Synaptics Patent Grants

Granular access control for secure memory

Granted: December 19, 2023
Patent Number: 11847069
A secure processing system includes a memory having a secure partition and a non-secure partition, a neural network processing unit (NPU) configured to initiate transactions with the memory, and a memory protection unit (MPU) configured to filter the transactions. Each of the transactions includes at least an address of the memory to be accessed, one of a plurality of first master identifiers (IDs) associated with the NPU, and security information indicating whether the NPU is in a…

Image compression circuitry and image compression method

Granted: December 5, 2023
Patent Number: 11838525
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…

Device and method for driving a display panel based on data error detection

Granted: November 28, 2023
Patent Number: 11830461
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…

Fingerprint sensor and button combinations and methods of making same

Granted: November 28, 2023
Patent Number: 11829565
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…

Sensitivity mode for an audio spotting system

Granted: November 21, 2023
Patent Number: 11823707
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…

Sensor device for transcapacitive sensing with shielding

Granted: November 14, 2023
Patent Number: 11816919
A silicon sensor device includes: a plurality of metal layers; and a plurality of dielectric layers. Each of the plurality of metal layers is disposed on a respective dielectric layer, and wherein each of the plurality of metal layers is separated from an adjacent metal layer by a respective dielectric layer. The plurality of metal layers include: a first metal layer comprising a plurality of transmitter electrodes and a plurality of receiver electrodes; a second metal layer disposed…

Devices and methods for enhancing proximity sensing performance in input-display devices

Granted: November 14, 2023
Patent Number: 11816285
An input-display device includes a display panel, sensor electrodes, and a display driver. The display panel includes source lines. The sensor electrodes are capacitively coupled to the source lines. The display driver is configured to receive image data. The display driver is further configured to process the image data in response to a detection of a horizontal stripe pattern in an image corresponding to the image data. The display driver is further configured to drive the source lines…

Single layer capacitive imaging sensors

Granted: November 14, 2023
Patent Number: 11816298
A capacitive sensing layer of an input device includes a substantially rectangular sensor pattern extending in a horizontal direction and in a vertical direction, including first and second electrodes. Each of the first electrodes includes a strip extending in the vertical direction. The first electrodes are separated in the horizontal direction by first gaps. Each of the second electrodes includes a substantially rectangular pad, disposed adjacent to one of the first electrodes, in one…

Managing docking stations

Granted: November 7, 2023
Patent Number: 11809229
A setting to be applied at a docking station is obtained, either from a memory of the docking station, or from another device connected to a network by first obtaining, from a user device connected to the docking station, an identity of the user device and/or an identity of a user of the user device. Based on the identity of the user and/or the user device, a configuration set, of a plurality of configuration sets, that identifies at least one setting to be applied at the docking station…

Depth motion determination via time-of-flight camera

Granted: October 17, 2023
Patent Number: 11790544
A time-of-flight camera includes a light emitter, a photo detector, and a controller. The time-of-flight camera may determine depth motion of an object by emitting light pulses, receiving reflected light pulses from the object, and accumulating a plurality of charges based on the reflected light pulses. The depth motion may be determined by the controller through analysis of the accumulated charges.

Artificial intelligence image frame processing systems and methods

Granted: October 10, 2023
Patent Number: 11785068
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…

Capacitive pointing stick assembly with presence detection

Granted: October 3, 2023
Patent Number: 11775092
A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes.…

System and method for reducing display interference

Granted: September 26, 2023
Patent Number: 11768560
A system and method for mitigating interference within a sensing device. The sensing device may be part of an input device that also includes a display device. The display device may include a display panel having a plurality of display electrodes, and a display driver configured to drive the plurality of display electrodes. The sensing device may include a plurality of sensor electrodes disposed over the display panel, and a sensor driver communicatively coupled to the plurality of…

Audio enhancement through supervised latent variable representation of target speech and noise

Granted: September 19, 2023
Patent Number: 11763832
Systems and methods for generating an enhanced audio signal comprise a trained neural network configured to receive an input audio signal and generate an enhanced target signal, the trained neural network comprising a pre-processing neural network configured to receive a segment of the input audio signal and output an audio classification, the pre-processing neural network including at least one hidden layer comprising an embedding vector, and a noise reduction neural network configured…

Recurrent multimodal attention system based on expert gated networks

Granted: June 27, 2023
Patent Number: 11687770
Systems and methods for multimodal classification include a plurality of expert modules, each expert module configured to receive data corresponding to one of a plurality of input modalities and extract associated features, a plurality of class prediction modules, each class prediction module configured to receive extracted features from a corresponding one of the expert modules and predict an associated class, a gate expert configured to receive the extracted features from the plurality…

Input device with near-field communication

Granted: June 27, 2023
Patent Number: 11687188
An input device includes a touchpad and a mounting bracket made of an electrically conductive material and configured to anchor the touchpad in an electronic system. The input device further includes a near field communication (NFC) controller, and an antenna electrically interfaced with the NFC controller. The antenna includes an electrically conductive strip formed by a segment of the mounting bracket.

Automotive knob sensing device

Granted: June 27, 2023
Patent Number: 11687175
An electronic device incudes a rotatable interface configured to be placed on an input device, the rotatable interface including a conductor region and an adjacent patterned region. The rotatable device further includes a first set of coupling electrodes configured to be electrically coupled to the conductor region and to receive a reference signal from a first electrode of the input device, and a second set of coupling electrodes configured to be electrically coupled to the patterned…

Image de-warping system

Granted: June 6, 2023
Patent Number: 11669942
A method and apparatus for image processing. A de-warping circuit is configured to retrieve, in an ordered sequence, a plurality of de-warping matrices for remapping pixels of a first image from a distorted image space to a corrected image space, where the first image depicts a scene in the distorted image space. The de-warping circuit reads, into a memory buffer, blocks of pixels of the first image based at least in part on the order of the de-warping matrices and generates a plurality…

Single-bracket support structure for force sensing and haptic feedback

Granted: June 6, 2023
Patent Number: 11669167
The present implementations relate to a support structure for an input device that supports deflection of an input surface responsive to input forces exerted thereon and vibration of the input surface responsive to haptic feedback generated by a haptic actuator. The support structure includes one or more fixed structures mounted to a housing and a dynamic surface mounted to a sensor layer of the input device. A number of first deformable segments cantilever from the one or more fixed…

Device and method for driving a display device

Granted: May 23, 2023
Patent Number: 11657784
A processing system comprises a first integrated circuit (IC) and a second IC. The first IC comprises first image processing circuitry, first display panel driver circuitry, and first communication circuitry. The first image processing circuitry is configured to generate a first overlay image by overlaying a first partial input image with a first image element based on first partial input image data representing the first partial input image and first image element data representing the…