Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
168 words
A device for eliminating interference in the main supply lines caused by high frequency producing electronic equipment, in particular by electronic data processing equipments, all of which are connected to a common ground line comprising: a metallic housing having a partition which divides the same into first and second chambers shielded from each other, a plurality of electronic components in the said first and second chamber, means for connecting one end of the said device to the said interference producing equipment and means for connecting the other end of the said device to the said main supply lines, a plurality of capacitors each having a relatively large capacitance value being connected between one of the conductors to the remaining conductors in both said first and second chambers, chokes of high inductivity coupled in series with each of the plurality of conductors in said first chambers, feed throughs for each of the conductors from the first to the second chamber by means of feed through-capacitors of low capacitance value.
Claim 2
Independent Claim
168 words
A device for eliminating interference in the main supply lines caused by high frequency producing electronic equipment, in particular by electronic data processing equipments, all of which are connected to a common ground line comprising: a metallic housing having a partition which divides the same into first and second chambers shielded from each other, a plurality of electronic components in the said first and second chamber, means for connecting one end of the said device to the said interference producing equipment and means for connecting the other end of the said device to the said main supply lines, a plurality of capacitors each having a relatively large capacitance value being connected between one of the conductors to the remaining conductors in both said first and second chambers, chokes of high inductivity coupled in series with each of the plurality of conductors in said first chambers, feed throughs for each of the conductors from the first to the second chamber by means of feed through-capacitors of low capacitance value.
Claim 3
Dependent Claim
44 words
A device in accordance with claim 1 wherein one of the plurality of conductors is a return conductor and wherein each of said capacitors of relatively large capacitancE is connected from said return conductor to each of the remaining of said plurality of conductors.
Claim 4
Dependent Claim
26 words
A device in accordance with claim 2 wherein a relatively small value capacitor is coupled from circuit ground to said return conductor within said first chamber.
Claim 5
Dependent Claim
43 words
A device in accordance with claim 2 wherein a plurality of relatively large value resistors are coupled from the return conductor to respective other ones of said plurality of conductors and wherein a resistor is coupled from circuit ground to said return conductor.
Claim 6
Dependent Claim
33 words
A device in accordance with claim 4 wherein said resistors are connected to the plurality of conductors at the junction point of said chokes and said feed through capacitors within said first chamber.
Claim 7
Dependent Claim
41 words
A device in accordance with claim 1 wherein the chokes are wound together on a single air gap free ring core in such a way that the magnetic flux of each winding is cancelled by the effects of the other windings.
Claim 8
Dependent Claim
226 words
In electronic equipment having a plurality of sources of high frequency signals fed by main supply lines, a device for eliminating interference comprising: a metallic housing having a partition which divides the same into first and second chambers, shielded from each other, a plurality of electronic components in the said first and second chamber, means for connecting one end of the said device to the said interference producing equipment and means for connecting the other end of the said device to the said main supply lines, one of said plurality of conductors being a return conductor, a plurality of capacitors of relatively large capacitance value connected between said return conductor and respective ones of the remaining conductors, a relatively small capacitor connected between the return conductor and circuit ground, feed through capacitors coupled between each of said conductors and the housing at the portion thereof which divides the housing into said first and second chambers, and chokes of high inductivity coupled in series with each of said plurality of conductors in said first chamber, relatively large resistors coupled between the return conductor and respective ones of the other conductors and from the return conductor to circuit ground, said resistors being connected to the other conductors at the junction point of said chokes and said feed through capacitors, whereby the main supply lines are rendered interference free.
Claim 9
Dependent Claim
226 words
In electronic equipment having a plurality of sources of high frequency signals fed by main supply lines, a device for eliminating interference comprising: a metallic housing having a partition which divides the same into first and second chambers, shielded from each other, a plurality of electronic components in the said first and second chamber, means for connecting one end of the said device to the said interference producing equipment and means for connecting the other end of the said device to the said main supply lines, one of said plurality of conductors being a return conductor, a plurality of capacitors of relatively large capacitance value connected between said return conductor and respective ones of the remaining conductors, a relatively small capacitor connected between the return conductor and circuit ground, feed through capacitors coupled between each of said conductors and the housing at the portion thereof which divides the housing into said first and second chambers, and chokes of high inductivity coupled in series with each of said plurality of conductors in said first chamber, relatively large resistors coupled between the return conductor and respective ones of the other conductors and from the return conductor to circuit ground, said resistors being connected to the other conductors at the junction point of said chokes and said feed through capacitors, whereby the main supply lines are rendered interference free.
Claim 10
Dependent Claim
24 words
A device for eliminating interference in accordance with claim 7 wherein said chokes are wound on a single ring core with cancelling magnetic effects.