Abstract: A differential trace pair system includes a board having a first, a second, a third, and a fourth board structure member. A differential trace pair in the board includes a first differential trace extending between the first and the third board structure members, and a second differential trace extending between the second and the fourth board structure members. The differential trace pair includes a serpentine region that includes a first portion and a second portion where the first and the second differential traces have a first width, are substantially parallel, and spaced apart by a first differential trace pair spacing, and a third portion in which the second differential trace includes a second width that is greater than the first width, the first and second differential traces are substantially parallel and spaced apart by a second differential trace pair spacing that is greater than the first differential trace pair spacing.

Abstract: In one or more embodiments, a circuit board may include a trace pair and a serpentine region of the trace pair, which may include: a first subregion in which the first trace includes a first portion that has a third width and a first length and in which the second trace includes a second portion, at least substantially parallel to the first portion, that has a fourth width, greater than the second width, and a second length; and a second subregion, adjacent to the first subregion, in which the first trace includes a third portion that has the third width and a third length and in which the second trace includes a third portion that has the fourth width and a third length, different from the second length.

Abstract: A ratchet wrench includes a main body, a ratchet, two detents, two elastic members, and a switch knob. The strength of the material of the detents is greater than that of the material of the ratchet. During the process of operating the ratchet wrench, if the applied force is greater than the limit torsional force of the meshing portion between the teeth of the ratchet and the toothed portion of the detent to damage the teeth of the ratchet, the toothed portion of the detent will be instantly engaged with the intact teeth of the ratchet, located behind the damaged teeth, to be positioned again, thereby ensuring the safety of the operator.

Abstract: A blow-molding plastic bubble-generating device is provided, including a board-like shell body. The board-like shell body is formed through blowing a hollow embryo placed in a mold, the hollow embryo is blown and expanded, the hollow embryo is penetrated through by a plurality of needle posts on an inner wall of the mold to form the board-like shell body, the board-like shell body is integrally formed and hollow and has a shell wall which completely and continuously surrounds the board-like shell body, and the shell wall has a plurality of through holes.

Abstract: A housing for an electronic device in the home or car includes a substrate and a composite layer. The composite layer is formed on a surface of the substrate. The composite layer includes an adhesive layer, an ink layer, and a protective layer. The adhesive layer is fully attached to the surface of the substrate. The ink layer is formed on a surface of the adhesive layer away from the substrate. The protective layer is formed on a surface of the ink layer away from the adhesive layer and the process is completed by half-curing and full curing processes. A method for making the housing also is provided.

Abstract: A transfer film providing a textured finish to the surface of a glass object comprises a color ink layer, a texture layer attached to a surface of the ink layer, a metal layer attached to a surface of the texture layer opposite from and contacting the ink layer, and an adhesive layer attached to a surface of the metal layer opposite from and contacting the texture layer. A transfer sticker and a glass product using the transfer film are also provided.

Abstract: Techniques for presenting a content item with a media item are described. The techniques include receiving user input indicating a placement preference for a content item to be presented with a media item. The placement preference indicates a presentation preference of the content item relative to presentation of the media item. The placement preference is used to influence selection of a media item with which the content item is to be presented.

Abstract: A circuit board includes a substrate and a conductive trace. An electronic element is electrically coupled with the conductive trace. A pair of holes pass through the substrate and are disposed respectively at two opposite sides of the conductive trace and adjacent to the conductive trace. A current-measuring device may be adapted for passing through the holes and surrounding the conductive trace.

Abstract: A mold assembly for forming a film includes a transparent bottom mold, a top mold, a case, and a lighting member. The transparent bottom mold defines a cavity for receiving a workpiece and a plurality of liquid compositions. The top mold is matched with the bottom mold to accommodate the workpiece between the bottom mold and the top mold. The case receives the bottom mold and the top mold placed therein. Air in the case is exhausted from the case to coat the plurality of liquid composition on the workpiece. The lighting member emits light on the liquid compositions to solidify the liquid compositions to form a film on the workpiece.

Abstract: A method of fabricating three-dimensional patterns on a workpiece includes steps of providing a transparent film and forming a three-dimensional patterns on the transparent film. A layer of adhesive is coated on the three-dimensional patterns. A heat transfer film is used in transferring the three-dimensional patterns from the heat transfer film to a main surface of the workpiece using a vacuum heat transfer printing method.

Abstract: An antenna module is disclosed. The antenna module includes a circuit board and at least one antenna set. Wherein, the antenna set includes a driving antenna and a plurality of parasitic antennas. The driving antenna is formed on the circuit board, and the parasitic antennas are positioned with the driving antenna as a center on the circuit board. Whereby, the space occupied by the antenna module can be small, and beams of wireless signals radiated by the antenna module can be controlled.

Abstract: A method for manufacturing an oxidation-resistant glass-mounted photograph includes steps of providing a transparent base, the transparent base includes a front surface and a rear surface opposite to the front surface. A UV inkjet printer sprays UV-curable glue onto the rear surface of the transparent base to form a bonding layer, and an electronic file of a pattern layer is installed into the UV inkjet printer, a layer of UV-curable ink on the bonding layer is printed on the bonding layer using the UV inkjet printer according to the electronic file of the pattern layer. The layer of UV-curable ink is cured to form the pattern layer providing a representation of a desired image.

Abstract: An omnidirectional lighting stand includes a base structure, an extendible post structure, a pitch-rotation structure, and a light arm structure. The light arm structure is rotatably mounted to the pitch-rotation structure. The pitch-rotation structure is mounted to a top end of the extendible post structure. The extendible post structure has a lower end mounted to the base structure. The pitch-rotation structure is rotatably mounted to a rotation seat for adjustment of a pitch angle thereof in a range of 180 degrees and is selectively fixe din position by a handle bolt. The pitch-rotation structure has a front-rear through hole provided for adjustment of a lighting direction of the lighting device in an angular range of 360 degrees.

Abstract: An omnidirectional lighting stand includes a base structure, an extendible post structure, a pitch-rotation structure, and a light arm structure. The light arm structure is rotatably mounted to the pitch-rotation structure. The pitch-rotation structure is mounted to a top end of the extendible post structure. The extendible post structure has a lower end mounted to the base structure. The pitch-rotation structure is rotatably mounted to a rotation seat for adjustment of a pitch angle thereof in a range of 180 degrees and is selectively fixe din position by a handle bolt. The pitch-rotation structure has a front-rear through hole provided for adjustment of a lighting direction of the lighting device in an angular range of 360 degrees.

Abstract: A circuit board assembly of an information handling system has an adjacent pair of vias that carry differential communication signal through printed circuit board (PCB) substrates. Pairs of ground vias each having a first ground via and a second ground via placed symmetrically on both sides of a virtual ground plane that passes between the adjacent pair of vias. Ground vias are placed at a substantially identical radius from a respective one of the adjacent pair of vias that is on the same side of the virtual ground plane. First ground via(s) are annularly spaced substantially equally from each other and from a pair of reference points on the virtual ground plane that are each radially spaced from both of the adjacent pair of vias by the substantially identical radius. The second ground via(s) are annularly spaced from each other and the pair of reference points.

Abstract: Techniques for presenting a content item with a media item are described. The techniques include receiving user input indicating a placement preference for a content item to be presented with a media item. The placement preference indicates a presentation preference of the content item relative to presentation of the media item. The placement preference is used to influence selection of a media item with which the content item is to be presented.

Abstract: A firing pin assembly of a nail gun and a bonding method thereof are provided. The firing pin assembly includes a firing pin body and a firing pin head made of a material having a hardness greater than that of the firing pin body. The firing pin head has a first end and a second end. The first end is made of a material having a density lower than that of the second end. The first end and the front end face of the firing pin body are preheated to a set temperature. The top of the second end is pressed toward the front end face of the firing pin body for an appropriate bonding time, so that the material particles of the firing pin body are dissociated and fused into the first end of the firing pin head to form the firing pin assembly.

Abstract: A pneumatic pressure pulse cleaning machine includes a container body, which has a rear side to which a container cover is rotatably mounted and also has an interior space in which a pipe assembly that includes pipes connected together to form a grating configuration is received. The pipe assembly has a plurality of through holes formed therein and facing upwards. A support board is received in the interior space and arranged above the pipe assembly so that an article disposition zone is provided in the container body above the support board. The pipe assembly includes a joint, which is connectable with a tube for connection with a pneumatic pressure source. Articles to be washed are positioned on the support board. The pneumatic pressure source is activated to generate pneumatic pressure pulses that are ejected through the through holes to impinge and thus clean the articles.