An interconnection includes a circuit board assembly and a hybrid cable assembly. The circuit board assembly includes first and second outer layer assemblies and an intermediate layer assembly. The first and second outer layer assemblies each include an electrically conductive layer. A cable-receiving space is formed at a first side edge of the circuit board assembly. The hybrid cable assembly includes a dielectric waveguide system having a core and a cladding and being configured to transmit a radar wave in a frequency range from about 70 to about 300 GHz. A first conductor system configured to transmit power and/or data is disposed adjacent to the dielectric waveguide system and includes an electrically conductive inner conductor assembly inserted into the cable-receiving space and galvanically connected to a first inner-conductor connection region. The core of the dielectric waveguide system is inserted into the cable-receiving space and disposed at a waveguide connection region.

Disclosed herein are various implementations of communications connectors. In some implementations, a communications plug may include a housing and a body positioned in the housing. A flexible printed circuit board (PCB) may be wrapped at least partially around the body, a and a plurality of metal contact pads may be positioned on the flexible PCB to mate with plug interface contacts (PICs) of a communications jack when the communications plug is inserted into the communications jack.

The present disclosure provides a wireless sensing device. In an embodiment, the wireless sensing device includes (A) a button cell. The button cell has a positive electrode and a negative electrode. The device includes (B) a first printed circuit board (IPCB) located on a top surface of the button cell. The IPCB has a first contact and a second contact electrically connected to respective positive electrode and negative electrode of the button cell. The IPCB includes (i) a processor, and (ii) a wireless communication component (WCC). Each of the (i) processor, and (ii) WCC are electrically connected to the IPCB. The device includes (C) a sensor module. The sensor module includes a second PCB (2PCB) and one or more sensor chips electrically connected to the 2PCB. (D) The device has a length from 10 mm to 30 mm, a thickness from 3 mm to 10 mm and a width from 10 mm to 30 mm.

A welding system comprises a welding module and a moving module adapted to move the welding module to a predetermined welding position. The welding module includes a guiding device and a welding tool. The guiding device has a plurality of tubular guiding heads arranged in a row, ends of the plurality of tubular guiding heads are disposed close to joints of a plurality of cables so as to guide a plurality of welding wires to the joints of the plurality of cables. The welding tool has a plurality of tooth-shaped welding heads arranged in a row, ends of the plurality of tooth-shaped welding heads are disposed close to the joints of the plurality of cables and configured to simultaneously heat the plurality of welding wires guided to the joints of the plurality of cables, so as to simultaneously weld the joints of the plurality of cables onto a circuit board.

A locator is for aligning cables which are configured to be connected with a circuit board having an accommodated portion. The locator comprises at least a main portion which extends in a pitch direction. The main portion is, at least in part, formed with at least one circuit board accommodating portion. The main portion is formed with at least one first through hole and at least one second through hole which is different from the first through hole. The at least one circuit board accommodating portion is configured to accommodate the accommodated portion of the circuit board. The at least one circuit board accommodating portion opens at least forward in a front-rear direction perpendicular to the pitch direction. In the pitch direction, the at least one first through hole is provided at a location which is different from a location of the circuit board accommodating portion.

A system may include a circuit board comprising a plurality of electrically-conductive layers separated and supported by layers of insulating material laminated together, wherein the plurality of electrically-conductive layers comprises a ground plane and the layers of insulating material comprise a surface layer having one or more openings through which the ground plane is exposed through the one or more openings. The system may also include a plurality of electrically-conductive pads formed on a surface of the surface layer and a cable comprising a first signal conductor mechanically contacted to a first pad of the plurality of electrically-conductive pads and a first drain conductor mechanically contacted to the ground plane through the one or more openings.

A surface mounted assembly is provided and includes a surface mounted device, a cable and a circuit board. The circuit board includes a first outer side and a second outer side opposite to first outer side, and a conductive hole structure. The cable is inserted into the conductive hole structure from the first outer side of the circuit board and affixed with and electrically connected to the conductive hole structure to locate a terminal of the cable between the first outer side and the second outer side of the circuit board. The surface mounted device is mounted on the second outer side of the circuit board. An electrical connecting component of the surface mounted device and the terminal of the cable are affixed with and electrically connected to the conductive hole structure and electrically connected to each other by the conductive hole structure. Furthermore, an endoscope is provided.

A connection assembly for an antenna includes a printed circuit board and a coaxial cable connected to the printed circuit board. A transmission trace and a solder pad are provided on the printed circuit board. An opening for receiving an end portion of the coaxial cable is also provided in the printed circuit board, and an exposed outer conductor of the end portion extends into the opening, and an exposed inner conductor reaches the solder pad. The connection assembly further includes a ground structure, which is electrically connected to a ground metal layer on a second surface of the printed circuit board, and the ground structure is at least partially arranged on both sides of the exposed inner conductor and/or the exposed outer conductor.

A strain relief plug to restrict movement of wires on a printed circuit board, the strain relief plug having an elongated stem along a vertical axis of the strain relief plug. The strain relief plug has an in-board flange defined by the elongated stem, the in-board flange configured to seat in a bore defined by the printed circuit board. The strain relief plug has an anchor defined by a first end of the elongated stem configured to prevent the strain relief plug from releasing from the printed circuit board. The strain relief plug has a bar defined by a second end of the elongated stem and transverse the vertical axis, the bar forming wire channels. The strain relief plug provides strain relief for wires on the printed circuit board of an electric motor in a vertical dimension resembling the thickness of the printed circuit board.

An edge connector includes a first row of golden fingers and a second row of golden fingers. The first row of golden fingers is adjacent to a plugging end of the edge connector, and the second row of golden fingers is adjacent to the first row of golden fingers. In a plugging direction of the edge connector, each golden finger in the first row of golden fingers has a first end proximate to the plugging end and a second end opposite to the first end. A first end of a grounded golden finger in the first row of golden fingers is protruded from other golden fingers, and second ends of two or more than two golden fingers in the first row of golden fingers are not aligned with each other.