Wave transmission lines and networks – Coupling networks – Electromechanical filter
Reexamination Certificate
2007-05-01
2007-05-01
Summons, Barbara (Department: 2817)
Wave transmission lines and networks
Coupling networks
Electromechanical filter
C333S025000
Reexamination Certificate
active
11098556
ABSTRACT:
A filter assembly capable of unbalanced to balanced conversion. An unbalanced to balanced conversion unit is coupled to an input terminal for transforming a received unbalanced signal thereat to a balanced signal and a lattice filter coupled between the unbalanced to balanced conversion unit and two output terminals for eliminating or rejecting the noise of the balanced signal.
REFERENCES:
patent: 5892418 (1999-04-01), Onishi et al.
patent: 6670866 (2003-12-01), Ella et al.
patent: 2004/0257172 (2004-12-01), Schmidhammer et al.
patent: WO 98/34345 (1998-08-01), None
Delta Electronics , Inc.
Summons Barbara
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