Abstract: Apparatuses, methods and systems for monitoring vehicle parking occupancy are disclosed. One method includes intermittently receiving, by a wireless node, a wireless signal from a vehicle sensing device, wherein the vehicle sensing device transmits the wireless signal upon sensing a change in vehicle occupancy of an associated parking location, wherein the wireless signal includes a vehicle sensing indicator, wherein the vehicle sensing indicator indicates whether the vehicle sensing device senses vehicle occupancy of the associated parking location, measuring a signal quality of the intermittently received wireless signal over time, correlating the measured signal quality of the intermittently received wireless signal over time with the vehicle occupancy indictor, and identifying errors in the vehicle sensing indicator based on the correlating of the measured signal quality of the intermittently received wireless signal over time with the vehicle occupancy indictor.

Abstract: Apparatuses, methods and systems for an event-triggering apparatus are disclosed. One embodiment of the apparatus includes a sensor element operative to sensing a magnetic field, and apparatus control circuitry, wherein the apparatus control circuitry receives a representation of the sensed magnetic field. The apparatus control circuitry is operative to sense a deviation in the sensed magnetic field greater than a predetermined threshold, and trigger an event after sensing the deviation of the sensed magnetic field greater than the predetermined threshold.

Abstract: Apparatuses, methods and systems apparatus for sensing an orientation are disclosed. One apparatus includes an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer and a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope. The apparatus further includes a first adaptive filter, the first adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a first orientation (Q) of the apparatus, a second adaptive filter, the second adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a second orientation (Q?) of the apparatus, wherein a tuning for the first adaptive filter is different than a tuning for the second adaptive filter.

Abstract: Apparatuses, methods and systems apparatus for automatically updating hard iron and soft iron coefficients of a magnetic sensor of a device are disclosed. One method includes making measurements of a magnetic field by the magnetic sensor during rotations of the device, determining by at least a criterion whether to input the measurements of the magnetic field into a coefficient estimator, calculating, by the coefficient estimator, new hard iron and soft iron coefficients upon receiving the measurements of the magnetic field, determining a quality of the newly calculated hard iron and soft iron calculated coefficients, and updating existing hard iron and soft iron coefficients to the newly calculated hard iron and soft iron coefficients only if the quality of the newly calculated hard iron and soft iron coefficients.

Abstract: Apparatuses, methods and systems for a swim apparatus are disclosed. One embodiment of the swim apparatus includes one or more sensors sensing motion of a swimmer, a direction indicator for indicating a direction to the swimmer, and a controller. The controller is operative to receive sense signals from the one or more sensors, and identify a desired bearing of the swimmer comprising identifying one or more natural gesture motions of the swimmer from the received sense signals that indicate the desired bearing of the swimmer. Further, the controller is operative to identify an actual heading of the swimmer based on the received sense signals, calculate a heading offset based on the desired bearing of the swimmer and the actual heading of the swimmer, and provide the heading offset to the direction indicator.

Abstract: Apparatuses, methods and systems for a swim apparatus are disclosed. One embodiment of the swim apparatus includes one or more sensors sensing motion of a swimmer, a direction indicator for indicating a direction to the swimmer, and a controller. The controller is operative to receive sense signals from the one or more sensors, and identify a desired bearing of the swimmer comprising identifying one or more natural gesture motions of the swimmer from the received sense signals that indicate the desired bearing of the swimmer. Further, the controller is operative to identify an actual heading of the swimmer based on the received sense signals, calculate a heading offset based on the desired bearing of the swimmer and the actual heading of the swimmer, and provide the heading offset to the direction indicator.

Abstract: Apparatuses, methods and systems for a user monitoring apparatus are disclosed. One embodiment of the user monitoring apparatus includes one or more magnetic sensors operative to sense magnetic fields applied to the user monitoring apparatus. Further, the user monitoring apparatus is operative to sense at least one biometric characteristic of a user of the user monitoring apparatus based upon the sensed magnetic field applied to the user monitoring apparatus.

Abstract: Apparatuses, methods and systems apparatus for sensing an orientation are disclosed. One apparatus includes an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer and a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope. The apparatus further includes a first adaptive filter, the first adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a first orientation (Q) of the apparatus, a second adaptive filter, the second adaptive filter operative to receive at least the sensed acceleration and the sensed orientation of the gyroscope, and generate a second orientation (Q?) of the apparatus, wherein a tuning for the first adaptive filter is different than a tuning for the second adaptive filter.

Abstract: Methods, apparatuses and systems sensed signal processing are disclosed. One apparatus includes a plurality of sensors, code space ROM (read only memory), code space RAM, and data space RAM (random access memory), wherein the data space RAM comprises a reconfigurable pointer table for maintaining a pointer address to instructions of one or more sensor data processing functions within the code space ROM and code space RAM. The apparatus further includes a processor, where the processor operative to receive sensor data from the plurality of sensors, retrieve the one or more sensor data processing functions from the code space ROM and code space RAM as pointed to by the reconfigurable pointer table, and perform processing of the sensor data using the retrieved one or more sensor data processing functions.

Abstract: Apparatuses, methods and systems apparatus for low-power orientation estimation are disclosed. One apparatus includes an accelerometer, wherein the accelerometer generates a sensed acceleration of the accelerometer, a magnetic sensor, wherein the magnetic sensor generates a sensed magnetic field ambient to the magnetic sensor, a gyroscope, wherein the gyroscope generates a sensed orientation of the gyroscope, wherein at least one of the accelerometer, the magnetic sensor and the gyroscope operates at a first sampling rate. The apparatus further includes an adaptive filter. The adaptive filter operates at a second rate to generate an orientation estimate (Q) based on computational processing of at least the sensed acceleration, the sensed magnetic field, and the sensed orientation of the gyroscope, wherein the second rate is different than the first sampling rate.

Abstract: Apparatuses, methods and systems apparatus for automatically updating hard iron and soft iron coefficients of a magnetic sensor of a device are disclosed. One method includes making measurements of a magnetic field by the magnetic sensor during rotations of the device, determining by at least a criterion whether to input the measurements of the magnetic field into a coefficient estimator, calculating, by the coefficient estimator, new hard iron and soft iron coefficients upon receiving the measurements of the magnetic field, determining a quality of the newly calculated hard iron and soft iron calculated coefficients, and updating existing hard iron and soft iron coefficients to the newly calculated hard iron and soft iron coefficients only if the quality of the newly calculated hard iron and soft iron coefficients.

Abstract: Methods, apparatuses and systems of estimating a location of a device are disclosed. One method includes determining a first position of the device, sensing at least one magnetic anomaly at the first position, estimating a location of the magnetic anomaly relative to the first position by determining a plurality of magnetic properties of the magnetic anomaly based on sensed signals of at least a magnetic sensor, and estimating a second position of the device based on a sensed change in a distance from the magnetic anomaly to the device.

Abstract: Methods, apparatuses and systems of estimating a location of a device are disclosed. One method includes determining a first position of the device, sensing at least one magnetic anomaly at the first position, estimating a location of the magnetic anomaly relative to the first position by determining a plurality of magnetic properties of the magnetic anomaly based on sensed signals of at least a magnetic sensor, and estimating a second position of the device based on a sensed change in a distance from the magnetic anomaly to the device.

Abstract: Apparatuses, methods and systems of a magnetic sensor self-characterizing its magnetic properties are disclosed. One embodiment of the magnetic sensor apparatus includes a magnetic sensor and a current source for applying a current to the magnetic sensor. The magnetic sensor apparatus further includes control circuitry configured to control the current source, and characterize a magnetic property of the magnetic sensor based on the applied current. One method of a magnetic sensor self-characterizing its magnetic properties includes applying, by the magnetic sensor, an electrical signal, and characterizing a magnetic property of the magnetic sensor based on the applied electrical signal.

Abstract: Apparatuses, methods and systems for a user monitoring apparatus are disclosed. One embodiment of the user monitoring apparatus includes one or more magnetic sensors operative to sense magnetic fields applied to the user monitoring apparatus. Further, the user monitoring apparatus is operative to sense at least one biometric characteristic of a user of the user monitoring apparatus based upon the sensed magnetic field applied to the user monitoring apparatus.

Abstract: Apparatuses, methods and systems for controlling a view of a virtual world character on a display are disclosed. One apparatus includes a controller, wherein the controller is operative to control translational movement and field of view of a character within a virtual world as rendered on a display based upon a first input and second input. The first input controls the translational movement of the character within the virtual world, and the second input controls the field of view as seen by the character within the virtual world. The video game apparatus further includes a sensor for sensing a spatial position of a user, wherein the sensor provides the first input based on the sensed spatial position of the user.

Abstract: Apparatuses, methods and systems for controlling a view of a virtual world character on a display are disclosed. One apparatus includes a controller, wherein the controller is operative to control translational movement and field of view of a character within a virtual world as rendered on a display based upon a first input and second input. The first input controls the translational movement of the character within the virtual world, and the second input controls the field of view as seen by the character within the virtual world. The video game apparatus further includes a sensor for sensing a spatial position of a user, wherein the sensor provides the first input based on the sensed spatial position of the user.

Abstract: Apparatuses, methods and systems of sensor sampling of a field are disclosed. One apparatus includes a magnetometer that includes a sensor responsive to an applied field. Embodiments of the sensor include an active device and oscillator circuitry, wherein the sensor generates an output signal having a frequency that is dependent on the applied field. The magnetometer further includes a bias reset controller for resetting a bias of the active device and a sampler for sampling the output signal. Further, a reset-rate of the resetting of the bias of the active device is high enough to influence 1/f noise generated by the active device.

Abstract: Apparatuses, methods and systems of sensor sampling of a field are disclosed. One apparatus includes a magnetometer that includes a sensor responsive to an applied field. Embodiments of the sensor include an active device and oscillator circuitry, wherein the sensor generates an output signal having a frequency that is dependent on the applied field. The magnetometer further includes a bias reset controller for resetting a bias of the active device and a sampler for sampling the output signal. Further, a reset-rate of the resetting of the bias of the active device is high enough to influence 1/f noise generated by the active device.

Abstract: Apparatuses, methods and systems of a magnetic sensor self-characterizing its magnetic properties are disclosed. One embodiment of the magnetic sensor apparatus includes a magnetic sensor and a current source for applying a current to the magnetic sensor. The magnetic sensor apparatus further includes control circuitry configured to control the current source, and characterize a magnetic property of the magnetic sensor based on the applied current. One method of a magnetic sensor self-characterizing its magnetic properties includes applying, by the magnetic sensor, an electrical signal, and characterizing a magnetic property of the magnetic sensor based on the applied electrical signal.