Casing for CATV filter

Details Casing for CATV filter Casing for CATV filter

2008-01-29

2008-01-29

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S185000

Reexamination Certificate

active

11180758

ABSTRACT:
A filter for CATV applications includes a housing and two interface caps, each with an annular groove in a header portion thereof. A circuit board having a grounding bus along an edge of the board is disposed inside the housing. A split ring grounding clamp is disposed inside the housing such that a plurality of split rings are adjacent the grounding bus. The interface caps are press fitted into the ends of the housing, forcing the plurality of split rings into uniform contact with the grounding bus. The ends of the housing are then crimp-rolled such that a ridge is formed in the housing where the grooves in the headers are located in the interface caps, thereby sealing the ends of the housing to the interface caps.

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patent: 2003/0090340 (2003-05-01), Chen
patent: 2003/0151470 (2003-08-01), Zennamo, Jr. et al.
patent: 2004/0227589 (2004-11-01), Panetta et al.

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