Abstract: A bi-metal actuator includes a shape memory alloy layer thermally actuated, a superelastic alloy layer fixed along to at least a part of the shape memory alloy layer, and at least one deformation sensor. The shape memory alloy layer has an initial shape at or below a transition start temperature TS and a final shape at or above a transition end temperature TE, has transitional shapes between the initial shape and the final shape which is formed according to the temperature between the transition start temperature TS and the transition end temperature TE of the shape memory alloy layer. The at least one deformation sensor is provided along at least a part of the superelastic alloy layer for measuring strain values of the superelastic alloy layer indicating the current form of the shape memory alloy layer.

Abstract: A vehicle, an antenna assembly of the vehicle, and a method of assembling the antenna is disclosed. The vehicle includes a housing having a passage formed therethrough. A circuit board is disposed within the housing. An antenna element is coupled to the circuit board and passes through the passage. A plug fills an annular volume of the passage between the antenna element and the housing.

Abstract: An antenna cap includes a housing defining an elongate continuous sidewall, the continuous sidewall defining a first end and a second end, an end wall extending from the first end, the end wall and continuous sidewall defining an interior cavity for receiving an antenna, an opening defined at the second end and configured for access to the interior cavity; and a fastener proximate the second end and configured for attaching the housing to the antenna node, the fastener formed with the continuous sidewall, wherein a length of the continuous sidewall between the first end and the fastener is greater than a length of the fastener, and wherein the continuous sidewall defines a consistent outer sidewall diameter from the first end to the fastener.

Abstract: Various embodiments of molds and methods are disclosed herein for fabricating a radio frequency (RF) coil. The disclosed mold includes a cylindrical inner core having a first helically shaped groove formed within an outer surface of the cylindrical inner core, and a two-piece compression sleeve having a second helically shaped groove formed within an inner surface of the two-piece compression sleeve. When portions of the two-piece compression sleeve are attached together, the two-piece compression sleeve surrounds the cylindrical inner core and provide a compressive force to a conductor arranged within the first and second helically shaped grooves to fabricate the RF coil. In some embodiments, a three-dimensional (3D) printing process may be used to fabricate each piece of the mold separately.

Abstract: The present invention relates to a corrosion-induced shape memory fiber, a preparation method and application thereof. The corrosion-induced shape memory fiber is composed of a core fiber and/or a core fiber with a corrosion-resistant coating, and a corrodible coating; the core fiber and/or the core fiber with the corrosion-resistant coating are in a tensile stress state along the length of the corrosion-induced shape memory fiber; the corrodible coating is in a compressive stress state along the length of the corrosion-induced shape memory fiber; the core fiber and/or the core fiber with the corrosion-resistant coating and the corrodible coating are in a tensile-compressive equilibrium state along the length of the corrosion-induced shape memory fiber; and the corrodible coating is coated outside the core fiber and/or the core fiber with the corrosion-resistant coating.

Abstract: A telematics verification system for the testing of a vehicle telematics system, including: a conductive ground plate adapted to be disposed under a vehicle when testing the vehicle telematics system using the telematics verification system; a conductive cover adapted to be disposed over and about an exterior surface of the vehicle and an antenna of the vehicle when testing the vehicle telematics system using the telematics verification system; a downlink antenna adapted to be arranged inside the conductive cover, wherein the downlink antenna is configured to wirelessly transmit a downlink signal inside the conductive cover, wherein the downlink signal is wirelessly receivable by the antenna of the vehicle; and an uplink antenna adapted to be arranged inside the conductive cover, wherein the uplink antenna is configured to wirelessly receive an uplink signal inside the conductive cover, wherein the uplink signal is wirelessly receivable from the antenna of the vehicle.

Abstract: A dielectric structure applied to building components for increasing a transmittance of an RF signal is provided. The dielectric structure includes a structural body and a fixing component. The structural body includes at least one dielectric material layer, and a dielectric constant of each dielectric material layer is between 1 and 10,000. The fixing component joins the structural body and a joining component. A composite structure after the dielectric structure and building components are joined may have the RF signal of the working frequency f0 pass and reduce the reflection loss. The minimum equivalent diameter of a projection plane on a surface of the joining component of the dielectric structure on a surface through which an RF signal passes is no less than one-eighth of a working wavelength ?0 corresponding to the working frequency f0.

Abstract: A support assembly includes a first support member, a second support member, and/or a rod. The first support member and/or the second support member may be connected via the rod. The first support member and/or the second support member may be configured to move longitudinally along the rod. The first support member and/or the second support member may be configured to rotate about the rod. The first support member and/or the second support member may be configured to selectively engage a track. The first support member may include a first contact member and/or a third contact member. The second support member may include a second contact member and/or a fourth contact member. The first contact member may be configured to move with the third contact member, and/or the second contact member may be configured to move with the fourth contact member.

Abstract: A quick action connector comprises a quick action base and a cam lock, wherein: the quick action base comprises a retaining sleeve, a base body, at least two rivets, a disk, and a biasing spring; and the cam lock comprises a cam arm having a tapered end with rivet slots, wherein the rivets extend from an inner diameter of the retaining sleeve, the spring biases the disk the rivets when the cam arm is not inserted into the base and biases the disk against the tapered end of the cam arm when the cam lock is inserted in the base and rotated such that the rivet slots engage the rivets.

Abstract: A vehicle includes: a roof panel; an antenna disposed on an edge portion of one side the roof panel; and a vector transformer extending from the edge portion of one side of the roof panel to an outside of the roof panel. A surface area of the vector transformer may be smaller than that of the roof panel.

Abstract: A portable communication device and antenna device with removeable matching circuit is provided. The antenna device includes: a base; an antenna element; an electrical connector at the base; a matching circuit removably positioned between the electrical connector and the antenna element, the electrical connector and the antenna element in electrical communication via the matching circuit; and a shell removably attached to the base, the shell surrounding and protecting the matching circuit. The portable communication device includes the antenna device, for example removably attached to an antenna receptacle.

Abstract: A bushing includes: an elongate electrical conductor; an insulation layer arranged around the elongate electrical conductor; an electrically conducting sleeve coaxially arranged with the electrical conductor; and a ring shaped printed circuit board with electrical components coaxially arranged around the electrical conductor. The sleeve and the printed circuit board are embedded in the insulation layer. The ring shaped printed circuit board is positioned in an axial direction between both ends of the electrically conducting sleeve.

Abstract: A smart attachment, or more particularly a wireless beacon for coupling with at least one of an attachment and a work vehicle that operates in rugged environments. The beacon comprises a cylindrical housing with a proximal surface and a distal surface coupled with a fastener. This beacon may further comprise a power source, a printed circuit board, an antenna, and an accelerometer, all located within the cylindrical housing.

Abstract: A method for diagnosing the status of a communication link between an interior relay antenna and an exterior relay antenna of a motor vehicle. The method includes measuring a first voltage value defined between the midpoint of the electrical circuit and the second ground when the switch is in the open position, measuring a second voltage value defined between the midpoint of the electrical circuit and the second ground when the switch is in the closed position, calculating the value of the variable resistor from the first measured voltage value, from the second measured voltage value, from the value of the voltage defined across the terminals of the voltage source and from the values of the first resistor and of the second resistor, and diagnosing the status of the communication link on the basis of the calculated value of the variable resistor.

Abstract: A multiplexer includes a common terminal connected to an inductance element at a connection path with an antenna element, filter elements including different pass bands and connected to the antenna element with the common terminal therebetween, and an inductance element arranged in series between a transmission filter with a largest capacitance when viewed from the antenna side among the filter elements and the common terminal. An inductive component of the inductance element and a capacitive component of the transmission filter element define an LC series resonant circuit, and a resonant frequency of the LC series resonant circuit is lower than any of pass bands of the filter elements.

Abstract: The invention relates to a system for connecting a medical implant to an insertion aid, comprising: a first spiral connecting device at the proximal end of the medical implant, a second spiral connecting device at the distal end of the insertion aid, a core wire, which in a first operating state of the system fixes the first spiral connecting device and the second spiral connecting device in relation to one another, wherein in the first operating state the first spiral connecting device and the second spiral connecting device at least partially engage in one another and the core wire extends through the first spiral connecting device and the second spiral connecting device.

Abstract: A third brake light antenna adapter includes an antenna base attached to a spacer that is installed between the vehicle third brake light and the third brake light opening. The spacer is provided with gaskets, substantially identical to the OEM third brake light gaskets, which provide weatherproof seals between the spacer and the vehicle and between the spacer and the third brake light. Special support brackets enable the spacer to grip the inside of the vehicle passenger compartment to hold it securely to the vehicle without extensive modifications to the vehicle structure itself.

Abstract: An electronic device may be provided with wireless circuitry and control circuitry. The wireless circuitry may include an antenna with an inverted-F antenna resonating element formed from portions of a peripheral conductive electronic device housing structure and may have an antenna ground that is separated from the antenna resonating element by a gap. The antenna may include a first adjustable component coupled between the antenna resonating element arm and the antenna ground on a first side of the antenna feed and a second adjustable component coupled between the antenna resonating element arm and the antenna ground on a second side of the antenna feed. Control circuitry in the electronic device may adjust the first and second adjustable components between a first tuning mode, a second tuning mode, and a third tuning mode.

Abstract: A third brake light antenna adapter includes an antenna base attached to a spacer that is installed between the vehicle third brake light and the third brake light opening. The spacer is provided with gaskets, substantially identical to the OEM third brake light gaskets, which provide weatherproof seals between the spacer and the vehicle and between the spacer and the third brake light. Special support brackets enable the spacer to grip the inside of the vehicle passenger compartment to hold it securely to the vehicle without extensive modifications to the vehicle structure itself.

Abstract: A complex antenna configured to transmit or receive radio-frequency signals includes a first antenna unit and a second antenna unit. The first antenna unit is fixed to the second antenna unit with a first included angle, and the complex antenna does not have a closed annular structure.

Abstract: A third brake light antenna adapter includes an antenna base attached to a spacer that is installed between the vehicle third brake light and the third brake light opening. The spacer is provided with gaskets, substantially identical to the OEM third brake light gaskets, which provide weatherproof seals between the spacer and the vehicle and between the spacer and the third brake light. Special support brackets enable the spacer to grip the inside of the vehicle passenger compartment to hold it securely to the vehicle without extensive modifications to the vehicle structure itself.

Abstract: The invention relates to a roof antenna (1) comprising a base plate (5) and an outer hood (3) for mounting on a roof (2) of a vehicle, the roof antenna (1) having a fastening mechanism (8) comprising a mounting screw (81) and a fastening claw (82) interacting therewith, characterized in that the base plate (5) forms a socket (83) on which the fastening claw (82) is fixed, and the fastening claw (82) forms a seat cavity (87) for the mounting screw (81), the seat cavity being free prior to insertion of the mounting screw (81) and filled by the mounting screw (81) after insertion thereof.

Abstract: A digital radio receiver system is provided as a single module for retro-fit connection to the external antenna connector of a vehicle or the like. The system includes an antenna connected to a radio receiver which is configured to scan and receive digital radio channels through the antenna. There is also a wireless communications module for wirelessly transmitting to an external display and control unit information relating to the available channels and for receiving back a selected channel. A transmitter is provided for decoding a selected channel and transmitting it as a modulated signal down a wired feed from the eternal antenna connector to an analog radio head unit for output on a given channel. A renewable energy unit is provided on the module for powering the receiver, communications module and transmitter.

Abstract: A method for attaching a relay module to a fire hydrant comprises positioning the relay module adjacent to the fire hydrant, the fire hydrant comprising a hydrant body and a bonnet coupled to the hydrant body by a plurality of fasteners, the bonnet mounted on top of the hydrant body, the relay module comprising a radio housing defining a top surface, a mast connected to the radio housing and extending upwards from the top surface, and a mounting bracket attached to the top surface, the mounting bracket engageable with the hydrant body; and securing the relay module to the fire hydrant such that the mounting bracket and a portion of the top surface is positioned beneath the bonnet.

Abstract: A multiplexer includes a common terminal connected to an inductance element at a connection path with an antenna element, filter elements including different pass bands and connected to the antenna element with the common terminal therebetween, and an inductance element arranged in series between a transmission filter with a largest capacitance when viewed from the antenna side among the filter elements and the common terminal. An inductive component of the inductance element and a capacitive component of the transmission filter element define an LC series resonant circuit, and a resonant frequency of the LC series resonant circuit is lower than any of pass bands of the filter elements.

Abstract: An antenna assembly for a vehicle that includes an AM/FM mast antenna element for AM/FM signals and a WiFi or DSRC antenna element positioned at a tip of the mast, where the antenna assembly is mounted to a vehicle roof and where the WiFi or DSRC antenna element extends above a roof line of the vehicle.

Abstract: An antenna device includes a round plug having a rotation mechanism section on one end thereof, where round plug is removably attached to a round jack arranged in an electronic apparatus; and a rod antenna element. In the antenna device, the rod antenna element is connected to the rotation mechanism section of the round plug and rotatable in a predetermined direction.

Abstract: To provide a sleeve antenna that can be attached to a chassis while maintaining favorable antenna gain even when using a small circuit board, and a wireless communication device. The sleeve antenna includes: a coaxial feed line 12; a radiating portion 14 that has a predetermined length and results from removing an outer conductor 30 at a tip portion of the coaxial feed line 12; and a sleeve 10 that has a predetermined length and covers the coaxial feed line 12 from a proximal end of the radiating portion 14 toward a direction opposite to the radiating portion 14. At least one of the radiating portion 14 and the sleeve 10 has a bent portion 36 in at least a portion thereof.

Abstract: Mounting systems and apparatus are provided for attaching a mast to a structure at a desired orientation. The mounting apparatus includes a base support and a ball mount. The base support can be rigidly attached to a portion of the structure. The ball mount receives a ball associated with the mast to thereby allow the mast to be positioned and maintained at the desired orientation. The mounting apparatus may be used, for example, for attaching a digital broadcast satellite (DBS) antenna to a fascia or other portion of a home or other structure.

Abstract: A swivel mount apparatus and method for installing a swivel mount apparatus on a vehicle. The swivel mount apparatus includes a first member, a second member rotatably coupled to the first member, and a mounting post affixed to the first member and extending upwardly relative to the first member, wherein the mounting post receives the second member. A receiving space is defined by the second member and receives an accessory, such that the accessory may be adjusted relative to the vehicle.

Abstract: Disclosed herein is a top load multi-band monopole antenna that is utilized with an integrated electromagnetic coupling feed wire and resonator combination achieving broad band and multi-band performance for multiple frequency spectrums. The top loaded monopole can utilize 450-520 MHz, 698 through 960 MHz and 1000 through 3000 MHz bands contiguously and simultaneously by implementation of the coupling feed wire and resonator combination. The electromagnetically coupled top load resonator in conjunction with the lower monopole resonator section matches impedance for both low frequency and high frequency range operation. A flexible radome housing structure augments impact resistance by permitting the monopole radiator aperture to flex under mechanical load while maintaining reliable signal transmission and reception properties.

Abstract: Embodiments are provided of antenna mounting assemblies and vehicles that include such assemblies. In one aspect, an antenna mounting base for supporting a vehicle antenna with respect to a vehicle body panel that defines a panel aperture comprises: an antenna mounting portion; a flange extending from a surface of the antenna mounting base; and at least one tab defining a recess with the flange, the recess being sized and configured to mateably engage at least a portion of the body panel that borders the panel aperture.

Abstract: A NFC antenna assembly and a mobile communication device are provided. The NFC antenna assembly including: a shell, a connecting device and an antenna circuit, the connecting device includes a female connector and a male connector configured to connect with the female connector via a snap-fit connection, and the antenna circuit formed on the shell and the male connector and defining first and second ends which are adapted to electrically connect with the female connector via the male connector.

Abstract: Scalar-longitudinal waves (SLWs) may be transmitted and/or received. A first apparatus configured to transmit and/or receive SLWs may include a linear first conductor configured to operate as a linear monopole antenna at a first operating frequency. The first apparatus may include a tubular second conductor coaxially aligned with the first conductor and an annular balun configured to cancel most or all return current on an outer surface of the second conductor during operation such that the first conductor transmits or receives SLWs. A second apparatus configured to transmit and/or receive scalar-longitudinal waves may include a bifilar coil formed in an alternating fashion of a first conductor and a second conductor such that an electrical current in the coil will propagate in opposite directions in adjacent turns of the coil thereby cancelling any magnetic field so that during operation the coil transmits or receives SLWs.

Abstract: The mount allows an antenna to be fitted to an inaccessible side of a panel from an accessible side, through a knockout. An antenna and cable are first fitted to the mount. The mount has clips that can be squeezed inwards so that it can be inserted into the knockout, and then released so that they retain the mount from the far side of the panel. Stops on the mount prevent it from being inserted too far. The tabs may be squeezed with finger pressure only so that the mount can be fitted in restricted locations where access is difficult, such as in an electrical breaker box. The mount can easily be removed by squeezing the tabs.

Abstract: An apparatus for fastening an antenna to several vehicles which have restrictive placement locations is disclosed. One embodiment of the apparatus includes a mounting bracket and a shelf bracket; where the mounting bracket is adapted to be securely attached to several vehicles. An antenna mounts on the shelf bracket and the shelf bracket is adapted to be oriented to a preferred antenna position and to be securely attached to the mounting bracket.

Abstract: An antenna assembly for a motor vehicle particularly has an antenna rod and an antenna base module. The antenna base module is arranged between an outer panel component of the vehicle body and a vehicle body shell component. Furthermore, the antenna rod is arranged on an exterior side of the outer panel component of the vehicle body.

Abstract: Antenna assembly for providing HF radio communication in two different operating modes. The antenna assembly includes a whip antenna and at least two antenna wire segments. The whip antenna establishes short range HF radio communication with a communication target, via ground wave or low-efficiency skywave propagation, allowing communication when the antenna assembly is in motion. The antenna wire segments are deployable to form an inverted-V antenna using the whip antenna as a center mast. The inverted-V antenna establishes short or medium range HF radio communication with a communication target, via NVIS or directional skywave propagation, allowing rapid deployment of the antenna wire segments when the antenna assembly is stationary. The antenna assembly may be mounted aboard a mobile platform, such as a vehicle.

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: A vehicle-mounted replacement antenna includes an antenna holder, an antenna element, a connecting shaft and a concealed screw. The concealed screw is embedded into a concealed screw hole of a cylindrical portion of the antenna holder, and a distal end of the concealed screw is pressed against a bottom surface of a ring groove of a hook shaft portion, so that the antenna holder is mounted on the connecting shaft so as to be prevented from rotation. Or the concealed screw is screwed into the concealed screw hole, and the distal end of the concealed screw is spaced from a bottom surface of the ring groove and hooked on a side surface of the ring groove, so that the antenna holder is mounted on the connecting shaft so as to be rotatable and unremovable.

Abstract: A tri-band antenna (10) is provided having a pair of antenna elements (12, 14), in which the first antenna element (14) operates in a first UHF frequency band, and the second antenna element (12) operates in a second VHF band and a third cellular frequency band. The bottom end (12a, 14a) of each of the antenna elements (12, 14) is fixed into a first member (16) from which the antenna elements extend parallel and spaced apart from each other to their different respective heights. A second member (13) couples the antenna elements (12, 14) to each other at a distance from the first member (16) to adjust the operation of the tri-band antenna (10) in at least the UHF band. A base member (19) is provided for mounting the tri-band antenna (10) along a surface of a vehicle. A signal feed member (20) extends through the base member (19) and has one end (20a) attached to the first member (16) and another end (20b) providing a RF connector.

Abstract: An antenna support structure for a remote vehicle comprises a tubular mast configured to demonstrate a non-linear response to radial force. The mast is rigid and configured to hold an antenna approximately perpendicular to a base of the mast at equilibrium during operation of the remote vehicle and elastically buckle in response to a predetermined radial force on the antenna. The support structure is also configured to return to equilibrium once the predetermined radial force is removed.

Abstract: Disclosed is a type of antenna for vehicles that is protected by having a cap fitted-onto an antenna cover that covers an antenna element thereof, wherein coming-off of the cap is prevented from happening. The antenna for vehicles, which is comprised by having an antenna rod mounted onto an antenna base, is provided with: a conductive rod element that is formed within the antenna rod, and connected to the antenna base; a joint section that covers at least the side face of the rod element in the axis direction thereof, and that comprises an inner-side cylinder that is formed in the vicinity of an end section at the opposite side of the antenna base and further comprises a joint engaging section, and an outer-side cylinder that is formed at the outer side of the inner-side cylinder; and a rod cap that comprises a cop engaging section for engaging with the joint engaging section.

Abstract: Pedestrian transportable antenna systems can include an antenna mount and an antenna for satellite based or other communication mounted on a top face of the antenna mount. A bottom face of the antenna mount may be attached to a bendable rigid rod that is sufficiently rigid to provide support for the mounted antenna such that a user can walk around with the antenna deployed while the bendable rigid rod of the antenna system is mounted to the user's back (e.g., mounting into a back portion of a vest or flak jacket). The bendable rigid rod is sufficiently rigid to support the antenna without allowing the rod to “flop” over under the load of the antenna. At the same time, the rod is sufficiently bendable so as to permit the system to be drawn closer into a user's body when the antenna is not deployed (e.g., while stepping into a vehicle).

Abstract: A portable wireless device which effectively uses a space in a case while maintaining communication qualities by reducing antenna gain deterioration even when a plurality of antennas of different frequency bands are arranged adjacent to each other. The portable wireless device is provided with patterns for adding a band disturbing element, which is composed of beads and a parallel resonance circuit, to a part where one side of an antenna pattern of a magnetic field antenna is closed to between the main antenna and the magnetic field antenna is more easily generated. The band disturbing element may be composed of ferrite core or the like.

Abstract: An antenna operable over a predetermined range of frequency includes a transmission line, a transformer network connected to one end of the transmission line, and at least one ferrite/powder iron network connected to an opposite end of the transformer network. The ferrite/powder iron network changes the effective electrical length of the antenna such that as the frequency of operation changes, the current distribution above and below the network changes in corresponding manner. A second ferrite/powder iron network may be serially positioned with respect to the other network, wherein both function to reduce the current thereabove. Accordingly, as the frequency of operation increases, the electrical height of the antenna decreases. The network also encompasses a way to safely dissipate otherwise destructive heat created by the operation of the antenna system at high radio-frequency power.

Abstract: An antenna device includes: an upright antenna rod connected electrically to and extending upward from a connector; an outer casing mounted on the connector for covering the antenna rod; and a conductive member disposed in the outer casing. The conductive member has an intermediate connecting portion connected electrically to a top of the antenna rod, and two spaced apart sensing portions extending respectively and downward from opposite sides of the intermediate connecting portion toward the connector such that the antenna rod is disposed between the sensing portions.

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: Antenna assembly for providing HF radio communication in two different operating modes. The antenna assembly includes a whip antenna and at least two antenna wire segments. The whip antenna establishes short range HF radio communication with a communication target, via ground wave or low-efficiency skywave propagation, allowing communication when the antenna assembly is in motion. The antenna wire segments are deployable to form an inverted-V antenna using the whip antenna as a center mast. The inverted-V antenna establishes short or medium range HF radio communication with a communication target, via NVIS or directional skywave propagation, allowing rapid deployment of the antenna wire segments when the antenna assembly is stationary. The antenna assembly may be mounted aboard a mobile platform, such as a vehicle.

Abstract: An antenna system suitable for marine SSB radio. The system includes a plurality of insulated conductors each having a first end and a second end; the first ends of the conductors are connected at a connection point. The insulated conductors are disposed within a tubing segment, which is sealed with a plug proximate to the connection point. A conductor connected to the connection point extends through the plug is configured for connection to a SSB radio tuner. In an embodiment, each of the conductors has a length greater than that of the tubing segment, and thus has a loop within the tubing segment. Each of the conductors advantageously has a different length, with the lengths of the conductors corresponding to quarter-wavelength antenna elements covering a frequency range of about 2 MHz to about 28 MHz.