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Remote photoelectric sensors used for remote sensing contain only the optical components of a sensor. The circuitry for power input, amplification, and output switching is located elsewhere, typically in a control panel. This allows the sensor, itself, to be very small. Also, the controls for the sensor are more accessible, since they may be ...
A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions. Door ...
Motion sensors monitoring the vehicle's interior are installed in some higher end models. The simplest aftermarket alarms are one-piece units with a siren and control module. The most common type of sensor is a shock sensor and two wires (12-volt constant power and ground) which are connected to the car's battery.
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Lane assist camera of VW Golf Mobileye's PCB and camera sensor from a Hyundai Lane Guidance camera module. Lane warning/keeping systems are based on: Video sensors in the visual domain (mounted behind the windshield, typically integrated beside the rear mirror) Laser sensors (mounted on the front of the vehicle)
Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam.
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