Abstract: A chassis structure with interface card bracket is described, which uses a bracket to assemble an interface card in an accommodation space within a chassis. The bracket includes a carrying member and an operating member that are pivoted to each other, and the interface card is fixed on the carrying member. The chassis includes a guide portion disposed therein. As the bracket moves into the accommodation space, the carrying member and the operating member are pivoted with respect to each other upon being guided by the guide portion to form an appropriate included angle there-between, so as to avoid barriers around the accommodation space, thereby assembling the interface card into the accommodation space successfully.

Abstract: A handheld computing device includes an electronic component assembly including at least one user interface component, and an enclosure formed from an extruded tube. The extruded tube defines an internal lumen between open ends, and has a substantially uniform cross section along a longitudinal axis thereof. The extruded tube includes a front face, a back face, side portions connecting the front face and the back face, at least one access opening provided on the front face, and a pair of guide rails formed in the lumen along the side portions in parallel with the longitudinal axis, the guide rails slidably guiding and receiving the electronic component assembly. The guide rails support the electronic component assembly and provide a reference surface for positioning the electronic component assembly relative to the front face such that the user interface is placed right behind the access opening to provide user access therethrough.

Abstract: An electronic module. The electronic module includes a chassis and a locking member connected to the chassis. The locking member includes a handle portion, a curved portion, and a tab portion. The curved portion is adjacent the handle portion. The tab portion is opposite the curved portion.

Abstract: An electromagnetic shielding carrying case comprising a front and middle panel hingedly connected to a rear panel. The front panel and middle panel further comprise respective electromagnetic shielding members with a card holding means affixed to each. The carrying case has a closed state wherein the continuous upstanding walls of the front and rear panels are brought into engagement with one another so as to form an enclosure around the middle panel, thus shielding contactless smartcards within from being powered up by an RFID reader. A releasable locking means affixed to a front portion of the rear panel temporarily holds front panel closed, and can be unlocked so that the front panel pivots open, creating the first open state of the carrying case wherein contactless smartcards can be inserted and removed from both card holding means. The middle panel can also be pivoted open to reveal a pocket within the rear panel that holds paper currency and the like.

Abstract: A housing assembly (10) for use in a portable electronic device, includes base (14) and a decorative element (12). The base (14) has a securing portion (144) protruding therefrom; The decorative element (12) has a securing groove (126) corresponding to the securing portion (144) and the cross-sectional area of the securing groove (126) being smaller than the cross-sectional area of the securing portion (144); When the decorative element (12) is pressed toward the base (14), the decorative element (12) may be elastically deformed due to the pressing force, and the cross-sectional area of the securing groove (126) is enlarged so the securing portion (144) can be pushed in the securing groove (126); and when the pressing force is removed, the securing groove (126) begins trying to shrink to its original state so that the securing portion (144) is press-fit within the securing groove (126) to mount the decorative element (12) on the base (14).

Abstract: A storage unit and associated methods of use enable clinicians to store portable electronic devices in a centralized location while ensuring that proper authorization is needed to access the devices. The storage unit is formed with an enclosure for housing portable electronic devices. A plurality of shelves are disposed within the enclosure, each being sized for supporting a portable electronic device. One or more access doors are mounted onto the enclosure and moved between a closed position preventing access to housed electronic devices and an open position where the electronic devices may be viewed and accessed. Each access door has a locking mechanism coupled therewith to selectively maintain the access door in the closed position. Optionally, the locking mechanism receives input regarding a request for access to the enclosure and automatically unlocks the associated access door when the input received is associated with an authorized request for access.

Abstract: The present invention relates to a method and a printed board assembly for use in a MicroTCA system, wherein backplane pin connectors of the printed board assembly are arranged to be received in receiving connectors of a backplane interconnect, characterized in that it comprises at least one switch unit which is arranged with physical output/input ports that have physical port numbers that can be overridden by logical port numbers, an optimal routing of a number of sets of conductive threads in the printed board assembly arranged so that none of the conductive threads cross over each other while connecting physical output/input ports of the switch units with the backplane pin connectors, and printed circuit board layers arranged to shield signals travelling in the conductive threads in conductive layers of the printed circuit board layers from any significant crosstalk.

Abstract: A spectrophotometric sensor is provided that includes a mating surface upon which electrical and optical components may be secured and a Faraday shield assembly secured to the mating surface enclosing a photodetector. The Faraday shield assembly includes alignment features that may be employed to provide mechanical registration and/or electrical coupling of the Faraday shield assembly. The spectrophotometric sensor may be placed on a patient's finger, toe, ear, and so forth to obtain hemoglobin oxygen saturation using pulse oximetry, or for other physiological measurements.

Abstract: A rackmount storage server has a printed circuit board (PCB) having connectors for connecting with a plurality of top-loading storage devices. A controller assembly having a PCI expansion slot, is arranged to operatively connect to the passive backplane from a rear side of the PCB. Further, the rackmount storage server has redundant cooling unit for facilitating air flow in an interior region of the rackmount storage server. Further, the rackmount storage server may have an integrated battery for saving power for use in case of, for example, a power failure.

Abstract: A grounding apparatus (200) includes at least one conductive member (20), a sliding mechanism (30) and a flexible printed circuit board (40). The sliding mechanism is conductive and electrically connected to the conductive member. The flexible printed circuit board includes a conductive layer (421) and a grounding end (4231), the conductive layer and the grounding end are electrically connected to the sliding mechanism.

Abstract: A control device for arrangement in a fluid environment includes a housing, with a housing lid (1) for accommodating sensors and a housing shell (2) for receiving at least one control unit (3). The control device further includes at least one device (4) for electrically connecting the sensors to the control unit (3) as well as at least one sealing element (5) for sealing the housing shell (2) against the fluid environment. The device (4) for electrically connecting the sensors located on the housing lid (1) to the control unit (3) in the housing shell (2) is embodied as a film conductor between the housing lid (1) and the sealing element (5) while the sealing element (5) is embodied as a plane sealing element.

Abstract: A plasma display assembly having increased structural rigidity without using a reinforcing member is disclosed. The plasma display assembly includes a PDP, a chassis base and at least one or more circuit boards so as to provide the electromechanical structures to produce an image. The chassis base supporting the PDP at a rear side thereof includes a base part and at least one extended bent part. The base part is formed substantially parallel to the PDP. The extended bent part is formed in at least one of upper, lower, left and right edges of the base part, and includes a first bent part bent with respect to the base part to extend rearwardly, a second bent part bent with respect to the first bent part to extend in a direction parallel to the chassis base, and a third bent part bent with respect to the second bent part to extend forwardly. The circuit boards are arranged to be connected to at the rear side of the chassis base and drive the PDP during operation.

Abstract: A mirror image shielding structure is provided, which includes an electronic element and a ground shielding plane below the electronic element. The shape of the ground shielding plane is identical to the projection shape of the electronic element, and the horizontal size of the ground shielding plane is greater than or equal to that of the electronic element. Thus, the parasitic effect between the electronic element and the ground shielding plane is effectively reduced, and the vertical coupling effect between electronic elements is also reduced. Furthermore, the vertical impact on the signal integrity of the embedded elements caused by the layout of the transmission lines is prevented.

Abstract: Systems and methods for providing a dynamically modular processing unit. A modular processing unit is provided as a platform that is lightweight, compact, and is configured to be selectively used alone or oriented with one or more additional processing units in an enterprise. In some implementations, a modular processing unit includes a non-peripheral based encasement, a cooling process (e.g., a thermodynamic convection cooling process, a forced air cooling process, and/or a liquid cooling process), an optimized circuit board configuration, optimized processing and memory ratios, and a dynamic back plane that provides increased flexibility and support to peripherals and applications. The modular processing unit is customizable and may be employed in association with all types of computer enterprises. The platform allows for a plethora of modifications that may be made with minimal impact to the dynamically modular unit, thereby enhancing the usefulness of the platform across all type of application.

Abstract: Disclosed is a high frequency wave tuner module including a circuit board having an approximately rectangular shape, which is made of ceramic material and a shield cover to shield an interfering wave by covering a circuit part mounted on a board surface of the circuit board, and a position of the shield cover in a height direction with respect to the board surface is determined by fixing the shield cover to the board surface at four corner positions of the circuit board, and a position of the shield cover in a board surface direction with respect to the circuit board is determined by engaging at least two side walls of the shield cover which extend in a thickness direction of the circuit board, with end surfaces of the circuit board, which correspond to the two side walls.

Abstract: An EMI shielding assembly includes a bracket and a resilient shield. The bracket includes a top wall, a bottom wall, and a pair of sidewalls connected between the top wall and the bottom wall. A first and second opening are defined at opposite sides of the bracket and surrounded by the walls. Two face-to-face L-shaped plates extend from the pair of sidewalls respectively at the second opening. The shield is mounted between the L-shaped plates and covering the second opening.

Abstract: A disk drive cage comprises a bracket (3) and a shielding member (1). The bracket comprises a top wall (31) and a securing wall (32) parallel to the top wall. The securing wall defines a plurality of securing holes (321) therein. The shielding member comprises a shielding cover (20) and a bezel (10) attached to the shielding cover. The shielding cover defines a plurality of cross-shaped slots (23). Each cross-shaped slot comprises a first slot (231) and a second slot (232) crossing the first slot. A receiving area (236) is defined in a crossing portion formed by the first and second slots. The bezel comprises a plurality of securing posts (12) interferentially engaging with the plurality of cross-shaped slots, and a plurality of hooks (162) engaging with the securing holes of the securing wall of the bracket. Each securing post comprises a securing portion (124). The securing portion is larger in cross-section than the receiving area. The shielding member is mounted between the top wall and the securing wall.

Abstract: An electronic shielding component includes a shielding body, at least one cavity on a first side of the shielding body, the at least one cavity adapted to accommodate an electronic component therein, and at least two cavities on a second side of the shielding body, each of the at least two cavities adapted to accommodate an electronic component therein. Each cavity is adapted to electromagnetically isolate an electronic component therein from cavities on an opposite side of the shielding body and from cavities on the same side of the shielding body.

Abstract: The present invention can relate to an electronic device having one or more support tabs that protect a circuit board disposed inside the device from externally applied compressive forces. In particular, when a force is applied to a housing of the device, the support tabs can buttress the housing of the device, either directly or through other intervening components disposed within the device, to reduce the likelihood that the housing or intervening components will contact and damage the circuit board. The present invention also can relate to methods for manufacturing such an electronic device.

Abstract: The present invention can relate to multiple-connector assemblies for use in, for example, electronic devices. Each of the connectors are constrained to another connector by aligning one or more complementary sets of reference features. A locating bracket may be used to couple multiple connectors together. Alternatively, the connectors may be coupled to each other directly. The electronic device also may include a retainer coupled to the connectors (either directly or indirectly through the locating bracket). The retainer and a surface of one of the connectors may form a single plane to which an end cap of the housing may be coupled, thereby accurately locating the end cap with respect to the connectors. The present invention also can relate to methods of manufacturing such an electronic device.

Abstract: According to one embodiment, a display apparatus includes a housing, a display panel contained in the housing, a longitudinal frame extending vertically along a back surface of the display panel and secured to the display panel, a circuit board electrically connected to the display panel, and a chassis member on which the circuit board is mounted. The chassis member is a plate-like member of a size greater than or equal to that of the circuit board, arranged between the longitudinal frame and an horizontal edge part of the display panel, supported by the longitudinal frame to be opposed to the back surface of the display panel, and provided with a stud pin to which the circuit board is secured.

Abstract: In order to detachably mount a module to a plug-in unit while reliably realizing electromagnetic shielding of the plug-in unit in a communication apparatus having a sub-rack and the plug-in unit electrically connected to the sub-rack, the present invention provides a second shield cover member covering a portion protruding from a front end surface of a printed board in an interface part and having a first opening to expose a connection with an outside provided at a front end of the interface part to the outside, the first opening being in contact with a circumferential surface of the interface part and a shield mechanism interposed between the second shield cover member and a front cover member to cover a gap between a second opening of the front cover member and an outer circumferential surface of the second shield cover member.

Abstract: The present invention provides methods and devices for protecting electronic components of handheld electronic devices from electrostatic discharge. An electronic device in accordance with the present invention includes an enclosure having first and second housing portions, a mating edge connection between the first and second housing portions, an electronic component, and an electrically insulating frame. The electrically insulating frame is positioned within the enclosure and surrounds at least a portion of the electronic component thus providing an electrostatic discharge barrier between the mating edge connection and the electronic component.

Abstract: An electronic module includes a board unit having a handle and a module housing. The handle includes a grip portion and a pair of leg portions. The leg portions have engagement convex portions extending from portions serving as rotary pivots, of the leg portions. The module housing includes an engagement concave portion provided to correspond to the engagement convex portions. When the board unit is inserted into the module housing, by rotating the handle around the rotary pivots in a direction along which the grip portion approaches the panel portion, the engagement convex portions are brought into contact with a part of the engagement concave portion to produce a force in a direction, along which the board unit is pressed into the module housing.

Abstract: A communication device includes a first printed circuit board (PCB), a second PCB disposed parallel to the first PCB, a first shielding cage and a second shielding cage. The first and second shielding cages are fixed to the first and second PCBs and define at lease one first and second receiving space to receive at least one transceiver modules, respectively. The first and second shielding cages include at least one first and second retaining tabs, respectively. Each of the transceiver modules received in the first and second shielding cages includes a release mechanism configured with a release portion and a trigger. The release portions can match one corresponding first and second retaining tabs to release the corresponding transceiver module. The triggers are disposed on one side of the transceiver modules close to the first and the second PCBs.

Abstract: A power platform assembly is provided to convert available AC power into power suitable to power SINCGARS radio components. The platform includes a horizontal base for supporting up to two SINCGARS radios and a carriage assembly supported above the base to provide support for up to two radio frequency power amplifiers. Connectors, internal wiring, and electrical components inside the platform provide power and electrical connections between components within and connected to the platform. Ancillary electronics and connectors provide for remote audio monitoring of communications via an LS-671 external speaker, or equivalent external speaker arrangement. The platform allows various types of available AC power, as may vary across different regions of the world, to power the radios and radio frequency power amplifiers while allowing others in a secure vicinity of the platform to hear incoming and outgoing voice transmissions without draining the batteries powering the radios.

Abstract: A housing structure of an acoustic controller having a lower case which is lightweight, high in the degree of freedom in shape design, and capable of suppressing a deformation of side walls thereof after being molded. The lower case is integrally formed from resin into a rectangular dish shape having front, rear, left, right, and bottom plates. An upper unit is attached to an open upper part of the lower case. The left and right plates of the lower case have upper parts thereof formed into brim portions protruding outward in the left-to-right direction. Front and rear parts of each brim portion are further protruded outward and formed into flanges that function as mounting portions used for mounting the acoustic controller to a rack.

Abstract: A printed circuit board unit is configured so that, when a charged electrical circuit unit is electrically connected to the printed circuit board unit, first, the ground potential of the electrical circuit unit is dropped to the frame ground potential, and next, the ground potential of the electrical circuit unit is dropped to the ground potential of an electrical circuit on the printed circuit board unit.

Abstract: An EMI shield for a transceiver module includes a plurality of collapsible fingers that allow the shield to be sealed at the corners when the transceiver is inserted into a receiving cage. The fingers of the shield are made with a designed interference with the cage, so that the fingers are compressed when the module is inserted into the cage. A pattern of peaks and valleys on the fingers bordering the corners of the shield allows the two adjacent fingers to mesh when the module is inserted into the cage. The meshing of the peaks-and-valleys pattern of the bordering fingers allows the shield to be sealed with a gap width under 0.015?.

Abstract: Electronic devices can be provided with at least one first circuit component coupled to a first circuit board, at least one second circuit component coupled to a second circuit board, and a mating assembly coupled to the boards for holding them in a vertical stack. The first circuit components can face the second circuit components in the stack. One or more of the first circuit components can be horizontally offset from one or more of the second circuit components in the stack to reduce the thickness of the mated circuit boards. Portions of the circuit boards and the mating assembly can shield the circuit components of the stack from electromagnetic interference.

Abstract: A handheld computing device is disclosed. The handheld computing device includes an enclosure having structural walls formed from a ceramic material that is radio-transparent.

Abstract: A structure of mounting a shield cover according to the present invention includes a shield cover having an insertion part which is inserted into a gap formed between a circuit substrate and a shield cover fastening part along the circuit substrate. The insertion part of the shield cover includes a convex part that is elastic and deformable, and the end of the insertion part and the shield cover fastening part come in contact with each other by the elasticity with the convex part being in contact with the circuit substrate as the fulcrum.

Abstract: Base radios and communication apparatus (100) that include: a chassis (110); at least one power supply module (120) having a height that is substantially the height of a three rack unit chassis and having a width that is substantially one sixth the usable width of a nineteen inch rack; at least one fan kit module (130) having a first fan kit module dimension that is substantially the height of the power supply module and a second fan kit module dimension that is substantially five sixths the usable width of a nineteen inch rack; and at least one other module (140, 150) having a first module dimension that is substantially the second fan kit module dimension and having a corresponding second module dimension.

Abstract: A housing or a frame-like holding element for, in particular, electronic or electrical components, including a frame that surrounds an opening, a holding fixture that, while extending in a longitudinal direction, is formed in the front side of at least one profile. An inscribed strip is placed inside the holding fixture and supports a holding strip that forms a viewing surface on the front side. This invention provides a holding element that can be easily assembled while having a visually appealing layout of the inscribed strip. This invention provides frame limbs forming the frame in the form of frame profiles, of which the holding fixture for the inscribed strip is formed on at least one, and the holding strip, on a rear side facing away from the viewing side, has two longitudinally extending resilient detent webs which are parallel to one another and which have detent elements that engage in a locking manner within detent mating elements formed on the holding fixture.

Abstract: A patch panel system including a chassis and a plurality of modules. The chassis includes elongated structures configured to interconnect top, bottom and side portions of the chassis. The elongated structures are also configured to receive and secure a printed circuit board and the plurality of modules to the chassis. The modules include a housing and a module card. The card can include a variety of connections that provide communication to connections located on a back plane of the chassis. The system can include a combination of passive and active modules that are interchangeable to provide a variety of interface configurations.

Abstract: In one example embodiment, a pluggable optoelectronic module includes a shell with a front, back, and first and second sides. A first guiderail protrudes from the first side and extends from the front of the shell to the back of the shell. A second guiderail protrudes from the second side and also extends from the front of the shell to the back of the shell. A first thumbscrew runs the length of the module and is housed within the first guiderail. A second thumbscrew also runs the length of the module and is housed within the second guiderail. The two thumbscrews are configured to secure the module to a host device when the module is plugged into the host device.

Abstract: A shield structure for information technology equipments includes an opening part provided in a portion of the shield structure and a lid covering the opening part. A signal ground line is provided on a printed circuit board accommodated in the enclosure. An electric connection material extends between the lid and the signal ground line of the printed circuit board and has at least a surface formed by an electrically conductive material. The electric connection material is in contact with the signal ground line of the printed circuit board.

Abstract: An IC element 2 having an oscillation circuit and an amplification circuit is mounted on a wiring board 1, the IC element 2 is covered with a sealing resin layer 4 having a window 4a on an upper surface of the IC element 2, and a shielding layer 5 is made to adhere to the sealing resin layer 4 and the window 4a from above. In a simple configuration, the entrance of electromagnetic waves into the IC element 2 is reduced, which allows a transmission signal from the IC element 2 to be stabilized.

Abstract: The devices and methods herein provide ground for computer cards inserted into a computer card chassis (e.g., VME chassis, CompactPCI chassis, ATCA chassis, etc.). A resilient clip may be configured with a chassis member of the computer card chassis. The clip is affixed to the computer card chassis and maintains contact with a ground plane, such as an ESD shield. The clip may have a self locking mechanism which insurers that the clip resides at a fixed position with the chassis member. A computer card may then be inserted into the computer card chassis and thereby make contact with the resilient clip. The computer card may include a ground pin which inserts through an aperture within the chassis member to make contact with the resilient clip. Accordingly, the inserted computer card may be provided with ESD protection as well as a ground reference potential from the computer card chassis.

Abstract: An EMI shield apparatus for connecting to a CRU frame, a memory unit emitting EMI through a periphery of the CRU frame, the EMI shield apparatus comprising a shield base, a plurality of sides bordering the shield base for blocking EMI emitted from a portion of the periphery of the CRU frame, and a plurality of tabs connected to at least one of the plurality of sides for blocking EMI emitted from the corners of the periphery of the CRU frame when the plurality of sides are in a compressed condition.

Abstract: A housing mechanism (100) includes a main body (60) and a shield/cap (70). The main body accommodates an inner interface and defines a port (63) therein. The port is configured for allowing an outer interface to be inserted into the main body and for thereby engaging the outer interface with the inner interface. The shield is located near the port and is selectably rotatably positionable between a first position, in which the shield covers the port, and a second position, in which the shield does not cover the port. The first position and the second position cooperate to form an angle therebetween.

Abstract: An electromagnetic-shielding device disposed in an electronic device prevents that an electric component in the electronic device is interfered by electromagnetic wave. The electromagnetic-shielding device has at least one positioning and leaning wall, which is mounted on a laminate member as a part of a housing of the electronic device or a central plate within the electronic device. By means of the positioning and leaning wall, an electromagnetic-shielding mask is conveniently mounted within the electronic device so as to cover the electronic component.

Abstract: A plasma display apparatus comprises a plasma display panel and a chassis disposed on a rear portion of the plasma display panel to support the plasma display panel. The chassis is formed of plastic, and thus the weight of the plasma display apparatus is reduced. A conductive grounding member is disposed between the chassis and the plasma display panel. The apparatus further comprises a circuit unit having a grounding portion electrically connected to the conductive grounding member. A thermal conductive sheet is disposed between the plasma display panel and the chassis.

Abstract: An electronic component module includes a module body including a substrate having components mounted thereon. A metal case is attached to the substrate to cover the components of the module body. The metal case includes a top-plate portion arranged substantially parallel to the main surface of the substrate and claw portions arranged at both edges thereof. The claw portions each include a claw body defined by a rectangular portion that is bent at an edge of the top-plate portion and extends in the direction of the substrate and a holding claw. In addition, contacting portions are bent at both ends of the rectangular portion to extend towards the inner portion of the main surface of the substrate. The contacting portions come into contact with the main surface of the substrate, and the holding claws are soldered to the side surfaces of the substrate.

Abstract: One embodiment of the present computer network device comprises a subassembly. The subassembly includes a support plate, a standoff extending from the support plate, a printed circuit board (PCB) secured to the standoff, an electromechanical connector secured to the PCB, an electromagnetic interference (EMI) cage secured to the PCB, and an EMI gasket engaging the EMI cage. The computer network device further comprises a guiding and retaining member that engages the support plate and assists in securing the subassembly within an enclosure. In a method of assembling the computer network device, the subassembly is first assembled before the subassembly is secured within an enclosure. Relative motion of the PCB and the standoffs is thus eliminated during the assembly process.

Abstract: A shielding enclosure (70) includes a cover (72) and a plurality of flanges (74) extending from the cover. At least one flange defines a fixing piece (76). The fixing piece has at least one retaining portion (764), and the retaining portion provides a space (78) allowing a tool is inserted in a generally perpendicular direction relative to the cover of the shielding enclosure.

Abstract: A highly reliable covered multilayer module includes a plurality of side electrodes extending in a lamination direction of ceramic layers are provided at least at one of side surfaces of a multilayer module body. At least one of inner conductor layers is exposed at the side surface provided with the side electrodes, in a region interposed between an adjacently arranged pair of the side electrodes. A claw portion of a metal case is soldered to the side electrodes and the inner conductor layer. The plurality of inner conductor layers may be exposed at the side surface of the multilayer module body in the region interposed between the adjacently arranged pair of side electrodes such that at least a part of the inner conductor layer is superposed on the other inner conductor layer when seen in the lamination direction of the ceramic layers.

Abstract: The present invention can facilitate the coupling between electrical components and a circuit board after the circuit board is inserted into a housing of an electronic device. An electrical component can be integrated with a flexible circuit of another electrical component. The flexible circuit can be electrically and mechanically coupled to the circuit board after the circuit board is inserted into the housing. Alternatively, electrical contacts can be disposed on a body of the electrical component and a complementary set of electrical contacts can be disposed on the circuit board. When the circuit board is disposed within a receptacle of the electrical component, the electrical contacts on the electrical component are coupled directly to the electrical contacts on the circuit board.

Abstract: A battery cover latching assembly (50) for a portable electronic device (100) includes a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (131), a latch (342), and a button (40). The locking portion is formed on the first cover. The latch is formed on the second cover, the latch is engageable with the locking portion so as to lock the first cover and second cover with each other. The button is configured so as to be retained by the housing, the button is operable to deform the latch so as to unlock the first cover and the second cover.

Abstract: A very light enclosure for electronic systems incorporates a rigid core enclosure structure formed with forward and rearward rigid, zig-zag configured, generally open mesh structure stabilization frames extending between oppositely disposed connection ends. The connection ends are rigidly attached to oppositely disposed sheet metal side assemblies to complete the core enclosure structure. The structure stabilization frames directly support card guides and power supply modules on oppositely disposed sides of a backplane tray.