TUNABLE FILTER CAPABLE OF CONTROLLING TUNING CHARACTERISTICS
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United States of America Patent
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Issued Date -
Jun 9, 2011
app pub date -
Aug 7, 2009
filing date -
Aug 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tunable filter for enabling the adjustment of tuning characteristics includes: a housing, in which multiple cavities are defined by partitions; a resonator contained in the cavity; at least one sliding member installed over the resonator; a main cover coupled to an upper portion of the housing; and at least one tuning element coupled to a lower portion of the sliding member and made of a metallic material. The tuning element is coupled to the sliding member by a rotatable bolt, and the bolt is coupled to the tuning element at a point that is a particular distance away from a center of the tuning element. The tunable filter using a sliding system according to certain embodiments of the present invention has the advantage of enabling adjustment of tuning characteristics by way of the rotation of the tuning element, and accordingly, can be used adaptively in various environments.
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