Abstract: An indicator module is provided, including a device housing, a circuit board, a plurality of light sources, a dividing structure, and a homogenizing plate. The device housing includes a transparent window. The circuit board is disposed in the device housing. The light sources are disposed on the circuit board, wherein each light source is adapted to provide a light beam. The dividing structure is disposed in the device housing, wherein the dividing structure defines a plurality of divided spaces, and the divided spaces respectively correspond to the light sources. The homogenizing plate is disposed in the device housing. The homogenizing plate corresponds to the divided spaces, wherein an air gap is formed between the transparent window and the homogenizing plate. The light beam enters the divided space from the light source, passes through the homogenizing plate and the air gap, and is emitted through the transparent window.

Abstract: An indicator module is provided, including a device housing, a circuit board, a plurality of light sources, a dividing structure, and a homogenizing plate. The device housing includes a transparent window. The circuit board is disposed in the device housing. The light sources are disposed on the circuit board, wherein each light source is adapted to provide a light beam. The dividing structure is disposed in the device housing, wherein the dividing structure defines a plurality of divided spaces, and the divided spaces respectively correspond to the light sources. The homogenizing plate is disposed in the device housing. The homogenizing plate corresponds to the divided spaces, wherein an air gap is formed between the transparent window and the homogenizing plate. The light beam enters the divided space from the light source, passes through the homogenizing plate and the air gap, and is emitted through the transparent window.

Abstract: A wireless signal device is provided. The wireless signal device includes a device body, a fastening belt, a wireless signal module and a switch unit. The device body includes a through hole. A fixed end of the fastening belt is affixed to the device body, and a free end of the fastening belt is adapted to be inserted into the through hole. The wireless signal module is disposed in the device body. The switch unit is disposed in the device body, wherein in a signal transmission mode, the fastening belt passes through the through hole, and the switch unit is pressed by the fastening belt to activate the wireless signal module.

Abstract: A wireless signal device is provided. The wireless signal device includes a device body, a fastening belt, a wireless signal module and a switch unit. The device body includes a through hole. A fixed end of the fastening belt is affixed to the device body, and a free end of the fastening belt is adapted to be inserted into the through hole. The wireless signal module is disposed in the device body. The switch unit is disposed in the device body, wherein in a signal transmission mode, the fastening belt passes through the through hole, and the switch unit is pressed by the fastening belt to activate the wireless signal module.

Abstract: A fixing apparatus for fixing a waveguide plate includes a number of conductive fixing members fixed to corresponding sides of the waveguide plate, and a bracket. Each fixing member includes a fixing portion having an identical length to the corresponding sidewall and a resilient abutting portion extending from a side of the fixing portion. Each fixing portion is in tight contact with the corresponding side of the waveguide plate. The waveguide plate is received in the bracket. The resilient abutting portions resiliently abut against an inner surface of the bracket.

Abstract: A chassis for an electronic device includes a main housing and a removable cover. The main housing includes a base plate and two opposite side plates integrally formed together. The removable cover includes a main portion and two opposite side portions. The side portions are latched on the side plates. A space is defined between each side portion of the cover and each side plates of the main housing. A waveguide is formed between each side portion and each side plate to attenuate electromagnetic radiation in the space.

Abstract: A memory card module includes a memory card, a socket including a connecting portion and a main body protruding from the connecting portion, two locking members, and a shielding member made of electromagnetic shielding material. The shielding member covers the memory card and the main body. The locking members are pivotably attached to opposite sides of the main body respectively. Each locking member includes a locking portion. The shielding member includes a top plate, two end plates extending down from opposite ends of the top plate, and two side plates extending down from opposite sides of the top plate. A number of vents are defined in each end plate. A block protrudes from each side plate. The locking portion of each locking member abuts against the block of the corresponding side plate, to mount the shielding member to the socket.

Abstract: A waveguide member assembly includes a side plate and a waveguide member. The side plate defines an opening. The waveguide member includes a main body molded integrally by plastic. The main body includes a core portion and a mounting plate extending out from edges of a side of the core portion. The core portion includes a number of waveguide tubes aligning with the opening. A metal layer is coated on an outer side of the main body and inner sidewalls of the waveguide tubes. The mounting plate is fastened to the side plate.

Abstract: A radio frequency(RF) printed circuit board (PCB) includes an RF circuit for generating high frequency signals. The RF PCB is connected to an EMC measuring device when measuring the EMC thereof. The measuring device includes a probe pin and a shielding barrel surrounding the probe pin. The shielding barrel includes an end surface at a distal end thereof. The RF PCB further includes a test node connected to the RF circuit and a ground node surrounding the test node. The test node contacts the probe pin and outputs the high frequency signals when measuring the EMC of the RF PCB. The ground node corresponds to the end surface and contacts the end surface while the probe pin contacts the test node.

Abstract: A connector assembly includes a male connector and a female connector. The male connector includes a first insulation shell, and a number of first metal terminals received in the first shell. The female connector includes a second insulation shell and a number of second metal terminals received in the second shell. When the male connector is inserted into the female connector, the first metal terminals and the second metal terminals are insulated from static electricity by the first and second insulation shells.

Abstract: A memory card module includes a memory card, a socket including a connecting portion and a main body protruding from the connecting portion, two locking members, and a shielding member made of electromagnetic shielding material. The shielding member covers the memory card and the main body. The locking members are pivotably attached to opposite sides of the main body respectively. Each locking member includes a locking portion. The shielding member includes a top plate, two end plates extending down from opposite ends of the top plate, and two side plates extending down from opposite sides of the top plate. A number of vents are defined in each end plate. A block protrudes from each side plate. The locking portion of each locking member abuts against the block of the corresponding side plate, to mount the shielding member to the socket.

Abstract: A connector includes a connector receptacle and a cable. The connector receptacle includes an insulating body, a metallic box and a magnetic ring. The metallic box is connected to the insulating body and defines a closed receiving cavity. The cable includes a cable head. The cable head is received in the receiving cavity, and extends through the magnetic ring.

Abstract: A chassis for an electronic device includes a main housing and a removable cover. The main housing includes a base plate and two opposite side plates integrally formed together. The removable cover includes a main portion and two opposite side portions. The side portions are latched on the side plates. A space is defined between each side portion of the cover and each side plates of the main housing. A waveguide is formed between each side portion and each side plate to attenuate electromagnetic radiation in the space.

Abstract: A fixing apparatus for fixing a waveguide plate includes a number of conductive fixing members fixed to corresponding sides of the waveguide plate, and a bracket. Each fixing member includes a fixing portion having an identical length to the corresponding sidewall and a resilient abutting portion extending from a side of the fixing portion. Each fixing portion is in tight contact with the corresponding side of the waveguide plate. The waveguide plate is received in the bracket. The resilient abutting portions resiliently abut against an inner surface of the bracket.

Abstract: An exemplary VGA connector includes a number of power pins, a number of signal pins, a number of ground pins, a number of EMI suppression members, and a cable. The power pins are to receive power. The signal pins are to transmit signals. The EMI suppression members are configured to suppress electromagnetic interference. The cable includes a plurality of wires. Each wire corresponds to one pin. Each EMI suppression member is electrically connected between one of the plurality of signal pins and one of the plurality of wires corresponding to the one of the plurality of signal pins.

Abstract: An electromagnetic shielding device for shielding electromagnetic energy generated by an electronic apparatus. The electromagnetic shielding device includes a base board and a number of protrusions formed on the base board. The length of each protrusion along a direction perpendicular to the base board is adjustable. The amount of electromagnetic energy can be absorbed by the electromagnetic shielding device is adjusted according to the length of the protrusion.

Abstract: A universal serial bus (USB) connector includes a housing and a main body received in the housing. The main body includes an insulator, a number of conductive terminals, a number of conductive pieces, and an anti-electromagnetic radiation (EMR) member. The conductive terminals, the conductive pieces, and the anti-EMR member are arranged in the insulator. Each conductive piece connects a corresponding one of the conductive terminals to the anti-EMR member.

Abstract: Provided is a static discharge isolation device for mounting on a case of a computer. The case includes a sidewall with an array of exposed interfaces. The static discharge isolation device composed of a dielectric. The static discharge isolation device includes a main body. The main body defines a number of cavities. The number, size, shape, and arrangement of the cavities are such to ensure each interface of the computer being closely surrounded by a corresponding cavity.

Abstract: A radio frequency(RF) printed circuit board (PCB) includes an RF circuit for generating high frequency signals. The RF PCB is connected to an EMC measuring device when measuring the EMC thereof. The measuring device includes a probe pin and a shielding barrel surrounding the probe pin. The shielding barrel includes an end surface at a distal end thereof. The RF PCB further includes a test node connected to the RF circuit and a ground node surrounding the test node. The test node contacts the probe pin and outputs the high frequency signals when measuring the EMC of the RF PCB. The ground node corresponds to the end surface and contacts the end surface while the probe pin contacts the test node.

Abstract: A test device for testing high frequency electromagnetic interference (EMI), the test device includes a measuring body and a probe device. The probe device includes a horn antenna, a handle, and a cable. The horn antenna detects high frequency EMI. The handle is attached to the horn antenna for feasibly holding the horn antenna. A first end of the cable is connected to the horn antenna, and a second end of the cable is connected to the measuring body.