Wave transmission lines and networks – Transmission line inductive or radiation interference...
Reexamination Certificate
2008-01-16
2009-11-24
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Transmission line inductive or radiation interference...
C333S175000, C333S177000, C333S181000
Reexamination Certificate
active
07623001
ABSTRACT:
An electromagnetic interference eliminating apparatus includes a multi-stage filter that is composed of inductors, capacitors and resistors, and an active filter. The multi-stage filter receives an input signal and provides an eliminating band to eliminate the noise in the input signal. The active filter is connected with the multi-stage filter for buffering the input signal that has been eliminated and exactly outputting an output signal.
REFERENCES:
patent: 5072200 (1991-12-01), Ranky
patent: 7123083 (2006-10-01), Greitschus et al.
patent: 7459995 (2008-12-01), Suzuki
Wang Wen-Hung
Yeh Wei-Hao
Glenn Kimberly E
Kile Goekjian Reed & McManus PLLC
Pascal Robert
Universal Scientific Industrial Co., Ltd.
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