OPTIMIAL DRIVE FREQUENCY SELECTION IN ELECTRICAL TOMOGRAPHY
First Claim
1. A system for optimally selecting a drive frequency of an electrical tomography, comprising:
- a sensor electrode stably associated with a tissue site of a subject to generate an induced signal based on a noise signal over a range of frequency bands, wherein an electrical field for the electrical tomography is turned off;
a noise processing module to separate the induced signal for each frequency band over the range of frequency bands; and
a frequency select module for selecting to select a drive frequency of the electrical field for the electrical tomography by comparing the induced signal for each frequency band over the range of frequency bands.
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Accused Products
Abstract
Electrical tomography drive frequency selection systems and methods are disclosed. One aspect of the present invention pertains to a system for optimally selecting a drive frequency of an electrical tomography which comprises a sensor electrode stably associated with a tissue site within an internal organ of a subject for generating an induced signal based on a noise signal over a range of frequency bands, wherein an electrical field for the electrical tomography is turned off. In addition, the system comprises a noise processing module for isolating the induced signal for each frequency band over the range of frequency bands. Furthermore, the system comprises a frequency select module for selecting a drive frequency of the electrical field for the electrical tomography by comparing the induced signal for each frequency band over the range of frequency bands.
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Citations
29 Claims
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1. A system for optimally selecting a drive frequency of an electrical tomography, comprising:
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a sensor electrode stably associated with a tissue site of a subject to generate an induced signal based on a noise signal over a range of frequency bands, wherein an electrical field for the electrical tomography is turned off; a noise processing module to separate the induced signal for each frequency band over the range of frequency bands; and a frequency select module for selecting to select a drive frequency of the electrical field for the electrical tomography by comparing the induced signal for each frequency band over the range of frequency bands. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for optimally selecting a drive frequency of an electrical tomography system, comprising:
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scanning for a noise signal processed by a sensor electrode of the electrical tomography system over a range of frequency bands prior to applying an electrical field of the electrical tomography system to the sensor electrode; comparing the noise signal processed by the sensor electrode over the range of frequency bands; and selecting a frequency band with a minimal noise signal among the range of frequency bands as the drive frequency of the electrical tomography system. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A non-transitory computer readable medium for optimally selecting a drive frequency of an electrical tomography system having instructions that, when executed by a computer, cause the computer to perform a method comprising:
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scanning for a noise signal processed by a sensor electrode of an electrical tomography system over a range of frequency bands prior to applying an electrical field of the electrical tomography system to the sensor electrode; comparing the noise signal processed by the sensor electrode over the range of frequency bands; and selecting a frequency band with a minimal noise signal among the range of frequency bands as the drive frequency of the electrical tomography system.
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29. A device for optimally selecting a drive frequency of an electrical tomography system, comprising:
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a sensor electrode to process a noise signal and to forward the noise signal; and a frequency device to isolate the noise signal for each frequency band over a range of frequency bands, to compare the noise signal for each frequency band over the range of frequency bands, and to select a drive frequency of the electrical field for the electrical tomography system based on the comparison.
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Specification