H05K9/0009

EMC HOUSING
20230101552 · 2023-03-30 ·

An electromagnetic compatibility (EMC) housing having a first part (2) and a second part (3) for forming an enclosure when fitted together. The first and second parts (2, 3) include first and second interface surfaces (4, 5), respectively, for compressing a gasket (9) interposed between the interface surfaces (4, 5) when the first and second parts are fitted together. At least one of the first and second interface surfaces (4, 5) includes a plurality of undercut regions (7) for reducing compression of the gasket (9) in the region when the first and second parts (2, 3) are fitted together.

GROUNDING ELASTIC CONTACT AND ELECTRONIC DEVICE
20230093996 · 2023-03-30 ·

A grounding elastic contact and an electronic device including the same. The grounding elastic contact includes an elastic core, and a double-sided polyethylene terephthalate (PET) tape, a polyimide (PI) film, and a conductive layer, where the PI film is laminated and bonded on an outer side of the double-sided PET tape; a middle region of the double-sided PET tape is attached to an upper surface of the elastic core; after passing through left and right sides of the elastic core respectively, two ends of the double-sided PET tape are laminated on a lower surface of the elastic core; the conductive layer includes one end bonded on the upper surface of the elastic core, and the other end passing through the left side of the elastic core; the double-sided PET tape includes a PET backing and an adhesive coated on two sides of the PET backing.

System and method for electromagnetic interference mitigation for an antenna element and speaker co-located within a cavity formed behind a speaker grill

An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and metal D-cover to house a processor, a memory, and a wireless adapter, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF) including a slot formed around a portion of the speaker grill forming a peninsula on the speaker grill that is physically separated from the C-cover; an antenna element placed behind the speaker grill and operatively coupled to the wireless adapter; an electromagnetic interference (EMI) shield forming a cavity enclosing the speaker and the antenna element, including a plurality of metallic shielding walls extending from the C-cover to a D-cover of the information handling system; and a conductive rubber gasket placed between the plurality of conductive walls and the D-cover to shield the cavity from EMI sources.

HOUSING WITH A HOUSING PART COMPRISING AN INTEGRATED PROTECTIVE SECTION

In order to improve a housing, in particular for an electrotechnical apparatus, comprising at least two housing parts which each have a connecting face, said connecting faces, in a closed state of the housing, facing one another along a connecting section, it is proposed that at least one of the at least two housing parts, along the connecting section, has at least one integrated protective section, in particular for EMC shielding and/or for mechanical protection.

ELECTRONIC CONTROL DEVICE

An electronic control device including a circuit substrate having a signal wiring and a ground wiring; at least one connector having a signal conductor and a ground conductor respectively connected to the signal wiring and the ground wiring of the circuit substrate on one end side and extending on the other end side; a housing including an accommodating portion that accommodates the circuit substrate and the at least one connector, in which a radio wave path through which a leakage electromagnetic wave propagates from one end on the circuit substrate side toward the other end on the side opposite to the circuit substrate side of the at least one connector is formed in an internal space at the periphery of the at least one connector; and a leakage electromagnetic wave attenuating structure provided between the housing and the at least one connector; where the leakage electromagnetic wave attenuating structure includes a plurality of conductors that are arrayed along a direction in which the leakage electromagnetic wave propagates from the one end of the at least one connector, and attenuate the leakage electromagnetic wave propagating through the radio wave path.

THERMALLY ACTIVATED RETRACTABLE EMC PROTECTION
20230129547 · 2023-04-27 ·

A system and a method of providing electromagnetic compatibility (EMC) protection. A removable component is inserted into an end product. The removable component includes a retractable EMC protection apparatus. In response to the insertion of the removable component a shape memory alloy on the EMC protection apparatus is heated to a temperature above the activation temperature of the shape memory alloy. The shape memory alloy then changes from a first shape to a second shape in response to the heating. In response to the change in the shape of the shape memory alloy an EMC protection component of the EMC protection apparatus is inserted into an enclosure opening of the removable component.

Supply station with door shield

A shield assembly includes a closing structure configured to be disposed over an opening of an enclosure. The closing structure includes an inner surface configured to face an inside of the enclosure when the closing structure is closed and a finger bracket structure mounted on the inner surface, the finger bracket structure having a bracket and one or more finger gaskets coupled to the bracket. An electromagnetic interference (EMI) shielded gasket disposed along a portion of the opening of the enclosure shields an edge of the opening of the enclosure or a radio frequency (RF) fence bracket coupled to a frame disposed around the opening of the enclosure creates a narrow path between the frame and the closing structure, the narrow path attenuating RF signals passing through the narrow path and shielding an edge of the opening of the enclosure.

Power converter, arrangement comprising an electric machine and a power converter, and vehicle

A power converter, includes a housing and a busbar arrangement, which is arranged inside the housing, wherein the power converter is designed to guide an alternating current along the busbar arrangement, the power converter also includes at least one planar flux-conducting element made of a magnetically highly permeable material, which is arranged between a wall of the housing and the busbar arrangement.

POWER CONVERSION DEVICE AND MOTOR
20230061556 · 2023-03-02 ·

Provided is a power conversion device capable of reducing an influence of an electromagnetic wave on a circuit board. A power conversion device 1 includes a circuit board 2, a power conversion module 3 disposed to face the circuit board 2, a bus bar 4 connected to the power conversion module 3, and a shielding portion 5 that shields an electromagnetic wave. The bus bar 4 extends from one side S1 to an opposite side S2 of the circuit board 2 along a thickness direction Dt of the circuit board 2 through a side edge 21 of the circuit board 2. The shielding portion 5 is disposed between the bus bar 4 and the side edge 21 of the circuit board 2, extends from the one side S1 to the opposite side S2 of the circuit board 2 along the thickness direction Dt of the circuit board 2, and extends to both sides of the bus bar 4 along the side edge 21 of the circuit board 2.

Electromagnetic pulse resistant device casing

An EMP-resistant (electromagnetic pulse-resistant) case for portable electronic devices is provided. The case includes a conductive external housing configured to enclose the electronic device. The housing includes a lower housing having a continuous connection surface. The housing also includes an upper housing having a continuous connection surface. The lower and upper housing are configured to releasably engage at the continuous connection surface. The housing includes a conductive gasket positioned at the continuous connection surface between the upper and lower housing. The case also includes a first insulative layer at least partially covering the inside surface of the upper and lower housing.