Abstract: Apparatuses and methods of sense arrays with interleaving sense elements are described. One capacitive-sense array includes a repeating pattern having a first conductive element with a first polygon shape and a first width defined along a second axis that is perpendicular to the first axis; a second conductive element having a second polygon shape and a second width defined along a third axis that is perpendicular to the first axis and parallel to the second axis; a third conductive element having the first polygon shape and the first width defined along a fourth axis that is perpendicular to the first axis and parallel to the second axis; and a fourth conductive element having the second polygon shape and the second width defined along a fifth axis that is perpendicular to the first axis and parallel to the second axis.

Abstract: A capacitive sensor array may include a plurality of row sensor electrodes and a column sensor electrode capacitively coupled with each of the plurality of row sensor electrodes to form a plurality of unit cells. For each row sensor electrode, a unit cell that is associated with the column sensor electrode and the row sensor electrode comprises an area where a capacitance between the column sensor electrode and the row sensor electrode is greater than any other capacitance between the column sensor electrode and a different row sensor electrode. The capacitive sensor array further includes a first plurality of dummy electrodes, where each of the first plurality of dummy electrodes is capacitively coupled with the column sensor electrode and two adjacent row sensor electrodes of the plurality of row sensor electrodes.

Abstract: Techniques for designs of single-layer touch sensors are described herein. In an example embodiment, a device comprises a sensor array. The sensor array comprises first plurality of electrodes and second plurality of electrodes that are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the sensor array. A first electrode (of the first or second plurality) comprises at least two shaped portions. The two shaped portions may be disposed across at least a portion of a given second electrode from each other, or may be disposed between two or more portions of the given second electrode. The two shaped portions of the first electrode are routed in different directions on the substrate and are coupled to each other outside of the touch-sensing area of the sensor array.

Abstract: Stylus tip configurations may reduce shadow effect of the stylus tip on capacitance measurements by reducing capacitive coupling between undesired portions of the stylus tip and the capacitive sensing surface. Additionally signal-to-noise ratio (SNR) of a stylus on a plurality of capacitance sensing electrodes may be improved by reducing the self capacitance between the stylus tip and the receive electrodes of a mutual capacitance touch screen.

Abstract: Apparatuses and methods of equalizing mutual capacitances of sense arrays using inactive electrodes disposed between or within transmit (TX) electrodes and aligned in relation to the receive (RX) electrodes.

Abstract: Apparatuses and methods of sense arrays with interleaving sense elements are described. One capacitive-sense array includes a repeating pattern of conductive elements disposed along a first axis. The repeating pattern includes a first conductive element comprising a first polygon shape with a first width defined along a second axis that is perpendicular to the first axis and a second conductive element that is electrically coupled to and co-planar with the first conductive element. The second conductive element includes a second polygon shape with a second width defined along a third axis that is perpendicular to the first axis and parallel to the second axis. The repeating pattern also includes third and fourth conductive elements that are electrically coupled to and co-planar with the first and second conductive elements. The third conductive element includes the first shape and the fourth conductive element includes the second shape.

Abstract: Stylus tip configurations may reduce shadow effect of the stylus tip on capacitance measurements by reducing capacitive coupling between undesired portions of the stylus tip and the capacitive sensing surface. Additionally signal-to-noise ratio (SNR) of a stylus on a plurality of capacitance sensing electrodes may be improved by reducing the self capacitance between the stylus tip and the receive electrodes of a mutual capacitance touch screen.

Abstract: Apparatuses and methods of field-line repeater structures for sense arrays are described. One apparatus includes a substrate, a capacitive-sense array with electrodes disposed on one or more sides of the substrate in one or more layers and a protective cover layer disposed to cover the capacitive-sense array. A coating film is disposed over the protective cover layer and a field-line repeater (FLR) structure of floating electrodes is disposed between the coating film and the protective cover layer.

Abstract: Apparatuses and methods of field-line repeater structures for sense arrays are described. One apparatus includes a substrate, a capacitive-sense array with electrodes disposed on one or more sides of the substrate in one or more layers and a protective cover layer disposed to cover the capacitive-sense array. A coating film is disposed over the protective cover layer and a field-line repeater (FLR) structure of floating electrodes is disposed between the coating film and the protective cover layer.

Abstract: Apparatuses and methods of sense arrays with interleaving sense elements are described. One capacitive-sense array includes a first electrode and a second electrode disposed adjacent to the first electrode in a first axis. The capacitive-sense array comprises a sensor pitch in the first axis. The first electrode includes a first sense element including a first shape and a first interleaving sense element that interleaves with a first portion and a second portion of the second electrode to extend a first dimension of the first electrode to be greater than the sensor pitch in the first axis. The second electrode includes a second sense element including the first shape and a second interleaving sense element that interleaves with a first portion and a second portion of the first electrode to extend a second dimension of the second electrode to be greater than the sensor pitch in the first axis.

Abstract: Apparatuses and methods of sense arrays with non-uniform patterns are described. One capacitive-sense array includes a first set of electrodes and a second set of electrodes. The first set of electrodes intersect the second set of electrodes to form a unit cells each corresponding to an intersection of a pair of electrodes comprising one electrode from the first set and one electrode from the second set. At one of the second set of electrodes includes a non-uniform conductive pattern including a first region being located at the intersection of the respective unit cell and a distal region being at a location within the respective unit cell that is farther away from the intersection than the first region. The first region includes a first conductive surface area and the distal region includes a second conductive surface area that is greater than the first conductive surface area.

Abstract: Techniques for designs of single-layer touch sensors are described herein. In an example embodiment, a device comprises a sensor array. The sensor array comprises first plurality of electrodes and second plurality of electrodes that are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the sensor array. A first electrode (of the first or second plurality) comprises at least two shaped portions. The two shaped portions may be disposed across at least a portion of a given second electrode from each other, or may be disposed between two or more portions of the given second electrode. The two shaped portions of the first electrode are routed in different directions on the substrate and are coupled to each other outside of the touch-sensing area of the sensor array.

Abstract: A capacitive sensor array may include a first set of sensor electrodes and a second set of sensor electrodes. Each of the second set of sensor electrodes may intersect each of the first set of sensor electrodes to form a plurality of unit cells each corresponding to a pair of sensor electrodes including one of the first set of sensor electrodes and one of the second set of sensor electrodes. Each point within each of the plurality of unit cells may nearer to a gap between the pair of sensor electrodes corresponding to the unit cell than to a gap between any different pair of sensor electrodes, and a first trace pattern within a first unit cell of the plurality of unit cells may be different from a second trace pattern within an adjacent unit cell of the plurality of unit cells.

Abstract: An electrical-energy storage device configured for use in a time-varying electromagnetic field, the storage device comprising: an electrode at least part of which is configured so as to hinder the ability of eddy currents induced by said field to circulate therein.