Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Reexamination Certificate
2006-06-27
2006-06-27
Jones, Stephen E. (Department: 2817)
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
C333S219100, C333S235000
Reexamination Certificate
active
07068127
ABSTRACT:
The present invention incorporates triple-mode, mono-block resonators that are tunable. Four novel and unobvious methods of tuning are disclosed. The first tuning method is to mechanically grind areas on three orthogonal faces of the mono-block in order to change the resonant frequencies of the three modes in each block. Another method of tuning frequency is to cut a slot within a face of the resonator. A third method of tuning the mono-block is to tune the resonant frequency of a particular mode by removing small circular areas of the conductive surface from a particular face of the mono-block. The fourth, tuning method is the use of discrete tuning elements, with 3 elements distributed among three orthogonal faces of the mono-block, to affect the necessary change of the resonant frequencies.
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Wang Chi
Wang Weili
Wilber William D.
Gellenthien TTom C.
Jones Stephen E.
Radio Frequency Systems
Sewell V. Lawrence
Sughrue & Mion, PLLC
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