A circuit board includes a support member having a first major surface and a second major surface opposite the first major surface, and an elastic interconnect substrate having a first surface and a second surface opposite the first surface, at least part of the second surface being fixed to the first major surface and the second major surface of the support member, wherein the first surface of the interconnect substrate includes a circuit region where an electronic component is mounted and at least one electrode region where at least one external electrode is arranged, wherein the circuit region is disposed indirectly on the first major surface of the support member, and wherein the interconnect substrate is bent around the support member, and at least part of the electrode region is disposed indirectly on the second major surface of the support member.

An optical module includes a circuit board having a through hole for the lead terminal, a signal wiring connected to the lead terminal, a ground layer providing a reference potential, an opening through which the ground layer is exposed, and a bonding material connecting the ground layer to the metallic base. The lead terminal extends in a first direction, and the circuit board and the signal wiring extend in a second direction. When the circuit board is viewed from the first direction, the opening overlaps with the signal wiring, or when the opening does not overlap with the signal wiring, a first distance between the signal wiring and a closest point of the opening to the signal wiring is smaller than a second distance between the closest point and an edge of the circuit board.

Current measurement devices for printed circuit board mounting are disclosed herein. The current measurement devices include a hollow and flexible core to improve response to a primary signal and decrease weight. The current measurement device includes a housing with guides to maintain alignment of the core. An electromagnetic shield may be placed between the circumference of the core and the housing. The housing may include apertures to facilitate washing. The current measurement device may include a primary conductor external to the housing.

A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.

A display device with self-luminous display elements, which are arranged in a panel. The panel is provided, on its rear side opposite the light-emitting surface used for display, with a heat distribution element, on the side of which facing away from the rear side at least one temperature sensor is arranged. The heat distribution element has at least one opening, behind which a light sensor is arranged, wherein the light sensor and the temperature sensor are arranged on a common carrier.

A torque-angle sensor includes a torque sensing unit, an angle sensing unit, and a PCB. The torque sensing unit includes a signal input rotor and a signal output rotor. The angle sensing unit includes a driving gear and a driven gear that is fitted round and fixed to one of the signal rotors. The PCB has a torque magnetic field generating unit, an input shaft signal collecting unit, and an output shaft signal collecting unit that sense a rotation angle and torque of the signal rotors. The PCB has an angle magnetic field generating unit and an angle collecting unit that sense a rotation angle of the driving gear and the driven gear. The torque magnetic field generating unit, the input shaft signal collecting unit, the output shaft signal collecting unit, the angle magnetic field generating unit, and the angle collecting unit are configured as coils formed by printed circuits.

A display apparatus includes a display panel having an image acquisition region within a display area. The display panel includes a substrate and a plurality of light-emitting elements over the substrate. The plurality of light-emitting elements include one or more first light-emitting elements positionally within the image acquisition region. At least one first light-emitting element includes a non-transparent electrode provided with at least one through-hole configured to allow the lights from the outside pattern to pass through the display panel.

Devices, systems, and methods for providing point heat detectors based on surface mounted thermistors are described herein. One circuit board for a point heat detector of a fire sensing system includes a circuit board body having number of corners, at least one hole provided in the circuit board body proximate to one of the corners, and a surface mounted thermistor mounted on at least one corner.

A circuit board according to an embodiment includes an insulating portion; and a pattern portion disposed on the insulating portion, wherein the insulating portion includes: a first insulating region, and a second insulating region disposed outside the first insulating region and spaced apart from the first insulating region with a separation region therebetween; wherein the pattern portion includes: a first pattern portion for signal transmission; and a second pattern portion including a dummy pattern separated from the first pattern portion, wherein the first pattern portion includes: a first terminal portion disposed on the first insulating region; a second terminal portion disposed on the second insulating region; and a connection portion disposed on the separation region and connecting between the first terminal portion and the second terminal portion, wherein the second pattern portion includes: a second-first pattern portion disposed on the first insulating region; and a second-second pattern portion disposed on the second insulating region and separated from the second-first pattern portion.

Inspection robots and methods for inspection of curved surfaces with sensors at selected horizontal distances are described. An example of such an inspection robot includes a housing; a drive module with a wheel and a motor operatively linked to the housing, a plurality of sensor sleds, and a payload. The payload, which is coupled to the housing, may include a first and a second rail component, each with at least one connector, where the rail components are connectable at a first selected position of a plurality of discrete engagement positions. Each of the rail components may be structured to support at least one of the plurality of sleds where each of the plurality of sleds is coupled to the payload at a respective selected horizontal position such that the plurality of sleds are at selected horizontal distances from each other.