Abstract: A retainer assembly includes at least a front section, first and second sides, rack brackets, rack pins, a gear, a latch, and a user interface. The front section forms apertures. The rack brackets extend through a respective one of the apertures formed in the front section. The rack pins extend across the first side to the second side. The rack pins assist in coordinated movement of the rack brackets. The gear is located between and contacts the rack brackets. The gear is configured to laterally move the rack brackets. The latch is moveable from a first position to a second position to assist in preventing or inhibiting movement of the gear. The user interface is configured to move the gear.

Abstract: An RCU (remote control unit), an antenna apparatus, an antenna electrical tilting method and an antenna system. The RCU includes a reading device and a driver. The reading device is configured to read, from a memory inside the antenna apparatus, when the antenna apparatus is communicatively connected with the RCU, antenna information of an antenna controlled by the antenna apparatus and configuration data corresponding to the antenna. The antenna information includes the antenna serial number and the antenna model of the antenna. The driver is configured to control the antenna apparatus to adjust an electrical down-tilt angle of the antenna in accordance with the configuration data.

Abstract: A radome and a method for manufacturing same. A radome apparatus (10) has a radome body (12) having an aperture (14), a film (16) covering the aperture, and a support (18) installed into the aperture. The film and the support have a low loss at a desired operating frequency. The support provides backing, support, and rigidity for the film so that distortion of the film by weather conditions, such as wind, is reduced. Thus, the integrity of the RF transmission characteristics of the radome are preserved. The aperture, film, and support are in the boresight of an antenna (20, 28) and are large enough to accommodate a desired beam steering range. The radome body may be manufactured with the aperture and the film included therein by using an in-mold labeling process. The support may be installed in the aperture by a subsequent molding process.

Abstract: Mount assemblies that include clamps that can clamp directly to external threads of a respective adjuster bolt to lock the adjuster bolt in a desired orientation and/or position and provide for triangulated adjustment allowing for increased alignment precision. The mount assemblies can be particularly suitable for locking an aligned antenna into a desired azimuth position.

Abstract: Inflatable support structures and related systems are disclosed. An example antenna system includes a mast configured to support an antenna member. The mast includes a strength member including an inner space that extends along an axis. The strength member is changeable between a first state in which the strength member is rollable along the axis and a second state in which the strength member is rigid along the axis. The mast also includes a sleeve arranged along an outer portion of the strength member. The mast also includes a bladder disposed in the inner space of the strength member and configured to receive a fluid. The first state and the second state of the strength member are based on a fluid pressure in the bladder.

Abstract: A semiconductor device package includes a first surface and a second surface opposite to the first surface. The semiconductor device package further includes a first supporting structure disposed on the first surface of the substrate and a second supporting structure disposed on the first surface of the substrate. The first supporting structure has a first surface spaced apart from the first surface of the substrate by a first distance. The second supporting structure has a first surface spaced apart from the first surface of the substrate by a second distance. The second distance is different from the first distance. The semiconductor device package further includes a first antenna disposed above the first surface of the substrate. The first antenna is supported by the first surface of the first supporting structure and the first surface of the second supporting structure.

Abstract: A satellite signal acquiring apparatus includes antenna, azimuth motor, elevation motor, main body, inclination sensor and processor. Antenna receives radio wave from a communication satellite. Azimuth motor rotates the antenna in azimuth angle direction. Elevation motor changes elevation angle of the antenna. Main body is equipped with the antenna, the azimuth motor, and the elevation motor. Inclination sensor obtains inclination information of the main body. Processor corrects the elevation angle based on inclination information to hold the elevation angle of the antenna in an earth coordinate system constant regardless of an azimuth angle of the antenna. Processor acquires the communication satellite signal based on reception intensity of the radio wave.

Abstract: The present disclosure relates to antenna assemblies and systems and methods for steering an antenna to one or more satellites. An embodiment herein provides for an assembly comprising a rotatable plate rotatable about a first axis to steer the antenna in azimuth; a first panel affixed to the rotatable plate and comprising a first plurality of phased array antenna elements to steer a first beam of radio waves in elevation; and a second panel comprising a second plurality of phased array antenna elements configured to steer a second beam of radio waves in azimuth, wherein rotation of the distal end about the second axis steers the second beam of radio waves in elevation.

Abstract: Various embodiments of the present invention pertain to an instrument comprising a plane lens antenna and a control method thereof. Particularly, embodiments pertain to an instrument comprising a plane lens antenna capable of adjusting the gain and/or coverage of a wireless communication radio wave, and to a control method of the instrument. The instrument according to the various embodiments may comprise: a first plane lens antenna in which a plurality of unit cells are disposed in a predetermined pattern; and a first support member for retaining the first plane lens antenna such that the antenna can have a predetermined distance with an external antenna device.

Abstract: The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is to receive and measure a wireless signal, and provides a device for measuring a wireless signal. The device includes a first antenna set including a plurality of antennas having adjustable oriented directions, a second antenna set including a plurality of antennas having fixed oriented directions, and at least one processor configured to receive and analyze wireless signals by using the first antenna set and the second antenna set, wherein the at least one processor may adjust the oriented directions of the plurality of antennas included in the first antenna set, receive the wireless signals by using the first antenna set and the second antenna set, and control to analyze the wireless signals.

Abstract: The present invention regards a platform and elevation support arrangement (1) and a method for manufacture thereof. An elevation support (3) is to be hingedly mounted to a platform (5) around a first axis (X1) extending along a first direction (B1) via a hinge member (7) arranged between the platform (5) and the elevation support (3); and wherein the elevation support (3) is configured to be locked to the platform (5) in a fixed position by means of an adjustable locking mechanism (9), comprising a first and a second opening (11?, 11?) arranged at a first distance (D1) from each other and comprising a first and second sliding shaft element (13?, 13?) arranged at a second distance (D2) from each other each configured to slide along a second direction (B2) perpendicular to the first axis (X1).

Abstract: A positioning device includes a chassis, a plate to be positioned, wherein it further comprises a motor comprising a stator which is connected to the chassis and a rotor, a shaft which is connected to the rotor driven by the motor, which is mobile in rotation relative to the chassis in a first direction and in a second direction opposing the first direction, a first element for the transmission of rotational movement which is configured to be driven in rotation by the shaft in the first direction and to be free in the second direction, a second element for the transmission of rotational movement which is configured to be driven in rotation by the shaft in the second direction and to be free in the first direction, a first connecting rod which is connected to the plate by a first pivot connection and which is connected to the first element for the transmission of rotational movement by a second pivot connection which is offset to the axis of rotation of the first element for the transmission of rotational move

Abstract: A vehicle radar. In the vehicle radar, a high-pass filter is disposed on a signal line connecting a transmitting chip and a receiving chip, the signal line allowing a local oscillation signal to be transferred therethrough. The high-pass filter prevents noise from being introduced through the signal line, along which the local oscillation signal is transferred. This prevents the accuracy of detection from being lowered by low-frequency noise generated from the interior of the vehicle radar. The high-pass filter connected to the signal line is embodied as a variety of configurations, thereby providing a structure able to effectively suppress low-frequency noise while maintaining the existing structure of the vehicle radar.

Abstract: Systems and methods for aligning a satellite antenna mounted on a mobile platform to the platform. At each of several arbitrary orientations, a first directional vector is determined from the antenna to a satellite. For each orientation, an alias transformation is performed to transform the first vector having coordinates defined with respect to a first reference frame to a second vector having coordinates defined with respect to a second reference frame. A third vector is determined based on the orientation of the antenna after peaking the antenna. A rotation matrix is derived from the collection of second and third vectors. An estimate of the rotational offset of the satellite antenna with respect to the platform is determined based on the rotation matrix. The rotational offset is applied to the attitude of the platform to accurately point the antenna to the satellite.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting device capability information. The method includes operating a device with multiple antenna port groups for communication between the device and a network. The method includes transmitting, by the device, device capability information to the network. The device capability information includes a number of antenna port groups of the multiple antenna port groups, a number of antenna ports for each of the antenna port groups, a maximum number of supported spatial layers for each of the antenna port groups, or some combination thereof.

Abstract: An example machine accessible medium having instructions stored thereon that, when executed, causes a machine to at least command a first actuator to move to a first corrected stroke position and a second actuator to move to a second corrected stroke position to point a payload at a target along a line of sight vector without verifying a target pointing direction of a base when the first and second actuators are positioned to the respective first and second corrected stroke positions and without using a feedback to verify the base being at the target pointing direction when the first and second actuators are positioned to the respective first and second corrected stroke positions.

Abstract: A wound dressing device with reusable electronics for wireless monitoring and a method of making the same are provided. The device can be a smart device. In an embodiment, the device has a disposable portion including one or more sensors and a reusable portion including wireless electronics. The one or more sensors can be secured to a flexible substrate and can be printed by non-contact printing on the substrate. The disposable portion can be removably coupled to the one or more sensors. The device can include one or more sensors for wireless monitoring of a wound, a wound dressing, a body fluid exuded by the wound and/or wearer health.

Abstract: A communications system includes a radio frequency (“RF”) antenna. The RF antenna includes a RF reflector and a RF feed axially spaced from the RF reflector. The communications system also includes an optical telescope sharing an axis with the RF antenna. The optical telescope includes primary and secondary reflectors centered at the axis. A mounting structure mechanically couples a housing of the primary reflector to the secondary optical reflector. The mounting structure includes a plurality of truss struts extending the entirety of an axial distance between the primary and secondary optical reflectors and a plurality of support rings interconnecting the plurality of truss struts at various locations on the central axis at or between the primary and secondary optical reflectors. Each of the plurality of support rings and truss struts is structured to minimize the cross section of the support rings along radials originating at the RF feed.

Abstract: Aspects of the present disclosure are directed to systems and methods for identifying characteristics of an antenna through detection of vibrational movement of the antenna.

Abstract: Novel tools and techniques are provided for implementing antenna alignment, and, more particularly, to methods, systems, and apparatuses for implementing antenna alignment using a gimbal. In various embodiments, a gimbal system might be provided. The gimbal system may be at least one of a passive two-axis gimbal, a passive three-axis gimbal, an active two-axis gimbal, and/or an active three-axis gimbal. At least one antenna may be coupled to the gimbal system. The gimbal system may be configured to compensate for at least one of a movement of a structure and/or a wind load on the at least one antenna. Additionally and/or alternatively, the gimbal system may be configured to align the antenna toward the position and orientation where there is the signal quality is optimized.

Abstract: The preferred field of application of the present invention concerns the technology for the stabilization of the orientation of a pointing platform in small satellites as, for example, the so-called nano-satellites. In fact, the use of nano-satellites for low-cost space applications, requires that they have performances suitable to support a large number of possible new applications, in particular it is required that they can ensure adequate telecommunications capacity even with scarce power resources. Therefore, the availability of very precise pointing systems is essential in order to make communications as efficient as possible. Moreover, it should be noted that the nano-satellite platforms are also very unstable, and therefore such pointing, when acquired, must be continuously stabilized.

Abstract: A camera hinge arrangement (1) has a head hinge (2) and a base hinge (4). The head hinge (2) includes a movable head hinge element (3) while the base hinge (4) includes a movable base hinge element (5). The head hinge (2) and the base hinge (4) are connected to each other via the movable base hinge element (5). The camera hinge arrangement (1) in each case has a control cable (9, 10) and at least one restoring element (11, 12) for both the movable head hinge element (3) and the movable base hinge element (5). The movable head hinge element (3) and the movable base hinge element (5) are both connected here to one of the two control cables (9, 10) and to at least one of the restoring elements (11, 12) in such a manner that the movable head hinge element (3) and the movable base hinge element (5) are movable out of a starting position counter to a restoring force of the restoring elements (11, 12) by a pull action on the control cables (9, 10).

Abstract: A modular three-axes antenna pedestal includes: an azimuth frame rotatably mounted about an azimuth axis, the azimuth frame having an azimuth beam and a post releasably mounted to the azimuth beam; an azimuth driver rotating the azimuth frame about the azimuth axis; a cross-level frame pivotally mounted on the azimuth frame to pivot about a cross-level axis; a cross-level driver pivoting the cross-level frame relative to the azimuth frame; an elevation frame supporting a tracking antenna, the elevation frame being pivotally mounted on the cross-level frame to pivot about an elevation axis; and an elevation driver pivoting the elevation frame relative to the cross-level frame. A method of using the modular three-axes antenna pedestal is also disclosed.

Abstract: An antenna control method, communications positioning apparatus and computer storage medium is provided. The method is used in a communications positioning apparatus. The communications positioning apparatus comprises a communications antenna and a rotation device. The communications antenna comprises at least two antennas. The rotation device drives the communications antenna to rotate, wherein the method comprises: acquiring a first command, wherein the first command turns on a positioning mode; in response to the first command, acquiring angle information corresponding to the communications antenna and a beacon; in accordance with the angle information, determining corresponding rotation parameters of the rotation device, wherein the rotation parameters comprise at least a rotation direction and a rotation angle; and in accordance with the rotation parameters, controlling the rotation device to drive the rotation direction and rotation angle corresponding to the communications antenna.

Abstract: A multi-axis self-contained sensor system includes an outer spherical housing and an inner spherical housing. The outer spherical housing has a transparent spherical shell that surrounds a first cavity and having a first refractive index (RI). The inner spherical housing is in the first cavity and is completely surrounded by the outer spherical housing. The inner spherical housing has a first average density and includes a spherical wall that surrounds a second cavity. A sensor system is contained in the second cavity, and a suspending fluid layer is interposed between the outer spherical housing and the inner spherical housing. The suspending fluid layer is composed of a fluid having a second RI.

Abstract: An antenna system includes a first drive assembly configured to rotate a vertical support assembly relative to a base assembly about a first axis, a second drive assembly configured to pivot a level frame assembly relative to the vertical support assembly about a second axis, and a third drive assembly configured to pivot an elevation frame assembly relative to the level frame assembly about a third axis. The antenna system additionally includes a primary antenna and a secondary antenna affixed relative to the level frame assembly and a control unit configured for: selecting operation of a selected one of the primary and secondary antennas, determining a position of the elevation frame assembly based upon sensed motion about said the first, second, and third axes, and controlling one or more of the first, second, and third drive assemblies to alter the position the selected one of the primary and secondary antennas.

Abstract: According to one embodiment, a planar antenna device includes a support portion, a first plate-shaped movable portion, a second plate-shaped movable portion, a third plate-shaped movable portion, and a pair of plate-shaped antenna units. The support portion is formed to have a plate shape. The first plate-shaped movable portion is supported by the support portion and is rotatable around a first axial line. The second plate-shaped movable portion is supported by the first plate-shaped movable portion and is rotatable around a second axial line. The third plate-shaped movable portion is supported by the second plate-shaped movable portion and is rotatable around a third axial line. The pair of plate-shaped antenna units is turnably supported by the third plate-shaped movable portion and is switchable between a closed state and an open state.

Abstract: An electronic apparatus of an embodiment includes a movable housing, a main housing, a joint, a cable, and a seal structure. The joint includes a connection portion connected to the movable housing, and a fixed portion connected to the main housing. The cable extends from an inside of the movable housing to an inside of the main housing through an inside of the connection portion and an inside of the fixed portion. The seal structure seals between the movable housing and the connection portion, and seals between the main housing and the fixed portions.

Abstract: A gimbal transmission cable management system is disclosed. The system can include a first gimbal portion and a second gimbal portion rotatable relative to one another to provide rotation about a gimbal axis. The system can also include a cable retainer fixed relative to one of the first and second gimbal portions and defining a cable volume between the cable retainer and at least one of the first and second gimbal portions. In addition, the system can include a transmission cable coiled about the gimbal axis within the cable volume. Bi-directional relative rotation of the first and second gimbal portions can alternately coil and uncoil a portion of the transmission cable about the gimbal axis within the cable volume.

Abstract: A positioning system may include a bracket, a mounting, and a positioner platform. The positioning system may further include an antenna aperture having two opposing sides each attached to the bracket via respective first pivot bearings arranged along a first axis. The antenna aperture may be configured to rotate about the first axis. A second pivot bearing may attach the bracket to the mounting, and may be arranged along a second axis. The bracket may be configured to rotate about the second axis. A third pivot bearing may attach the mounting to the positioner platform, and may be arranged along a third axis. The mounting may be configured to rotate about the third axis.

Abstract: In some examples, electrical wires are routed between a base and a rotating component through a plurality of clockspring passes. The wires can be, for example, ribbon wires or another type of wire. Each wire of the plurality of wires is coiled around a structure of a clockspring pass of the plurality of clockspring passes, and is configured to tighten or loosen around the structure as the component rotates relative to the base about at least one axis.

Abstract: A rotation determiner determines whether an antenna azimuth (AZ) angle rotates beyond a rotation range within a predetermined time based on a predicted orbit value. When the antenna AZ angle rotates beyond the rotation range, an orbit determiner determines whether an estimated satellite position is within a drivable range that the AZ angle rotates from a reference value beyond the rotation range. When the AZ angle rotates beyond the rotation range and the estimated satellite position is within the drivable range, three-axis control is executed, and the AZ angle is kept at a predetermined value. When the AZ angle rotates beyond the rotation range and the estimated satellite position is not within the drivable range, or when the AZ angle does not rotate beyond the rotation range, two-axis control is executed.

Abstract: An antenna pointing mechanism for pointing an antenna includes a guide and track assembly. The guide and track assembly has a guide member fixable to a support, such as a flying vehicle, and a track member coupled to the guide member and fixable to the antenna. The track member is movable along the guide member for rotating the antenna relative to the support. The track member has a key that extends about a periphery of the antenna along a path having a portion that is non-linear. The key is received by a slot of the guide member. At each location of the track member relative to the guide member, the track member rotates about a rotational axis that is spaced from a coupling location of the track member with the guide member.

Abstract: A junction box may include a flashing that includes a first and second surface. The first surface may define a first circular groove. The junction box may include a housing attached to the flashing. The housing may be positioned at least a second distance from edges of the flashing. The housing may include sidewalls that form ends, which may include a first end oriented towards a first edge of the flashing. The housing may include a bottom portion attached to the sidewalls, which may define a second circular groove. The second circular groove may include a similar diameter as the first circular groove. The second circular groove may be concentric with the first circular groove on a parallel plane. The second circular groove may indicate suitable hole positions. The housing may additionally include a top portion that defines an opening, which may be concentric with the second circular groove.

Abstract: According to one embodiment, a planar antenna apparatus includes a support including: a support main body, and three or more support legs extending from the support main body, a first movable unit rotatably supported around a first axis with respect to the support, a second movable unit rotatably supported around a second axis with respect to the first movable unit, the second axis extending along a main surface of the first movable unit, a third movable unit rotatably supported around a third axis with respect to the second movable unit, the third axis extending along a thickness direction of the second movable unit, an antenna unit supported by the third movable unit, and a connection wire electrically connecting the first movable unit and the third movable unit.

Abstract: An underwater projection system and a method for projecting images onto an underwater surface of a water feature are provided. The system includes an underwater projector in communication with a system controller. The system controller is configured to receive image content, manipulate the image content to generate a control output, and communicate the control output to the underwater projector. The underwater projector is configured to project an image onto the underwater surface based on the control output.

Abstract: A tracking antenna system for discrete radio frequency spectrums includes a reflector, a pedestal supporting the reflector, a radome assembly enclosing both, a first feed for gathering radio waves within a first of discrete RF spectrums that is removably disposed in front of the reflector at the focal point, a first RF module operably connected to the first feed for converting the first gathered radio waves to first electronic signals, a feed mount for removably supporting the first feed and configured to removably support a second feed for gathering radio waves within a second of discrete RF spectrums, and a module mount for removably supporting the first RF module and configured to removably support a second RF module for converting the second radio waves to second electronic signals. A method of using the tracking antenna system adaptable for discrete radio frequency spectrums is also disclosed.

Abstract: A reflector dish assembly including a support structure, a reflector dish, and a reflector bracket configured for mounting the reflector dish. A support arm supports an electronic device and an elbow bracket is configured for coupling with an end of the support arm. A seat section of the elbow bracket is configured for engaging with the reflector bracket for securing the support arm in relation to the reflector dish. The reflector bracket includes a seat to receive the elbow bracket seat section, with the seat having bosses and support tabs spaced linearly from the bosses. The elbow bracket seat section includes guide slots configured for sliding over the bosses when the seat receives the seat section. The elbow bracket seat section includes support slots for receiving the support tabs of the reflector bracket seat and securing the guide slots with the bosses.

Abstract: An antenna apparatus includes a first antenna unit inclined at a first inclination angle, a second antenna unit inclined in a direction opposite to the first antenna unit at a second inclination angle. A distribution unit distributes an electrical signal to one of the first antenna unit and the second antenna unit.

Abstract: An apparatus and method for controlling stabilization of a satellite-tracking antenna, the apparatus including: an antenna driving unit driving the antenna to track a satellite based on preset satellite position information and position information collected by an inertia sensor and an encoder; a point detecting unit detecting a point where an amplitude of a satellite reception signal is maximum; an elevation measuring unit measuring an elevation value corresponding to the point; and a controller controlling an azimuth motor and an elevation motor to enable the antenna to face the point, when the measured value is out of a first range, the controller controlling the azimuth motor to have an azimuth value corresponding to the point and controlling the elevation motor to have an elevation value less than the measured value corresponding to the point, when the measured value is in the first range.

Abstract: A system for installing an array of pilings for an array of solar panels is highly accurate and efficient. The system includes a horizontal laser and a rotating vertical laser that are mounted on a first piling and aligned with a target on a second piling on the opposite side of the array. An alignment template is placed against a piling and aligned with the vertical rotating laser. The aligned template provides a designated location where the next piling is driven. A hammer target on the pile driver allows the installer to precisely install the next piling. After installation, the next piling is measured for accuracy and if errors are found, an alignment bracket is used to correct the error. The process is repeated until the array of pilings is complete.

Abstract: A vertical axis driver drives a vertical axis for azimuth angle tracking. A horizontal axis driver drives a horizontal axis for elevation angle tracking. A cross horizontal axis driver drives a cross horizontal axis to which an antenna is attached, that is rotatable around an axis orthogonal to the horizontal axis. An arithmetic processing controller generates a drive signal of a constant azimuth angle the vertical axis when a maximum elevation angle of the antenna is greater than or equal to a set angle in a path of the target object in a single time of continuous tracking. When the maximum elevation angle of the antenna is less than the set angle in the path of the target object in the single time of continuous tracking, the controller issues a drive command of an azimuth angle direction to the vertical axis.

Abstract: Disclosed are exemplary embodiments of multiband MIMO vehicular antenna assemblies. In an exemplary embodiment, a multiband MIMO vehicular antenna assembly generally includes a chassis and an outer cover or radome. The outer cover is coupled to the chassis such that an interior enclosure is collectively defined by the outer cover and the chassis. An antenna carrier or inner radome is within the interior enclosure. The antenna carrier has inner and outer surfaces spaced apart from the chassis and the outer cover. One or more antenna elements are along and/or in conformance with the outer surface of the antenna carrier so as to generally follow the contour of a corresponding portion of the antenna carrier.

Abstract: Control of dual (two) antennas, for satellite communications (satcom) with satellites in one or more constellations in Low Earth Orbit (LEO) and Medium Earth Orbit (MEO). The dual antennas are typically part of a ground-based antenna system, in particular using the Satrack single pedestal with split antenna design, housed efficiently under a compact radome. Features simultaneous pointing toward two separate satellites during the satellites' handover/switching periods with instantaneous transition between the satcom modems for assuring real-time, continuous data communication over a LEO/MEO satellite link. The dual (two) antennas system can also be used in a “monopulse/electronic scan” mode where a first antenna is used for tracking according to ephemeris data, while a second antenna on the same pedestal will scan for offset/compensation to the first antenna path.

Abstract: Antenna mount systems and methods for deploying small cells are disclosed. The antenna mount system may include an outer housing and an inner antenna enclosure at least partly positioned inside the outer housing, with the inner antenna enclosure movably coupled to the outer housing. The antenna mount system can include an orientation member that can aid in maintaining a particular orientation of an antenna so as to maintain a radiation pattern substantially on a defined area, independent of the position of the antenna mount system.

Abstract: A reflector dish assembly including a support structure, a reflector dish, and a reflector bracket configured for mounting the reflector dish. A support arm supports an electronic device and an elbow bracket is configured for coupling with an end of the support arm. A seat section of the elbow bracket is configured for engaging with the reflector bracket for securing the support arm in relation to the reflector dish. The reflector bracket includes a seat to receive the elbow bracket seat section, with the seat having bosses and support tabs spaced linearly from the bosses. The elbow bracket seat section includes guide slots configured for sliding over the bosses when the seat receives the seat section. The elbow bracket seat section includes support slots for receiving the support tabs of the reflector bracket seat and securing the guide slots with the bosses.

Abstract: A controlled relative motion system includes a base support and a manipulable support. A plurality of lower link members are pivotally coupled to the base support, and each includes a spherical section capture opening. A plurality of upper link members are rotatably coupled to the lower link members via spherical joints at the spherical section capture openings. The manipulable support is pivotally coupled to the plurality of upper link members.

Abstract: This disclosure relates to methods and arrangements for positioning of a communication device (102, 202, 208, 402, 502) in a communication system. Based on received radio channel information from a positioning server (112, 212, 408, 508), positioning nodes (104a-d, 204, 206, 410, 412, 510) identify (S-430, S-538, 704) a radio signal from said communication device, measure (S-432, S-433, S-540, 706) the strength of said received signal and sends (S-434, S-435, S-542, 708) signal strength information and position information of the positioning nodes to said positioning server. The positioning server then determines (S-436, S-544, 610) the position of the communication devices based on the received signal strength measurements and the position information of the positioning nodes. High accuracy in-door positioning of communication devices is achieved.

Abstract: An antenna for satellite communication includes; a signal transmitting and receiving unit for receiving or transmitting a signal from/to the satellite; a driving unit for rotating the signal transmitting and receiving unit so as to enable the signal transmitting and receiving unit to track the satellite; an anti-vibration unit provided inside the posts for elastically supporting the signal transmitting and receiving unit or the driving unit. Therefore, by providing the anti-vibration unit inside the posts, it is possible to increase availability for a circumferential space of the posts and to simplify the structure of the anti-vibration unit.

Abstract: An antenna control device includes a direction acquirer to acquire a target direction in which a target object to be tracked exists, a coordinate converter to perform conversion into an Y-coordinate which is an angle between the target direction and a plane containing both the zenith direction and a Y-axis fixed horizontally within a rotation range of the vertical axis, and into a X-coordinate which is an angle between the zenith direction and a projection of the target direction projected onto the plane. A drive command value arithmetic processor commands a vertical axis angle value obtained by multiplying the Y-coordinate by a coefficient. The arithmetic processor calculates the command value for each of the horizontal axis and the cross horizontal axis such that difference between the pointing direction of the antenna and the target direction is less than or equal to an allowable value.