A system is described for providing an electrical ground connection for a circuit assembly. The system may include a housing for the circuit assembly, the housing having an electrically conductive fixation member configured for attachment to an electrically conductive element outside the housing. The system may also include an electrically conductive feature having a first end and a second end, the first end configured to cooperate with the electrically conductive fixation member inside the housing and the second end configured for attachment to the circuit assembly. Attachment of the electrically conductive fixation member to the electrically conductive element outside the housing enables an electrical ground connection for the circuit assembly via the electrically conductive feature.

Leakage of radio-frequency radiation noise radiated from a noise source to the outside is suppressed. An electronic control device 1 includes a printed board 101 having signal grounds 104a, 104b, and 104c, and a frame ground 103a, a housing 100 accommodating the printed board 101, and a connector 105 mounted on the printed board 101. The electronic control device 1 includes a first coupling portion 301 that AC-couples the signal ground 104a with the frame ground 103a and a second coupling portion 301 that electrically couples the frame ground 103a with the housing 100, and the first coupling portion 301 and the second coupling portion 301 are provided between the connector 105 and an electronic circuit 110 on the printed board 101.

A display apparatus includes a display, a cover coupled to the display and providing therein a space for accommodating parts, a plurality of printed circuit boards accommodated in the cover, and a mounting portion coupled to the display, accommodated in the cover, and having a first mounting protrusion formed thereon, wherein the printed circuit boards are mounted on the first mounting protrusion, wherein the first mounting protrusion includes a plurality of mounting grooves, wherein the printed circuit boards are mounted in the plurality of mounting grooves, wherein the plurality of mounting grooves are defined at positions spaced apart from each other in a length direction of the first mounting protrusion such that the plurality of the printed circuit boards are disposed to be spaced apart from each other.

A thermally isolating mounting boss for mechanically and electrically coupling a PCB to a chassis while thermally isolating the PCB from the chassis comprises a base section with a base surface coupled to the chassis and an isolation section comprising a plurality of pillars for thermally isolating the PCB from the chassis. A connector maintains the PCB in contact with the plurality of pillars, wherein the connector and the plurality of pillars form grounding circuits. The small cross-section area of each pillar and the cross-section area of the connector have increased thermal resistance to thermally isolate the PCB from the chassis. The pillars may extend from the base section or may be arranged radially outward of the base section.

A surgical instrument connectable to a surgical energy module that is configured to provide a first drive signal at a first frequency range for driving a first energy modality and a second drive signal at a second frequency range for driving a second energy modality is provided. The surgical instrument can comprise a surgical instrument component configured to receive power from a direct current (DC) power source, an end effector, and a circuit. The circuit can be configured to convert the first electrical signal to a DC voltage, apply the DC voltage to the surgical instrument component, and deliver the second energy modality to the end effector according to the second drive signal. Alternatively, the circuit can be disposed within a cable assembly configured to connect the surgical instrument to the surgical energy module.

An electrical circuit board on which an electronic component forming an electronic control unit disposed between an upstream power supply and a downstream power supply trunk line is mounted. The electrical circuit board includes a first circuit pattern that forms an electrical circuit corresponding to a single power supply voltage of the upstream power supply, a second circuit pattern that forms an electrical circuit corresponding to a plurality of power supply voltages of the upstream power supply, a single power supply connection portion corresponding to connection with an external circuit that supplies the upstream power supply, and an inter-board connection portion corresponding to inter-board connection with another circuit board that supplies the upstream power supply.

An electrical connection box capable of suppressing ingression of liquid is provided. The electrical connection box is configured to house an electrical device, to interconnect a plurality of in-vehicle device via the housed electrical device, and to be provided in a vehicle, and includes an insertion port that passes through a side wall and into which an electric wire to be connected to the electrical device is inserted, and an eave portion that is provided along an upper edge portion of the insertion port and protrudes outwardly by a predetermined length.

A smart nose box is provided that includes both a housing portion and a lid portion. The housing portion includes monitoring circuits for monitoring the health of lamps in a towable asset. The lid portion includes a battery, a GPS receiver, and a telematics transceiver.

A semiconductor storage device according to an embodiment includes a housing and a board, a controller, and a semiconductor memory component. The housing includes a first wall portion, a second wall portion, a third wall portion, and a fourth wall portion. The first wall portion and the second wall portion are separatable from each other. The third wall portion and the fourth wall portion are separatable from each other.

A wiring assembly includes a circuit board including a flat portion, at least one connection portion connected to the flat portion, a first wiring portion extending from an end portion on a first side of the at least one connection portion, a second wiring portion extending from an end portion on a second side of the at least one connection portion, and an external terminal connector electrically connected to the flat portion. The external terminal connector is electrically connected to the first wiring portion and the second wiring portion, and the first wiring portion, the second wiring portion, the external terminal connector, the at least one connection portion, and a portion between an end portion on the first side of the at least one connection portion and an end portion on the second side of the at least one connection portion in the flat portion are annular.