Abstract: A communications node includes an apparel item in the form of a backpack attachment that includes a panel, first and second arms extending therefrom. An antenna element and A/V hub may be affixed to an arm. The attachment may include a communications device and battery. A control circuit may be communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub may demountably and communicatively couple to an audio/video source. The control circuit may establish a mesh network with computing devices. The antenna element may include a graphene polymer conductive composition. The graphene may form a three-dimensional percolated network within the polymer matrix. The apparel item may include a multilayered material that reflect RF radiation generated by the antenna element away from the apparel item. The layer may include a conductive material. The layer may include a foam.

Abstract: A communications node includes an apparel item in the form of a harness that includes a primary portion. A halo element extends from the primary portion and is configured to be worn about the neck. A fastener that demountably couples the primary portion to the halo element. An antenna element positioned within the apparel item. An A/V hub is affixed to the halo portion and configured to receive audio/video input. The apparel item also includes a communications device and battery. A control circuit is communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub demountably and communicatively couples to an audio/video source. The control circuit is configured to establish a self-organizing WAN with computing devices that connect directly, dynamically, and non-hierarchically to the WAN. The antenna elements include a graphene polymer conductive composition. The apparel item is multilayered and reflects RF radiation.

Abstract: A communications node includes an apparel item in the form of a harness that includes a primary portion. A halo element extends from the primary portion and is configured to be worn about the neck. A fastener that demountably couples the primary portion to the halo element. An antenna element positioned within the apparel item. An A/V hub is affixed to the halo portion and configured to receive audio/video input. The apparel item also includes a communications device and battery. A control circuit is communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub demountably and communicatively couples to an audio/video source. The control circuit is configured to establish a self-organizing WAN with computing devices that connect directly, dynamically, and non-hierarchically to the WAN. The antenna elements include a graphene polymer conductive composition. The apparel item is multilayered and reflects RF radiation.

Abstract: A communications node includes an apparel item in the form of a shoulder belt that includes an open state, closed state, and main body. A first portion curvingly extends from the main body. A second portion angularly extends from the main body opposite the first portion. A primary fastener demountably couples the first and second portions together when in the closed state. An antenna element and communications device are positioned within the apparel item. An hub is affixed to the apparel item and configured to receive audio/video input. A battery is positioned adjacent to the apparel item. A control circuit is positioned within the apparel item and coupled to the antenna element, hub, communications device, and battery. The control circuit establishes a self-organizing WAN with a plurality of computing devices each directly, dynamically, and non-hierarchically connected to the WAN; and communicates with the computing devices using the self-organizing WAN.

Abstract: A communications node includes an apparel item in the form of a harness that includes a primary portion. A halo element extends from the primary portion and is configured to be worn about the neck. A fastener that demountably couples the primary portion to the halo element. An antenna element positioned within the apparel item. An A/V hub is affixed to the halo portion and configured to receive audio/video input. A communications device and battery are positioned within the apparel item. A control circuit is positioned within the apparel item and communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub includes a microphone. The control circuit is configured to establish a self-organizing wide area network with a plurality of computing devices that connect directly, dynamically, and non-hierarchically to the WAN.

Abstract: A communications node includes an apparel item in the form of a shoulder belt that includes an open state, closed state, and main body. A first portion curvingly extends from the main body. A second portion angularly extends from the main body opposite the first portion. A primary fastener demountably couples the first and second portions together when in the closed state. An antenna element and communications device are positioned within the apparel item. An hub is affixed to the apparel item and configured to receive audio/video input. A battery is positioned adjacent to the apparel item. A control circuit is positioned within the apparel item and coupled to the antenna element, hub, communications device, and battery. The control circuit establishes a self-organizing WAN with a plurality of computing devices each directly, dynamically, and non-hierarchically connected to the WAN; and communicates with the computing devices using the self-organizing WAN.

Abstract: Embodiments of the present invention relate to transponder fabrication. In an embodiment, a plurality of antenna elements is applied to a first substrate at a first pitch. A plurality of fully functioning first transponders is positioned on to the first substrate in a manner to each be in electrical communication with an antenna element included in the plurality of antenna elements and thereby forms a plurality of fully functioning second transponders. The plurality of fully functioning first transponders are positioned on a second substrate at a second pitch. The plurality of fully functioning first transponders have a first read range. Second transponders have an increased read range relative to second transponders. The second pitch is greater than the first pitch.

Abstract: Embodiments of the present invention relate to microphones diaphragms. In one embodiment, a sensor comprising a diaphragm comprised of a composition having a plurality of individual graphene sheets. An emitter formed in a manner to transmit lights towards a surface of the diaphragm. A collector that captures at least a portion of light that is reflected by the diaphragm. A converter is in communication with the detector that converts a signal that is generated by the sensor to a digital signal for processing. The graphene-based composition includes graphene sheets.

Abstract: Embodiments of the present invention relate to an electrical switch or sensor. In one embodiment, the electrical switch or sensor comprises a first electrical pole conductively coupled to a first side of a layer of variable resistance material. A second electrical pole is conductively coupled to a second side of the variable resistance material. The first side of the variable resistance material positioned distal to the second side of the variable resistance material. The variable resistance material comprises a polymer comprising a glass transition temperature of no higher than about 10° C. The first electrical pole and/or the second electrical pole comprise an electrically conductive ink or coating having a dispersion of graphene sheets. The graphene sheets completely comprise fully exfoliated single sheets of graphene. The graphene sheets comprise a lattice having heteroatoms incorporated therein and/or functional groups attached thereto.

Abstract: In some embodiments, transfer print circuits and associated fabrication methods are provided. In some embodiments, some transfer print circuits include a graphene sheet-based conductive composition printed on at least a portion of a first layer. A second layer is in communication with at least a portion of the first layer in a manner that at least covers a portion of the graphene sheet-based conductive composition. An electrical device is in electronic communication with the graphene sheet-based conductive composition. The graphene sheet-based conductive composition includes graphene sheets having an interconnectivity and a horizontal alignment.

Abstract: Electrical switches or sensors that comprise (a) a first electrical pole, (b) a layer of a variable resistance material in electrical contact with the first electrical pole, and (c) a second electrical pole that is in electrical contact with the variable resistance material and is not in electrical contact with the first pole, wherein the variable resistance material comprises at least one polymer having a glass transition temperature of no higher than about 10° C.

Abstract: Embodiments of the present invention relate to a conductive composition, an ink or coating, and an article. The conductive composition comprises graphene sheets, graphite, and carbon black. A conductive ink or coating comprising graphene sheets, graphite, and carbon black.

Abstract: Embodiments of the present invention relate to graphene-based capacitive sensors. In one embodiment, a touch sensor comprises a non-porous insulating substrate having a first side and a second side. A first conductive material is at least partially in communication with the first side. A second conductive material is at least partially in communication with the first side. A third conductive material is at least partially in communication with the second side. The first conductive material and the second conductive material are in communication. The first conductive material forms a linearization pattern. The first conductive material includes a metal. The second conductive material and/or third conductive material comprise graphene sheets.

Abstract: A method of making a composition, comprising blending a mixture comprising graphene sheets, one or more cyclic compounds having at least one ring having two or more conjugated double and/or triple bonds, and at least one solvent, wherein the one or more cyclic compounds have a solubility of no more than about 5 percent, based on the weight of the one or more cyclic compounds and solvent.

Abstract: Embodiments of the present invention relate to transponder fabrication. In an embodiment, a plurality of antenna elements is applied to a first substrate at a first pitch. A plurality of fully functioning first transponders is positioned on to the first substrate in a manner to each be in electrical communication with an antenna element included in the plurality of antenna elements and thereby forms a plurality of fully functioning second transponders. The plurality of fully functioning first transponders are positioned on a second substrate at a second pitch. The plurality of fully functioning first transponders have a first read range. Second transponders have an increased read range relative to second transponders. The second pitch is greater than the first pitch.

Abstract: A transponder comprises a first polymer layer. A radio frequency (“RF”) transponder is affixed to the first polymer layer, wherein the RF transponder includes a processor in electrical communication with a graphene-based antenna. A second polymer layer is formed on the first polymer layer and the RF transponder. The first polymer layer and second polymer layer form an encasement around the RF transponder. The encasement has a hermeticity of about 10?7 to about 10?12 atm·cc/sec. The encasement provides improved impact, temperature, vibration, chemical, and/or corrosion protection to the RF transponder.

Abstract: Compositions comprising graphene sheets, graphite, at least one binder, a carrier system. About 1 to about 50 weight percent of the carrier system comprises at least one of a cyclic imide and lactone. The graphene sheets consist of fully exfoliated single sheets of graphite. The ratio by weight of graphite to graphene sheets is from about 50:50 to about 85:15. The composition may be used as coatings and inks.

Abstract: A transponder comprises a first polymer layer. A radio frequency (“RF”) transponder is affixed to the first polymer layer, wherein the RF transponder includes a processor in electrical communication with a graphene-based antenna. A second polymer layer is formed on the first polymer layer and the RF transponder. The first polymer layer and second polymer layer form an encasement around the RF transponder. The encasement has a hermeticity of about 10?7 to about 10?12 atm·cc/sec. The encasement provides improved impact, temperature, vibration, chemical, and/or corrosion protection to the RF transponder.

Abstract: Article comprising at least one leather and/or artificial leather component that is coated with an ink or coating comprising graphene sheets.