Photo-electric cell

Related to Photo-electric cell: photocell, photoelectric effect
1.A cell (as one of two electrodes embedded in selenium) which by exposure to light generates an electric current.
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It has wizzy features such as a photo-electric cell and presumably some automatic watering.
This will normally be a compact fluorescent light, controlled by a photo-electric cell which is a lightsensitive dusk to dawn switch.
A good burglar deterrent is a light that is activated by a photo-electric cell that comes on automatically after dark and switches off in the day.
Lighting is controlled by a lighting contactor energized with a photo-electric cell on an adjacent lighting standard.
This is complemented by the door's combination of photo-electric cell, opto dynamic safety edge and fail-safe system in the gearbox which all help to ensure safe operation.
The controlling factor may be rising and falling water in a filter or water tank; pressure in a water main; flow rate in a main; a clock or timing mechanism; conductivity; pH; oxidation-reduction potential; or even from the turbidity acting through a photo-electric cell.
They were obsessed with photo-electric cells that could do useful things, like open your curtains.
Controlling one of the biggest road junctions in the city (two dual carriageway crossings) was a set of traffic lights actuated by small lights set on poles near to kerb level, the beams of light lined up with photo-electric cells on the other side, vehicles making their presence felt by breaking the beam.
Wentloog-based G24 Innovations (G24i) manufactures dye-sensitised photo-electric cells which turn even low levels of light into power.
Wentloog-based G24 Innovations manufactures dye-sensitised photo-electric cells which turn even low levels of light into power.
It's got a few interesting features: an optional sunroof with photo-electric cells that generate electricity, which helps power the air-conditioning unit and a windscreen option that reflects heat.
The machine is equipped with photo-electric cells for material registration, an advanced basic electrical control system and digital tachometer.