Abstract: A spectroscopic camera includes: a variable-wavelength interference filter; an image pickup element receiving light outputted from the variable-wavelength interference filter; a first circuit board where the variable-wavelength interference filter is provided; a second circuit board where the image pickup element is provided; a casing accommodating the first circuit board and the second circuit board; a first connector mounted at the first circuit board and provided with a first FG terminal electrically coupled to an external device; and a second connector mounted at the second circuit board and provided with a second FG terminal electrically coupled to the external device. The casing is electrically coupled to the first FG terminal of the first connector and the second FG terminal of the second connector without going through the first circuit board and the second circuit board, respectively.

Abstract: To reduce noise which leaks to the outside in an ultrasonic diagnostic apparatus. An internal AC wiring unit 34 is composed of internal AC wiring which is installed on the input side of a power source circuit, and a shield case 38 which accommodates it. The internal AC wiring includes an inlet, a plurality of connectors, a relay substrate, and a plurality of internal AC cables. The internal AC wiring is protected from radiation noise which is generated in a casing 22 by the shield case 38. Thereby, the noise which leaks to the outside via an external AC cable is reduced.

Abstract: The present invention is a precision location system for wireless devices within a host system using known location of blind spots or partial blind spots to advantageously increase the accuracy of location determination. The host system with known blind spots is particularly adept at providing the control system with precise location accuracy for determining the entering or departing of a known geofence zone by a wireless device host.

Abstract: Provided is an electronic device to which measures for reducing influence by electro-static discharge are applied. A tablet of the present disclosure includes a display module, a first metal frame that holds the display module, a second metal frame disposed on a surface opposite to a surface of the first metal frame where the display module is held, and a printed circuit board having a ground electrically connected to the first metal frame, mounting an electronic circuit, and disposed on a surface opposite to a surface of the second metal frame where the first metal frame is disposed. An electro-static current diverges to the first metal frame and the second metal frame.

Abstract: A low-profile, right angle connector assembly comprises six cable connectors and six board-mount connectors housed within a PCIe bracket and EMI shell. The PCIe bracket and EMI shell are braced to a low profile PCIe card. Each board-mount connector is designed to receive a cable connector and allows for the transmission and processing of high-speed data with lower latency. A removable latch mounted on the cable connectors helps ensure the cable connectors remain physically connected to the board-mount connectors. The removable latch may be replaced as needed for breakage and wear and tear.

Abstract: The present disclosure relates to a telecommunications jack including a housing having a port for receiving a plug. The jack also includes a plurality of contact springs adapted to make electrical contact with the plug when the plug is inserted into the port of the housing, and a plurality of wire termination contacts for terminating wires to the jack. The jack further includes a circuit board that electrically connects the contact springs to the wire termination contacts. The circuit board includes a multi-zone crosstalk compensation arrangement for reducing crosstalk at the jack.

Abstract: An electronic device is provided including a mainboard having a ground; a conductive bracket coupled to the mainboard; and an elastic member coupled to the mainboard, and electrically connected with the ground of the mainboard; wherein the elastic member is in elastic contact with the conductive bracket; and wherein the elastic member is electrically connected to the conductive bracket.

Abstract: According to various aspects, exemplary embodiments are disclosed of shielding structures including one or more frequency selective surfaces, which may be used for attenuating, reflecting, and/or redirecting electromagnetic signals through open structures. Also disclosed are methods of using one or more frequency selective surfaces for attenuating, reflecting, and/or redirecting electromagnetic signals through open structures.

Abstract: Provided are a braided shield member, a manufacturing method of a braided shield member and a wire harness which make it possible to demonstrate shielding performance sufficiently. The braided shield member constituting the wire harness includes a tubular body part and a tubular terminal part. The braided shield member is formed so that the terminal part is formed in a two-folded structure of an outside terminal part and an inside terminal part. Further, the braided shield member is formed so that metal wires are in a loose state inside stitches of the outside terminal part.

Abstract: An RF shielding device for mobile devices includes a conductive grid having horizontal and vertical wire traces in electrical contact with each other; a conductive trace disposed around the perimeter of the conductive grid, the conductive trace being in electrical contact with both ends of each of the horizontal and vertical wire traces; a first insulating film disposed on a top surface of the conductive grid; and a second insulating film disposed on a bottom surface of the conductive grid and the conductive trace. The first insulating film and the second insulating film are of a transparent material. The first and second insulating films are transparent, thus allowing viewing of the display of a mobile device on which the RF shielding device is disposed. The vertical and horizontal wire traces are spaced to form a grid that is opaque to signals in the frequency ranges utilized for mobile communication.

Abstract: A method and apparatus are disclosed in order to provide an electromagnetic pulse shield ground path. In this regard, a shielded power feeder assembly is provided that includes a plurality of conductors comprising a neutral conductor and at least one power feeder conductor. Each conductor includes an electromagnetic pulse shield. The shielded power feeder assembly also includes a fanning bar ground block. The fanning bar ground block includes a body member defining a plurality of openings for receiving respective neutral and power feeder conductors. The fanning bar ground block also includes a plurality of barrels associated with respective openings defined by the body member and configured to be positioned in electrical contact with the shield of the conductor extending through the respective opening. The shielded power feeder assembly also includes a ground path extending from the fanning bar ground block. A corresponding method is also disclosed.

Abstract: A structure comprises a plurality of signal conductors, a plurality of conductive conductors respectively conducting to the signal conductors, and capacitive members or capacitive characteristics between the plurality of signal conductors. The plurality of conductive conductors respectively include contact portions configured to come into contact with another conductor. The plurality of contact portions come into contact with the other conductor to form an EBG structure comprising the plurality of signal conductors having capacitive characteristics which prevent propagation of an electromagnetic wave in a specific frequency band, the plurality of conductive conductors having inductive characteristics, and a conductor ground plate, thereby shielding against an electromagnetic wave propagating in the other conductor.

Abstract: A printed circuit board and an electronic product are disclosed. In accordance with an embodiment of the present invention, the printed circuit board includes a first board, which has an electronic component mounted thereon, and a second board, which is positioned on an upper side of the first board and covers at least a portion of an upper surface of the first board and in which an EBG structure is inserted into the second board such that a noise radiating upwards from the first board is shielded. Thus, the printed circuit board can readily absorb various frequencies, be easily applied without any antenna effect and be cost-effective in manufacturing.

Abstract: Disclosed is a printed circuit board into which an electromagnetic bandgap structure for blocking a noise is inserted. The electromagnetic bandgap structure can include a first conductor and a second conductor arranged on different planar surfaces, a third conductor arranged on a same planar surface that is different from a planar surface where the second conductor is arranged, and a first stitching via unit configured to connect the first conductor to the third connector through the planar surface where the second conductor is arranged and being electrically separated from the second conductor. The first conductor can include a first plate, a second plate spaced from the first plate, and a second stitching unit configured to electrically connect the first plate to the second plate through a planar surface that is different from a planar surface where the first plate and the second plate are arranged.

Abstract: An electromagnetic bandgap structure and a printed circuit board including it as well as a method of manufacturing thereof that can solve a mixed signal problem between an analog circuit and a digital circuit are disclosed. The electromagnetic bandgap structure in accordance with an embodiment of the present invention can include: a first metal layer; a first dielectric layer, stacked on the first metal layer; a metal plate, stacked on the first dielectric layer; a second dielectric layer, stacked on the metal plate and the first dielectric layer; a second metal layer, stacked on the second dielectric layer; and a via, directed from the metal plate to the first metal layer and the second metal layer. The via can be connected to the first metal layer and is not connected the second metal layer.

Abstract: A power inverter for a hybrid automotive vehicle having a case with an interior and at least one electrical port mounted on the case to electrically connect electrical signals from the interior of the case to an exterior device. A cable connector is associated with each electrical port while a non-electrical sensing conductor extends serially through each electrical port and its associated cable connector. A circuit is provided which detects a break in the continuity of the sensing conductor and generates a signal representative of that break in continuity. The non-electrical sensing conductor thus minimizes the emission of EMI from the inverter. Additionally, a circuit board is mounted within the interior of the case by fasteners which minimize the spacing between the circuit board and the case to further reduce EMI emissions.

Abstract: Disclosed herein is an electromagnetic wave shielding substrate including an electromagnetic bandgap structure which is formed along the edge thereof in order to prevent electromagnetic waves from being emitted therefrom. The electromagnetic wave shielding substrate can effectively prevent the emission of electromagnetic waves.

Abstract: In a double-stacked electromagnetic bandgap (EBG) structure, a first conductive plane and a second conductive plane are spaced apart in parallel. At least two EBG layers are embedded in parallel between the first conductive plane and the second conductive plane. The at least two EBG layers have different stopband characteristics. A plurality of vias connect the at least two EBG layers respectively to one of the first and second conductive planes. At least the vias connecting one of the EBG layers pass through via holes in cells of another EBG layer.

Abstract: A connector housing for a small and portable transmitting-receiving module includes an upper housing and a lower housing. The upper housing has a top board, two side walls and a rear cover. The lower edge of the two side walls has a first wedging plate, first convex blocks, and first indentations. The lower housing has a bottom board, and the bottom board has a second wedging plate, second convex blocks, and second indentations. The second wedging plate is wedging the two side walls. The first wedging plate is wedging the bottom board. The second convex blocks are plugged into the first indentations. The first convex blocks are plugged into the second indentations. Thereby, the structure of the connector housing is stronger compared to the prior art. The housing is not easily deformed. Its structure is simple, and the manufacturing cost is reduced.

Abstract: According to one exemplary embodiment, a structure comprises an electronic device situated over a substrate of a semiconductor die. The structure further includes a metal cage comprising a number of contacts situated over the substrate and surrounding the electronic device. The contacts form a lateral EMI shield portion of the metal cage. The structure also includes a number of vias connecting a number of metal interconnect segments to the contacts. The metal interconnect segments form a top EMI shield portion of the metal cage.

Abstract: Disclosed are an electromagnetic bandgap structure and a printed circuit board including the same. In accordance with an embodiment of the present invention, the printed circuit board can include a dielectric layer, a plurality of conductive plates, and a stitching via, which is configured to electrically connect the conductive plates to each other. The stitching via can pass through the dielectric layer, and a part of the stitching via can be placed in a planar surface that is different from a planar surface in which the conductive plates are placed. With the present invention, the electromagnetic bandgap structure can prevent a signal of a predetermined frequency band from being transferred.

Abstract: A digital electronic apparatus includes a plurality of units and a cable. The plurality of units have metallic housings and are combined such that surfaces of the metallic housings are opposed to each other. The cable is laid on a surface of the metallic housing of at least one of the units. The surface on which the cable is laid is other than the surfaces of the metallic housings that are opposed to each other.

Abstract: A method for providing a PCB (printed circuit board) with a shield can (1) comprising a metal shell with a free rim (5). The method prescribes that the rim (5) of the shield can (1) is provided with an extra amount of solder (8) before the shield can (1) is placed on the PCB. A shield can (1) is also described.

Abstract: A wear resistant EMI shield includes a metallic film or multiple metallic films, and a carbon-nanotube coating (14) formed on the metallic film or multiple metallic films. The metallic films may include nickel film (12), copper film (13) and NixCu1?x (x=0.62˜0.99) (15) alloy film. In a preferred embodiment, the structure of the wear resistant EMI shield is CNT/Ni/Cu/Ni/. The thickness of metallic film is in the range from 20 to 100 nm and the thickness of carbon-nanotube coating is in the range from 10 to 200 nm. The wear resistant EMI shield may apply to various substrate surfaces (10) of electronic equipment, such as the shell of computer, play-station, wireless equipment, mobile phones, automobiles, airplanes, commercial appliance and consumer products, etc. The wear resistant EMI shield has good wear resistance, EMI shield effect, thin thickness and lightweight.

Abstract: A cable arranging structure for exchanging electric signals between a pair of printed circuit boards includes at least a pair of electrically conductive members adapted to arrange the cable between them over the entire length thereof. The electrically conductive members show an electric potential substantially equal to that of the ground. Such a structure requires only the two electrically conductive members to be rigidly secured so that radiant noises generated by the cable can be effectively suppressed by means of the structure without the need of deforming the cable.