLEXIBLE STRETCHABLE CAPACITIVE SENSOR 审中-公开

    公开(公告)号：US20180113032A1

    公开(公告)日：2018-04-26

    申请号：US15729151

    申请日：2017-10-10

    Applicant: North Carolina State University

    Inventor： Michael D. Dickey ,  Christopher B. Cooper ,  Mohammad Rashed Khan

    IPC: G01L1/14 ,  H03K17/96

    CPC classification number: G01L1/142 ,  G01L1/146 ,  G06F3/044 ,  G06F2203/04102 ,  H03K17/962 ,  H03K2017/9602

    Abstract: A flexible stretchable sensor, methods of use, and methods of forming the same are disclosed herein. In one implementation, the flexible stretchable sensor comprises a plurality of flexible and stretchable fibers in close proximity to one another, wherein each of the flexible fibers comprises a hollow electrically insulating elastomeric fiber at least partially filled with a flexible and stretchable conductive material and an electrical connector in electrical communication with the flexible and stretchable conductive material, wherein a change in an electrical parameter of at least one of the plurality of flexible and stretchable fibers is used to sense an event associated with the at least one of the plurality of flexible and stretchable fibers.

    FORCE-SENSING CAPACITOR ELEMENTS, DEFORMABLE MEMBRANES AND ELECTRONIC DEVICES FABRICATED THEREFROM
    20.
    发明申请
    FORCE-SENSING CAPACITOR ELEMENTS, DEFORMABLE MEMBRANES AND ELECTRONIC DEVICES FABRICATED THEREFROM 审中-公开

    公开(公告)号：US20180032181A1

    公开(公告)日：2018-02-01

    申请号：US15727922

    申请日：2017-10-09

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Matthew H. Frey ,  Brian W. Lueck ,  Kenneth A. P. Meyer

    IPC: G06F3/044 ,  G06F3/041 ,  G01L1/14

    CPC classification number: G06F3/044 ,  G01L1/142 ,  G01L1/146 ,  G01L5/165 ,  G06F3/0414

    Abstract: Force-sensing capacitor elements and deformable membranes useful in electronic devices that include touch screen displays or other touch sensors. The deformable membranes, generally, include a first, second, and third layers with a first arrangement of a plurality of first structures interposed between the first and third layers and a second arrangement of one or more second structures interposed between the second and third layers. Electrodes may be included proximate to or in contact with one or more of the major surfaces of the first, second, and third layers or embedded within one or more of the second and third layers of the deformable membranes, yielding force-sensing capacitor elements. The electrodes proximate to or in contact with the one or more of the major surfaces of the first and second layers or embedded within one or more of the second and third layers may be one or more plurality of electrodes.

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