Abstract: The present invention provides a handset sliding structure for mobile devices comprising a cover, a base and a slider. Therein, a surface of the base comprises two opposing sliding tracks having a narrow section, the shortest distance between them. The cover is slid on the base along the sliding tracks with a slider in between. The slider comprises an elastic member and two ends abutting against the two opposing sliding tracks. Sliding the cover, it can be automatically moved to a predestined end position for opening or closing.

Abstract: The present invention is a mobile device having an improved roller feel, comprising a hollow metal cylinder, a support and a plurality of terminals disposed firmly on the support. The hollow metal cylinder comprises a plurality of interference areas at an end of the hollow metal cylinder. The support comprises two braces. The terminals comprises a plurality of spring contacts, where the terminals are in contact with the inner surface of the hollow metal cylinder and at least one of the spring contacts stretches into the hollow metal cylinder in a depth not exceeding the scope of the interference areas. When rolling the hollow metal cylinder, the present invention makes the spring contacts create explicit and regular stress variations to produce a sense of feel. The interactions between the hollow metal cylinder and the spring contacts are enhanced and the sense of feel is more obvious; and the effect of durability is improved.

Abstract: The present invention firmly fastens a cover and a base of an electrical connector. The fastening is done with a precise three-dimensional positioning. The process for a mold opening of the connector is simplified and no slider is in need.

Abstract: Present invention relates to a roller construction with a sense of feel for a mobile navigation device; more particularly, relates to a construction for a mobile navigation device to produce a sense of feel when rolling the roller. Present invention comprises a conductive ring, a plurality of terminals and a support. The conductive ring is a hollow ring of conductive metal and the outer surface can be covered with insulating material. Each of the terminals comprises a contactor and the terminals are connected with the default circuit. Each of the contactor is plugged into the conductive ring to be electrically connected with it. The support comprises two braces, wherein each comprises a cantilever plugged in from each end of the conductive ring to support it. On rolling the conductive ring, regular interferences are made between the terminals and the conductive ring, or between the conductive ring and the cantilever, to produce a sense of feel.

Abstract: An audio jack connector suitable for connecting to a plug is provided. The audio jack connector includes an insulating housing, a set of switch terminals, an insulating wrap and a plurality of signal terminals. The insulating housing includes an inserting hole and a chamber. The inserting hole is linked to the chamber. The set of switch terminals includes a first terminal and a second terminal disposed on the corresponding sidewall of the chamber. The second terminal has a contacting part and the insulating wrap covers a portion of the contacting part. The signal terminals are also disposed on the sidewall of the chamber. When the plug is inserted into the chamber, a portion of the contacting part uncovered by the insulating wrap is electrically connected to the first terminal while the portion of the contacting part covered by the insulating wrap is electrically insulated from the plug.

Abstract: The present invention is a roller construction with direction finding for a mobile navigation device. The present invention comprises a hollow conductive ring with several slots at an end, wherein a contacting area is set on the inner surface of the protruding part between each two neighboring slots; a support to plug the conductive ring; and a plurality of terminals plugged in from both two end surfaces of the conductive ring, wherein the terminals at one end surface are plugged in at the depth no deeper than the bottoms of the slots. By the simple structure of the present invention, the conductive ring interacts with the terminals, wherein the first rolling direction can be differed from the second rolling direction by signals sent with time differential.

Abstract: A structure of a USB connector comprising an isolation chassis and an electric module is provided. The circuit board has a plurality of interconnection-terminals and a plurality of adaptor-terminals, wherein the power wave-filter module is positioned in a positive and negative power line of the circuit board and electrically connects to a first terminal and a fourth terminal of the interconnection-terminals and the signal wave-filter module is positioned in a signal line of the circuit board and electrically connects to a second terminal and a third terminal of the interconnection-terminals so as to cancel noise generated during signal transmission.

Abstract: A manufacturing method for a keypad is provided. First, a patterned thin plastic sheet, which includes a first surface and a second surface, is provided. A plurality of touch buttons which can be operated independently are included. The touch buttons have a plurality of hollow patterned structures on them. Later, a metal layer is formed on the first surface of the patterned thin plastic sheet and on the sidewalls of the hollow patterned structures. Thereafter, an adhesion enhancing layer is added onto to the second surface of the patterned thin plastic sheet. Later, a colored layer is formed on the adhesion enhancing layer. Finally, a protruding point layer is formed on the adhesion enhancing layer, and is covering the colored layer. The protruding point layer has a plurality of protruding points with positions corresponding to the touch buttons respectively.

Abstract: A card edge connector includes a connection part and a position guider. The connection part includes a plurality of terminals disposed in parallel to electrically connect to contacts of a daughter board. The position guider disposed inside the connection part includes a guiding structure formed at two opposing lateral sides of the position guider. The guiding structure includes two slant surfaces extending respectively away from the left and right sides of the position guider. The slant surfaces are used to align the daughter board into a desired position to reduce a misalignment shift between the terminals of the connection part and the contacts of the daughter board.

Abstract: A mobile navigation device including a roller, a support, a plurality of terminals, and a body. The roller including an insulated bushing and a conductive ring. By matching the plurality of protrusions on an inner end surface of the insulated bushing with a plurality of slots on one end of the conductive ring, the conductive ring is plugged inside of the insulated bushing. The support including two braces, wherein each of the braces has a cantilever that is plugged into the conductive ring to sustain the conductive ring and the insulated bushing. The plurality of terminals are plugged into the conductive ring by prestress on the inner surface of the conductive ring, and each terminal extends out of the conductive ring to connect with a default circuit contact. The body includes a plurality of fixture parts and a plurality of raised spots. The whole structure is movable forward, backward, rightward, leftward, and downward.

Abstract: A thin, low profile, printed circuit board connector is constituted of a chassis, having a terminal receiver and a lid set on the terminal receiver, wherein a base of the chassis comprises a plurality of terminals penetrated there-through, and the base comprises a sidewall at two sides thereof, and wherein said sidewall has a track for fitting the lid. A buckling element is fitted in the track of the sidewalls of the base such that the base portion of the buckling element can slide along the slope having a lower height towards a higher height, and thus wherein said buckling element can press the top surface of the lid to against and position the flexible circuit board between the two sidewalls.

Abstract: A connector for reducing electro-manetic wave interference has a receiving module, a first circuit board, a second circuit board, a third circuit board and adaptor module. The circuits of various characteristics are set onto the first circuit board and the second circuit board respectively for reducing electro-magnetic wave interferences during signal transmission.

Abstract: An LGA connector is used to interconnect an LGA package and a printed circuit board. The LGA connector includes an elastomeric body with a plurality of through-holes. Metal films are formed on inner walls of through-holes and splay out around the mouths of their upper and lower openings. The metal films are formed by vacuum metallization, sputtering, chemical plating, electrical plating or PVD. The through-holes have a funnel-like shape to absorb external stresses and redirect the stress to shrink the through-hole diameters. Moreover, the metal films' elastic deformation is larger than conventional metal conductive fillers so as to improve reliability.

Abstract: A structure of an USB connector comprising an isolation chassis and an electric module is provided. The circuit board a plurality of interconnection-terminals and a plurality of adaptor-terminals, wherein the power wave-filter module is positioned in a positive and negative power line of the circuit board and electrically connects to a first terminal and a fourth terminal of said interconnection-terminals and the signal wave-filter module is positioned in a signal line of the circuit board and electrically connects to a second terminal and a third terminal of the interconnection-terminals so as to cancel noise generated during signal transmission.

Abstract: The micro coaxial connector includes a signal terminal, a main body, and two grounding elements. The signal terminal has a pair of tag-like contact arms and bending arms at a front and rear end thereof, and a strip plane at a middle section thereof. The contact arms are for contacting with a base of a printed circuit board (PCB). The main body is for receiving the signal terminal and serving as an insulation. The two grounding elements are separated designs. The cylindrical-shaped first grounding element is for receiving and fastening the main body, and has a pair of extension arms for providing the coaxial cable with suitable clamping forces. The second grounding element is a cover-like body, and has a strip-like projection for increasing strength against bending of the second grounding element and preventing loosening of components.

Abstract: The present invention is a roller construction module having an error prevention structure, comprising a base; a roller disposed in said base; two terminals at two opposite ends of the base to be electrically connected with a metal ring in the roller; a first and a second plungers on the bottom surface of the base; a post between the first and the second plungers; a third plunger on the position at the opposite side to the post on the bottom surface; and a first and a second protecting rods at two opposite ends near the third plunger. Based on the above-said structure, the switch at the left or the right side of the roller construction module can be respectively activated, and another switch, at the middle area of the mobile device, can be prevented from being activated simultaneously so that error prevention is achieved.

Abstract: A matrix connector includes a first electrically insulative housing and a second electrically insulative housing arranged in a stack with the respective terminal slots respectively aligned, and terminals sets each formed of a movable terminal axially slidably mounted in the terminal slots of the first electrically insulative housing and a terminal holder mounted in the terminal slots of the second electrically insulative housing and clamped on the respective movable terminal for enabling the respective movable terminal to be moved axially relative to the respective terminal holder when maintained in contact with the respective terminal holder.

Abstract: An antenna includes an electrically insulative narrow elongated bracket, a coiled resonant conductor sleeved onto the bracket, a coaxial cable signal line extended out of one end of the bracket, a first metal conducting connecting member fastened to the bracket and connected to one end of the coiled resonant conductor, and a second metal conducting connecting member fastened to outer insulative layer and a tubular braided conducting layer of the signal line to secure the signal line to the bracket and to let the center conductor of the signal line be electrically connected to the first metal conducting connecting member and the resonant conductor.

Abstract: A micro coaxial cable connecting device, with application to cable to cable inter-connecting of micro coaxial cables, whereby the connecting device is separately configured as a female terminal connector and a male terminal connector, wherein the female terminal connector is assembled to include a signal terminal, an insulator, a conductor and a cover; and the male terminal connector is assembled to include a socket terminal, an insulator base and a casing. Structural design of the male terminal connector and the female terminal connector allows utilizing a lap joint method to connect said two connectors, and thereby enables reduction in production costs of connecting devices, provides enhancement in productivity, and answers to industrial utilization of such.