Filter contact for an electrical connector

Claim 2

In combination with an electrical connector of the type having a plurality of electrical contacts each of which includes means for attenuating signals of predetermined frequencies, the improvement wherein each of said electrical contacts comprises: an electrically conductive terminal having a mating end, a wire receiving end and a middle portion; a capacitive element; and an inductive element comprising a ferrite sleeve disposed around said middle portion of said terminal, said sleeve having at least one axial opening therethrough and a slot therein that extends the entire length of said sleeve so that there is at least one continuous air gap extending from one end of said sleeve to the other.

Claim 3

The electrical connector as recited in claim 1 wherein the wall of said ferrite sleeve extends less than 360* but more than 350* around said axial opening therein.

Claim 4

The electrical connector as recited in claim 1 wherein the slot in said ferrite sleeve is less than 0.005 inches wide.

Claim 5

The electrical connector as recited in claim 1 including means for mounting said ferrite sleeve to said contact, and wherein the ferrite sleeve disposed around the middle portion of said contact has two slots therein so that there are at least two continuous air gaps extending from one end of said sleeve to the other and said sleeve is comprised of two pieces.

Claim 6

The electrical connector as recited in claim 2 including means for mounting said ferrite sleeve to said contact, and wherein the ferrite sleeve disposed around the middle portion of said contact has two slots therein so that there are at least two continuous air gaps extending from one end of said sleeve to the other and said sleeve is comprised of two pieces.

Claim 7

The electrical connector as recited in claim 3 including means for mounting said ferrite sleeve to said contact, and wherein the ferrite sleeve disposed around the middle portion of said contact has two slots therein so that there are at least two continuous air gaps extending from one end of said sleeve to the other and said sleeve is comprised of two pieces.

Claim 8

An electrical filter assembly comprising: a filter element formed of an outer ceramic tubular member and an inner ferromagnetic tubular member, said ferromagnetic tubular member having an axial opening therethrough and at least one slot therein that extends the entire length of said ferromagnetic tubular member so that there is at least one continuous air gap extending from one end of said ferromagnetic tubular member to said other end, said outer ceramic tubular member having at least a portion of its outer surface conductively coated and a portion of its inner surface conductively coated, said inner and outer surface coating electrically isolated from each other; a terminal pin; and means for mounting said filter element around a portion of said terminal pin, said mounting means including means to electrically connect together the conductive coating on the inside of said ceramic tubular member and said termiNal pin.

Claim 9

An electrical filter assembly comprising: a filter element formed of an outer ceramic tubular member and an inner ferromagnetic tubular member, said ferromagnetic tubular member having an axial opening therethrough and at least one slot therein that extends the entire length of said ferromagnetic tubular member so that there is at least one continuous air gap extending from one end of said ferromagnetic tubular member to said other end, said outer ceramic tubular member having at least a portion of its outer surface conductively coated and a portion of its inner surface conductively coated, said inner and outer surface coating electrically isolated from each other; a terminal pin; and means for mounting said filter element around a portion of said terminal pin, said mounting means including means to electrically connect together the conductive coating on the inside of said ceramic tubular member and said termiNal pin.

Claim 10

The electrical filter assembly recited in claim 7 wherein the slot in said ferrite sleeve is less than 0.005 inches wide.

Claim 11

The filter assembly as recited in claim 7 wherein the wall of said ferrite sleeve extends less than 360* but more than 350* around said axial opening therein.

Claim 12

An electrical filter assembly comprising: capacitor means including a tube made of dielectric material and an electrically conductive coating on a portion of the outer surface of said tube adapted to be connected to a suitable electrical ground; an electrically conductive terminal; inductor means positioned within said tube and having a central aperture receiving said electrically conductive terminal therein, said inductor means having at least one slot therein that extends adjacent the entire length of said central aperture so that there is at least one continuous air gap extending from one end of said inductor means to the other end of said inductor means; and means made of electrically conductive material for retaining said inductor means within said tube.

Claim 13

An electrical filter assembly comprising: capacitor means including a tube made of dielectric material and an electrically conductive coating on a portion of the outer surface of said tube adapted to be connected to a suitable electrical ground; an electrically conductive terminal; inductor means positioned within said tube and having a central aperture receiving said electrically conductive terminal therein, said inductor means having at least one slot therein that extends adjacent the entire length of said central aperture so that there is at least one continuous air gap extending from one end of said inductor means to the other end of said inductor means; and means made of electrically conductive material for retaining said inductor means within said tube.

Claim 14

An electrical filter assembly as recited in claim 10 wherein said retaining means is spaced from said electrically conductive coating on the outer surface of said dielectric tube.

Claim 15

An electrical filter assembly as recited in claim 10 wherein the wall of said inductor means extends less than 360 but more than 350* around said axial slot.

Claim 16

An electrical filter assembly as recited in claim 11 wherein the wall of said inductor means extends less than 360 but more than 350* around said axial slot.