H05K9/006

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.

HIGH PERFORMANCE MODULAR DIE-CAST ENCLOSURE SYSTEM

A modular die cast enclosure comprising a top section with a top mid-plane and a bottom section with a bottom mid-plane and an internal bottom cover. The bottom section having one or more of a first type of connectors. The top section having one or more of a second type of connectors on. The internal bottom cover having one or more of a third type of connectors. Wherein said first type of connectors couple with said second type of connectors when the top section is placed on the bottom section and allow to electrically connect said top and bottom sections via said third type of connectors.

Apparatus and methods for mitigating electromagnetic interference in an electronic controller

An interface for mitigating electromagnetic interference (EMI) on a printed circuit board (PCB) is disclosed. The PCB can contain circuit components and includes one or more signal planes sandwiched between corresponding ground planes. The PCB has a first and second side and an interface region separating the first and second sides that includes a partition wall projecting outward from the interface region, configured for EMI shielding between the first side and second sides, one or more pairs of input and output pads straddling the interface region on respective first and second sides and configured to accommodate an EMI line filter, and a ground barrier within the printed circuit board under the interface region. A method of mitigating EMI using the interface is also disclosed.

TAG BASED TRACKING WITH FARADAY CAGE HOPPER
20230064946 · 2023-03-02 ·

A system includes a hopper that is a faraday cage configured to receive multiple bins capable of holding one or more parts, each bin having a wirelessly readable identifier tag with a unique digital ID. An antenna is positioned within the hopper to receive wireless signals representative of the unique digital ID of each bin placed within the hopper.

EMP-RESISTANT TELECOMMUNICATIONS SYSTEM AND METHOD WITH SIGNAL REGENERATING SUBSYSTEM
20230116217 · 2023-04-13 ·

An electromagnetic pulse (EMP) resistant telecommunications (telecom) system includes core components mounted within and shielded by a Faraday cage. The components include a data source or storage device. An ethernet switch selectively connects the data source or storage device to a primary satellite router and a post-EMP satellite router. Telecom signals are output from and input to the core components via low noise blocks (LNBs) and block upconverters (BUCs). A method of resisting EMP interference for a telecommunications system includes the steps of enclosing and shielding core components in a Faraday cage and providing output via LNBs and BUCs to an antenna subsystem. The antenna subsystem can include one or more antenna elements with configurations chosen from the group comprising: parabolic dish; array; unidirectional; and omnidirectional. The EMP-resistant telecom can optionally be combined with a signal regenerating subsystem and used with a signal regenerating method.

SMALL CELL ACCESS NODE WITH WATER INTRUSION MITIGATION

A small cell access node includes a housing, a radio module, a power supply module, and one or more antennas coupled to the radio module. The housing includes a floor and at least one sidewall extending around a perimeter of the floor. An air intake section of the sidewall is located at a first lengthwise end of the floor and defines an air intake port. An air exhaust section of the sidewall is located at a second lengthwise end of the floor and defines an air exhaust port. The floor includes a two floor portions residing primarily in different planes and an angled transition portion interconnecting the two floor portions. The transition portion defines an air and water exhaust port to allow water that enters the housing through the air intake and air exhaust ports, such as from wind-driven rain, to drain out of the housing.

MULTI-CHAMBERED SHIELD ENCLOSURE FOR VERTICALLY STACKED MODULE ARRANGEMENT AND ELECTRONIC APPARATUS INCORPORATING SAME

A vertically oriented, electrically conductive enclosure includes at least three shield members. A first member has a first floor and a first sidewall that extends away from the first floor around a periphery of the first shield floor. A second member is electrically coupled to the first member and has a second floor and a second sidewall. A first portion of the second sidewall extends away from the second floor in a first direction. A second portion of the second sidewall extends away from the second floor in a second direction opposite to the first direction and engages the first sidewall. A third member is electrically coupled to the second member and has a shield cover and a third sidewall. The third sidewall extends away from the shield cover about a periphery of the shield cover and engages the first portion of the second sidewall.

ELECTRONIC APPARATUS
20230189489 · 2023-06-15 ·

An electronic apparatus comprising an electronic board on which are placed an electronic subassembly and a filtering unit, the analog subassembly comprising one or more radiofrequency analog components for receiving radiofrequency components is proposed. The analog subassembly is protected by shielding placed on one side of the electronic board, the filtering unit is placed on the side of the electronic board on a signal path electrically connected to the analog subassembly, the filtering unit comprises a capacitive component placed under the shielding and connected to an analog ground, and the filtering unit further comprises a filtering component placed on the input to the filtering unit in series with the signal path on passing through the shielding or in the immediate vicinity of the shielding.

POWERTRAIN SYSTEM WITH WIRELESS COMMUNICATION NODES AND INTEGRATED RF SHIELD GUIDE LAYER

An enclosed electrical device such as a battery pack for an electric powertrain system includes an enclosure having a tray and cover. The tray and cover together define an enclosure cavity. A radio frequency (RF) receiving node is located within the cavity. Printed circuit board assemblies (PCBAs) include an RF transmitting node. The PCBAs(s) are spaced apart from one another within the cavity. An RF shield guide layer is positioned between the PCBAs and the cover, such that the RF shield guide layer covers the PCBAs without covering the RF transmitting node. A battery pack and an electric powertrain system include the RF shield guide layer.

ISOLATOR AND ITS ELECTRONIC SUBASSEMBLY
20230187800 · 2023-06-15 · ·

Some embodiments of the disclosure provide an isolator which includes a body, a first circuit module, and a second circuit module. In some examples, the first circuit module is arranged at a first connecting port of the body and includes a first integrated circuit board, a first shell surrounding the first integrated circuit board, a first signal processing circuit penetrating through the first integrated circuit board, and a joint sleeved on an insulating bushing. The joint partially surrounds the first signal processing circuit. A first end portion of the first signal processing circuit is electrically connected to a first contact element. The second circuit module is arranged at a second connecting port of the body and includes a second integrated circuit board, a second shell surrounding the second integrated circuit board, and a second signal processing circuit extending along a length direction of the second integrated circuit board.