Kiyoshi X Masuda

US Patent:

52007308, Apr 6, 1993

Filed:

Oct 18, 1991

Appl. No.:

7/778514

Inventors:

Kiyoshi Masuda - New York NY
James May - Scranton PA
Takao Otsuka - Kawasaki, JP
Michio Inamura - Ayase, JP

Assignee:

FerriShield, Inc. - New York NY

International Classification:

H01F 2702
H01F 1706

US Classification:

336 90

Abstract:

A noise suppressor for engagement over a cable, comprises a ferrite core having a core passage extending therethrough from one end to the other. A sleeve of resilient insulating material is cast, injected, dipped or molded over the ferrite core to cover the core. The sleeve includes on opposite sides thereof, a sleeve passage communicating with the core passage. One of the projections may be resilient or may be replaced by a closed end of the sleeve with a slit, for closely engaging a cable to fix the sleeve at a selected location along the cable. A pad may be included in one or both of the sleeves to further hold the sleeves securely on the cable. The sleeve may have a cylindrical or rectangular cross section to accommodate cylindrical or ribbon shaped cables.