The present disclosure is related to a power module includes a first printed circuit board (PCB), a second PCB, a magnetic component and a connecting component. A secondary side switch set and a winding are disposed on the first PCB, respectively. A primary side switch set is disposed on the second PCB adjacent to the first PCB. A magnetic component includes an upper magnetic cover disposed on the first side of the first PCB; a lower magnetic cover disposed between the first PCB and the second PCB; and a lateral column located between the two magnetic covers. The lateral column passes through the first PCB, and is fastened with the two magnetic covers. The magnetic component and the winding collaboratively form a transformer. The connecting component is disposed between the two PCBs to connect the corresponding potential points of the two PCBs.

An electronic product, including: a housing, where an air vent is disposed on the housing; a PCB board that is located inside the housing, where a positive electrode and a negative electrode of a power supply are disposed on the PCB board; a fan that is located between the PCB board and the housing; and a switch bar that is located between the fan and the housing and is connected to the housing in a sliding manner, where the switch bar has a first state and a second state, where the switch bar includes a conductive area, when the switch bar is set to the first state, the conductive area is electrically connected to the positive electrode and the negative electrode of the power supply on the PCB board, the fan starts to run.

An apparatus for toggling circuits includes a plurality of parallel channels each having a first end and a second end, a plurality of ports transverse to the plurality of parallel channels, wherein each port has a plurality of valves corresponding to the plurality of parallel channels, wherein each valve selectively opens and closes in response to an input and wherein opening a valve fills a portion of a port with a conducting fluid. The apparatus also includes a controller communicatively coupled to the input of each valve and configured to complete an electric circuit between the first end of the parallel channel and the port corresponding to the valve when the controller opens the valve. A method executed by a computer and a corresponding computer program product are also disclosed herein.

A power converter includes: a circuit board having an insulating substrate and a plurality of wirings in the insulating substrate; and first and second switching elements on a first surface of the circuit board that are connected in series. The first switching element has first and second electrodes. The second switching element has a third electrode and a fourth electrode. The circuit board has a first wiring connected to the first electrode, a second wiring connected to the second and third electrodes, a third wiring connected to the fourth electrode, a fourth wiring as an output wiring connected to the third electrode, and a fifth wiring connected to the third wiring. The first, second, third and fourth wirings are arranged in order on the first surface, and the fifth wiring on a second surface opposite to the first surface is opposed to the first, second, and third wirings.

A control board of a power conversion device, the control board includes a board main body, a plurality of drive circuits, a power source control circuit, an insulation region, a plurality of insulation transformers, and a connecting line that electrically connects the plurality of insulation transformers and the power source control circuit to each other, and at least a part of which extends in a region in inner layers of the board main body that overlaps the insulation region when viewed in a perpendicular direction with respect to the surface of the board main body.

Apparatus, comprising fabric (62) formed from fibers (74); and an electrical component (20) having first and second perpendicular fiber guiding structures, wherein a first of the fibers is soldered in the first fiber guiding structure and a second of the fibers is soldered in the second fiber guiding structure.

Configurable smart object systems with methods of making modules and contactors are provided. Example systems implement machine learning based on neural networks that draw low power for use in smart phones, watches, drones, automobiles, and medical devices. Example assemblies can be configured from pluggable, interchangeable modules that have compatible ports for interconnecting and integrating functionally dissimilar sensor systems. An example method includes mounting an element of a configurable machine learning assembly on a substrate, creating at least one fold in the substrate, folding the substrate at the fold into a housing of a module of the configurable machine learning assembly, and adding a molding material to the housing to at least partially fill the module of the configurable machine learning assembly. The example module construction may also form contactors on folded edges of the module for making physical and electrical contact with other modules of the smart object machine learning assembly.

Disclosed are various embodiments relating to an electronic device that includes a key An electronic device may include a housing having a through-hole formed therein. A key may be exposed through the through-hole and configured to be pressed. A key switch may be located on a rear surface of the key, wherein the key structure may be configured to enable the key to be pressed and to detect the press of the key. Moreover, a structure provided on a lower portion of the housing may be able to bear a pressure exerted by a user when pressing the key in a direction opposite the housing. Further, a dummy detachably provided between the housing and the structure, wherein the dummy, when being attached, may support the key and the key switch such that both are capable of being pressed in the through-hole toward the direction of the structure.

A filter circuit component includes desired frequency characteristics without being influenced by a parasitic inductance and a parasitic capacitance, and since the ground terminal of the filter circuit component connected to the mounting electrode of the high-frequency component is connected to the ground electrode of the high-frequency component through the via conductors of the high-frequency component at the shortest distance, the packing density of the filter circuit component is significantly increased and the occurrence of an unnecessary parasitic inductance and an unnecessary parasitic capacitance is prevented. The filter circuit component is mounted on the high-frequency component to obtain the desired frequency characteristics without the influence of a parasitic inductance and a parasitic capacitance. Since the component is located in a space surrounded by the inner peripheral surface of the supporting frame body, the packing density of components mounted on the high-frequency component is increased.

Provided is a driver board capable of miniaturizing itself while ensuring insulation voltage resistance performance. In the driver board: a transformer 114 is configured, so as to cross a first insulating region 120a, such that a primary side terminal 114a is connected to a primary side circuit 112a and a secondary side terminal 114b is connected to a secondary side circuit 113a; a power supply control IC 115 is configured, so as to cross a insulating region 120b, such that a primary side terminal 115a is connected to a primary side circuit 112b and a secondary side terminal 115b is connected to a secondary side circuit 113b; and the insulating region 120a and the insulating region 120b are formed so as to at least partially face each other via an insulating board 111 such that the primary side circuit 112a and the secondary side circuit 113b do not face each other via the insulating board and the primary side circuit 112b and the secondary side circuit 113a do not face each other via the insulating board.