Abstract: A measuring system and a measuring method of an antenna pattern based on near field to far field transformation (NFTF) are provided. The measuring system includes a probe antenna, a reference antenna, and a control system. The probe antenna measures an electric field radiated by an antenna under test to obtain electric field information. The reference antenna measures the electric field to obtain a reference phase. The control system is coupled to the antenna under test, the probe antenna, and the reference antenna, wherein the control system applies near field focusing to the reference antenna to configure a focus point of the reference antenna on the antenna under test, and the control system performs the NFTF according to the electric field information and the reference phase to output far field patterns.

Abstract: An over-the-air (OTA) test system is described. The OTA test system includes an antenna positioner with at least one test antenna. The OTA test system further including a DUT positioner, wherein the DUT positioner is configured to hold a device under test in a measurement zone. The antenna positioner is configured to rotate the at least one test antenna around the measurement zone by adapting an elevation angle of the test antenna. The DUT positioner is configured to tilt the device under test by a predefined angle with respect to a height direction of the OTA test system, thereby adapting an elevation angle of the device under test. Further, an OTA test method is described.

Abstract: Methods, systems, and devices are described for mounting an antenna assembly to a vehicle, whereby rotational degrees of freedom between the antenna assembly and the vehicle are constrained. For example, an antenna mount may employ an intermediate structure between the antenna assembly and the vehicle. In various examples, the intermediate structure may be coupled with one of the vehicle or the antenna assembly by a linear coupling, and the intermediate structure may be coupled with the other of the vehicle or the antenna assembly by a planar coupling. The antenna assembly may be coupled with the vehicle by a compliant coupling that provides a centering force between the antenna assembly and the vehicle. According to various examples, rotational movement between the antenna assembly and the vehicle may be suppressed, and vibration from the vehicle to the antenna assembly may be attenuated.

Abstract: A communication system according to one embodiment comprises: a communication device including a tracking unit which rotates with respect to a first axis, a second axis, and a third axis that are orthogonal to each other and which performs radio-wave communication with a moving object moving within the field of view; and a controller for controlling the communication device so that the tracking unit rotates with respect to the first axis and the second axis in the range of a first trajectory angle of the moving body and rotates with respect to the second axis and the third axis in the range of a second trajectory angle of the moving object.

Abstract: A rotatable antenna is disclosed comprising a wireless rotatable interconnect comprising: a stator coil pad, a rotor coil pad, and a radiating element coupled to the rotor coil pad. In an embodiment, changes in a rotation of the rotor coil pad about an axis change a pointing direction of the radiating element. Moreover, a first channel of a plurality of wireless channels transfers power from the stator coil pad to the rotor coil pad and a second channel of the plurality of wireless channels transfers data between the stator coil pad and the rotor coil pad. Also, a data encoder may be coupled to the rotor coil pad that modulates at least a portion of the data transmitted through the second channel of the plurality of wireless channels onto a radio frequency (RF) signal, and provides the RF signal to the radiating element.

Abstract: Various aspects of the present disclosure generally relate to wireless communication and testing. In some aspects, a device may receive information identifying a mount orientation of a wireless communication device, wherein the mount orientation indicates an orientation of a coordinate system of the wireless communication device relative to a coordinate system of a positioner. The device may capture measurement information at each position of a set of positions of the wireless communication device, wherein the set of positions comprises positions of the wireless communication device as the wireless communication device is rotated around an axis by the positioner, and wherein the measurement information is captured based at least in part on the mount orientation. The device may provide information identifying the measurement information. Some techniques and apparatuses described herein may use the measurement information to generate a codebook for beam generation. Numerous other aspects are provided.

Abstract: A multiple-feed antenna system includes a first feed configured to communicate signals in a first frequency range of a plurality of frequency ranges and a second feed configured to communicate signals in a second frequency range of the plurality of frequency ranges. A subreflector assembly is configured to move among multiple positions that include a first position and a second position. When the subreflector assembly is in the first position, a first element of the subreflector assembly redirects a signal reflected by a primary reflector to the first feed. When the subreflector assembly is in the second position, a second element of the subreflector assembly redirects the signal reflected by the primary reflector to the second feed.

Abstract: A satellite antenna positioner having a predictive maintenance function, according to an embodiment of the present inventive concept, relates to a satellite antenna positioner having a predictive maintenance function, which supports an antenna and is configured to orient the antenna on the basis of a received satellite signal, the satellite antenna positioner comprising: a first motor which generates driving power for adjusting the elevation of the antenna; a first gear which rotates the antenna about a first axis while reducing the rotation speed of the first motor; a second motor which generates driving power for adjusting the azimuth of the antenna; a second gear which rotates the antenna about a second axis perpendicular to the first axis while reducing the rotation speed of the second motor; a control module which controls the first motor and the second motor on the basis of the sensitivity of the received satellite signal; and a predictive maintenance module which monitors whether at least one of the fi

Abstract: An optical communication unit for sending and receiving optical communication signals is described. The optical communication unit includes an optical unit, an elevation drive and an azimuth drive. The optical unit emits and/or receives optical communication signals. The elevation drive is coupled with the optical unit by way of an elevation bearing and swivels the optical unit about an elevation axis. The azimuth drive is coupled with the optical unit and the elevation drive and turns the optical unit together with the elevation drive about an azimuth axis. The elevation axis is arranged eccentrically with respect to the azimuth axis, so that the elevation axis is offset with respect to the azimuth axis by a lateral offset. This allows the optical unit to be swiveled to alongside the azimuth drive, so that a swiveling range of the optical unit is increased.

Abstract: Disclosed is an antenna support including: a base; at least one crown including a unit for securing an antenna element; a guide for guiding the crown in rotation around an axis of rotation; a drive for rotating the crown around the axis of rotation; and a unit for determining the angular position of the crown around the axis of rotation. The guide, the drive and the determining unit are mounted on the base on the outer side of the crown.

Abstract: Radiating elements of first and second linear arrays of radiating elements have respective feed stalks that can reside at an angle to provide a balanced dipole arm with an inner end portion laterally offset to be closer to a right or left side of the base station antenna and reflector than an outer end portion that faces a radome of the base station antenna. The feed stalk can include sheet metal legs and printed circuit boards providing an RF transmission line(s).

Abstract: A self-balancing Two-Rotation Driving Mechanism (TRDM) uses parallelogram and has low weight, high load, high accuracy, quick response and good adaptation with multi equipment. A longitudinal rotation motor assembly is constrained fully with a base assembly and drives a longitudinal rotation assembly through connecting rod parallelogram. The lateral rotation motor assembly is assembled in the hub of a longitudinal rotation assembly and rotates an equipment clamping assembly in a lateral direction. Generally, the TRDM can drive equipment clamping assembly in two rotations, with longitudinal rotation in the range of ±45° and lateral rotation in range of ±20°. A rotation limitation is reached when limitation shafts touch the end of respective grooves.

Abstract: A system for supporting a camera during aerial photography or videography includes a gimbal, a platform, a first flywheel, an onboard electronics module and a link rod with a longitudinal axis. The gimbal includes an inner ring external to and concentric with the link rod and coupled thereto for relative rotation about the longitudinal axis, a middle ring external to and concentric with the inner ring and coupled thereto for relative pivoting about a second axis nearly perpendicular to the longitudinal axis and an outer ring external to and concentric with the middle ring and coupled thereto for relative pivoting about a third axis perpendicular to the second axis. The platform is provided to the outer ring. The first flywheel is mounted at a first position on the platform so as to balance with a camera at a second position and an onboard electronics module at a third position.

Abstract: Combinations of antenna types, which may include parabolic reflectors, electronically scanned arrays (ESAs), lens antennas and other directional antenna types enable a satellite ground terminal that is adaptable for use in multiple frequency bands such as C, Q, V, Ku, X and Ka bands, with satellites in various orbital configuration such as LEO, MEO, other non-GEO, and GEO, and in various user scenarios such as fixed, At the Quick Halt (ATQH), or On-the-Move (OTM). The VSAT or MVSAT of the invention does not require alteration or modification to support these multiple uses cases. As a result of this interoperability there are savings in unit cost and logistics. The system and method of the invention allow rapid reconfiguration of the ground segment of a satellite communication system to overcome loss of space segment assets, by enabling the inventive ground terminal to quickly transition to communicate with alternative satellites.

Abstract: Methods and apparatus for a mounting structure including a first arm having a first stiffness and a second arm having a second stiffness, wherein the first stiffness is less than the second stiffness in at least one degree of freedom. The first arm includes a flex region that can deflect in response to loading. In embodiments, the mounting structure can movably secure an antenna array to a pedestal.

Abstract: A high frequency data network access system leverages commodity WiFi chipsets and specifically multi spatial stream (e.g., 802.11 ac) chipsets in combination with phased array antenna systems at the aggregation nodes. Examples can be very spectrally efficient with both polarization and frequency diversity.

Abstract: A base station antenna includes a remote electronic tilt (“RET”) actuator, a phase shifter having a moveable element and a mechanical linkage extending between the RET actuator and the phase shifter. The mechanical linkage includes an adjustable RET linkage that has a first link that has a first connection element, a second link that has a second connection element and a connecting member that includes at least a third link. The adjustable RET linkage includes at least a first hinge and a second hinge.

Abstract: A hybrid mechanical-lens array antenna is described that can be configured with different orientations and arrangements of the plurality of lenses within the array to control and enhance the performance at different regions of scan. This can include the addition of a secondary array (a skirt) at a large tilt angle, tilting the primary array, tilting the individual lenses within the primary array, or any combination. These design choices, when holding the number of lens modules (and, therefore, cost and power consumption) constant, have the effect of changing the system height, reducing the boresight gain and increasing the gain at scan, with each option showing different trades of height and scan and boresight performance.

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: 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: 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: 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.