Noise filter

Claim 2

A noise filter, comprising: a capacitor having first and second electrodes; first and second terminal legs extending from said first electrode, said first and second terminal legs being electrically coupled to one another; third and fourth terminal legs extending from said second electrode, said third and fourth terminal legs being electrically coupled to one another; a tube made of magnetic material being mounted on one of said terminal legs whereby when an electric signal is applied to said first terminal leg and said third terminal leg is connected to ground, high frequency noise signals contained in said electric signal are filtered; and a feed through capacitor having first and second electrodes, said feed through capacitor being mounted on said second terminal leg, said first electrode of said feed through capacitor being electrically connected to said second terminal leg and said second electrode of said feed through capacitor being electrically connected to one of said third and fourth terminal legs.

Claim 3

A noise filter, comprising: a capacitor having first and second electrodes; first and second terminal legs extending from said first electrode, said first and second terminal legs being electrically coupled to one another; third and fourth terminal legs extending from said second electrode, said third and fourth terminal legs being electrically coupled to one another; first and second tube means mounted on said first and second terminal legs, respectively, each of said first and second tube means being made of a magnetic material, whereby when an electric signal is applied to said first terminal leg and said third terminal leg is grounded, high frequency noise signals contained in said electric signal are filtered; and a feed through capacitor having first and second electrodes, said feed through capacitor being mounted on said second terminal leg, said first electrode of said feed through capacitor being electrically connected to said second terminal leg and said second electrode of said feed through capacitor being electrically connected to one of said third and fourth terminal legs.

Claim 4

A noise filter, comprising: a capacitor having first and second electrodes; first and second terminal legs extending from said first electrode, said first and second terminal legs being electrically coupled to one another; third and fourth terminal legs extending from said second electrode, said third and fourth terminal legs being electrically coupled to one another; first and second tube means mounted on said first and second terminal legs, respectively, each of said first and second tube means being made of a magnetic material, whereby when an electric signal is applied to said first terminal leg and said third terminal leg is grounded, high frequency noise signals contained in said electric signal are filtered; and a feed through capacitor having first and second electrodes, said feed through capacitor being mounted on said second terminal leg, said first electrode of said feed through capacitor being electrically connected to said second terminal leg and said second electrode of said feed through capacitor being electrically connected to one of said third and fourth terminal legs.

Claim 5

A noise filter as claimed in claim 2, further comprising third and fourth tube means mounted on said third and fourth terminal legs, respectively, each of said third and fourth tube means being made of a magnetic material.

Claim 6

A noise filter as claimed in claim 2, wherein said first and second terminal legs are defined by a first terminal pin having its intermediate portion connected to said first electrode.

Claim 7

A noise filter as claimed in claim 2, wherein said third and fourth terminal legs are defined by a second terminal pin having its intermediate portion connected to said second electrode.

Claim 8

A noise filter as claimed in claim 2, wherein said feed through capacitor is defined by a cylindrical body having an inner face and an outer face, said first electrode of said feed through capacitor being located on said inner face and said second electrode of said feed through capacitor being located on said outer face.

Claim 9

A noise filter as claimed in claim 2, wherein said feed through capacitor is defined by a disc shaped body having first and second opposite flat surfaces, said first electrode of said feed through capacitor being located on said first flat surface and said second electrode of said feed through capacitor being located on said second flat surface.

Claim 10

A noise filter as claimed in claim 2, further comprising a plate made of electrically conductive material for effecting an electric connection between said second electrode of said feed through capacitor and one of said third and fourth terminal legs.

Claim 11

A noise filter as claimed in claim 8, further comprising a shield member mounted on said plate member for effecting an electrostatic shield between said first and second terminal legs.

Claim 12

A noise filter as claimed in claim 9, wherein said shield member is in the shape of an "F".

Claim 13

A noise filter as claimed in claim 9, wherein said shield member is in the shape of an "E".

Claim 14

A noise filter comprising: a capacitor having first and second electrodes; first and second terminal legs extending from said first electrode, said first and second terminal legs being electrically coupled to one another; third and fourth terminal legs extending from said second electrode, said third and fourth terminal legs being electrically coupled to one another; first, second and third tube means mounted on said first, second and third terminal legs, respectively, each of said tube means being made of a magnetic material whereby when an electric signal is applied to said first terminal leg and said third terminal leg is grounded, high frequency noise signals contained in said electric signal are filtered; and a feed through capacitor having first and second electrodes, said feed through capacitor being mounted near said second terminal leg, said first electrode of said feed through capacitor being electrically connected to said second terminal leg and said second electrode of said feed through capacitor being electrically connected to one of said third and fourth terminal legs.

Claim 15

A noise filter comprising: a capacitor having first and second electrodes; first and second terminal legs extending from said first electrode, said first and second terminal legs being electrically coupled to one another; third and fourth terminal legs extending from said second electrode, said third and fourth terminal legs being electrically coupled to one another; first, second and third tube means mounted on said first, second and third terminal legs, respectively, each of said tube means being made of a magnetic material whereby when an electric signal is applied to said first terminal leg and said third terminal leg is grounded, high frequency noise signals contained in said electric signal are filtered; and a feed through capacitor having first and second electrodes, said feed through capacitor being mounted near said second terminal leg, said first electrode of said feed through capacitor being electrically connected to said second terminal leg and said second electrode of said feed through capacitor being electrically connected to one of said third and fourth terminal legs.

Claim 16

A noise filter as claimed in claim 12, further comprising an electrically non-conductive block for supporting said first, second, third and fourth tube means, and also said feed through capacitor.

Claim 17

A noise filter according to claim 14, wherein said third terminal leg is grounded.

Claim 18

A noise filter according to claim 12, further comprising an electrically non-conductive block hook supporting said first, second and third tube means.

Claim 19

A noise filter as claimed in claim 12, wherein said first and second terminal legs are defined by a first terminal pin having its intermediate portion connected to said first electrode.

Claim 20

A noise filter as claimed in claim 12, wherein said third and fourth terminal legs are defined by a second terminal pin having its intermediate portion connected to said second electrode.

Claim 21

A noise filter as claimed in claim 12, wherein said feed through capacitor is defined by a cylindrical body having an inner face and as outer face, said first electrode of said feed through capacitor being located on said inner face and said second electrode of said feed through capacitor being located on said outer face.

Claim 22

A noise filter as claimed in claim 12, wherein said feed through capacitor is defined by a disc shaped body having first and second opposite flat surfaces, said first electrode of said feed through capacitor being located on said first flat surface and said second electrode of said feed through capacitor being located on said second flat surface.

Claim 23

A noise filter as claimed in claim 12, further comprising a plate made of electrically conductive material for effecting an electric connection between said second electrode of said feed through capacitor and one of said third and fourth terminal legs.

Claim 24

A noise filter as claimed in claim 20, further comprising a shield member mounted on said plate member for effecting an electrostatic shield between said first and second terminal legs.

Claim 25

A noise filter as claimed in claim 21, wherein said shield member is in the shape of an "F".

Claim 26

A noise filter as claimed in claim 21, wherein said shield member is in the shape of an "E".