Abstract: A system for repeatably mounting an image sensor to a grid ceiling comprising: a mounting member defining an upper face; a set of magnets fixed to the upper face and characterized by a height greater than a protrusion distance of the outer surface of a ceiling tile of the grid ceiling below a grid segment of the grid ceiling; a detachable registration feature transiently coupled to the mounting member, configured to align with the grid ceiling while the set of magnetics are magnetically coupled to the grid ceiling, configured to adhere to the grid ceiling while the set of magnets are magnetically coupled to the grid ceiling, and configured to detach from the upper face and remain adhered to the grid ceiling in response to vertical displacement of the mounting member away from the grid ceiling.

Abstract: A method and/or system configured to select state estimator operation settings based on one or more system inputs; and determine a battery state of a battery, based on sensor measurements associated with the battery, using a state estimator operating under the state estimator operation settings.

Abstract: A method and/or system configured to select state estimator operation settings based on one or more system inputs; and determine a battery state of a battery, based on sensor measurements associated with the battery, using a state estimator operating under the state estimator operation settings.

Abstract: A system for repeatably mounting an image sensor to a grid ceiling comprising: a mounting member defining an upper face; a set of magnets fixed to the upper face and characterized by a height greater than a protrusion distance of the outer surface of a ceiling tile of the grid ceiling below a grid segment of the grid ceiling; a detachable registration feature transiently coupled to the mounting member, configured to align with the grid ceiling while the set of magnetics are magnetically coupled to the grid ceiling, configured to adhere to the grid ceiling while the set of magnets are magnetically coupled to the grid ceiling, and configured to detach from the upper face and remain adhered to the grid ceiling in response to vertical displacement of the mounting member away from the grid ceiling.

Abstract: A system or method for determining a battery state can include generating a set of models based on a measured response of a plurality of batteries to an applied load, measuring battery properties of a battery, and using a state estimator to determine a battery state associated with a battery.

Abstract: A system or method for determining a battery state can include generating a set of models based on a measured response of a plurality of batteries to an applied load, measuring battery properties of a battery, and using a state estimator to determine a battery state associated with a battery.

Abstract: A system or method for determining a battery state can include receiving a set of sensor measurements; determining the battery state using a state estimator collocated with the battery; and determining parameters used by the state estimator using a second state estimator operating on a processor remote from the battery.

Abstract: A method and/or system configured to select state estimator operation settings based on one or more system inputs; and determine a battery state of a battery, based on sensor measurements associated with the battery, using a state estimator operating under the state estimator operation settings.

Abstract: A system or method for determining a battery state can include generating a set of models based on a measured response of a plurality of batteries to an applied load, measuring battery properties of a battery, and using a state estimator to determine a battery state associated with a battery.

Abstract: A system or method for determining a battery state can include characterizing a response of a plurality of batteries to an applied load, generating a set of models based on the response of the plurality of batteries to the applied load, measuring battery properties of a battery using a sensor, and using a state estimator to determine a battery state associated with a battery.

Abstract: A system or method for determining a battery state can include updating a battery model associated with a battery, wherein updates for the battery model can be determined by a processor collocated with the battery and/or a remote computing system, wherein the battery model is used by a state estimator to determine a battery state for the battery.

Abstract: A system or method for determining a battery state can include characterizing a response of a plurality of batteries to an applied load, generating a set of models based on the response of the plurality of batteries to the applied load, measuring battery properties of a battery using a sensor, and using a state estimator to determine a battery state associated with a battery.

Abstract: A thermostat may include a plurality of heat-generating components; a plurality of first temperature sensors, each of the plurality of first temperature sensors being disposed next to a corresponding one of the plurality of heat-generating components; a second temperature sensor that is disposed away from the plurality of heat-generating components; and a memory device storing a coefficient matrix. The thermostat may also include one or more processors that combine a plurality of inputs to calculate an ambient temperature for an enclosure in which the thermostat is installed, the plurality of inputs including readings from the plurality of first temperature sensors, readings from the second temperature sensor, and the coefficient matrix.

Abstract: According to one embodiment, a thermostat includes a main body, a rotatable input component that is rotatably coupled with the main body, and a rotation detection system that is configured to sense user rotation of the rotatable input component. The rotatable input component is configured to be rotated by a user to enable the user to provide input to the thermostat. The rotation detection system includes a magnetic component that is positioned on an inner surface of the rotatable input component and that is magnetized so as to have a plurality of alternating north and south magnetic regions. The rotation detection system also includes a sensor that is positioned adjacent the magnetic component. The sensor is configured to detect polarity changes as the rotatable input component and magnetic component are rotated relative to the sensor.

Abstract: A smart-home device may include a user interface having a first operating mode and a second operating mode, and a four-channel thermopile. A processing system may be programmed to receive an indication of a user presence near the smart-home device from the thermopile, and determine a motion signature based on the responses from the thermopile. The processing system may also be programmed to process the determined motion signature to determine the presence of a condition warranting user interface entry into the first mode from the second mode, and cause the user interface to transition from the first mode to the second mode based on the determined motion signature.

Abstract: A thermostat may include a proximity sensor and a temperature sensor. The thermostat may also include a sensor mount assembly containing the proximity sensor, the temperature sensor, and a first alignment feature. The thermostat may additionally include a lens assembly having a first area, a second area, and a second alignment feature, where the second area includes a Fresnel lens, and the first area is thinner than the second area. The thermostat may further include a front cover where the outward-facing surface of the lens assembly is shaped to continuously conform to a curvature of the front cover.

Abstract: According to one embodiment, a thermostat includes a main body, a rotatable input component that is rotatably coupled with the main body, and a rotation detection system that is configured to sense user rotation of the rotatable input component. The rotatable input component is configured to be rotated by a user to enable the user to provide input to the thermostat. The rotation detection system includes a magnetic component that is positioned on an inner surface of the rotatable input component and that is magnetized so as to have a plurality of alternating north and south magnetic regions. The rotation detection system also includes a sensor that is positioned adjacent the magnetic component. The sensor is configured to detect polarity changes as the rotatable input component and magnetic component are rotated relative to the sensor.

Abstract: A thermostat may include a user interface having a first operating mode and a second operating mode, and a first proximity sensor configured to detect a user presence within a first range, the first proximity sensor comprising a plurality of channels comprising a left channel and a right channel, the right channel producing a response when a user presence is detected to the right of the thermostat, and the left channel producing a response when a user presence is detected to the left of the thermostat. A processing system may be programmed to receive an indication of a user presence within the first range from the first proximity sensor, the indication of the user presence being associated with responses from a plurality of the channels of the first proximity detector, and determine a motion signature based on the responses from the plurality of the channels of the first proximity detector.

Abstract: A thermostat may include a proximity sensor and a temperature sensor. The thermostat may also include a sensor mount assembly containing the proximity sensor, the temperature sensor, and a first alignment feature. The thermostat may additionally include a lens assembly having a first area, a second area, and a second alignment feature, where the second area includes a Fresnel lens, and the first area is thinner than the second area. The thermostat may further include a front cover where the outward-facing surface of the lens assembly is shaped to continuously conform to a curvature of the front cover.

Abstract: A deivce may include a user interface configured to display at least a first graphical display and a second graphical display, a first proximity sensor having a first responsive range, and a second proximity sensor having a second responsive range. A processing system may be programmed to control the user interface by receiving an indication of a user presence within the second responsive range from the second proximity sensor while not receiving an indication of a user presence within the first responsive range from the first proximity sensor and causing the user interface to display the second graphical display. The processing system may also be programmed to receive an indication of a user presence within the first responsive range from the first proximity sensor and an indication of the user presence within the second responsive range from the second proximity sensor and cause the user interface to transition from the second graphical display to the first graphical display.