Proximity SwitchProximity Switch- A type of distance sensor but less sophisticated. Only detects a specific proximity. Hence the name `
Proximity Switch`. This kind of
Proximity Switch may be optical - [i.e. the kind of
Proximity Switch that is a combination of a photocell and LED or laser]. Applications in cell phones, paper detector in photocopiers, auto power standby/shutdown mode in notebooks and other devices. May employ a magnet and a Hall effect device.
Proximity Switch devices are usually quite delicate and are ineffective once the target has been moved out of the specific proximity of the switch.
