Inventor

SHEN GUOZHONG

US86 patents

⚠️ This page may combine multiple inventors who share the name “SHEN GUOZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHEN GUOZHONG

SYNAPTICS INC

Integrating capacitive sensing with an optical sensor

Integrated capacitive fingerprint sensor

Sensor array with split-drive differential sensing

Display noise filter for a sensing device

Capacitive detection of fold angle for foldable devices

Capacitive detection of fold angle for foldable devices

Capacitive sensor with temperature drift mitigation

Excitation schemes for an input device

Multi-frequency-region touch sensing

Inter-band harmonics interference mitigation for multi-frequency-region parallel scan

Touch-to-display interference mitigation in touch displays

Sensing device with embedded noise measurement

Background capacitance compensation

Adaptive reference for differential capacitive measurements

Differential readout for sensor array

Sensor array configurations for differential readout

Multi-frequency single-burst driving scheme for presence detection

Multi-frequency single-burst driving scheme for presence detection

Low power baseline tracking for fingerprint sensor

Low power baseline tracking for fingerprint sensor

Display device having an integrated sensing device with reduced interference

Capacitive detection of fold angle for foldable devices

Multi-frequency single-burst driving scheme for presence detection

Correcting touch interference for active pen

Capacitive detection of fold angle for foldable devices

In-display capacitive fingerprint sensor

Correcting touch interference for active pen

Excitation schemes for an input device

Sensor device scanning techniques to determine fast and/or slow motions

Sensor device scanning techniques to determine fast and/or slow motions

Sensing system and method to perform temperature stable profile sensing

Multi-frequency simultaneous absolute capacitance touch sensing

QUALCOMM TECHNOLOGIES INC

Touch panel controller integrated with host processor for dynamic baseline image update

Touch panel sensor system having multi-frequency drive signals

Differential pixel test for capacitive touch screens

Background noise measurement and frequency selection in touch panel sensor systems

System and method to drive touch panel to measure hover

ERDOGAN OZAN E

Capacitive touch sense architecture having a correlator for demodulating a measured capacitance from an excitation signal

Circuits, devices and methods having pipelined capacitance sensing

Calibration for mixed-signal integrator architecture

Continuous time correlator architecture

Mixed-signal integrator architecture

SHEN GUOZHONG

Touch panel excitation using a drive signal having time-varying characteristics

Background noise measurement and frequency selection in touch panel sensor systems

Touch panel testing using mutual capacitor measurements

QUALCOMM INC

Continuous time correlator architecture

Capacitive touch sense architecture having a correlator for demodulating a measured capacitance from an excitation signal

WILL SEMICONDUCTOR SHANGHAI CO LTD

Systems and methods for optical sensing using point-based illumination

FINGERPRINT CARDS AB

Optical sensor with ambient light filter

MOHINDRA RISHI

Capacitive touch panel having protrusions formed between drive and/or sensor electrodes