Patents Assigned to Parade Technologies, Ltd.
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Patent number: 9547031Abstract: Embodiments of a capacitive sensor array may comprise a plurality of large sensor electrodes and, for each of the large sensor electrodes, a first plurality of small sensor electrodes each capacitively coupled with the large sensor electrode, and each conductively coupled by one of a first set of routing traces to one of a first set of conductors located in a first edge region, and a second plurality of small sensor electrodes capacitively coupled with the large sensor electrode and conductively coupled by a second set of routing traces to a second set of conductors in a second edge region. The first set of routing traces is located in a first routing channel and the second set of routing traces is located in a second routing channel, where the first and second routing channels are located along different sides of the large sensor electrode.Type: GrantFiled: June 13, 2014Date of Patent: January 17, 2017Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Xiaoping Weng, Yingzhu Deng, Benjamin Avery
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Patent number: 9547399Abstract: A processing device configured to induce, during a listening scan of a sense array, an injected touch to produce similar data as would be present during a touch scan of the sense array with a conductive object at a known location on the sense array. The processing device is further configured to compute, using the data, an estimate of a noise metric based on the injected touch.Type: GrantFiled: October 27, 2014Date of Patent: January 17, 2017Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Dana Olson, Andriy Maharyta, Steve Kolokowsky
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Patent number: 9542042Abstract: A method performs a scan operation for a single-layer sensor array that includes transmit (TX) electrodes and receive (RX) electrodes. The method includes determining whether to include a signal value for an RX electrode in a computation of a slope parameter value for a TX electrode. The method computes an index sum based on an index of the RX electrode when the signal value for the RX electrode is included in the computation of the slope parameter value for the TX electrode. The method computes a signal sum based on the signal value for the RX electrode when the signal value for the RX electrode is included in the computation of the slope parameter value for the TX electrode. The method then computes the slope parameter value for the TX electrode based on the signal sum and the index sum.Type: GrantFiled: October 15, 2014Date of Patent: January 10, 2017Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Petro Ksondzyk, Vasyl Mandziy, Igor Kolych, Massoud Badaye
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Patent number: 9529030Abstract: A capacitance sense system can include a capacitance sense input configured to receive an input signal that varies according to a sensed capacitance; an integrator/discharge circuit configured to integrate the input signal and discharge the integrated input signal toward the reference level in conversion operations; and a remainder retainer section configured to quantize the discharging of the integrated input signal, and retain any remainder of the integrated input signal that follows a quantization point for a next conversion by the integrator/discharge circuit.Type: GrantFiled: December 16, 2013Date of Patent: December 27, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Roman Ogirko, Andriy Maharyta, Victor Kremin
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Patent number: 9507454Abstract: A method includes scanning touch sensors to obtain sensor readings; performing jump detection on the sensor readings; and if a jump is detected, calculating at least one virtual position from the sensor readings using a distance to coordinates the precede those of the detected jump.Type: GrantFiled: March 23, 2012Date of Patent: November 29, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventor: Petro Koblyuk
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Patent number: 9494628Abstract: An embodiment of a capacitance measurement circuit may include multiple switches, a first node coupled with a first electrode and coupled with at least a first switch of the multiple switches, and a second node coupled with a second electrode and coupled with at least a second switch of the multiple switches, where the multiple switches are configured to reduce an influence of a self-capacitance of the first electrode and a self-capacitance of the second electrode on an output signal during measurement of a mutual capacitance between the first electrode and the second electrode, and where the multiple switches are configured to reduce an influence of the mutual capacitance on the output signal during measurement of at least one of the self-capacitance of the first electrode and the self-capacitance of the second electrode.Type: GrantFiled: September 25, 2013Date of Patent: November 15, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventor: Andriy Maharyta
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Patent number: 9482559Abstract: System and method for optimizing the consumption of power while maintaining performance in capacitive sensor arrays. A limited sensing area is used to improve the update rate and sensitivity of a row/column array of capacitive sensors. According to one embodiment, a method is provided for scanning a plurality of capacitive sensors by: detecting a stimulus in the field of capacitive sensors, scanning the field of capacitive sensors to determine the position of the stimulus. Once the position of the stimulus is determined, a subsection of the field comprising window corresponding to the position of the stimulus remains activated while the remaining sensors in the field are deactivated.Type: GrantFiled: August 13, 2013Date of Patent: November 1, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventor: Ryan D. Seguine
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Patent number: 9459736Abstract: A method for detecting force applied to a capacitive sensor array and compensating for coordinate inaccuracy due to force includes receiving a plurality of capacitance measurements from the capacitive sensor array, where the plurality of capacitance measurements includes a first capacitance measurement and a second capacitance measurement, and detecting pressure on the capacitive sensor array based on a comparison between the first capacitance measurement and the second capacitance measurement.Type: GrantFiled: April 21, 2011Date of Patent: October 4, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Massoud Badaye, Greg Landry
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Patent number: 9454268Abstract: A method for detecting a magnitude of force applied to a capacitive sensor array may comprise receiving a plurality of capacitance measurements affected by a contact at a touch-sensing surface, and determining a magnitude of a force applied to the touch-sensing surface at a location of the contact based on the location of the contact and a capacitance measurement of the first plurality of capacitance measurements.Type: GrantFiled: September 28, 2011Date of Patent: September 27, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Massoud Badaye, Greg Landry
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Patent number: 9454274Abstract: A touch-sensing apparatus may include a first controller configured to measure a first set of capacitance values from a first area of a touch-sensing surface and a second controller coupled with the first controller, where the second controller is configured to receive the first set of capacitance values from the first controller, and calculate a first position of a contact at the touch-sensing surface based on the first set of capacitance values and a second set of capacitance values measured from a second area of the touch-sensing surface adjacent to the first area of the touch-sensing surface.Type: GrantFiled: August 19, 2014Date of Patent: September 27, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventor: Yohei Kurikawa
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Patent number: 9444452Abstract: Apparatuses and methods of frequency hopping algorithms are described. One method listens to a noise level on multiple electrodes of a sense network at multiple operating frequencies. The method then selects one of the frequencies with a lowest noise level for scanning the electrodes to detect a conductive object proximate to the electrodes.Type: GrantFiled: March 26, 2012Date of Patent: September 13, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Petro Ksondzyk, Dennis Wavomba
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Patent number: 9442146Abstract: An apparatus for and a method of sensing capacitance of one or more sensor elements in multiple capacitance sensing modes, including a self-capacitance sensing mode and a mutual capacitance sensing mode.Type: GrantFiled: October 14, 2014Date of Patent: September 13, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Viktor Kremin, Andriy Maharyta
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Patent number: 9430983Abstract: A system and method are disclosed to control the power consumption of column drivers in a display system. A video input signal is received which has an active video period and a vertical blanking period between frames. A timing controller transmits a first video frame to a column driver. The timing controller transmits a column driver disable command during a vertical blanking period. Prior to the subsequent active video period, the timing controller transmits a column driver enable command. The timing controller proceeds to transmit a second video frame to the column driver. In one embodiment, the timing controller determines whether to disable and enable the column driver based on a refresh rate, the refresh rate calculated by the timing controller from the video input signal.Type: GrantFiled: February 20, 2015Date of Patent: August 30, 2016Assignee: Parade Technologies, Ltd.Inventors: Ming Qu, Zhengyu Yuan, Qing Yu, Xin Jin
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Patent number: 9423427Abstract: In an example embodiment, an apparatus includes a sensing device. The sensing device includes circuitry configured to sense self-capacitance and circuitry configured to sense mutual-capacitance, each configured to detect capacitance values corresponding to whether an object is proximate to a touch screen. The sensing device is configured to measure a first capacitance value using the self-capacitance circuitry during self-capacitance sensing operations and to measure a second capacitance value using the mutual-capacitance circuitry during mutual-capacitance sensing operations.Type: GrantFiled: March 10, 2014Date of Patent: August 23, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventor: Andriy Maharyta
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Patent number: 9417728Abstract: 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.Type: GrantFiled: May 12, 2014Date of Patent: August 16, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: David G. Wright, Steven Kolokowsky, Edward L. Grivna
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Patent number: 9418607Abstract: A system and method are disclosed to utilize Gray code in order to reduce the power consumption of column drivers in a display system. Binary source data is received from a timing controller. A Gray code digitizer converts and encodes the binary source data into a binary portion of data and a Gray code data. The binary portion data and the Gray code data are transmitted through a shift register to a digital-to-analog converter. The shift register consumes less power processing the converted binary portion of data and Gray code data than the corresponding binary source data. The digital-to-analog converter decodes the Gray code and generates corresponding gamma voltage levels for display use.Type: GrantFiled: August 7, 2013Date of Patent: August 16, 2016Assignee: Parade Technologies, Ltd.Inventors: Ta-Tao Hsu, Quan Yu, Yueh-Lin Yang
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Patent number: 9417750Abstract: A method can include determining multiple sensed positions of an object path in a touch sense region; generating at least a first predicted position from the sensed positions; and filtering a sense position, including associating the sense position with the object path if it is within a first proximity to at least the first predicted position, and not associating the sense position with the object path if it is outside of at least the first proximity from the first predicted position.Type: GrantFiled: December 21, 2015Date of Patent: August 16, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Oleh Slezinskyy, Viktor Kremin
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Patent number: 9411928Abstract: Apparatuses and methods of frequency hopping algorithms are described. One method monitors a signal on one or more electrodes of a sense network at a first operating frequency and detects noise in the signal at the first operating frequency. The method then switches to a second operating frequency, based on said detecting, for scanning the electrodes to detect a conductive object proximate to the plurality of electrodes, wherein a constant integration time is used for one half-period when scanning the electrodes at both the first and second operating frequencies.Type: GrantFiled: November 7, 2012Date of Patent: August 9, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Oleksandr Karpin, Milton Ribeiro, Volodymyr Bihday, Roman Ogirko, Andriy Maharyta, Igor Kolych
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Patent number: 9411462Abstract: A stylus having a transmit drive circuit configured to transmit a signal to a capacitance sensor via capacitive coupling between the stylus and a capacitive sense array which is coupled to the capacitance sensor, which is configured to synchronize to the stylus, the stylus being configured to act as a timing master.Type: GrantFiled: July 22, 2013Date of Patent: August 9, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: David G. Wright, Darrin Vallis
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Patent number: 9411477Abstract: A method for configuring a touchscreen controller may include identifying a model of a touchscreen by measuring a capacitance or resistance of at least one element integrated in the touchscreen, identifying the model of the touchscreen based on the measured capacitance or resistance, and configuring the touchscreen controller based on the identified model of the touchscreen.Type: GrantFiled: March 7, 2014Date of Patent: August 9, 2016Assignee: PARADE TECHNOLOGIES, LTD.Inventors: Patrick N Prendergast, Erik Anderson