This application discloses a support frame and an LED display screen system including the support frame. An LED display screen includes a plurality of splicing units that are spliced to each other. The support frame includes a bracket and a first rod extending in a first direction. The bracket includes a second rod and a first connection assembly, and one end of the second rod is connected to the first rod and extends in a second direction. The first connection assembly includes a connection portion and a first positioning portion, and the connection portion is disposed on the other end of the second rod and is configured to form a detachable connection with the splicing unit

Provided is a display device, which relates to a field of display technologies. The display device includes multiple display screen units and multiple support units. The multiple support units are configured to support the multiple display screen unit. Each of the multiple support units includes a support portion, where the support includes a first support portion and a second support portion, where the first support portion extends in a first direction, the second support portion extends in a second direction, and the first direction intersects the second direction; two support units connected in the first direction of the multiple support units are rotatable relative to each other with the second direction as a rotation axis direction, and two support units connected in the second direction of the multiple support units are rotatable relative to each other with the first direction as a rotation axis direction.

Configurable smart object systems with methods of making modules and contactors are provided. Example systems implement machine learning based on neural networks that draw low power for use in smart phones, watches, drones, automobiles, and medical devices. Example assemblies can be configured from pluggable, interchangeable modules that have compatible ports for interconnecting and integrating functionally dissimilar sensor systems. An example method includes mounting an element of a configurable machine learning assembly on a substrate, creating at least one fold in the substrate, folding the substrate at the fold into a housing of a module of the configurable machine learning assembly, and adding a molding material to the housing to at least partially fill the module of the configurable machine learning assembly. The example module construction may also form contactors on folded edges of the module for making physical and electrical contact with other modules of the smart object machine learning assembly.

Apparatuses and systems associated with a server rack to hold a plurality of rack components may include a cabinet having a front opening of width W, and a first mounting pole and a second mounting pole located parallel to each other at the front opening to facilitate receipt and to hold the plurality of rack components. The server rack may further include the first and second mounting poles having a spacing of x inches or centimeters from each other, with the mid-point of the spacing being offset from the mid-point of width W, that defines a first mounting space to receive a first subset of the rack components in a first orientation and a second mounting space to receive a second subset of the rack components in a second orientation that differs from the first orientation. Other embodiments may be described and/or claimed.

A carrier rail housing (1) is described comprising a snap-in base (2) for setting on a carrier rail (3). The snap-in base (2) comprises a carrier rail receiving opening (5) for receiving a carrier rail (3), two snap-in latches (4, 12) movable relative to each other comprising respectively at least one snap-in lug (6, 13), which protrude in a snap-in position into the carrier rail receiving opening (5) for locking with a carrier rail (3) receivable in the carrier rail receiving opening (5), and a coupling element (10) which is in operative connection with the two snap-in latches (4, 12) and transfers a movement of one snap-in latch (4) into a movement of the other snap-in latch (12). The snap-in base (2) further comprises a locking arm (15) with a stop (18) protruding into the carrier rail receiving opening (5) in an open position, in which the snap-in lugs (6, 13) are unlocked from the carrier rail (3), for applying at a side edge of the carrier rail (3) receivable in the carrier rail receiving opening (5). The locking arm (15) is in an operative connection with the snap-in latches (4, 12) in such a way that the snap-in latches (4, 12) are held in the open position by the application of the stop (18).

An electronic equipment item for an electronic system, comprising a housing, a backplane board, at least one daughterboard and at least one lightning protection board housed in the housing. A connector is fixed to the backplane board and configured to be connected to the rest of the electronic system. For each daughterboard there is provided one lightning protection board. For each lightning protection board, a first port is arranged to connect the lightning protection board to the backplane board, and a second port is arranged to connect the daughterboard to the lightning protection board.

A converter with a DC link for converting an input voltage into an alternating voltage with a pre-determined amplitude and frequency for driving a single or multiple-phase load may include a number of modules which are stackable over one another. Each module may have a ceramic cooling body with a receiving surface on which electronic components of one phase are mounted, wherein the ceramic cooling body has channel(s) in the region of the receiving surface for carrying a coolant during the operation of the converter The converter may include a DC link capacitor and input-side and output-side power connections arranged on a first carrier having a arranged perpendicular to the receiving surface. The converter may also include a control unit for driving the electronic components of the phase, the control unit being arranged on a second carrier having a main plane arranged perpendicularly to the plane of the receiving surface.

A barrel assembly includes a barrel shell, a display assembly and an imaging assembly. The display assembly is arranged on one end of the barrel shell, the imaging assembly is located inside the barrel shell and close to the other end of the barrel shell, the display assembly includes a fixed plate arranged on the one end of the barrel shell and multiple display modules arranged on the fixed plate, display screens of the multiple display modules are distributed in a matrix, the display screens of the two adjacent display modules are arranged at an included angle, the imaging assembly includes multiple optical lenses that are arranged in a stack, at least one of the optical lenses includes multiple sub-lenses that are spliced together, and the multiple sub-lenses of each optical lens are arranged respectively corresponding to the display screens of the multiple display modules.

An antenna device according to one of various examples of the present invention can comprise: an antenna module; a radio remote head (RRH) for receiving signals from the antenna module and a base station; guide modules for guiding the RRH such that the RRH slidably moves in an inclined state in the antenna module, for providing one end portion of the RRH to be rotated, and for providing the other end portion of the RRH to move vertically in the sliding movement direction; connection modules provided on a surface on which the antenna module and the RRH face each other, and electrically connecting the RRH and the antenna module; and coupling modules provided on one side of the RRH so as to move the connection modules, thereby mutually coupling or separating the connection modules.

A subrack including a frame defining a subrack space and adapted to receive a device module to an operative position, the frame comprising four side walls and an end wall. The subrack comprises a coupling system adapted for coupling the subrack to four other subracks in order to form a subrack matrix, the coupling system comprising at least one wall recess on an inner surface of each of the side walls, and at least one primary screw hole in each of the side walls such that the at least one primary screw hole is located in the at least one wall recess.