Abstract: A device acquires first sense data representing first electrical signals sensed from a first subset of a plurality of sensors of a touch surface. The device acquires second sense data representing second electrical signals sensed from a second subset of the plurality of sensors. The device detects a first set of one or more touches based on the first sense data and the second sense data. After the acquiring of the first sense data, the device acquires third sense data representing third electrical signals sensed from the first subset of the plurality of sensors; and detects a second set of one or more touches at the touch surface based on the second sense data and the third sense data.

Abstract: A device acquires first sense data representing first electrical signals sensed from a first subset of a plurality of sensors of a touch surface. The device acquires second sense data representing second electrical signals sensed from a second subset of the plurality of sensors. The device detects a first set of one or more touches based on the first sense data and the second sense data. After the acquiring of the first sense data, the device acquires third sense data representing third electrical signals sensed from the first subset of the plurality of sensors; and detects a second set of one or more touches at the touch surface based on the second sense data and the third sense data.

Abstract: An apparatus and method for providing an active feedback of a position of a conductive object, manipulated by a user on a sensing device, to allow detection of a reference location on the sensing device by the user. The apparatus may include a sensing device to detect a presence of a conductive object, manipulated by a user on the sensing device, a processing device coupled to the sensing device, the processing device to determine a position of the conductive object on the sensing device, and a feedback mechanism coupled to the processing device to provide an active feedback to the user to allow detection of a reference location on the sensing device by the user.

Abstract: An apparatus includes a contact grid array disposed on a substrate in a non-orthogonal row-column format with connection elements arranged in a hexagonal configuration. The contact grid array has an orientation based, at least in part, on an area available for the contact grid array on the substrate. A method to determine the orientation of the contact grid array includes identifying the area available for a contact grid array on a substrate and determining the orientation for the contact grid array based, at least in part, on the area available for the contact grid array on the substrate.

Abstract: A method for locating a conductive object at a touch-sensing surface may include detecting a first resolved location for the conductive object at the touch-sensing surface based on a first scan of the touch-sensing surface, predicting a location for the conductive object, and determining a second resolved location for the conductive object by performing a second scan of a subset of sensor electrodes of the touch-sensing surface, wherein the subset of sensor electrodes is selected based on the predicted location of the conductive object.

Abstract: A touch sensing system and methods of operating the same for pipelined conversions are provided. In one embodiment, the method includes: (i) configuring a capacitive sensing system including a plurality of capacitive sensing elements for a first conversion; (ii) sensing capacitance in the capacitive sensing elements, and converting the capacitance sensed in the capacitive sensing elements to a digital, first conversion result; and (iii) while converting the capacitance sensed to the first conversion result, configuring the capacitive sensing system. In another embodiment, the capacitive sensing system includes a plurality of channels, and sensing capacitance and converting the capacitance sensed to the first conversion result includes integrating analog signals from the capacitive sensing elements for one of the plurality of channels while converting the integrated signal for another of the plurality of channels to a digital subconversion result.

Abstract: A method and apparatus scan a device at a first scanning rate and a second scanning rate, detect a first portion of a gesture through scanning at the first scanning rate, and detect a second portion of the gesture through scanning at the second scanning rate. The method and apparatus recognize the gesture based on the detected first portion of the gesture and the detected second portion of the gesture.

Abstract: An embodiment of a capacitive touch screen may comprise a display device comprising a substantially transparent substrate, a first plurality of electrodes attached to the substantially transparent substrate, wherein the first plurality of electrodes are substantially parallel in a first direction, and a second plurality of electrodes, wherein each of the second plurality of electrodes is capacitively coupled with each of the first plurality of electrodes.

Abstract: An apparatus and method for providing an active feedback of a position of a conductive object, manipulated by a user on a sensing device, to allow detection of a reference location on the sensing device by the user. The apparatus may include a sensing device to detect a presence of a conductive object, manipulated by a user on the sensing device, a processing device coupled to the sensing device, the processing device to determine a position of the conductive object on the sensing device, and a feedback mechanism coupled to the processing device to provide an active feedback to the user to allow detection of a reference location on the sensing device by the user.

Abstract: A method and apparatus to couple a piece of electret material to a touch-sensor device stylus, where the electret material emits an electrostatic field to be sensed by a touch-sensor device.

Abstract: A capacitance sensing system can filter noise that presents in a subset of electrodes in the proximity of a sense object (i.e., finger). A capacitance sensing system can include a sense network comprising a plurality of electrodes for generating sense values; a noise listening circuit configured to detect noise on a plurality of the electrodes; and a filtering circuit that enables a filtering for localized noise events when detected noise values are above one level, and disables the filtering for localized noise events when detected noise values are below the one level.

Abstract: An apparatus includes a selection device to select a spreading profile from a plurality of spreading profiles, and an oscillation device to generate clock signals having different frequencies over time based on the selected spreading profile. A method includes selecting a spreading profile from a plurality of spreading profiles, and generating clock signals having different frequencies over time based on the selected spreading profile.

Abstract: An integrated circuit (IC) device can include a serial communication first interface (I/F) circuit electrically coupled to first physical connections of the IC device, and configured to respond to communication signals received at the first physical connections; at least one serial communication second interface (I/F) circuit electrically coupled to second physical connections of the IC device, and configured to enable data transactions over the second physical connections; and a repeater circuit configured to bypass the first I/F circuit and enable serial communication signals to be transmitted from the first physical connections to the second physical connections. Systems including such an IC device and related methods are also disclosed.

Abstract: A method for locating a conductive object at a touch-sensing surface may include detecting a first resolved location for the conductive object at the touch-sensing surface based on a first scan of the touch-sensing surface, predicting a location for the conductive object, and determining a second resolved location for the conductive object by performing a second scan of a subset of sensor electrodes of the touch-sensing surface, wherein the subset of sensor electrodes is selected based on the predicted location of the conductive object.

Abstract: Apparatuses and methods for detecting interaction of a user with a sensor array disposed on the wall of a protrusion from the surface of a control panel of a device that physically resembles a mechanical knob protruding from the surface of the control panel of the device. The method may include receiving a plurality of signals from the sensor array and detecting interaction of a user with the sensor array based on the plurality of signals.

Abstract: A method for locating a conductive object at a touch-sensing surface may include detecting a first resolved location for the conductive object at the touch-sensing surface based on a first scan of the touch-sensing surface, predicting a location for the conductive object, and determining a second resolved location for the conductive object by performing a second scan of a subset of sensor electrodes of the touch-sensing surface, wherein the subset of sensor electrodes is selected based on the predicted location of the conductive object.

Abstract: A method for locating a conductive object at a touch-sensing surface may include detecting a first resolved location for the conductive object at the touch-sensing surface based on a first scan of the touch-sensing surface, predicting a location for the conductive object, and determining a second resolved location for the conductive object by performing a second scan of a subset of sensor elements of the touch-sensing surface, wherein the subset of sensor elements is selected based on the predicted location of the conductive object.

Abstract: A touch screen is described. The touch screen is configured to have an array of conductive, optically transmissive sensor elements coupled to sensor circuitry. The sensor elements are disposed over a display to have a single layer of conductive, optically transmissive material positioned over pixels of the display.

Abstract: Devices including an audio mechanism and a processing device coupled to display on-screen buttons on a touch-screen display are described. The processing device is configured to detect a conductive object proximate to the touch-screen display and to determine a position of the conductive object on the touch-screen display. The processing device is configured to provide different sounds via the audio mechanism for different ones of the on-screen buttons when the position of the conductive object is determined within the different on-screen buttons to allow detection of a reference location on the touch-screen display.

Abstract: An apparatus and a method for resolving locations of two or more substantially simultaneous touches on a split touch-sensor device. The method may include detecting multiple substantially simultaneous touches on a touch-sensor device having multiple sections in at least one dimension of the touch-sensor device, and resolving locations of the multiple substantially simultaneous touches on the touch-sensor device without an all-points-addressable (APA) array. Resolving the multiple locations includes resolving a first location in a first section of the multiple sections and resolving a second location in a second section that is adjacent to the first section of the touch-sensor device. The apparatus may include a first set of sensor elements disposed in a first axis in a plane of a touch-sensor device, and a second set of sensor elements and a third set of sensor elements disposed in a second axis in the plane.