Abstract: An antenna assembly including a ground plane and a radiator supported above the ground plane is disclosed. The radiator may include a slot to configure the radiator to be resonant in at least two frequency ranges and a grounding point coupled to the ground plane. The radiator may be a dual-band planar inverted F antenna (PIFA) having an upper surface opposite the ground plane. First and second antenna modules may be coupled to the upper surface of the PIFA. The first and second antenna modules may be patch antennas, such as stacked patch antennas.

Abstract: A mounting means (1) for RF connectors (6) to be connected to a substrate (20) comprises a base plate (2) having an upper surface (2a) and a lower surface (2b). The base plate exhibits electrically leading material at least on part of its surfaces. Ground pads (3) are provided on the upper surface (2a) of the base plate (2) and arranged for support and electrical contacting to the substrate. A plurality of through holes (4) for electrically isolated reception of inner conductors (5) of RF connectors. By means of this mounting means, quick, secure, and space-saving mounting of RF connectors is achieved.

Abstract: A shielding apparatus is disclosed suitable for use in providing electromagnetic interference shielding for an electrical component on a substrate. The shielding apparatus includes a frame that is at least partially drawn in construction and is configured for installation to the substrate. Side walls of the frame generally surround the electrical component, and a cover is attachable to the frame for substantially covering the electrical component. The cover includes an upper surface having an inverted embossment formed therein, and a cover member extending generally downwardly from the upper surface adjacent the inverted embossment. The inverted embossment and cover member define a guide for guiding and receiving at least part of the frame into the guide when the cover is attached to the frame. The guide is configured to help facilitate and generally hold the cover in electrical contact with the frame when the cover is attached to the frame.

Abstract: An antenna device for a portable radio communication device operable in at least a first and a second frequency band, includes first and second electrically conductive planar radiating elements. The first radiating element has a feeding portion connectable to a feed device of the portable radio communication device. The second radiating element includes a grounding portion connectable to ground. A controllable switch is arranged between the first and second radiating elements for selectively interconnecting and disconnecting the radiating elements. The state of the switch is controlled by means of a control voltage input. A first filter is arranged between the feeding portion and the control voltage input, to block radio frequency signals. By providing a high pass filter between the first and second radiating elements above a ground plane, quad-band operation is provided with high efficiency in a physically small antenna device.

Abstract: Disclosed herein is an apparatus for opening and closing a portable terminal. The apparatus includes a second cam, which has an upper rib to be latched with the upper portion of the housing and a lower rib to be latched with the bottom of the housing, thereby providing structural stability. In addition, frictional wear and noise can be suppressed while the second cam moves, thereby improving the service life and reliability of the device.

Abstract: In one exemplary embodiment, an electromagnetic interference (EMI) shielding apparatus generally includes a shield and a gasket. The gasket includes at least one tab formed monolithically with the gasket and attached to a support or portion of the gasket. The at least one tab is movable relative to the support from a first, pre-installed configuration in which the at least one tab is generally co-planar with the support to a second, installed configuration in which the at least one tab extends generally outwardly relative to the support. Movement of the at least one tab from the first configuration to the second configuration may position the at least one tab at least partially within the at least one opening of the shield. Frictional engagement of the at least one tab within the at least one opening may help retain the relative positioning of the gasket to the shield.

Abstract: An example thermoelectric module of the present disclosure generally includes a first laminate having a dielectric layer and an electrically conductive layer coupled to the dielectric layer, a second laminate having a dielectric layer and an electrically conductive layer coupled to the dielectric layer, and thermoelectric elements disposed generally between the first and second laminates. At least one of the dielectric layers is a polymeric dielectric layer. The electrically conductive layer of the first laminate is at least partially removed to form electrically conductive pads on the first laminate. The electrically conductive layer of the second laminate is at least partially removed to form electrically conductive pads on the second laminate. The thermoelectric elements are coupled to the electrically conductive pads of the first and second laminates for electrically coupling the thermoelectric elements together.

Abstract: According to various aspects, exemplary embodiments are provided of contacts that may be compatible with surface mount technology. The contacts may be surface mountable for establishing an electrical pathway (e.g., electrical grounding contact, etc.) from at least one electrically-conductive surface on the substrate to another electrically-conductive surface (e.g., EMI shield, battery contact, etc.). In one exemplary embodiment, a contact generally includes a resilient dielectric core member. At least one outer electrically-conductive layer is electrocoated onto the resilient dielectric core member. A solderable electrically-conductive base member may be coupled to the resilient core member and/or the outer electrically-conductive layer. The base member may be in electrical contact with the outer electrically-conductive layer.

Abstract: Disclosed is a sliding mechanism for opening and closing a cellular phone. The mechanism includes a main plate, a slider plate slidably connected to the main plate, a first block shaft-rotatably fixed to the main plate, one or more first rod member fixed to the first block, a first resilient member connected to the first block and generating expansion force, a second block shaft-rotatably fixed to the slider plate, one or more second rod member fixed to the second block, a second resilient member connected to the second rod member and generating expansion force, and a connection block placed in the central area of the first and second blocks and supporting the end portions of the first and second resilient members. The connection block slidably connects the first and second rod members with the first and second blocks in such a way that the end portion of the first rod member is directed towards the second block and the end portion of the second rod member is directed towards the first block.

Abstract: According to various aspects of the present disclosure, exemplary embodiments are disclosed of thermally-conductive interface assemblies suitable for use in dissipating heat from one or more components of a memory module. The thermally-conductive interface assembly may generally include a flexible heat-spreading material having first and second sides and one or more perforations extending through the flexible heat-spreading material from the first side to the second side. The flexible heat-spreading material may be sandwiched between first and second layers of soft thermal interface material. A portion of the soft thermal interface material may be disposed within the one or more perforations. The thermally-conductive interface assembly may be positioned relative to one or more components of a memory module to provide a thermally-conductive heat path from the one or more components to the first layer of soft thermal interface material.

Abstract: According to various aspects of the present disclosure, exemplary embodiments are disclosed of thermally-conductive interface assemblies. In exemplary embodiments, thermal interface material is disposed on or along one side of a flexible thermally-conductive sheet. In other embodiments, a flexible thermally-conductive sheet is bonded to, encapsulated within, or sandwiched between first and second layers of a thermal interface material. The flexible thermally-conductive sheet may be a flexible perforated graphite sheet. The thermal interface material may be thermally-conductive polymer. The perforations in the graphite sheet may enable a polymer-to-polymer bond to form that may help mechanically bond the first and second layers to the graphite sheet and/or may help provide heat conduction between the first and second layers.

Abstract: According to various aspects of the present disclosure, exemplary embodiments include assemblies and methods for dissipating heat from an electronic device by a thermally-conducting heat path to the external casing via one or more portions of an electromagnetic interference shield and/or thermal interface material disposed around the device's battery or other power source. In an exemplary embodiment, a shield (or portions thereof) may be disposed about or define a battery area such that heat may be transferred to the external casing by a thermally-conductive heat path generally around the battery area through or along the shield. In another exemplary embodiment, a thermal interface material (or portions thereof) may be disposed about or define a battery area such that heat may be transferred to the external casing by a thermally-conductive heat path generally around the battery area through or along the thermal interface material.

Abstract: Electromagnetic-energy absorbing materials are combined with thermally conductive materials, such as those used for thermal management in association with electronic equipment, thereby suppressing the transmission of electromagnetic interference (EMI) therethrough. Disclosed are materials and processes for combining EMI-absorbing materials with thermally conductive materials thereby improving EMI shielding effectiveness in an economically efficient manner. In one embodiment, a thermally conductive EMI absorber is prepared by combining an EMI-absorbing material (for example, ferrite particles) with a thermally conducting material (for example, ceramic particles), each suspended within an elastomeric matrix (for example, silicone). In application, a layer of thermally conductive EMI-absorbing material is applied between an electronic device or component, and a heat sink.

Abstract: The present invention relates to a step hinge for a portable communication terminal, and more particularly to a step hinge mounted to a portable communication terminal, which can rotate at various angles thereto. A step hinge for a portable communication terminal according to the present invention, comprises: a housing; a rotating member mounted in the housing; a friction member mounted in the housing and contacting the rotating member; a belleville spring disposed in the housing so as to press the friction member and the rotating member for a tight contact therebetween.

Abstract: The present invention is directed to an automatic hinge module for a cellular phone, which is capable of automatically opening the cellular phone in a one-touch manner. The automatic hinge module of the present invention automatically opens a cellular phone by simply pressing a button. When the button is pressed, a housing coupled to a folder portion of the cellular phone is rotated by an elastic restoring force of a compressed torsion spring, thereby opening the cellular phone.

Abstract: An antenna assembly for installation to a mobile platform generally includes a base portion and an antenna module removably coupled to the base portion. The base portion generally includes a longitudinal axis and defines a channel extending generally along at least part of the longitudinal axis. The antenna module generally includes a mount and an antenna element coupled to the mount. The mount and antenna element can be removably received, for example, slid, into the channel of the base portion, in electrical contact therewith. The antenna module may also include a cover providing the antenna assembly with a generally fin-shaped structure. And, any one of multiple different antenna modules each having, for example, different antenna elements therein may be releasably coupled to the mount as desired.

Abstract: The present invention provides a stand hinge for an electronic device, which is capable of standing an electronic device at different angles and positions. The present invention further provides an electronic device equipped with the same. The stand hinge of the present invention includes: a connecting member hinge-jointed to an electronic device to rotate in a first direction; and a supporting member for supporting the electronic device against a surface, the supporting member being hinge-jointed to the connecting member to rotate in a second direction different from the first direction.

Abstract: A method of forming a resin and filler composite system generally includes softening a polymer formed by a moisture sensitive chemical reaction of one or more monomers, and adding at least one or more fillers to the softened polymer to form a resin and filler composite system. Formation of foam is substantially inhibited when adding at least one or more fillers to the softened polymer.

Abstract: A mounting means (1) for RF connectors (6) to be connected to a substrate (20) comprises a base plate (2) having an upper surface (2a) and a lower surface (2b). The base plate exhibits electrically leading material at least on part of its surfaces. Ground pads (3) are provided on the upper surface (2a) of the base plate (2) and arranged for support and electrical contacting to the substrate. A plurality of through holes (4) for electrically isolated reception of inner conductors (5) of RF connectors. By means of this mounting means, quick, secure, and space-saving mounting of RF connectors is achieved.

Abstract: The present invention relates to a portable radio communication device operable in at least a first and a second frequency band, the antenna device comprises a first electrically conductive radiating element comprises a first feeding portion connectable to a feed device (RF) of the radio communication device for feeding and receiving radio frequency signals, a ground plane provided at a distance from the first radiating element, a DC-blocking device connecting the first electrically conductive radiating element and the ground plane at a first position, and a controllable switch connecting the first electrically conductive radiating element and the ground plane at a second position.