Patent ID: 9035727
Filing Date: 2015-05-19
Classification: H01P,H03J

Abstract:
1. A frequency tunable filter, comprising: a housing having multiple cavities defined by partition walls; a respective resonator contained in corresponding ones of the multiple cavities; at least one sliding part installed above the respective resonator of the corresponding cavity; a tuning element joined to a lower portion of the at least one sliding part; a main cover joined to an upper portion of the housing; a communication module configured to receive a control signal for controlling a movement of the at least one sliding part; and a processor configured to determine a sliding distance of the at least one sliding part based on the control signal; a storage unit configured to store information on sliding distances and information on characteristic of frequency bands such that a respective portion of the information on the sliding distances corresponds to each one of the frequency bands, wherein, the control signal includes information on characteristic of a frequency band for tuning, and the processor determines the sliding distance using the information on characteristic of the frequency band for tuning and information on sliding distances in correspondence with characteristic of the frequency bands.