Invention Grant
US07956706B2 Multiband filter having comb-line and ceramic resonators with different pass-bands propagating in different modes
有权
具有梳状线和陶瓷谐振器的多频带滤波器，其具有以不同模式传播的不同通带
- Patent Title: Multiband filter having comb-line and ceramic resonators with different pass-bands propagating in different modes
- Patent Title (中): 具有梳状线和陶瓷谐振器的多频带滤波器，其具有以不同模式传播的不同通带
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Application No.: US11574985Application Date: 2005-09-09
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Publication No.: US07956706B2Publication Date: 2011-06-07
- Inventor: Christine Blair , Mostafa Mohamed Taher AbuShaaban
- Applicant: Christine Blair , Mostafa Mohamed Taher AbuShaaban
- Applicant Address: GB West Yorkshire
- Assignee: Filtronic PLC
- Current Assignee: Filtronic PLC
- Current Assignee Address: GB West Yorkshire
- Agency: Howard & Howard Attorneys PLLC
- Priority: AU2004905144 20040909
- International Application: PCT/AU2005/001370 WO 20050909
- International Announcement: WO2006/026826 WO 20060316
- Main IPC: H01P1/20
- IPC: H01P1/20
Abstract:
A multiband filtering apparatus (40) for use in a communications system, said apparatus including a housing (21); a plurality of cavities (22.1, 22.2) disposed within said housing wherein each cavity includes a resonant structure, the resonant structure having at least one ceramic element (23.1, 23.2); at least one input port (27) coupled to a first resonator of said plurality of resonators; at least one output port (28) coupled to a second resonator of said plurality of resonators; and a closure member (25) adapted to engage said housing (21) and cap said cavities.
Public/Granted literature
- US20080246561A1 Multiband Filter Public/Granted day:2008-10-09
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