Universal notch filter

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United States of America Patent

PATENT NO 11843407
APP PUB NO 20230216529A1
SERIAL NO

18084034

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems, methods, and computer program product embodiments are disclosed for removing any fixed frequency interfering signal from an input signal without introducing artifacts that are not part of the original signal of interest. An embodiment operates by using a virtual buffer with a length that matches a length of one cycle of an interfering signal. The embodiment extracts the interfering signal into the virtual buffer. For a sample in the next cycle of the interfering signal that corresponds to a virtual memory location for the virtual buffer, the embodiment can update one or more physical memory locations of the virtual buffer that are in the vicinity of the virtual memory location. This use of virtual buffer can remove any interfering signal without creating the artifacts associated with conventional notch filters.

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Patent Owner(s)

Patent OwnerAddress
BIOSIG TECHONOLOGIES INC55 GREEN FARMS ROAD WESTPORT CT 06880

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Drakulic, Budimir S Los Angeles, US 28 254
Fakhar, Sina Encino, US 27 223
Foxall, Thomas G Surrey, CA 25 222
Vlajinic, Branislav Rochester, US 27 223

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