Abstract:
A vehicle includes a power electronics unit for converting energy between a DC circuit and a polyphase machine, wherein the power electronics unit has a power module, a driver board, and a control board. The power electronics unit has two DC current rails, wherein the DC circuit can be connected to the same, and the power electronics unit has phase current rails, wherein the polyphase machine can be connected to the same. The number of the phase current rails corresponds to the number of the phases of the polyphase machine. The arrangement of the power module, the driver board, and the control board corresponds to a stacked or sandwiched construction, the phase current rails are electrically connected to the power module, and the control board has a passage for each of the phase current rails, wherein one phase current rail is fed through each passage.
Abstract:
A light emitting diode module includes a metal substrate, a main circuit, an adapter circuit board, an adapter circuit and a plurality of light emitting diodes, and the main circuit is installed on the metal substrate and includes a plurality of first power points, an adapter circuit installed on the adapter circuit board and including a plurality of second power points, each being electrically coupled to each corresponding first power point, and the light emitting diode is installed on a surface of the metal substrate and electrically coupled to the main circuit. A light emitting diode lamp includes a reflection cover, a light emitting diode module and a plurality of power lines.
Abstract:
The invention relates to a printed circuit board arrangement, more particularly a multilayer printed circuit board. The printed circuit board arrangement comprises at least two printed circuit boards which are arranged parallel to one another and connected to one another. According to the invention, in the case of the printed circuit board arrangement of the type mentioned initially, at least one surface region of one printed circuit board is connected to another printed circuit board of the printed circuit board arrangement by means of an element embodied in an elastic and/or damping fashion in such a way that an oscillatory system, more particularly a spring-mass system, an oscillatory bending strip or a flexurally oscillatory board is formed by means of the surface region of the printed circuit board and the element.
Abstract:
A circuit board assembly includes a flexible circuit board, a conductive adhesive, and a number of reinforcing plates. The flexible circuit board includes a first surface and a second surface. A number of board pads are mounted on the first surface. The conductive adhesive is coated on the first surface and entirely covers all of the board pads.The reinforcing plates are positioned on the second surface. Each of the reinforcing plates spatially corresponds to a respective one of the board pads. The reinforcing plates provide both physical grounding and stiffening of the circuit board assembly.
Abstract:
A multilayer ceramic capacitor includes flat-shaped inner electrodes that are laminated. An interposer includes an insulating substrate that is larger than contours of the multilayer ceramic capacitor. A first mounting electrode that mounts the multilayer ceramic capacitor is located on a first principal surface of the insulating substrate, and a first external connection electrode for connection to an external circuit board located on a second principal surface. The multilayer ceramic capacitor is mounted onto the interposer in such a way that the principal surfaces of the inner electrodes are parallel or substantially parallel to the principal surface of the interposer, that is, the first and second principal surfaces of the insulating substrate.
Abstract:
A printed circuit board includes a motherboard and a daughterboard. The motherboard includes at least one first signal pad. The daughterboard includes at least one second signal pad electronically connected to the at least one first signal pad for electronically connecting the daughterboard to the motherboard.
Abstract:
The present invention provides the mechanical positioning of electronic circuits, mounted on rigid printed circuit boards or flexible circuits, creating a protected region within a Safe Equipment, so that an action to attempt to invade or violate this area of the equipment will trigger an alarm that triggers the blocking of the equipment use, instantly erasing the safety keys of the safe equipment; to avoid this possibility, the invention provides a region completely surrounded by protection circuits and sensors surrounding the sensitive part of the device with alarm devices.
Abstract:
A light emitting diode module includes a metal substrate, a main circuit, an adapter circuit board, an adapter circuit and a plurality of light emitting diodes, and the main circuit is installed on the metal substrate and includes a plurality of first power points, an adapter circuit installed on the adapter circuit board and including a plurality of second power points, each being electrically coupled to each corresponding first power point, and the light emitting diode is installed on a surface of the metal substrate and electrically coupled to the main circuit. A light emitting diode lamp includes a reflection cover, a light emitting diode module and a plurality of power lines.
Abstract:
Provided is printed circuit board for minimizing dielectric losses experienced by a low-current portion of an electric circuit. The printed circuit board includes a first substrate supporting an electrically-conductive material patterned to form a conductive pathway between electric circuit components, and a surface-mount guard pad provided on a substantially-planar exposed surface of the first substrate and covering at least an area of the exposed surface including a footprint of the low-current portion on the first substrate. A second substrate is also provided with one or more electrically conductive pads that are surface mounted to the guard pad to couple the second substrate to the guard pad. The second substrate also supports a signal trace included in the low-current region for conducting a low-current signal.
Abstract:
In some embodiments, an interconnectable circuit board may include one or more of the following features: (a) a first electrically conductive pad located on a top of the circuit board, (b) a plated through hole on the conductive pad which passes through the circuit board, (c) a second electrically conductive pad coupled to the plated through hole; the second conductive pad capable of being electrically connected to a third electrically conductive pad attached to a top of a second interconnectable circuit board, (d) cut marks indicating safe locations for separating the circuit board, and (e) a second cut mark adjacent to the first cut mark where the area between the first and second cut mark can be utilized to make a safe cut through the circuit board.