Abstract: According to various aspects, exemplary embodiments are disclosed of a Bluetooth attribute repeating and aggregating apparatus. In an exemplary embodiment, a Bluetooth attribute repeating and aggregating apparatus generally includes first and second communication modules. The first communication module is configured as a Bluetooth master for receiving attributes from one or more target Bluetooth slave devices. The second communication module is configured as a Bluetooth slave for processing the received attributes and transmitting corresponding attribute information to a control Bluetooth master device. The first communication module is coupled to the second communication module via a hardware interface. The first communication module is configured to transmit the received attributes to the second communication module via the hardware interface.

Abstract: Exemplary embodiments are provided of multiple-antenna systems with enhanced and/or good isolation and directivity. In one exemplary embodiment, a system generally includes a ground plane and two or more antenna elements coupled to the ground plane. The system also includes two or more low frequency isolators/reflectors and two or more high frequency isolators/reflectors coupled to the ground plane.

Abstract: According to various aspects, antenna elements are provided for multi-band sleeve dipole antenna assemblies for use with wireless application devices. The antenna elements generally include first and second radiating elements. The first radiating elements may be tuned for receiving electrical resonant frequencies within a first frequency bandwidth. The second radiating elements may be tuned for receiving electrical resonant frequencies within a second frequency bandwidth different from the first frequency bandwidth.

Abstract: A metallized film-over-foam contact suitable for circuit grounding of surface mount technology devices generally includes a silicone foam resilient core member, a solderable electrically conductive layer, and an adhesive bonding the solderable electrically conductive layer to the resilient core member. The adhesive has no more than a maximum of 900 parts per million chlorine, no more than a maximum of 900 parts per million bromine, and no more than a maximum of 1,500 parts per million total halogens.

Abstract: Heating assemblies for one or more rechargeable batteries include a flexible heating element positionable about the one or more rechargeable batteries, a temperature sensor configured to sense a temperature adjacent the one or more rechargeable batteries, and a control circuit configured to receive the sensed temperature from the temperature sensor. The control circuit is configured to connect the charger to the flexible heating element for allowing power to flow from the charger to the flexible heating element in response to the sensed temperature adjacent the one or more rechargeable batteries falling below a defined threshold temperature. The temperature sensor is adjacent the flexible heating element. The flexible heating element is configured to receive power from a charger that is operable for charging the one or more rechargeable batteries. Systems including the one or more heating assemblies are also disclosed.

Abstract: A system for odometer calibration for a motor vehicle is provided. The system can include a first source of speed data that provides first speed data during operation of the motor vehicle, and a second source of speed data that provides second speed data during a portion of the operation. The system can also include a vehicle speed control module that computes overall average speed data based on the first speed data and a duration of operation. The system includes a speed control module that determines an average first speed for the portion of the operation in which the second source of speed data provides the second speed, and computes an average second speed. The system can include an odometer correction control module that computes corrected odometer data based on the overall average speed data and a ratio of the average second speed to the average first speed.

Abstract: Disclosed are exemplary embodiments of multiband multiple input multiple output (MIMO) vehicular antenna assemblies for installation to a vehicle body wall. In exemplary embodiments, a multiband MIMO vehicular antenna assembly generally includes at least one cellular antenna configured to be operable over one or more cellular frequencies (e.g., Long Term Evolution (LTE), etc.), at least one satellite antenna configured to be operable over one or more satellite frequencies (e.g., Global Navigation Satellite System (GNSS), satellite digital audio radio services (SDARS), etc.) and at least one Dedicated Short Range Communication (DSRC) antenna configured to be operable over DSRC frequencies.

Abstract: A molded connector gasket of indefinite length or circumference that provides electromagnetic interference shielding of electronic components is disclosed. The disclosed gasket may have a cross-sectional profile comprising three protruding members including a first member being generally vertical, a second member being generally forty-five degrees from the first member via a curve, and a third member protruding from the second member near the curve, the third member being at an angle generally less than vertical but more than forty five degrees with respect to the second member.

Abstract: Disclosed herein are various exemplary embodiments of multi-band, wide-band antennas. In exemplary embodiments, the antenna generally includes an upper portion and a lower portion. The upper portion includes two or more upper radiating elements and one or more slots disposed between the two or more upper radiating elements. The lower portion includes three or more lower radiating elements and one or more slots disposed between the three or more lower radiating elements. A gap is between the upper and lower portions such that the upper radiating elements are separated and spaced apart from the lower radiating elements.

Abstract: Exemplary embodiments are provided of multi-band Planar Inverted-F antennas and antenna systems including the same. In an exemplary embodiment, a Planar Inverted-F antenna (PIFA) generally includes a planar radiator or upper radiating patch element having a slot. A lower surface of the PIFA is spaced apart from the upper radiating patch element. First and second shorting elements electrically connect the planar radiator to the lower surface. The PIFA also includes a feeding element electrically connected between the upper radiating patch element and the lower surface. The PIFA may be mounted on a ground plane that is larger than the lower surface of the PIFA.

Abstract: According to various aspects, exemplary embodiments are disclosed of antenna assemblies and methods of manufacturing the same. In an exemplary embodiment, a method generally includes forming (e.g., molding, etc.) a sleeve over and/or between a first portion of a first component (e.g., a bushing, etc.) and a second portion of a second component (e.g., adaptor, etc.). The sleeve is coupled to the first and second portions of the respective first and second components. The method may also include removably attaching an antenna connector subassembly to the first component such that a printed circuit board assembly of the antenna connector subassembly is covered by the sleeve. The method may additionally include overmolding a sheath over the sleeve and one or more radiating elements of a multiband antenna assembly that includes the antenna connector subassembly, whereby the sleeve covers and protects the printed circuit board assembly during the overmolding.

Abstract: According to various aspects, exemplary embodiments are disclosed of antenna assemblies having dipole elements and Vivaldi elements. In an exemplary embodiment, an antenna assembly includes a plurality of dipole elements operable in at least a first frequency range and a plurality of Vivaldi elements operable in at least a second frequency range. The plurality of Vivaldi elements may be crossed or arranged relative to each other in a cruciform or a crossed Vivaldi arrangement.

Abstract: Disclosed are exemplary embodiments of multiband antenna assemblies, which generally include helical and linear radiating elements. In an exemplary embodiment, a multiband antenna assembly may generally include at least one helical radiator having a longitudinal axis. At least one linear radiator is aligned with and/or disposed at least partially along the longitudinal axis of the at least one helical radiator. The antenna assembly is resonant in at least three frequency bands.

Abstract: An exemplary embodiment of a base assembly includes a printed circuit board and a balun coupled to the printed circuit. The printed circuit board and balun are configured to be operable for providing impedance matching via a matching network that includes a first inductor, a second inductor, and a concentric capacitance. The base assembly is operable for providing a multiband antenna assembly with impedance matching simultaneously with more than one frequency band.

Abstract: Disclosed are exemplary embodiments of multiband multiple input multiple output (MIMO) vehicular antenna assemblies for installation to a vehicle body wall. In exemplary embodiments, a multiband MIMO vehicular antenna assembly generally includes at least one cellular antenna configured to be operable over one or more cellular frequencies (e.g., Long Term Evolution (LTE), etc.), at least one satellite antenna configured to be operable over one or more satellite frequencies (e.g., Global Navigation Satellite System (GNSS), satellite digital audio radio services (SDARS), etc.) and at least one Dedicated Short Range Communication (DSRC) antenna configured to be operable over DSRC frequencies.

Abstract: Disclosed are exemplary embodiments of a flame retardant, electrically conductive adhesive material. In an exemplary embodiment, a flame retardant, electrically conductive adhesive material suitable for use as tape generally includes a layer of adhesive. A layer of electrically conductive fabric is on the layer of adhesive. A flame retardant coating is on the layer of electrically conductive fabric. The flame retardant coating includes a carbon-containing resin.

Abstract: Exemplary embodiments are disclosed of antenna mast assemblies, which may be configured for multiband operation for automobiles or other vehicular applications. In an exemplary embodiment, an antenna mast assembly generally includes a coil radiator including a first coil portion and a second coil portion. The antenna mast assembly also includes a support having a first end portion, a second end portion, a first protruding portion, and a second protruding portion. The coil radiator is disposed about at least a portion of the support such that the first coil portion is between the first protruding portion and the first end portion of the support, and such that the second coil portion is between the second protruding portion and the second end portion of the support.

Abstract: According to various aspects, exemplary embodiments are disclosed of thermal interface materials, electronic devices, and methods for establishing thermal joints between heat spreaders or lids and heat sources. In exemplary embodiments, a method of establishing a thermal joint for conducting heat between a heat spreader and a heat source of an electronic device generally includes positioning a thermal interface material (TIM1) between the heat spreader and the heat source.

Abstract: A fabric over foam electromagnetic interference gasket has a body of indefinite length, and includes a layer of dielectric material thereon. The gasket may be compressed between two substrates and provide electrical conductivity in one axis and EMI shielding and nonconductivity in a perpendicular axis.