Patents Assigned to Synaptics Incorporated
  • Patent number: 11126311
    Abstract: An input device including a sensing region is disclosed. The input device includes: sensor circuitry configured to: operate, during a first timeslot, electrodes as a first cluster; and operate, during a second timeslot, the electrodes as a second cluster, where the electrodes are aligned with an axis, and where at least one of the electrodes operates as a transmitter in the first cluster and as a receiver in the second cluster; and determination circuitry configured to: determine a first set of signal values associated with a first set of electrodes in the first cluster; determine a second set of signal values associated with a second set of electrodes in the second cluster; and generate a profile for the sensing region based on the first set of signal values and the second set of signal values, where the profile reflects an input object in the sensing region.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: September 21, 2021
    Assignee: Synaptics Incorporated
    Inventors: Katayoun Goudarzi, John Weinerth, Derek Solven, David Hoch
  • Patent number: 11126303
    Abstract: A semiconductor device comprises driver circuitry, an analog-digital (AD) converter, and processing circuitry. The driver circuitry is configured to supply a drive signal to a sensor array in a sensing frame comprising 2N bursts, N being an integer of two or more. The mixer circuitry is configured to modulate a plurality of carrier waves with a plurality of sensing signals corresponding to capacitances of a plurality of sensing electrodes of the sensor array, respectively, to output a plurality of mixer outputs. A number of the plurality of sensing electrodes is 2N?1 or 2N. The AD converter is configured to perform AD conversion on a sum signal of the plurality of mixer outputs. The processing circuitry is configured to detect an object based on the output of the AD converter.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: September 21, 2021
    Assignee: Synaptics Incorporated
    Inventors: Xueyong Yang, Tetsuo Tanemura, Nobukazu Tanaka, Takayuki Noto
  • Patent number: 11120247
    Abstract: An input device includes a fingerprint sensor and a processing system. The fingerprint sensor is configured to capture images of a sensing region of the input device. The processing system is configured to acquire a first image of the sensing region, where the first image includes one or more fingerprints. The processing system compares the first image with one or more adjunct templates to determine a similarity score for each of the one or more fingerprints. The processing system further compares at least one of the fingerprints with one or more fingerprints templates to determine a match score, and selectively authenticates the first image based at least in part on the similarity score and the match score.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: September 14, 2021
    Assignee: Synaptics Incorporated
    Inventor: Erik Jonathon Thompson
  • Patent number: 11119606
    Abstract: A processing system comprises sensor circuitry and a baseline correction mechanism. The sensor circuitry comprises a receiver channel having an input configured to acquire a resulting signal from a sensor electrode. A background capacitance is formed between the sensor electrode and a conductive element. The baseline correction mechanism is coupled to the input of the receiver channel. The baseline correction mechanism comprises a resistive element configured to be driven with a compensation signal to at least partially mitigate the background capacitance.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: September 14, 2021
    Assignee: Synaptics Incorporated
    Inventor: Guozhong Shen
  • Patent number: 11119615
    Abstract: It will be understood by those skilled in the art that there is disclosed in the present application a biometric sensor that may comprise a plurality of a first type of signal traces formed on a first surface of a first layer of a multi-layer laminate package; at least one trace of a second type, formed on a second surface of the first layer or on a first surface of a second layer of the multi-layer laminate package; and connection vias in at least the first layer electrically connecting the signal traces of the first type or the signal traces of the second type to respective circuitry of the respective first or second type contained in an integrated circuit physically and electrically connected to one of the first layer, the second layer or a third layer of the multi-layer laminate package.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: September 14, 2021
    Assignee: Synaptics Incorporated
    Inventors: Brett Dunlap, Paul Wickboldt
  • Patent number: 11120569
    Abstract: A method and apparatus for estimating a user's head pose relative to a sensing device. The sensing device detects a face of the user in an image. The sensing device further identifies a plurality of points in the image corresponding to respective features of the detected face. The plurality of points includes at least a first point corresponding to a location of a first facial feature. The sensing device determines a position of the face relative to the sensing device based at least in part on a distance between the first point in the image and one or more of the remaining points. For example, the sensing device may determine a pitch, yaw, distance, or location of the user's face relative to the sensing device.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: September 14, 2021
    Assignee: Synaptics Incorporated
    Inventors: Boyan Ivanov Bonev, Utkarsh Gaur
  • Patent number: 11120732
    Abstract: A display driver includes: a receiver configured to receive image data of each line of a display panel from an external device; a line latch circuit having a line latch configured to latch the image data of each line received by the receiver in response to a strobe signal; a driving circuit section which drives the display panel in response to the image data latched by the line latch; and a timing controller configured to generate the strobe signal. The receiver is configured to detect occurrence of transmission error in data transmission about each line. The timing controller is configured to generate the strobe signal in response to a detection result of the occurrence of transmission error.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: September 14, 2021
    Assignee: Synaptics Incorporated
    Inventors: Kenji Yamazumi, Hirokazu Hatayama, Prashant Shamarao, Kota Kitamura
  • Patent number: 11115562
    Abstract: A method and apparatus for image processing. An image scaling circuit is configured to receive image data for a plurality of pixels corresponding to a first image. The image data includes color information and a transparency value for each of the plurality of pixels. The image scaling circuit updates the image data by selectively changing the color information for one or more of the pixels based at least in part on the transparency values. In updating the image data, the image scaling circuit may determine contextual information about the first image based at least in part on the transparency values. The image scaling circuit further generates an interpolated image based on the updated image data for the plurality of pixels. For example, the interpolated image may be a scaled version of the first image.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: September 7, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Jun Zhang, Chang Qing Zhang
  • Patent number: 11106317
    Abstract: A processing system is disclosed. The processing system includes an amplifier configured to generate a feedback signal, including a spatial common mode estimate generated from spatial-common-mode-processed signals. The processing system further includes charge integrators configured to obtain resulting signals from capacitive sensor electrodes, the resulting signals including a spatial common mode. The charge integrators generate the spatial-common-mode-processed signals by mitigating the spatial common mode in the resulting signals using the feedback signal. The processing system also includes a controller configured to obtain digital touch signals by analog-to-digital converting the spatial-common-mode-processed signals, obtain a digital spatial common mode estimate by analog-to-digital converting the spatial common mode estimate, and obtain at least one digital resulting signal by combining at least one of the digital touch signals with the digital spatial common mode estimate.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: August 31, 2021
    Assignee: Synaptics Incorporated
    Inventor: Chunbo Liu
  • Patent number: 11099687
    Abstract: Methods and devices are disclosed for characterizing user inputs. A first input object may be detected in a sensing region of an input device. A resonance frequency of the first input object may be determined. A first characteristic may be assigned to the first input object based at least in part on the resonance frequency of the first input object. User inputs provided by the first input object may be processed based at least in part on the first input object characteristic.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 24, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Tom R. Vandermeijden, Jeffrey Lukanc, Timothy J. Vehling
  • Patent number: 11100932
    Abstract: An end detector configured to receive the feature data and detect an end point of a keyword, and a start detector configured to receive an indication of the detected end point and process the feature data associated with corresponding input frames to detect a start point of the keyword. The start detector and end detector comprise neural networks trained through a process using a cross-entropy cost function for non-Region of Target (ROT) frames and a One-Spike Connectionist Temporal Classification cost function for ROT frames.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 24, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Saeed Mosayyebpour, Francesco Nesta, Trausti Thormundsson
  • Patent number: 11094240
    Abstract: A display driver comprises image processing circuitry and driver circuitry. The image processing circuitry is configured to receive spatial distribution information of a physical quantity related to a display panel. The image processing circuitry is further configured to generate output voltage data by processing input pixel data associated with subpixels of the pixel. The drive circuitry is configured to drive the display panel based on the output voltage data.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: August 17, 2021
    Assignee: Synaptics Incorporated
    Inventors: Masao Orio, Takashi Nose, Hirobumi Furihata
  • Patent number: 11093093
    Abstract: A processing system includes a sensor module configured to receive first and second signals from first and second sensor electrodes, respectively, and generate a combination signal. The processing system further includes a determination module configured to determine, using the first sensor electrode, an absolute capacitive coupling to an input object; determine, using the first and second sensor electrodes, a transcapacitive coupling; determine a ratio of the absolute to transcapacitive coupling; determine, using the combination signal, in absence of a predetermined low ground mass state, and when the ratio fails to exceed a predetermined threshold, first positional information regarding a location of the input object; and determine, when the ratio fails to exceed the predetermined threshold and in presence of the predetermined low ground mass state, second positional information regarding the location of the input object in the sensing region using an absolute capacitive scan.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 17, 2021
    Assignee: Synaptics Incorporated
    Inventors: John Weinerth, David Sobel, Derek Solven, Adam Schwartz, Joseph Kurth Reynolds, Tracy Scott Dattalo, David Hoch
  • Patent number: 11093058
    Abstract: This disclosure generally provides an input device, electronic systems and processing system for touch sensing. In one example, an input device for touch sensing includes receiver electrodes and transmitter electrodes arranged in transmitter and receiver electrode columns. Each transmitter electrode within each transmitter electrode column is paired with two adjacent receiver electrodes of a first column of the receiver electrode columns. A first plurality of traces couple a first group of receiver electrodes in the first receiver electrode column, the first plurality of traces not passing between the transmitter and receiver electrodes of the first transmitter and receiver electrode columns. A second plurality of traces coupled a second group of receiver electrodes in the first receiver electrode column, the second plurality of traces passing between one of the transmitter electrodes of the first transmitter electrode column and one of the receiver electrodes of the second group of receiver electrodes.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: August 17, 2021
    Assignee: Synaptics Incorporated
    Inventors: Qingbiao Deng, Ying Wang, Sang Chul Han, Yi-Fei Zhang
  • Patent number: 11087780
    Abstract: A voice-activity detector (VAD) system comprises a microphone operable to receive and to process audio inputs from an environment to generate an analog audio input signal. The system further comprises an analog VAD operable to process the analog audio input signal to perform an initial detection of human speech, and operable to send a wake up command to a digital signal processing chain to awaken the digital signal processing chain from a sleep mode, when the analog VAD detects human speech. Further, the system comprises the digital signal processing chain operable to process the analog audio input signal to perform a secondary detection of human speech, and operable to output a signal indicating that human speech is detected, when the digital signal processing chain detects human speech. In one or more embodiments, the secondary detection of human speech is more accurate than the initial detection of human speech.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 10, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Lorenzo Crespi, Marco Croce, Andrea Baschirotto, Piero Malcovati
  • Patent number: 11087213
    Abstract: A classification training system for binary and multi-class classification comprises a neural network operable to perform classification of input data, a training dataset including pre-segmented, labeled training samples, and a classification training module operable to train the neural network using the training dataset. The classification training module includes a forward pass processing module, and a backward pass processing module. The backward pass processing module is operable to determine whether a current frame is in a region of target (ROT), determine ROT information such as beginning and length of the ROT and update weights and biases using a cross-entropy cost function and One Spike Connectionist Temporal Classification (OSCTC) cost function. The backward pass module further computes a soft target value using ROT information and computes a signal output error using the soft target value and network output value.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 10, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Saeed Mosayyebpour, Trausti Thormundsson, Francesco Nesta
  • Publication number: 20210240324
    Abstract: A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region; and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Applicant: Synaptics Incorporated
    Inventor: Tom Vandermeijden
  • Patent number: 11082460
    Abstract: Systems and methods for audio signal enhancement facilitated using video data are provided. In one example, a method includes receiving a multi-channel audio signal including audio inputs detected by a plurality of audio input devices. The method further includes receiving an image captured by a video input device. The method further includes determining a first signal based at least in part on the image. The first signal is indicative of a likelihood associated with a target audio source. The method further includes determining a second signal based at least in part on the multi-channel audio signal and the first signal. The second signal is indicative of a likelihood associated with an audio component attributed to the target audio source. The method further includes processing the multi-channel audio signal based at least in part on the second signal to generate an output audio signal.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: August 3, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Francesco Nesta, Boyan Bonev, Utkarsh Gaur
  • Patent number: 11079889
    Abstract: Sensing systems and methods that utilize zero row sum code division multiplexing (CDM) drive matrices to reduce or eliminate radiative emissions. Measurements corresponding to an input received at a sensing region of the input device are obtained by driving a first subset of transmitters of the input device according to a first portion of a CDM drive matrix, wherein the CDM matrix is a zero row sum matrix, and obtaining first measurement signals with the plurality of receivers, and driving a second subset of the transmitters according to a second portion of the CDM drive matrix, wherein the first and second subsets of transmitters include at least one transmitter in common, and obtaining second measurement signals with the plurality of receivers. An image of the input may be generated based on the obtained measurements.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: August 3, 2021
    Assignee: Synaptics Incorporated
    Inventor: Gian Mario Manca
  • Patent number: 11079911
    Abstract: A method and apparatus for device personalization. A device is configured to receive first sensor data from one or more sensors, detect biometric information in the first sensor data, encode the biometric information as a first vector using one or more neural network models stored on the device, and configure a user interface of the device based at least in part on the first vector. For example, the profile information may include configurations, settings, preferences, or content to be displayed or rendered via the user interface. In some implementations, the first sensor data may comprise an image of a scene and the biometric information may comprise one or more facial features of a user in the scene.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: August 3, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Utkarsh Gaur, Gaurav Arora