Filter characteristic tuning apparatus, tunable filter apparatus and control method for tunable filter apparatus
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Mar 7, 2016
filing date -
Mar 11, 2015
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Abstract
According to an embodiment, a filter characteristic tuning apparatus includes a characteristic tuning member, an elastic member, a first movable member, a second movable member, and a driving mechanism. The elastic member comes in contact with a characteristic tuning member by deformation, and separates from the characteristic tuning member by a restoring force. The first movable member deforms the elastic member in a closing operation. The driving mechanism displaces a second movable member such that a projection opens/closes the first movable member. The characteristic tuning member changes a gap between the characteristic tuning member and the resonator by a linear driving force obtained by converting the transmitted rotary driving force.
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