Tilt sensor based on angular dispersion of the transmission factor of two-media interface

Аполлонов, В. В.; Chetkin, S. A.; Vdovin, Gleb

doi:10.1016/0924-4247(90)80056-b

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Liquid Tilt Sensors1

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2021

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“…Still another group of liquid tilt sensors employs various optical techniques for detecting tilt, e.g., recording by cameras position of air bubbles [ 31 ], application of fiber Bragg gratings [ 32 , 33 ], laser autocollimation [ 34 ], application of interferometer [ 35 , 36 ], application of optical fiber [ 37 ], or application of standard photodetectors illuminated by a light source [ 38 , 39 ].…”

Section: Liquid Tilt Sensorsmentioning

confidence: 99%

Electric-Contact Tilt Sensors: A Review

Łuczak

Ekwińska

2021

Sensors

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A review of various kinds of solid tilts sensors, using a free mechanical member for generation of electric-contact (mostly a ball), is presented. Standard and original solutions are discussed. The latest patents are described. A classification of the existing solutions with respect to their sensing principle is proposed. Possible types of the electric/electronic circuits are discussed. Advantages of these sensors are emphasized: mainly optional operation without power supply, resistance to electrostatic discharges, and simplicity of signal processing. Technological details are briefly introduced, along with miniaturization prospects. Additionally, liquid tilt sensors are succinctly characterized. The most typical tilt sensing techniques are concisely compared.

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