公开(公告)号：US20240069667A1

公开(公告)日：2024-02-29

申请号：US17899570

申请日：2022-08-30

Applicant: Synaptics Incorporated

Inventor： Guozhong Shen ,  Chunbo Liu ,  Jonathan Ku

IPC: G06F3/041

CPC classification number: G06F3/04166 ,  G06F3/0446

Abstract: An input device that includes multiple electrodes disposed in a sensing region of the input device and a sensing circuit coupled to a first electrode and configured to detect an input object proximate the sensing region. The sensing circuit includes an amplifier having an inverting input coupled to the first electrode, a non-inverting input coupled to a drive signal, and an output generating a resulting signal. The sensing circuit includes a feedback capacitor coupled between the output and the inverting input of the amplifier. The drive signal comprises a first sinusoidal signal having a first operating frequency and a second sinusoidal signal having a second operating frequency. The resulting signal is determined by the feedback capacitor and a capacitance of the first electrode caused by the input object. The resulting signal generates a sensing signal on the first electrode.

公开(公告)号：US20240061537A1

公开(公告)日：2024-02-22

申请号：US18492829

申请日：2023-10-24

Applicant: Synaptics Incorporated

Inventor： Brett Dunlap ,  Paul Wickboldt

IPC: G06F3/044 ,  G01N27/22 ,  G06F1/16 ,  G06V40/13 ,  H01L21/48 ,  H05K1/02 ,  H05K1/03 ,  H05K1/11 ,  H05K1/14 ,  H05K1/18

CPC classification number: G06F3/0445 ,  G01N27/221 ,  G06F1/1692 ,  G06F3/0446 ,  G06V40/1306 ,  G06V40/1329 ,  H01L21/4857 ,  H01L21/486 ,  H05K1/0298 ,  H05K1/036 ,  H05K1/112 ,  H05K1/145 ,  H05K1/184 ,  H05K1/186 ,  H05K2201/10151

Abstract: A biometric sensor 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.

公开(公告)号：US20240056097A1

公开(公告)日：2024-02-15

申请号：US17818533

申请日：2022-08-09

Applicant: Synaptics Incorporated

Inventor： Scott Liam RANSOM

IPC: H03M7/40

CPC classification number: H03M7/40

Abstract: This disclosure provides methods, devices, and systems for data compression. The present implementations more specifically relate to encoding techniques for compressing probability tables used for entropy coding. In some aspects, an entropy encoder may encode a probability table so that one or more contexts are represented by fewer bits than would otherwise be needed to represent the frequency of each symbol as a proportion of the total frequency of all symbols associated with such contexts. For example, if a given row of the probability table (prior to encoding) includes a number (M) of entries each having a binary value represented by a number (K) of bits, the same row of entries may be represented by fewer than M*K bits in the encoded probability table.

公开(公告)号：US11899753B2

公开(公告)日：2024-02-13

申请号：US17317480

申请日：2021-05-11

Applicant: Synaptics Incorporated

Inventor： Omar Oreifej ,  Karthikeyan Shanmuga Vadivel ,  Patrick A. Worfolk ,  Kirk Hargreaves

IPC: G06V10/56 ,  G06F18/214 ,  G06T7/00 ,  G06F18/2433 ,  G06V10/46

CPC classification number: G06F18/2148 ,  G06F18/2433 ,  G06T7/0004 ,  G06V10/56 ,  G06T2207/20084 ,  G06T2207/20221 ,  G06T2207/30168 ,  G06V10/467

Abstract: This disclosure provides methods, devices, and systems for low-light imaging. The present implementations more specifically relate to selecting images that can be used for training a neural network to infer denoised representations of images captured in low light conditions. In some aspects, a machine learning system may obtain a series of images of a given scene, where each of the images is associated with a different SNR (representing a unique combination of exposure and gain settings). The machine learning system may identify a number of saturated pixels in each image and classify each of the images as a saturated image or a non-saturated image based on the number of saturated pixels. The machine learning system may then select the non-saturated image with the highest SNR as the ground truth image, and the non-saturated images with lower SNRs as the input images, to be used for training the neural network.

公开(公告)号：US20240015313A1

公开(公告)日：2024-01-11

申请号：US17861008

申请日：2022-07-08

Applicant: Synaptics Incorporated

Inventor： Maciej Sebastian PEDZISZ

IPC: H04N19/196 ,  H04N19/14 ,  H04N19/182 ,  H04N19/127

CPC classification number: H04N19/196 ,  H04N19/14 ,  H04N19/182 ,  H04N19/127

Abstract: This disclosure provides methods, devices, and systems for video compression. The present implementations more specifically relate to video compression techniques that account for spatial-temporal changes in pixel values. In some aspects, an encoder may determine a change importance factor (CIF) for each image tile of a current image to be encoded. The encoder may calculate the CIF for an image tile of the current image (the “current image tile”) based on a degree of variation among the pixel values in the current image tile, a degree of change between the current image tile and a respective image tile of a previously-encoded image (the “previous image tile”), and a degree of variation among the pixel values in the previous image tile. In some implementations, the encoder may determine whether to transmit each of the current image tiles to a receiving device based on the CIF associated with the respective image tile.

公开(公告)号：US11854491B2

公开(公告)日：2023-12-26

申请号：US17703925

申请日：2022-03-24

Applicant: Synaptics Incorporated

Inventor： Hirokazu Hatayama ,  Makoto Takeuchi ,  Shigeru Ota

IPC: G09G3/3275

CPC classification number: G09G3/3275 ,  G09G2360/02

Abstract: A display driver includes a GRAM, a data driver, and a control circuit. The data driver is configured to: update, in a first mode, display elements of a display panel based on a command provided to the display driver asynchronously with a display vertical sync signal; update, in a second mode, the display elements based on image data stored in the GRAM in synchronization with the display vertical sync signal; and update, in a third mode, the display elements in synchronization with an external vertical sync signal. The control circuit is configured to: switch the display drive to a second mode in response to a first command; adjust, in the second mode, the display vertical sync signal based on an external vertical sync signal; and switch the display driver to the third mode after achieving synchronization of the display vertical sync signal with the external vertical sync signal.

公开(公告)号：US20230396665A1

公开(公告)日：2023-12-07

申请号：US18447261

申请日：2023-08-09

Applicant: Synaptics Incorporated

Inventor： Vladan PETROVIC ,  Utkarsh GAUR ,  Pontus LIDMAN

IPC: H04L65/70 ,  H04N21/2662 ,  G06N3/08 ,  H04N21/258 ,  H04L65/403 ,  H04N21/24 ,  H04L65/75

CPC classification number: H04L65/70 ,  H04N21/2662 ,  G06N3/08 ,  H04N21/25825 ,  H04L65/403 ,  H04N21/2402 ,  H04L65/75

Abstract: Systems and method for streaming video content include downscaling video content using a downscaling model to generate downscaled video content and downloading the downscaled video content as a video stream and corresponding upscaling model to a client device. The system converts received video frames to a video memory format comprising channels having the same memory allocation size, each subsequent channel arranged in an adjacent memory location, for input to the downscaling model. The client device upscales the video stream using the received upscaling model for display by the client device in real-time. A training system trains the downscaling model to generate the downscaled video content, based on associated metadata identifying a type of video content. The downscaled video content and associated upscaling models are stored for access by an edge server, which downloads upscaling models to a client device to select an upscaling model.

公开(公告)号：US11838525B2

公开(公告)日：2023-12-05

申请号：US17852340

申请日：2022-06-28

Applicant: Synaptics Incorporated

Inventor： Micael Lacson Magpayo ,  Hirobumi Furihata ,  Takashi Nose

IPC: H04N19/42 ,  H04N19/176 ,  H04N19/423 ,  H04N19/70

CPC classification number: H04N19/439 ,  H04N19/176 ,  H04N19/423 ,  H04N19/70

Abstract: Image compression circuitry comprises first-stage compression circuitry, first-stage selector circuitry, second-stage compression circuitry, and second-stage selector circuitry. The first-stage compression circuitry is configured to sequentially receive a plurality of input blocks each comprising pixel data of a plurality of pixels, generate a plurality of first-stage compressed blocks by compressing the plurality of input blocks, and generate a plurality of first-stage decompressed blocks. The first-stage selector circuitry is configured to select first-stage-selected decompressed blocks from among the plurality of first-stage decompressed blocks and select first-stage-selected compressed blocks corresponding to the first-stage-selected decompressed blocks from among the plurality of first-stage compressed blocks. The second-stage compression circuitry is configured to generate a plurality of second-stage compressed blocks by compressing the plurality of input blocks and generate a plurality of second-stage decompressed blocks. The second-stage selector circuitry is configured to select second-stage-selected compressed and output the second-stage-selected compressed blocks.

公开(公告)号：US11830461B2

公开(公告)日：2023-11-28

申请号：US16720858

申请日：2019-12-19

Applicant: SYNAPTICS INCORPORATED

Inventor： Tsuyoshi Kuroiwa ,  Hirokazu Hatayama ,  Takefumi Seno

IPC: G09G5/393

CPC classification number: G09G5/393 ,  G09G2310/0286 ,  G09G2310/062 ,  G09G2310/08

Abstract: A display driver comprises an interface and signal supply circuitry. The interface is configured to receive image data. The signal supply circuitry is configured to supply at least one drive control signal to a display panel based on a detection of a data error in the image data associated with a first horizontal line in a first vertical sync period, causing a first pixel circuit and a second pixel circuit hold, in the first vertical sync period, first hold voltages based in part on at least one drive control signal and second hold voltages held in a second vertical sync period prior to the first vertical sync period. The first pixel circuit is associated with the first horizontal line, and the second pixel circuit is associated with a second horizontal line and driven after the first pixel circuit.

公开(公告)号：US11823707B2

公开(公告)日：2023-11-21

申请号：US17572002

申请日：2022-01-10

Applicant: Synaptics Incorporated

Inventor： Saeed Mosayyebpour Kaskari

IPC: G10L25/84 ,  G10L21/0216 ,  G10L21/0264 ,  G10L25/78 ,  G10L21/0208

CPC classification number: G10L25/84 ,  G10L21/0216 ,  G10L21/0264 ,  G10L2021/02082 ,  G10L2021/02166 ,  G10L2025/786

Abstract: An audio spotting system configured for various operating modes including a regular mode and sensitivity mode is described. An example cascade audio spotting system may include a high-power subsystem including a high-power trigger and a transfer module. This high-power trigger includes one or more detection models used to detect whether a target sound activity is included in the one or more audio streams. The one or more detection models are associated with a first set of hyperparameters when the cascade audio spotting system is in a regular mode, and the one or more detection models are associated with a second set of hyperparameters when the cascade audio spotting system is in a sensitivity mode. The transfer module provides at least one of one or more processed audio streams for further processing in response to the high-power trigger detecting the target sound activity in the one or more audio streams.