OPTICAL ELEMENT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Nov 13, 2015
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Nov 20, 2014
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Abstract
An optical filter device (1000) includes: a first mirror (101) transmitting portion of incident light; a second mirror (201) spaced apart from the first mirror (101), and transmitting portion of the incident light; actuators (300) driving the first mirror (101) to change a space between the first mirror (101) and the second mirror (201); and a detection electrode (400) detecting displacement of the first mirror (101). The detection electrode (400) includes: a movable comb electrode (410) including movable combs (414) and connected to the first mirror (101); and a stationary comb electrode (420) including stationary combs (424) facing the movable combs (414) in parallel with each other. The movable combs (414) are displaced in parallel with the stationary combs (424) when the movable comb electrode (410) is displaced together with the first mirror (101).
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