Ferrite core, CATV equipment and bi-directional CATV system

Inductor devices – Core surrounding linear conductor

Reexamination Certificate

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C336S221000

Reexamination Certificate

active

07061355

ABSTRACT:
A ferrite core for use in coupling transformers and distributing transformers in CATV equipments such as couplers, distributors and amplifiers, the ferrite core being made of a ferrite having a saturation magnetostriction |λS| of 8×10−6or less in an absolute value and an initial permeability μiof 300 or more.

REFERENCES:
patent: 5153539 (1992-10-01), Hara et al.
patent: 6071430 (2000-06-01), Lebourgeois et al.
patent: 6346337 (2002-02-01), DeCristofaro et al.
patent: 2002/0080001 (2002-06-01), Kobayashi et al.
patent: 2001-285819 (2001-10-01), None
patent: 2002-204439 (2002-07-01), None

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