MATRIX SENSOR FOR IMAGE TOUCH SENSING
Granted: October 15, 2015
Application Number:
20150293643
Embodiments described herein include an input device, a display device having a capacitive sensing device, a processing system and a method for detecting presence of an input object using a capacitive sensing device. In one embodiment, an input device includes a plurality of sensor electrodes arranged in a planar matrix array. Each sensor electrode is coupled to unique routing trace and has an identical geometric plan form that is symmetrical about a center of area of the sensor…
MATRIX SENSOR FOR IMAGE TOUCH SENSING
Granted: October 15, 2015
Application Number:
20150293642
Embodiments described herein include an input device, a display device having a capacitive sensing device, a processing system and a method for detecting presence of an input object using a capacitive sensing device. In one embodiment, an input device includes a plurality of sensor electrodes arranged in a planar matrix array. Each sensor electrode is coupled to unique routing trace and has an identical geometric plan form that is symmetrical about a center of area of the sensor…
DRIVE CAPACITY CONTROL FOR DISPLAY PANEL DRIVER AND DISPLAY DEVICE
Granted: October 1, 2015
Application Number:
20150279297
A display device includes a display panel; and a driver. The display panel includes: first to third interconnections extended in a first direction, each having a first end connected to the driver; subpixels connected to the first interconnection and used for image display; and a bridge interconnection connecting the second and third interconnections at a second end of each of the second and third interconnections, the second end being located away from the driver. The driver includes: a…
SERRATED INPUT SENSING INTERVALS
Granted: October 1, 2015
Application Number:
20150277650
Embodiments of the present disclosure provide a technique for input sensing using an input device having a display device with an integrated sensing device. Input sensing is performed over a long sensing interval to attain narrow-band filtering, and is temporarily suspended for short intervals (within the long sensing interval) to refresh the row selection logic of the display device.
ADAPTIVE TOUCH SENSING ELECTRODE
Granted: October 1, 2015
Application Number:
20150277648
Techniques for varying aggregate area of a sensor electrode used for capacitive sensing. Sensor electrodes are driven for capacitive sensing. Resulting signals are received from the sensor electrodes. Based on signal strengths of the resulting signals, aggregate area of the sensor electrodes may be varied. The aggregate area of the sensor electrodes may be varied by connecting or disconnecting segments of the sensor electrodes from a sensor module that drives the sensor electrodes for…
METHOD AND SYSTEM FOR LOW GROUND MASS CORRECTION
Granted: October 1, 2015
Application Number:
20150277619
A processing system for an input device includes a sensor module coupled to first sensor electrodes and second sensor electrodes. The sensor module includes sensor circuitry and is configured to acquire mutual capacitive measurements between the first sensor electrodes and the second sensor electrodes, and acquire absolute capacitive measurements of the first sensor electrodes and the second sensor electrodes. The processing system further includes a determination module configured to…
LOW GROUND MASS CORRECTION MECHANISM
Granted: October 1, 2015
Application Number:
20150277618
A processing system for an input device includes a sensor module coupled to sensor electrodes. The sensor module includes sensor circuitry and configured to acquire first capacitive measurements when the input device is in a first state, and acquire second capacitive measurements when the input device is in a second state. The second state has an increased ground as compared to the first state. The processing system further includes a determination module configured to determine…
DEVICE AND METHOD FOR LOCALIZED FORCE SENSING
Granted: September 24, 2015
Application Number:
20150268784
A device and method for operating a capacitive touch screen input device configured to sense input objects and their applied force in a sensing region, the device including a pliable component having an input surface and characterized by a bending stiffness, and first and second arrays of sensor electrodes. The input device further includes a third array of sensor electrodes and a spacing layer disposed between the third array. The pliable component is characterized by a compressive…
FLEXIBLE PROCESSING MODULE FOR DIFFERENT INTEGRATED TOUCH AND DISPLAY CONFIGURATIONS
Granted: September 24, 2015
Application Number:
20150268759
Embodiments described herein include a processing system for a display device comprising an integrated capacitive sensing device that includes at least one input/output pad that is selectable between providing source signals to the display device and operating a sensor electrode for capacitive sensing. Other embodiments include a display device having a capacitive sensing device, an input device having an integrated display and capacitive sensing device, and a method for operating an…
COMBINED CAPACITIVE SENSING
Granted: September 17, 2015
Application Number:
20150261377
A processing system comprises a sensor module and a determination module. The sensor module comprises sensing circuitry coupled to sensor electrodes of a sensor electrode pattern. The sensor module is configured to: drive a modulated signal onto a first sensor electrode of the sensor electrode pattern; receive first resulting signals from the first sensor electrode; and receive second resulting signals from a second sensor electrode of the sensor electrode pattern. The second resulting…
ABSOLUTE CAPACITIVE SENSING USING SENSOR ELECTRODE PRE-EMPHASIS
Granted: September 17, 2015
Application Number:
20150261341
A processing system comprises a sensor module and a determination module. The sensor module is configured to drive a modulated signal on to a sensor electrode to achieve a target voltage on the sensor electrode during a first portion of a sensing cycle, wherein the modulated signal comprises a first voltage that is beyond a level of the target voltage and which is driven for a first period of time and a second voltage that is at the target voltage and which is driven for a second period…
INPUT DEVICE WITH FORCE SENSING
Granted: August 13, 2015
Application Number:
20150227256
Devices and methods are provided that facilitate improved input device performance. The devices and methods utilize a first substrate with proximity sensor electrodes and at least a first force sensor electrode disposed on the first substrate. A second substrate is physically coupled to the first substrate, where the second substrate comprises a spring feature and an electrode component. The electrode component at least partially overlaps the first force sensor electrode to define a…
SENSOR MATRIX PAD FOR PERFORMING MULTIPLE CAPACITIVE SENSING TECHNIQUES
Granted: August 13, 2015
Application Number:
20150227229
Embodiments in the present disclosure use various individual electrodes in a capacitive sensing pixel of an electrode matrix to perform two different techniques of capacitive sensing. For example, a capacitive sensing pixel may include at least two sensor electrodes that may be driven different by a processing system depending on the current capacitive technique being used to user interaction. When performing absolute capacitive sensing, a first one of the sensor electrodes may be driven…
CAPACITIVE SENSOR DRIVING TECHNIQUE THAT ENABLES HYBRID SENSING OR EQUALIZATION
Granted: August 13, 2015
Application Number:
20150226871
Embodiments described herein include an input device that drives an equalization signal onto an electrode that may be capacitively coupled to a sensor electrode used for capacitive sensing. The equalization signal may include a plurality of pulses that are synchronized to be out of phase with a capacitive sensing signal driven on the sensor electrode. For example, as the capacitive sensing signal transitions from a low voltage to a high voltage, the equalization signal transitions from a…
NEGATIVE VOLTAGE FEEDBACK GENERATOR
Granted: August 6, 2015
Application Number:
20150220093
Embodiments of the invention generally provide an device that regulates a negative output voltage from a power supply using a positive representation of the negative output voltage. To convert the negative voltage to a positive voltage, the device changes the negative voltage into a current using, for example, a current generator that outputs a current corresponding to the negative voltage received from the power supply. This current is then transferred from the negative voltage domain…
MITIGATING ELECTRODE INTERFERENCE IN AN INTEGRATED INPUT DEVICE
Granted: July 9, 2015
Application Number:
20150193041
Embodiments of the present invention generally provide an integrated input device. The integrated input device includes a plurality of sensor electrode sets including a plurality of common electrode sets, a plurality of gate electrodes, and a gate selector. A processing system is configured to drive the sensor electrode sets for capacitive sensing during a plurality of sensing periods and update display lines by driving the common electrode sets during display update periods. A sensor…
TRANSCAPACITIVE SENSOR USING TRANSMIT ON GATE LINES
Granted: June 25, 2015
Application Number:
20150177869
Capacitive sensing is performed in an input device having an input sensor and associated display device using gate lines of the display device. A transmitter signal having a negative pulse is used to safely transmit a transcapacitive transmitter signal while not opening any of the access transistors in the display device.
ACTIVE PEN FOR MATRIX SENSOR
Granted: June 25, 2015
Application Number:
20150177868
A capacitive sensing device detects the presence of an actively modulated input object, such as an active pen, using a matrix of sensor electrodes. The capacitive sensing device include receiver channels configured to perform capacitive sensing of the active pen based on one frequency, and other receiver channels configured to perform capacitive sensing of other input objects based on another frequency. The receiver channels for sensing the active pen may be multiplexed across the matrix…
METHOD AND SYSTEM FOR GESTURE IDENTIFICATION
Granted: May 28, 2015
Application Number:
20150145774
A method for gesture identification includes determining a first gesture is performed on a surface sensing region. The first gesture includes at least one input object. The method further includes determining a first action corresponding to the first gesture, and issuing, based on performing the first gesture, a first report reporting the first gesture and the first action. The method further includes determining, within a first predefined length of time subsequent to performing the…
COMPLEX WAKEUP GESTURE FRAMEWORK
Granted: May 28, 2015
Application Number:
20150149801
A processing system for sensing includes a sensor module including sensor circuitry coupled to sensor electrodes, the sensor module configured to generate sensing signals received with the sensor electrodes. The processing system further includes a determination module that is configured to determine, from the sensing signals, a positional information for a gesture while a host device is in low power mode, determine, based on the positional information and while the host device is in the…
