公开(公告)号：US20240319026A1

公开(公告)日：2024-09-26

申请号：US18731914

申请日：2024-06-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Susumu URAGAMI ,  Takafumi HAMANO ,  Yuta MORIURA ,  Takashi MATSUMOTO ,  Hironobu UKITSU ,  Yodai MATSUMURA

IPC: G01L1/14

CPC classification number: G01L1/14

Abstract: A load sensor includes: a first base member; a second base member; a plurality of electrically-conductive elastic bodies disposed so as to be arranged; a plurality of conductor wires crossing the plurality of electrically-conductive elastic bodies; a dielectric body disposed between the electrically-conductive elastic body and the conductor wire; and a thread configured to sew and fasten the plurality of conductor wires to the first base member or the second base member by a stitch row extending in a direction crossing an arrangement direction of the plurality of electrically-conductive elastic bodies. At a position of the stitch row, one of the conductor wires crosses or is close to another of the conductor wires. The thread is sewn so as to extend across the one conductor wire and the other conductor wire.

公开(公告)号：US20230258511A1

公开(公告)日：2023-08-17

申请号：US18139228

申请日：2023-04-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuta MORIURA ,  Susumu URAGAMI ,  Takashi MATSUMOTO ,  Yodai MATSUMURA ,  Hiroyuki FURUYA ,  Hitoshi ISHIMOTO

IPC: G01L1/14

CPC classification number: G01L1/14

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; a wire member that is electrically conductive and disposed between the second base member and the electrically-conductive elastic body; and a dielectric body disposed between the electrically-conductive elastic body and the wire member. A permittivity of the dielectric body is changed in a contact surface direction in which contact of the dielectric body advances in association with increase in a load, such that a form of change in capacitance between the electrically-conductive elastic body and the wire member associated with change in the load becomes close to that of a straight line.

公开(公告)号：US20220357220A1

公开(公告)日：2022-11-10

申请号：US17874795

申请日：2022-07-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: G01L1/14 ,  G01L5/00

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; and a conductor wire disposed between the second base member and the electrically-conductive elastic body and configured as a plurality of element wires being twisted. Each element wire is configured as an electrically-conductive member which has a linear shape and of which the surface is covered by a dielectric body. A twist pitch of the plurality of element wires satisfies a conditional expression “p≤12nd”. In the expression, p is the twist pitch of the plurality of element wires, n is the number of the element wires included in the conductor wire and d is the outer diameter of each element wire.

公开(公告)号：US20240230431A1

公开(公告)日：2024-07-11

申请号：US18613811

申请日：2024-03-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: G01L1/14

CPC classification number: G01L1/142

Abstract: A load sensor includes: a base member; a plurality of electrically-conductive elastic bodies disposed on an upper face of the base member and arranged in a first direction with a predetermined gap therebetween; a plurality of electrically-conductive members each having a linear shape and extending in a second direction, the plurality of electrically-conductive members crossing the plurality of electrically-conductive elastic bodies; and a dielectric body disposed between the electrically-conductive elastic body and the electrically-conductive member.

公开(公告)号：US20240085256A1

公开(公告)日：2024-03-14

申请号：US18508167

申请日：2023-11-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yodai MATSUMURA ,  Takashi MATSUMOTO ,  Susumu URAGAMI ,  Yuta MORIURA ,  Takafumi HAMANO ,  Hiroyuki FURUYA

IPC: G01L5/101 ,  G01L1/14

CPC classification number: G01L5/101 ,  G01L1/142

Abstract: A load sensor is configured to detect, as change in capacitance, change, in a contact area between an electrically-conductive elastic body and a dielectric body, that occurs due to a load applied to an upper face of the load sensor. In the load sensor, a plurality of sensor parts each configured to detect the load are disposed so as to be arranged in a plane direction, and a buffer part configured to suppress displacement of the upper face due to the load applied to a first sensor part from being propagated to a second sensor part adjacent to the first sensor part is disposed between the first sensor part and the second sensor part.

公开(公告)号：US20230324236A1

公开(公告)日：2023-10-12

申请号：US18210539

申请日：2023-06-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: G01L1/14

CPC classification number: G01L1/142

Abstract: A load sensor includes: a base member; an electrically-conductive elastic body having a band-like shape and disposed on a surface of the base member; an electrically-conductive member disposed so as to be superposed on the electrically-conductive elastic body; a dielectric body provided between the electrically-conductive elastic body and the electrically-conductive member; and a substrate configured to connect the electrically-conductive elastic body and an external circuit. The substrate includes an electrode extending in a width direction and a length direction of the electrically-conductive elastic body, and is fixed to the base member in a state where the electrode is pressed against a surface of the electrically-conductive elastic body.

公开(公告)号：US20220244112A1

公开(公告)日：2022-08-04

申请号：US17728245

申请日：2022-04-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takashi MATSUMOTO ,  Hiroyuki FURUYA ,  Yuta MORIURA ,  Susumu URAGAMI

IPC: G01L1/14

Abstract: A load sensor includes: an element part in which capacitance changes in accordance with a load; a copper wire drawn from the element part in order to detect change in the capacitance; and a fixation tool configured to fix the copper wire to the element part. The element part includes an electrically-conductive elastic body that is electrically conductive and that forms one pole for the capacitance, and the fixation tool presses and fixes the copper wire to a surface of the electrically-conductive elastic body so as to be movable with respect to the surface of the electrically-conductive elastic body in accordance with elastic deformation of the electrically-conductive elastic body.

公开(公告)号：US20210318186A1

公开(公告)日：2021-10-14

申请号：US17043500

申请日：2019-01-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hironobu UKITSU ,  Yuta MORIURA ,  Hiroyuki FURUYA ,  Takashi MATSUMOTO ,  Yui SAWADA

IPC: G01L1/14

Abstract: A capacitance detection device includes a sensor unit including at least one sensor element whose capacitance changes, a control line applying to the sensor element a predetermined charging voltage for detecting the capacitance of the sensor element, a shield line electrically shielding the control line, a control circuit supplying the charging voltage to the sensor element via the control line, measuring a voltage change of the sensor element when the charging voltage is applied to the sensor element, and detecting the capacitance of the sensor element based on the voltage change, and an equipotential circuit setting a potential of the shield line equal to a potential of the control line.

公开(公告)号：US20210018379A1

公开(公告)日：2021-01-21

申请号：US17043622

申请日：2019-01-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hironobu UKITSU ,  Yuta MORIURA ,  Hiroyuki FURUYA ,  Takashi MATSUMOTO ,  Yui SAWADA

IPC: G01L1/14 ,  G01D5/24 ,  G01R27/26

Abstract: A capacitance detection device includes: a sensor unit including a plurality of sensor elements; row control lines; column control lines; a control circuit supplying a charging voltage to the sensor element; and an equipotential circuit outputting a potential equal to the potential of the sensor element subject to measurement. The control circuit applies a charging voltage to the row control line connected to the sensor element and connects the column control line connected to the sensor element to the ground potential side. The control circuit causes the equipotential circuit to set a potential of at least one of the row control lines other than the row control line connected to the sensor element subject to measurement and the column control lines other than the column control line connected to the sensor element subject to measurement to a potential equal to the potential of the sensor element subject to measurement.

公开(公告)号：US20250012644A1

公开(公告)日：2025-01-09

申请号：US18892611

申请日：2024-09-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shinobu MASUDA ,  Yuta MORIURA ,  Susumu URAGAMI ,  Takashi MATSUMOTO ,  Takafumi HAMANO ,  Hiroyuki FURUYA

IPC: G01L1/14

Abstract: A load sensor includes: a first electrode having, on an identical face, a first protrusion that is electrically conductive and that has elasticity, and a second protrusion having a higher elastic modulus than the first protrusion; a second electrode opposed to the first electrode with the first protrusion and the second protrusion interposed therebetween; and a dielectric body disposed on an opposing face of the second electrode.