H05K9/0022

INVERTER DEVICE, DRIVE DEVICE FOR AN ELECTRICALLY DRIVABLE VEHICLE, AND VEHICLE

An inverter device (1), comprising a first printed circuit board (2) on which a transformer (3) is arranged; a second printed circuit board (4) which is arranged parallel to the first printed circuit board (2) at a distance from the sides of the transformer (3); and a cover element (5) which is arranged between the printed circuit boards (2, 4) for the purpose of electromagnetic shielding and has a through opening (6) through which the transformer (3) passes;
wherein the cover element (5) comprises a shielding unit (7) which surrounds the through opening (6) peripherally at least in some places and extends in the direction of the second printed circuit board (4).

ELECTRONIC DEVICE INCLUDING SHIELD MEMBER FOR SHIELDING AT LEAST PART OF MAGNETIC FORCE GENERATED BY MAGNETIC SUBSTANCE AND CONNECTION PORTION INCLUDING PROPERTY OF NONMAGNETIC SUBSTANCE CONNECTED TO SHIELD MEMBER

An electronic device including a shield structure is provided. The electronic device includes a first device including a first magnetic substance, a second device including a second magnetic substance, and a shield structure configured to shield at least part of a magnetic force generated between the first magnetic substance and the second magnetic substance, wherein the shield structure includes a shield member disposed between the first device and the second device and including a property of a magnetic substance, and a connecting member physically connected to at least part of the shield member and including a property of a nonmagnetic substance, wherein at least part of the connecting member is physically connected to a circuit board.

Electromagnetic wave shielding sheet and printed wiring board

An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.

Flexible electromagnetic wave shielding material, electromagnetic wave shielding-type circuit module comprising same and electronic device furnished with same

Electromagnetic wave shielding material including a conductive fiber web with multiple pores and a heat dissipation unit provided in at least some pores that is so excellent in flexibility, elasticity, and creasing/recovery that it can be changed in shape freely and brought in complete contact with a surface where the material is to be disposed even if the surface has a curved shape, uneven portions, or stepped portions, thus exhibiting excellent electromagnetic wave shielding performance and prevent deterioration thereof despite various shape changes. Since heat dissipation performance is excellent, heat generated in an electromagnetic wave source can be rapidly conducted and released. Even if parts are provided in a narrow area at high density, the material can be brought in close contact with mounted parts by overcoming a tight space between the parts and a stepped portion. The invention is employed for light, thin, short, and small or flexible devices.

Electronic device including an antenna

An embodiment electronic device includes a ground plane; and an antenna. The antenna includes a first trace having a first end and a second end, the second end of the first trace being electrically coupled to the ground plane. The antenna also includes a second trace distinct and physically separated from the first trace, the second trace having a first end and a second end, the second end of the second trace being electrically coupled to the ground plane, the first trace and the second trace forming discontinuous portions of the antenna.

Display including shielding member arranged to cover at least part of display driving circuit, and electronic device including same

According to various embodiments, an electronic device may include a housing, and a display disposed to at least part of the housing. The display may include a display panel including at least one pixel, and a substrate layer disposed below the display panel. The substrate layer may include a bendable connecting area extending to the outside of the display panel. The display may further include a display driving circuit disposed to one face of the connecting area, a Flexible Printed Circuit Board (FPCB) electrically coupled with at least part of the connecting area and including a contact area to which a conductor electrically coupled with a ground portion of the electronic device is exposed, and a shielding member electrically coupled with the contact area. The shielding member may be disposed on the FPCB and one face of the connecting area to cover at least part of the display driving circuit. Various other embodiments may also be possible.

EXTENDED THERMAL BATTERY FOR COOLING PORTABLE DEVICES
20230035904 · 2023-02-02 ·

A cooling system for cooling components in an information handling system contained in a portable chassis comprises a die plate for receiving heat from a component, a heat pipe for transferring heat from the die plate to a single heat exchanger, a fan for generating an airflow across the heat exchanger and a thermal battery. The heat pipe comprises at least one curvature and the thermal battery is coupled to the die plate and has a length and a width such that the thermal battery is in contact with the heat pipe from the die plate to a point past the at least one curvature. The thermal battery may be formed from a thermally conductive material, be a vapor chamber or otherwise facilitate heat transfer to a heat pipe from the die plate to a point past the curvature for improved cooling.

Self-contained electromagnetic tracking unit

An electromagnetic tracking system includes a magnetic transmitter configured to output magnetic fields, a receiver responsive to the magnetic fields, an electronics assembly having conductive elements that cause distortion to the magnetic fields, and an output mechanism configured to output a position of the receiver relative to the magnetic transmitter, wherein the magnetic transmitter has at least one winding disposed around a hollow ferromagnetic core comprised of conductive material through which current is made to flow by the electronics, wherein the electronics assembly is at least partially contained within the hollow portion of the hollow ferromagnetic core. Methods of manufacturing include shaping walls into a hollow shell to surround an electronics assembly, covering the hollow shell with ferromagnetic material, inserting the wrapped hollow shell into a plastic bobbin, and winding the plastic bobbin with coil wire to produce three orthogonal windings.

Component package and printed circuit board for the same

A component package includes a printed circuit board; a first electronic component disposed in a first region on the printed circuit board; a second electronic component disposed in a second region on the printed circuit board; and a metal wall disposed on the printed circuit board and spatially partitioning the first region and the second region on a plane. The metal wall is directly connected to the printed circuit board.

Extended thermal battery for cooling portable devices

A cooling system for cooling components in an information handling system contained in a portable chassis comprises a die plate for receiving heat from a component, a heat pipe for transferring heat from the die plate to a single heat exchanger, a fan for generating an airflow across the heat exchanger and a thermal battery. The heat pipe comprises at least one curvature and the thermal battery is coupled to the die plate and has a length and a width such that the thermal battery is in contact with the heat pipe from the die plate to a point past the at least one curvature. The thermal battery may be formed from a thermally conductive material, be a vapor chamber or otherwise facilitate heat transfer to a heat pipe from the die plate to a point past the curvature for improved cooling.