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The term 1-dimension refers to a simple pistonic relationship between the noise and the active speaker (mechanical noise reduction) or between the active speaker and the listener (headphones). Protection of a 3-dimensional zone requires many microphones and speakers, making it more expensive.
An electronic curb feeler system uses two pairs of optical sensor units to detect an object located near the front end of a vehicle during parking. One pair of optical sensor units detects an object directly in front of a left portion of the front end of the vehicle while another pair of optical sensors detects an object directly in front of a ...
Smartphone optical proximity sensor without the phone's casing. The sensor itself is the black object on top of the yellow block below it; this block is actually a printed circuit board serving as an interposer. A proximity sensor (often simply prox) is a sensor able to detect the presence of nearby objects without any physical contact.
2013: Honda introduced new driver-assistance system called Honda SENSING in 2014 Honda Legend, with the tagline, "Safety for Everyone". [32] The system uses two types of sensors: a millimeter-wave radar in the front grille and a monocular camera on the windshield. These sensors detect pedestrians and other objects with improved accuracy.
A wide range of damage can be repaired using paintless dent repair as long as the paint surface is intact. Paintless dent repair may be used on both aluminum and steel panels. Common practical uses for paintless dent repair is the repair of hail damage, door dings, creases, body/feature line dents, and minor collision damage.
A hot shower might help return the head to its original shape, but taking breaks from wearing headphones is the most effective way to avoid causing a dent in the scalp. @curtoss
Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...
A glass break detector is a sensor that detects if a pane of glass has been shattered or broken. [1] These sensors are commonly used near glass doors or glass storefront windows. They are widely used in electronic burglar-alarm systems. The detection process begins with a microphone that picks up noises and vibrations coming from the glass.