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Patent Searching and Data


Title:
LINE FILTER
Document Type and Number:
Japanese Patent JPS60204110
Kind Code:
A
Abstract:

PURPOSE: To improve the noise preventing function even to a noise having a high frequency and even to a noise of a low frequency by winding a primary and a secondary to a magnetic core and providing a shield plate to apply electrostatic shield to the start and end of the turn of the coils.

CONSTITUTION: The primary coil 11 and the secondary coil 12 are wound to a annular troidal magnetic core 10, start of turns 13, 14 and ends 15, 16 of the coils 11, 12 are used as connecting terminals. The shield plate 18 provided with a projection 17 as a grounding terminal at a part is provided between the terminals 13, 14 and 15, 16 so as to attain electrostatic shield. Thus, the noise preventing function even to the noise of a low frequency as well as the noise of a high frequency is improved in this way.


Inventors:
Hamazawa, Yoshikazu
Application Number:
JP1984000059470
Publication Date:
October 15, 1985
Filing Date:
March 29, 1984
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H03H7/09; H03H1/00; (IPC1-7): H03H7/09