A fabric-based item may include fabric such as woven fabric having insulating and conductive yarns or other strands of material. The conductive yarns may form signal paths. Electrical components can be embedded within pockets in the fabric. Each electrical component may have an electrical device such as a semiconductor die that is mounted on an interposer substrate. The electrical device may be a light-emitting diode, a sensor, an actuator, or other electrical device. The electrical device may have contacts that are soldered to contacts on the interposer. The interposer may have additional contacts that are soldered to the signal paths. The fabric may have portions that form transparent windows overlapping the electrical components or that have other desired attributes.

A stretchable sensing structure includes a stretchable sensing array, signal transmission lines, and a signal processing element. The stretchable sensing array includes at least two first sensing electrodes arranged in an array. The first sensing electrodes sense different physiological signals. Each first sensing electrode includes a first stretchable substrate layer, a pre-stretched pattern layer formed on the first stretchable substrate layer, and an electrode sheet formed on the first stretchable substrate layer and in electrical contact with the pre-stretched pattern layer. A material of the electrode sheet is carbon paste. The first sensing electrode senses different physiological signals. Two adjacent first sensing electrodes are electrically connected through the signal transmission line. The first sensing electrode is electrically connected to the signal processing element through the signal transmission line.

The acoustic fiber transducer has a piezoelectric domain with Young's modulus, E.sub.piezo, and including a non-centrosymmetric crystalline-phase piezoelectric material and inorganic piezoelectric particles. At least one charge collector domain is in electrical connection with the piezoelectric domain and includes an electrically conductive material operative to collect electrical charge generated in the piezoelectric domain. At least one electrical conductor is in electrical contact with the at least one charge collector domain and includes an electrically conductive material operative to transport electrical charge from a charge collector domain to an end of the acoustic fiber transducer as an electrical signal indicative of input acoustic sound pressure on a matrix of textile fibers that includes the acoustic fiber transducer. Outer acoustic energy transmission material has a Young's modulus E.sub.trans, of 0.3 Pa-500 MPa, for matching vibrational modes of the textile fiber matrix. A ratio of E.sub.piezo/E.sub.trans is between about 5 and about 70,000.

An article of footwear can comprise: an upper, and a sole assembly connected to the upper to form a receptacle for a human foot, the sole assembly can comprise: a cushion comprising an exterior wall that forms an enclosure; an antenna disposed within the enclosure; and a microchip connected to the antenna. A method of manufacturing an article of footwear can comprise: positioning an electronic communication device between two plies of polymer laminate; heating the two plies of polymer laminate to form a weld area and a cushion area, wherein the electronic communication device becomes encapsulated between the two plies of polymer laminate, inflating the cushion area with a gas; and sealing the cushion area.

A fabric-based item may include fabric formed from intertwined strands of material with embedded circuitry. The strands of material may be formed from dielectric materials such as polymers. The strands of material may be formed from joined segments of polymer strand material or other material. Each joined segment may contain a potentially distinct circuit. Some joined segments may include one or more conductive lines. The conductive lines may run parallel to each other along the length of the joined segments to form circuit interconnects. Conductive lines may be joined to contact pads on integrated circuits and other embedded components formed from semiconductor dies. Control circuitry formed from the integrated circuits embedded in strands of material in the fabric and other control circuitry may be used to control the circuitry embedded in the fabric.

A color-changing product includes a fabric. The fabric includes a first layer and a second layer. The first layer is arranged using at least one fiber. The at least one fiber includes (a) an electrically conductive core and (b) a coating disposed around and along the electrically conductive core. The second layer is printed onto the first layer. The second layer includes a foreground thermochromic pigment that is selectively activatable by providing an electrical current to the electrically conductive core of the at least one fiber to change at least one of a foreground color or a pattern of the second layer.

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.

Disclosed is a wearable step counter system comprising a garment for a wearer's legs, a capacitive electrode and a microcontroller, said garment comprising a textile fabric portion, said capacitive electrode comprising an electrically conductive yarn woven into said textile fabric portion, said textile fabric portion being arranged on said garment for providing a parasitic capacitive coupling between said capacitive electrode and a wearer's leg, said microcontroller being electrically connected to said capacitive electrode for evaluating said parasitic capacitive coupling so that the relative movement between the wearer's legs is detected by the microcontroller.

A fabric-based item may include fabric formed from intertwined strands of material such as intertwined strands of tubing. The strands of material may include electrophoretic ink formed from charged nanoparticles of different colors in fluid. The electrophoretic ink may be contained within strands of tubing or may be enclosed within encapsulation structures such as encapsulation spheres. Encapsulation spheres or other encapsulation structures may be embedded in clear polymer binder within tubing or other strands. Electroluminescent particles may be included in the clear polymer binder. Electric fields can be applied to the electrophoretic ink in a given area of the fabric using conductive strands that overlap the area, using conductive electrodes such as transparent conductive electrodes on strands of tubing, using coaxial electrodes, or using other electrode structures.

The present invention provides an electronic net for security during transportation, whereas the net body of electronic net is knitted with a braided wire which has a conductive wire inside, or even it is formed by multiple subnets and the conductive wires between subnets are connected in series. Both metal ends of conductive wire of the net body are connected to electronic lock. If the conductive wire in the braided wire is disconnected due to the damage of net body, the electronic lock rapidly detect the error. Even though the disconnected conductive wire is reconnected again, the error record in the electronic lock cannot be eliminated. Therefore, once the goods finish the X-ray security check, it is covered with the electronic net and locked to the bottom plate with fixing belt, and then identify it with the strap before transportation. And the staff needs to check the electronic lock if there is any error signal and observe the identifiers of the straps if they are consistent with the record and damaged or not As above to complete the inspection of the security problems in transportation. The process is simple and reduces the security loopholes caused by negligence.