Patent ID: 11872059
Assignee: NEUROWAVE SYSTEMS INC
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A

Claim 10:
11. An apparatus for acquiring signals from a subject in the presence of high frequency (HF) electrical interference comprising:
at least 2 electrodes configured to be attached to a subject and acquire signals, and
amplification circuitry for HF electrical interference rejection connected to said at least 2 electrodes, with the amplification circuitry comprising:
at least one active input filter,
an optimized low frequency shield,
an isolation barrier where power is transmitted via an optimized transformer, and data is transmitted via at least one data coil;

wherein the amplication circuitry measures the level of HF electrical interference across said isolation barrier, and transmits the acquired signals and measured HF electrical interference level to a processor.