Patents Examined by Michael Pervan
  • Patent number: 11474642
    Abstract: A touch-sensitive display device comprises a touch sensitive-display including display electrodes configured to detect proximity of input objects to the touch-sensitive display. A touch controller is configured to determine a two-dimensional position of a stylus touch input based on information from the plurality of display electrodes. An indication of a tilt angle and an azimuthal angle of the stylus is received. A touch restriction region is defined based at least on the two-dimensional position of the stylus touch input and the tilt and azimuthal angles of the stylus. Touch inputs within the touch restriction region are processed differently than touch inputs outside the touch restriction region.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: October 18, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Dmitry Birenberg, Gilad Pundak, Idan Palmor, Matan Slassi, Nadav Linenberg
  • Patent number: 11474638
    Abstract: The present disclosure relates to a technology of sensing a touch. According to the present disclosure, touch sensors are driven in a time division way using multiplexers disposed on a panel and auxiliary signals, with a same phase as that of driving signals, are supplied to electrodes around a touch sensor in driving so as to reduce the introduction of noises from the neighboring electrodes.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: October 18, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Jung Min Choi
  • Patent number: 11467693
    Abstract: Apparatus and methods of impedance sensing are described. One method includes performing a first digital conversion of an attribute of a sensor electrode and performing a second digital conversion of the attribute of the sensor electrode. The second digital conversion differs by at least one characteristic from the first digital conversion. The method further includes calculating a resistance of the sensor electrode from a first and second digital value of the first and second digital conversions, respectively; and calculating a capacitance of the sensor electrode from the first and second digital value of the first and second digital conversions, respectively.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: October 11, 2022
    Assignee: Cypress Semiconductor Corporation
    Inventors: Andriy Maharyta, Hans Klein, Oleksandr Karpin, Roman Ogirko
  • Patent number: 11467697
    Abstract: One embodiment provide an electronic device including: a housing including a touch area; a touch IC; a sensor circuit configured to generate a first signal in response to detecting a movement of the electronic device; a sensor hub; and a processor. The touch IC is configured to: when a contact on the touch area is detected, transmit a second signal to the sensor hub; and after transmitting the second signal to the sensor hub, transmit a third signal for identifying an event corresponding to the contact to the sensor hub. The sensor hub is configured to: when the first signal is received within a first interval starting from a time point at which the second signal is received, invalidate the first signal; and when the third signal is received from the touch IC, transmit the third signal or a fourth signal based on the third signal to the processor.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: October 11, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hongki Kim, Jonghwan Kim, Jungsoo Kim, Chijeong Choi, Seungnyun Kim
  • Patent number: 11460934
    Abstract: A touch pad is configured to receive input operations using objects including a finger and a stylus. The touch pad includes a touch screen including a touch detection surface that serves as a button and as a position detection region for detecting positions of the objects. The touch pad includes an integrated circuit having an object detection function of detecting the positions of the objects on the touch detection surface and a button function of detecting a press state of the button based on a force applied to the touch detection surface. The touch pad includes a button function stop unit configured to cause, according to an operation state of the stylus or according to a setting related to an input operation of the stylus, the integrated circuit to stop outputting a button press state value indicative of the press state detected by the button function.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: October 4, 2022
    Assignee: Wacom Co., Ltd.
    Inventor: Jun Kadowaki
  • Patent number: 11449155
    Abstract: A control method for an immersive system includes following steps. Raw pose data of a controller is tracked. The controller is configured to operate in one of controller modes. A current controller mode is determined among the controller modes. A target pose transform matrix is selected from a plurality of pose transform matrices according to the current controller mode. Each of the pose transform matrices is provided corresponding to one of the controller modes respectively. The target pose transform matrix is applied onto the raw pose data to generate adjusted pose data. A virtual object under the current controller mode in an immersive content is rendered according to the adjusted pose data.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: September 20, 2022
    Assignee: HTC Corporation
    Inventor: You-Lung Hsueh
  • Patent number: 11449099
    Abstract: The present invention concerns virtual reality viewers for use with touchscreen enabled mobile devices. The virtual reality viewer comprises: a housing configured to receive a mobile electronic device within an interior of the housing; and an input mechanism that is accessible from an exterior of the housing and that is movable within the interior between a first position and an extended position, wherein a surface of the input mechanism is configured to contact the touch-screen of the mobile electronic device when in the extended position. The disclosed systems and methods facilitate receiving user inputs on the exterior of the housing and providing the user inputs to the touchscreen within the housing using the electro-mechanical input mechanism. Accordingly, the viewer can be used with a variety of smartphones without requiring magnetic switches or a wireless/cable connection between the input device and the smartphone.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: September 20, 2022
    Assignee: DDC TECHNOLOGY, LLC
    Inventor: Patrick Buckley
  • Patent number: 11442578
    Abstract: Apparatuses and methods of capacitance-to-digital code conversion are described. One apparatus includes a bridge circuit and a modulator front-end circuit. The bridge circuit includes a first terminal to couple to a reference cell and a second terminal to couple to a sensor cell. The modulator front-end circuit includes a comparator coupled to the bridge circuit, a first modulation capacitor coupled to a first input of the comparator, and a second modulation capacitor coupled to a second input of the comparator. The modulator front-end circuit provides a digital bitstream. A duty cycle of the digital bitstream is representative of a ratio between a capacitance of the sensor cell and a reference capacitance of the reference cell.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: September 13, 2022
    Assignee: Cypress Semiconductor Corporation
    Inventor: Andriy Maharyta
  • Patent number: 11442561
    Abstract: A multi-purpose auxiliary device includes: a first body having a holding portion and docking portion, a second body combined with the first body, and a round head kit sleeved on the first body. The docking portion has a semi-spherical enlarged portion having configurations for key operations. When the round head kit is sleeved on the center pillar of the enlarged portion, the first body serves as a capacitive stylus for operating an LCD monitor. When the round head kit is not sleeved on the center pillar, the first body serves as a resistive stylus for operating the LCD monitor, or serves as an electronic credit card signature by using an edge of the holding portion, thus providing versatility and frequency of use for the auxiliary device, and preventing effects of dirt or germs on hands.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: September 13, 2022
    Inventor: Jung Wu
  • Patent number: 11442576
    Abstract: A touch sensitive processing method comprising: sensing a first characteristic value of the electrical signals received in a reference signal time period; sensing a second characteristic value of the electrical signals, having a first number of waves, received in a first modulation signal time period; sensing a third characteristic value of the electrical signals, having a second number of waves, received in a second modulation signal time period; calculating a first ratio of the second characteristic value and the first characteristic value and calculating a second ratio of the third characteristic value and first characteristic value; and calculating the signal value according to a function of the first ratio, the second ratio, the first number of waves and the second number of waves.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: September 13, 2022
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventors: Chin-Fu Chang, Shang-Tai Yeh
  • Patent number: 11429258
    Abstract: Systems and methods for implementing fixed-layout display components embedded as part of a screen display of a device. In preferred embodiments, fixed-layout components may be utilized and managed independently of the remaining programmatically generated screen display functionality. A fixed-layout component may comprise a plurality of elements and be associated with user interactivities. Each element may be related positionally, dimensionally and display sequence to an overall component and to other elements comprised such that a computed relative position, size and dimension aspect ratio of component items and the item display sequence is maintained programmatically and visually relative to each other irrespective of a screen size or orientation when the fixed-layout component is part of an overall display of a device. The fixed-layout elements may further be operable to display dynamic data which may be logically associated with data comprised within the overall fixed-layout component.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: August 30, 2022
    Inventor: Michael E. Murphy
  • Patent number: 11422661
    Abstract: Systems and methods for detection of incident light are described. An optical imaging sensor is positioned at least partially within an active display area of a display and is configured to detect and characterize one or more properties of light incident to the active display area of the display.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: August 23, 2022
    Assignee: Apple Inc.
    Inventors: Mohammad Yeke Yazdandoost, Lun Tsai, Meng-Huan Ho, Niva A. Ran, Akshay Bhat, Volodymyr Borshch, Anand K. Chamakura, Giovanni Gozzini
  • Patent number: 11416083
    Abstract: A keyboard overlay film forming a plurality of keycap accommodating cavities and a key-gap space, the key-gap space surrounding the keycap accommodating cavities, and the keycap accommodating cavities respectively including a key projection surface, wherein the keyboard overlay film includes a top protective layer; a character layer located on a side of the top protective layer forming the keycap accommodating cavities, and the character layer includes a plurality of light-transparent characters respectively corresponding to the key projection surface of the keycap accommodating cavities; a set of touch electrodes located on a side of the character layer opposite to the top protective layer; and a lower protective layer located on a side of the set of touch electrodes opposite to the character layer.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: August 16, 2022
    Assignee: DARFON ELECTRONICS CORP.
    Inventors: Chin-Lung Chan, Wei-Yan You
  • Patent number: 11416088
    Abstract: Disclosed are a driving circuit, a stylus and an electronic device. The driving circuit includes: a power supply assembly, at least one energy storage capacitor, a switch assembly and a driving electrode. In a driving cycle: the switch assembly is configured to control connections among the power supply assembly, the at least one energy storage capacitor and the driving electrode, so that the driving electrode outputs a first voltage, at least one second voltage and a third voltage, wherein the first voltage and the third voltage are respectively a maximum voltage and a minimum voltage output by the driving electrode, and the sum of energy storage voltages of the at least one energy storage capacitor is less than the first voltage. The driving circuit, the stylus and the electronic device of the embodiment of the present application could reduce a power consumption.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: August 16, 2022
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventor: Hao Xie
  • Patent number: 11409026
    Abstract: The invention relates to a mirror cabinet capable of preventing mirror capacitive touch button from touch misoperation, the mirror cabinet comprises a mirror surface, which comprises a glass layer, a metal plating layer provided on the back of the glass layer, and an uncoated metal layer area is provided on the back of the glass layer, and a capacitive touch panel including a plurality of touch buttons is provided in the uncoated metal layer area; a back of the mirror is also provided with a controller electrically connected to the capacitive touch panel and a high-frequency switching power supply electrically connected to the controller. The mirror cabinet can prevent touch misoperation of the mirror surface capacitive touch button so as to enable a touch system to have good stability.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: August 9, 2022
    Assignee: Self Electronics Co., Ltd.
    Inventor: Jianfeng Yu
  • Patent number: 11402952
    Abstract: A method and circuit for obtaining a capacitive feedback signal of a capacitive feedback micro torsion mirror are provided to solve the problem of poor stability of the capacitive feedback signals of the micro torsion mirror. First, a pulse signal is used as a driving signal to drive the capacitive feedback micro torsion mirror to vibrate; it is ensured that the micro torsion mirror may twist freely for at least 0.5 cycles during an interval of two adjacent sets of driving pulses; secondly, the capacitive feedback signal of the capacitive feedback micro torsion mirror is extracted, and converted into a voltage signal; then, the voltage signal is amplified; and finally extracted during the interval of the two adjacent sets of driving pulses, and taken as a real capacitive feedback signal. A carrier generation circuit and a detection circuit are omitted, and the influence of the carrier generation circuit and the detection circuit on a capacitive feedback signal is eliminated.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: August 2, 2022
    Assignee: XI AN ZHISENSOR TECHNOLOGIES CO., LTD.
    Inventors: Changfeng Xia, Wenhui Zheng, Xiumin Song, Qiaoming You, Dayong Qiao
  • Patent number: 11392244
    Abstract: An embodiment may encode a driving signal and decode a response signal with the same random code, thereby eliminating noise that occurs in sensing a touch and reducing electromagnetic interference with peripheral circuits.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: July 19, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Mohamed Gamal Ahmed Mohamed
  • Patent number: 11393371
    Abstract: Systems and methods are disclosed herein for monitoring light emissions in electronic devices. The disclosed techniques herein provide for determining a display duration of display devices for a user. Light emission profiles for each of the display devices are determined. A cumulative emissions exposure is determined that is based on the light emission profiles for the display devices and the display duration of the display devices for the user. A determination is made whether the cumulative emissions exposure exceeds a light emission exposure limit set for the user. In a positive determination, an instruction is transmitted to the display devices for execution of a remedial action based on predefined rules.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: July 19, 2022
    Assignee: Rovi Guides, Inc.
    Inventors: Siddhartha Pande, Madhusudhan Srinivasan
  • Patent number: 11392226
    Abstract: An active stylus calibration method includes establishing, by an electronic device having a touchscreen, a network connection to an active stylus, detecting a function signal from the active stylus, determining a distance between the active stylus and the touchscreen based on a parameter value, obtained through detection, corresponding to the function signal, where a smaller parameter value indicates a larger distance, and when a timing is started when the distance is at a first threshold, the timing duration reaches a specified duration and the distance is at a second threshold, sending, through a network, a force calibration instruction to the active stylus to calibrate a force sensor based on the force calibration instruction.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: July 19, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yang Zou, Junyong Zhang
  • Patent number: 11385744
    Abstract: A touch key structure includes a touch panel including a key area at a front side of the touch panel, a circuit board provided behind the touch panel and including a sensing electrode corresponding to the key area, and a conductive medium provided between the key area and the sensing electrode.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: July 12, 2022
    Assignee: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD.
    Inventors: Xiaokai Liu, Yi Sun, Pofeng Ho, Zhifeng Wang, Dali Ou, Dahua Cao, Qi Wang, Yuhua Huang