Electrostatic shield for ph electrodes
First Claim
1. THE COMBINATION WITH AN ELECTRODE COMPRISING AN ELONGATED SUPPORTING STEM OF INSULATING MATERIAL, AN ION-RESPONSIVE MEMBRANE CARRIED BY ONE END OF SAID STEM FOR IMMERSION IS A LIQUID AND MEANS INCLUDING A SHIELDED CONDUCTOR FOR COMPLETING AN ELECTRICAL CIRCUIT TO THE INNER SURFACE OF SAID MEMBRANE, OF ELECTROSTATIC SHIELDING MEANS AT THE SAME ELECTRICAL POTENTIAL AS THE LIQUID IN WHICH SAID MEMBRANE IS TO BE IMMERSED AND INSULATED FROM SAID SHIELDED CONDUCTOR COMPRISING AN ELECTRONIC CONDUCTOR OF TUBULAR SHAPE ENCIRCLING THE OUTER SURFACE OF SAID STEM AND EXTENDING LENGTHWISE THEREOF FROM A REGION ADJACENT SAID MEMBRANE NORMALLY DISPOSED AT A SUBSURFACE LEVEL OF THE LIQUID UPON IMMERSION OF SAID MEMBRANE THEREIN TO A REGION ADJACENT THE OPPOSITE END OF SAID STEM.
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Accused Products
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1 Claim
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1. THE COMBINATION WITH AN ELECTRODE COMPRISING AN ELONGATED SUPPORTING STEM OF INSULATING MATERIAL, AN ION-RESPONSIVE MEMBRANE CARRIED BY ONE END OF SAID STEM FOR IMMERSION IS A LIQUID AND MEANS INCLUDING A SHIELDED CONDUCTOR FOR COMPLETING AN ELECTRICAL CIRCUIT TO THE INNER SURFACE OF SAID MEMBRANE, OF ELECTROSTATIC SHIELDING MEANS AT THE SAME ELECTRICAL POTENTIAL AS THE LIQUID IN WHICH SAID MEMBRANE IS TO BE IMMERSED AND INSULATED FROM SAID SHIELDED CONDUCTOR COMPRISING AN ELECTRONIC CONDUCTOR OF TUBULAR SHAPE ENCIRCLING THE OUTER SURFACE OF SAID STEM AND EXTENDING LENGTHWISE THEREOF FROM A REGION ADJACENT SAID MEMBRANE NORMALLY DISPOSED AT A SUBSURFACE LEVEL OF THE LIQUID UPON IMMERSION OF SAID MEMBRANE THEREIN TO A REGION ADJACENT THE OPPOSITE END OF SAID STEM.
Specification
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Current AssigneeGeorge A. Perley
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Original AssigneeGeorge A. Perley
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InventorsPerley, George A.
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Application NumberUS02/720,548Time in Patent Office1,673 DaysField of SearchUS Class Current204/420CPC Class CodesG01N 27/283 Means for supporting or int...
