Patent classifications
A61B5/245
THERMAL PACKAGE FOR AN ATOMIC DEVICE
Various embodiments comprise a thermally packaged atomic device. The thermally packaged atomic device comprises an atomic vapor cell, a heater, and an enclosure. The atomic vapor cell is located within the enclosure. The heater heats the atomic vapor cell. The enclosure is filled with a gas selected for comprising a thermal conductivity less than air. The gas comprising a thermal conductivity less than air may comprise xenon or krypton. The enclosure surrounds the atomic vapor cell with the gas.
Digital signal processing assistant modeling method for biosignal analysis
A method and apparatus for performing a biosignal analysis task using a set of models includes receiving an input biosignal. Information that identifies the biosignal analysis task to be performed in association with the input biosignal is received. A waveform model and a digital signal processing (DSP) model are selected. A first type of feature and a second type of feature of the input biosignal are identified. An analysis model is selected, and the biosignal analysis task is performed using the analysis model.
Digital signal processing assistant modeling method for biosignal analysis
A method and apparatus for performing a biosignal analysis task using a set of models includes receiving an input biosignal. Information that identifies the biosignal analysis task to be performed in association with the input biosignal is received. A waveform model and a digital signal processing (DSP) model are selected. A first type of feature and a second type of feature of the input biosignal are identified. An analysis model is selected, and the biosignal analysis task is performed using the analysis model.
Nested and parallel feedback control loops for ultra-fine measurements of magnetic fields from the brain using a neural detection system
An actuated magnetic field is generated at a plurality of distinct frequencies that at least partially cancels an outside magnetic field at the plurality of distinct frequencies, thereby yielding a total residual magnetic field. The total residual magnetic field is coarsely detected and a plurality of coarse error signals are respectively output. The total residual magnetic field is finely detected and a plurality of fine error signals are respectively output. The actuated magnetic field is controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of coarse error signals, and finely controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of fine error signals.
Nested and parallel feedback control loops for ultra-fine measurements of magnetic fields from the brain using a neural detection system
An actuated magnetic field is generated at a plurality of distinct frequencies that at least partially cancels an outside magnetic field at the plurality of distinct frequencies, thereby yielding a total residual magnetic field. The total residual magnetic field is coarsely detected and a plurality of coarse error signals are respectively output. The total residual magnetic field is finely detected and a plurality of fine error signals are respectively output. The actuated magnetic field is controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of coarse error signals, and finely controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of fine error signals.
Mitigation of an effect of capacitively coupled current while driving a sensor component over an unshielded twisted pair wire configuration
An illustrative system includes a sensor component and a controller conductively coupled by way of a first wire and a second wire in a twisted pair configuration. The controller includes a driver configured to drive the sensor component by way of the first and second wires with a drive current in accordance with a gain parameter and a control loop circuit. The control loop circuit is configured to receive a control signal representative of a target current value for the drive current, adjust the gain parameter based on a difference between the target current value and an actual current value of current that is actually being driven through the sensor component, and abstain from adjusting the gain parameter based on current capacitively coupled onto the first and second wires by an external electric field.
Mitigation of an effect of capacitively coupled current while driving a sensor component over an unshielded twisted pair wire configuration
An illustrative system includes a sensor component and a controller conductively coupled by way of a first wire and a second wire in a twisted pair configuration. The controller includes a driver configured to drive the sensor component by way of the first and second wires with a drive current in accordance with a gain parameter and a control loop circuit. The control loop circuit is configured to receive a control signal representative of a target current value for the drive current, adjust the gain parameter based on a difference between the target current value and an actual current value of current that is actually being driven through the sensor component, and abstain from adjusting the gain parameter based on current capacitively coupled onto the first and second wires by an external electric field.
Wearable system for detecting and measuring biosignals
A system for detecting bioelectrical signals of a user comprising: a set of sensors configured to detect bioelectrical signals from the user, each sensor in the set of sensors configured to provide non-polarizable contact at the body of the user; an electronics subsystem comprising a power module configured to distribute power to the system and a signal processing module configured to receive signals from the set of sensors; a set of sensor interfaces coupling the set of sensors to the electronics subsystem and configured to facilitate noise isolation within the system; and a housing coupled to the electronics subsystem, wherein the housing facilitates coupling of the system to a head region of the user.
Wearable system for detecting and measuring biosignals
A system for detecting bioelectrical signals of a user comprising: a set of sensors configured to detect bioelectrical signals from the user, each sensor in the set of sensors configured to provide non-polarizable contact at the body of the user; an electronics subsystem comprising a power module configured to distribute power to the system and a signal processing module configured to receive signals from the set of sensors; a set of sensor interfaces coupling the set of sensors to the electronics subsystem and configured to facilitate noise isolation within the system; and a housing coupled to the electronics subsystem, wherein the housing facilitates coupling of the system to a head region of the user.
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND BIOSIGNAL MEASUREMENT SYSTEM
An information processing device includes a first display control unit, and a second display control unit. The first display control unit is configured to display, in a display device, a first intensity distribution which is at least per unit time and which is regarding a biosignal coming from a particular source. The second display control unit configured to display, side-by-side in the display device, a first image which has a shape of the source and on which a second intensity distribution of the biosignal corresponding to time corresponding to a point or an area specified in the first intensity distribution is superimposed, and second images which have the shape of the source and on which second intensity distributions of the biosignal before and after the time are superimposed.