Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Reexamination Certificate
2005-10-04
2005-10-04
Takaoka, Dean (Department: 2817)
Wave transmission lines and networks
Coupling networks
Balanced to unbalanced circuits
C333S026000, C333S177000
Reexamination Certificate
active
06952142
ABSTRACT:
A mode-switching transformer selective on a band centered on a first frequency, comprising, between a same common mode input/output terminal and respectively one of two differential mode input/output terminals, a high-pass filter with a cut-off frequency smaller than said first frequency, a band-pass filter with a central frequency greater than said first frequency.
REFERENCES:
patent: 6788164 (2004-09-01), Maekawa et al.
patent: 6803835 (2004-10-01), Frank
patent: 6850127 (2005-02-01), Sakakura et al.
patent: WO 02/23719 (2002-03-01), None
Dupont François
Guitton Fabrice
Carlson David V.
Jorgenson Lisa K.
Seed IP Law Group PLLC
STMicroelectronics S.A.
Takaoka Dean
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