Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Reexamination Certificate
2006-09-15
2009-06-23
Tan, Vibol (Department: 2819)
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
C333S202000, C333S203000
Reexamination Certificate
active
07551045
ABSTRACT:
A dual channel band-pass filter (10) includes an input portion (100), a first resonator (140), a second resonator (160), and an output portion (120). The input portion is used for inputting electromagnetic signals. The first resonator is electronically connected to the input portion, and includes a first groove (146) in the vicinity of a center thereof. The second resonator is disposed parallel to the first resonator, and includes a second groove (166) in the vicinity of a center thereof. The output portion is disposed parallel to the input portion, and is electronically connected to the second resonator for outputting electromagnetic signals.
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Chung Wei Te
Hon Hai Precision Industry Co. Ltd.
Tan Vibol
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