A relay arrangement includes at least two series-connected relays, which are mechanically and electrically connected to a main printed circuit board via first terminals and second terminals, and at least one flat conductor for conducting current between the at least two series connected relays. The flat conductor is mechanically connected to the main printed circuit board and electrically and thermally connected to the first terminals of the relays, and the at least one flat conductor is configured to dissipate heat produced during operation of the relays.

A printed circuit board (PCB) including: a negative thermal coefficient (NTC) thermistor which provides an electrical signal received from outside the PCB, wherein an electrical resistance of the NTC thermistor varies according to a negative thermal coefficient; and a heating pattern which receives the electrical signal from the NTC thermistor, wherein the heating pattern includes a positive thermal coefficient (PTC) thermistor with an electrical resistance that varies according to a positive thermal coefficient, wherein the PTC thermistor has a first thermal coefficient of resistance at a first critical temperature or below and changes to a second thermal coefficient of resistance above the first critical temperature, and the NTC thermistor has a third thermal coefficient of resistance at a second critical temperature or below and changes to a fourth thermal coefficient of resistance above the second critical temperature.

A device for use in the analysis of a biomolecule in a liquid sample, the device having at least three zones for accommodating at least part of the liquid sample, transfer means for transferring at least part of the liquid sample from a first zone to a second zone and for subsequently transferring at least part of the liquid sample from the second zone to a third zone along respective flow paths, a mechanically powered driver for operating the transfer means, a flow controller for selectively opening the flow paths between the zones, and a manually-operated common actuating member movable between a first and a second position to sequentially control both the mechanically powered driver and the flow controller to achieve transfer of at least part of the liquid sample between said zones, in which movement of the manually-operated common actuating member from the first position to the second position acts on the mechanically powered driver to achieve transfer of at least part of the liquid sample from the first zone to the second zone, and in which the mechanically powered driver effects the subsequent transfer of at least part of the liquid sample from the second zone to the third zone independently of the movement of the manually-operated common actuating member.

In general, one aspect of the subject matter described in this specification can be embodied in an anti-fogging apparatus for a camera assembly. The anti-fogging apparatus includes a camera affixed to a substrate, and a thermally conductive plate, the thermally conductive plate positioned in front of the substrate and defining a first aperture aligned with a lens of the camera. The anti-fogging apparatus includes a transparent plate positioned in front of the thermally conductive plate such that the transparent plate covers said first aperture. The anti-fogging apparatus includes an insulating element positioned in front of the transparent plate and defining a second aperture aligned with the first aperture. The anti-fogging apparatus includes a heating element affixed to the thermally conductive plate. The anti-fogging apparatus includes a case enclosing the camera, the thermally conductive plate, the transparent plate, the insulating element, and the heating element.

In general, one aspect of the subject matter described in this specification can be embodied in an anti-fogging apparatus for a camera assembly. The anti-fogging apparatus includes a camera affixed to a substrate, and a thermally conductive plate, the thermally conductive plate positioned in front of the substrate and defining a first aperture aligned with a lens of the camera. The anti-fogging apparatus includes a transparent plate positioned in front of the thermally conductive plate such that the transparent plate covers said first aperture. The anti-fogging apparatus includes an insulating element positioned in front of the transparent plate and defining a second aperture aligned with the first aperture. The anti-fogging apparatus includes a heating element affixed to the thermally conductive plate. The anti-fogging apparatus includes a case enclosing the camera, the thermally conductive plate, the transparent plate, the insulating element, and the heating element.

The invention relates to an electrically conductive film (10) having an electrically nonconductive substrate layer (12), and an electrically conductive metal layer (14) that has a structure produced by material removal and that on a first side is joined, at least in sections, to the substrate layer (12).

A flexible circuitry layer may comprise a conductive mesh including a circuitry trace; and an interfacing component, comprising: a flexible substrate; a terminal electrically connected to the circuitry trace; and a connector configured to be detachably connected to an external device.

An apparatus including an electrical source and a circuit board. The electrical source includes an outer shell including a receptacle, a battery arranged within the outer shell, and at least one electrical connector electrically connected to the battery and extending through the outer shell. The circuit board includes at least one circuit element and a mounting post. When the mounting post of the circuit board is received within the receptacle of the outer shell, the at least one electrical connector of the electrical source is electrically coupled to the at least one circuit element of the circuit board.

According to one embodiment, a wiring structure includes a substrate, a first conductor, second conductors, a first trace, second traces, heat-generating elements, and a first protruding conductor. The second conductors are spaced apart from the first conductor in a second direction crossing a first direction and are mutually juxtaposed with spacing in the first direction. The heat-generating elements are mutually juxtaposed in the first direction and connected to the respective second conductors and the first conductor. The first protruding conductor protrudes from either of the first conductor and one of the second conductors and is connected to a first one of the heat-generating elements. The first protruding conductor is at least partly located, in the first direction, between a center of the first one of the heat-Generating elements and a center of a second one of the heat-generating elements adjacent to the first one.

The invention relates to an electrically conductive film (10) having an electrically nonconductive substrate layer (12), and an electrically conductive metal layer (14) that has a structure produced by material removal and that on a first side is joined, at least in sections, to the substrate layer (12).