Abstract: A capacitance module may include a stack of layers, the stack including a first substrate and at least one capacitance sensing electrode on the substrate. The capacitance module may also include a magnetically conductive, electrically insulating material incorporated into the capacitance module.

Abstract: An apparatus may include a stack of layers, the stack including a shield layer with a first surface, at least one capacitive sensor layer having at least one set of electrodes, which capacitive sensor layer is disposed within a first portion of the stack of layers, where the first portion of the stack of layers is located adjacent to the first surface of the shield layer, and an antenna incorporated in the first portion of the stack of layers.

Abstract: A system for detecting a change in a battery cell may include instructions executable by a processor to determine a baseline profile of a battery cell with a capacitance sensor, detect a changed profile from the baseline profile with the capacitance sensor, match the changed profile with a stored profile where the stored profile is associated with a condition, and classify the battery cell as having the condition associated with the stored profile.

Abstract: A capacitance sensor may be positioned to detect size changes in objects. The sensor may be constructed with to use mutual capacitance or self-capacitance to detect the size changes.

Abstract: A capacitance module may include at least one capacitive sensor layer; an antenna connected to the capacitive sensor layer; and at least one haptic actuator connected to the capacitive sensor layer.

Abstract: Adjusting a cursor speed may include a sensor with at least one capacitance sense electrode, a controller in communication with the sensor, memory in communication with the controller, and programmed instructions stored in the memory and configured, when executed, to cause the capacitance controller to detect movement of an object moving proximate the sensor at an object speed, apply a cursor speed to a cursor depicted in a display based at least in part on a cursor-to-object speed relationship, detect a trigger event in the detected object movement, and change the cursor-to-object speed relationship in response to detecting the trigger event.

Abstract: A portable electronic device may include a battery assembly, a battery swell detection unit in proximity to the battery assembly, the battery swell detection unit includes a circuit, a switch positioned to be moved by swelling of a battery cell, a processor, and memory having programmed instructions that cause the processor, when executed, to detect battery swelling based on a position of the switch.

Abstract: A portable electronic device may include a battery assembly and a battery swell detection unit in proximity to the battery assembly. The battery swell detection unit may include an electrode, a dome made of an electrically conductive material positioned between the battery assembly and the electrode, a processor, and memory having programmed instructions that cause the processor, when executed, to detect battery swelling based on a depression of the dome.

Abstract: Adjusting a cursor speed may include a sensor with at least one capacitance sense electrode, a controller in communication with the sensor, memory in communication with the controller, and programmed instructions stored in the memory and configured, when executed, to cause the capacitance controller to detect movement of an object moving proximate the sensor at an object speed, apply a cursor speed to a cursor depicted in a display based at least in part on a cursor-to-object speed relationship, detect a trigger event in the detected object movement, and change the cursor-to-object speed relationship in response to detecting the trigger event.

Abstract: A portable electronic device may include a battery assembly and a battery swell detection unit in proximity to the battery assembly. The battery swell detection unit may include an electrode, a dome made of an electrically conductive material positioned between the battery assembly and the electrode, a processor, and memory having programmed instructions that cause the processor, when executed, to detect battery swelling based on a depression of the dome.

Abstract: An apparatus includes a stack of layers where the stack has a touch sensor in at least one sensor layer of the stack of layers, the touch sensor having a first set of electrodes and a second set of electrodes, where the first set and the second set are electrically isolated from one another; an antenna in art antenna layer of the stack of layers; and a shield located between the at least one sensor layer and the antenna layer.

Abstract: A portable electronic device may include an electrical resistance sensor and a battery assembly being adjacent to the electrical resistance sensor. The electrical resistance sensor is positioned to be compressed when the battery assembly swells, and the electrical resistance sensor further includes a pressure sensitive material that exhibits a characteristic of changing an electrical conductance when compressed.

Abstract: An apparatus may include an input surface, a plurality of key positions on the input surface, a force sensor positioned underneath the input surface at at least one of the key positions, and a proximity controller in communication with a capacitance measuring circuit incorporated into the apparatus.

Abstract: A system for detecting a change in a battery cell may include instructions executable by a processor to determine a baseline profile of a battery cell with a capacitance sensor, detect a changed profile from the baseline profile with the capacitance sensor, match the changed profile with a stored profile where the stored profile is associated with a condition, and classify the battery cell as having the condition associated with the stored profile.

Abstract: An apparatus may include an input surface, a plurality of key positions on the input surface, a force sensor positioned underneath the input surface at at least one of the key positions, and a proximity controller in communication with a capacitance measuring circuit incorporated into the apparatus.

Abstract: A computing device may include a keyboard, a switch in mechanical communication with an underside of a key arranged in the keyboard, a processor, a transmit line electrically connected to the processor, a sense line electrically connected to the processor, and the transmit line and the sense line are selectively connectable through the switch when the key is depressed, memory in communication with the processor, and programmed instructions stored in the memory that, when executed, cause the processor to identify changes in capacitance from the sense line when the key is not depressed, identify a hand gesture performed proximate the keyboard based on the changes in capacitance, and execute an action based on at least one the identification of the hand gesture.

Abstract: Operating a portable electronic device may include detecting a gesture performed above a capacitance sensing strip that is located between and arrangement of mechanical keys on keyboard assembly and the far side of the keyboard assembly, determining a number of fingers used in the gesture, selecting a mode based on the number of fingers, and executing an action in the selected mode.

Abstract: A portable electronic device may include an electrical resistance sensor and a battery assembly being adjacent to the electrical resistance sensor. The electrical resistance sensor is positioned to be compressed when the battery assembly swells, and the electrical resistance sensor further includes a pressure sensitive material that exhibits a characteristic of changing an electrical conductance when compressed.

Abstract: An apparatus may include an input surface, a plurality of key positions on the input surface, a force sensor positioned underneath the input surface at at least one of the key positions, and a proximity controller in communication with a capacitance measuring circuit incorporated into the apparatus.

Abstract: A computing device may include a keyboard, a switch in mechanical communication with an underside of a key arranged in the keyboard, a processor, a transmit line electrically connected to the processor, a sense line electrically connected to the processor, and the transmit line and the sense line are selectively connectable through the switch when the key is depressed, memory in communication with the processor, and programmed instructions stored in the memory that, when executed, cause the processor to identify changes in capacitance from the sense line when the key is not depressed, identify a hand gesture performed proximate the keyboard based on the changes in capacitance, and execute an action based on at least one the identification of the hand gesture.