D03D1/0088

CONDUCTIVE YARN PRESSURE SENSOR

A conductive yarn pressure sensor is proposed. The pressure sensor may include a porous fiber layer having predetermined cavities formed therein. The pressure sensor may also include a first sensing electrode made of a first conductive yarn formed on one surface of the porous fiber layer, and a second sensing electrode made of a second conductive yarn formed on the other surface of the porous fiber layer. The first sensing electrode or the second sensing electrode may be provided so as to be in contact with each other in the cavities of the porous fiber layer due to external pressure. According to an embodiment, by having conductive yarn in flexible clothing or textile material, pressure can be sensed by effectively responding to deformation due to external pressure.

Color-changing fabric and applications

A color-changing product includes a fabric. At least a portion of the fabric includes or is arranged using at least one of (i) a color-changing fiber or (ii) a color-changing yarn including the color-changing fiber. The color-changing fiber includes an electrically conductive core having a first tensile strength, a reinforcement core having a second tensile strength that is greater than the first tensile strength, and a coating disposed around and along the electrically conductive core and the reinforcement core. The coating includes a polymeric material having a color-changing pigment.

TEXTILE FABRIC IMPLEMENTING A CAPACITIVE GRID

It is disclosed a textile fabric comprising a first set of electrically conductive and externally isolated yarns (22) separated by isolating textile yarns (24); a second set of non-isolated conductive yarns (23); a plurality of textile yarns interlacing the first and the second set of yarns (22, 23), wherein part of the interlacing textile yarns are non-isolated conductive yarns (23) in order to form an electrical grounding grid with the non-isolated conductive yarns (23) of the second set of yarns and part of the interlacing textile yarns are isolating textile yarns (24).

Robotic Weaving Equipment

Weaving equipment may include warp strand positioning equipment that positions warp strands and weft strand positioning equipment that inserts weft strands among the warp strands to form fabric. The fabric may include insulating strands and conductive strands. The conductive strands may be coupled to electrical components. The warp strand positioning equipment may position the warp strands to form a shed. Component insertion equipment may be used to insert electrical components into the shed. The weaving equipment may have a reed. The reed may be used to help position an electrical component in the fabric. The weaving equipment may have take-down equipment and individually controllable warp fiber positioning and tensioning devices.

Textile component and method for producing a textile component
11473221 · 2022-10-18 · ·

The invention relates to an embodiment in which the textile component comprises at least one flexible thread that can be woven. A plurality of semiconductor columns are attached in or on the thread and are configured to generate radiation. Furthermore, a plurality of electrical lines are located in or on the thread, by means of which lines the semiconductor columns are electrically contacted. An average height (H) of the semiconductor columns in a direction transverse to a longitudinal direction (L) of the thread is at most 20% of an average diameter (D) of the thread.

Touch sensors for interactive objects with input surface differentiation
11635857 · 2023-04-25 · ·

A sensor system includes a touch sensor having a plurality of conductive sensing elements integrated with a flexible substrate. A first subset of sensing elements is coupled to a first side of the flexible substrate and a second subset of sensing elements is coupled to a second side of the flexible substrate. The sensor system is configured to obtain touch data associated with a touch input to the touch sensor. The touch data is based at least in part on a respective response to the touch input by the plurality of conductive sensing elements. The sensor system is configured to determine whether the touch input is associated with the first subset of conductive sensing elements or the second subset of conductive sensing elements based at least in part on the respective response to the touch input by the sensing elements.

Switching fibers for textiles

A method of forming a color-changing fiber that can be incorporated into fabrics and other woven materials. The color changing fibers include an annular wall and a conductive wire axially extending through the annular wall, a core strand surrounded by the annular wall and extending axially through a central portion of the fiber, and an encapsulated electro-optic medium disposed on a surface of the core strand.

MULTI-SENSOR RESISTIVE TEXTILE ECG SYSTEM
20230123028 · 2023-04-20 ·

An ECG sensor system comprising: a substrate having a first side and a second side, the substrate of a non-conducting material; a plurality of textile-based sensors positioned on the first side, each of the plurality of textile-based sensors spaced apart from one another on the first side, the second side covering one side of the each of the plurality of textile-based sensors as an insulating covering, the each of the plurality of textile-based sensors including conductive fibres interlaced with one another; and a conductive trace connected to the each of the plurality of textile-based sensors, each of the conductive traces for connecting the plurality of textile-based sensors to an electronic controller for sending and receiving electronic signals from a selected pair of the plurality of textile-based sensors.

SEMICONDUCTING MATERIALS WITH SURROUNDING RADIAL P-N DIODES
20230064697 · 2023-03-02 ·

A flexible wire comprises a conductive core surrounded by one or more radial p-n diodes and alternating conductive and non-conductive bands along an outermost surface. Methods for producing the wire are also disclosed, as are textiles and other flexible materials comprising or consisting of such flexible wires.

Fabric sensing device

A touch-sensitive textile device that is configured to detect the occurrence of a touch, the location of a touch, and/or the force of a touch on the touch-sensitive textile device. In some embodiments, the touch-sensitive textile device includes a first set of conductive threads oriented along a first direction, and a second set of conductive threads interwoven with the first set of conductive threads and oriented along a second direction. The device may also include a sensing circuit that is operatively coupled to the first and second set of conductive threads. The sensing circuit may be configured to apply a drive signal to the first and second set of conductive threads. The sensing circuit may also be configured to detect a touch or near touch based on a variation in an electrical measurement using the first or second set of conductive threads.