Signal Common Mode Cancellation For Handheld Low Voltage Testing Device
First Claim
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1. Apparatus for monitoring bioelectric signals of a patient, comprising:
- a processing system;
an interface coupled to said processing system for receiving external electrical signals representative of a condition of the patient and for conveying a representation of said received external signals to said processing system, said interface including a common mode cancellation amplifier circuit configured to reduce common mode signal noise present in said external signals, and at least one amplifier circuit configured to alter an amplitude of said external signals; and
wherein said processing system is configured for processing representations of said received external signals with at least one software algorithm to generate at least one index value representative of a patient condition.
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Abstract
An apparatus for monitoring bioelectric signals of a patient which includes a processing system and an interface for receiving external electrical signals representative of a condition of the patient. The interface is configured to convey a representation of the received external signals to the processing system, and includes a common mode cancellation amplifier circuit which is adapted to reduce common mode signal noise present in the external signals.
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19 Claims
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1. Apparatus for monitoring bioelectric signals of a patient, comprising:
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a processing system; an interface coupled to said processing system for receiving external electrical signals representative of a condition of the patient and for conveying a representation of said received external signals to said processing system, said interface including a common mode cancellation amplifier circuit configured to reduce common mode signal noise present in said external signals, and at least one amplifier circuit configured to alter an amplitude of said external signals; and wherein said processing system is configured for processing representations of said received external signals with at least one software algorithm to generate at least one index value representative of a patient condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification