G06F3/04144

SINGLE LAYER CAPACITIVE TOUCH FORCE SENSOR
20220357829 · 2022-11-10 ·

There is provided a touch force sensor including a first drive electrode, a second drive electrode and a receiving electrode. The first drive electrode is used to form a first capacitance with the receiving electrode. The second drive electrode is used to form a second capacitance with the receiving electrode. The receiving electrode shields the first drive electrode such that when a conductor approaches the receiving electrode, only the second capacitance is changed but the first capacitance is not changed. The first capacitance is changed only when the conductor gives a force upon the receiving electrode.

USING ELECTRICAL RESISTANCE TO ESTIMATE FORCE ON AN ELECTRODE DURING TEMPERATURE CHANGES
20230045039 · 2023-02-09 · ·

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.

Using electrical resistance to estimate force on an electrode during temperature changes
11494023 · 2022-11-08 · ·

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.

DEVICE FOR PHYSICAL INTERACTION BETWEEN REMOTELY LOCATED USERS
20230032718 · 2023-02-02 ·

An electronic device for touch translation includes a body, a plurality of pins extending from the body, the pins including couplings to facilitate movement of a first portion relative to a second portion of the pins, the pins being controllable to control movement of the first portion relative to the second portion and to control force applied by the pins on an external object. Sensors cooperating with the pins detect forces externally applied to the pins and a communication subsystem is utilized to communicate over a network, with a remote electronic device. A controller is coupled to the pins, the sensors, and the communication subsystem to, based on detected forces externally applied to the pins, transmit a signal to the remote electronic device for the control of the remote electronic device, and to, based on signals received from the remote electronic device, actuate ones of the pins to control the movement of the first portion relative to the second portion and to control the force applied by the pins on the external object.

TOUCH SENSOR AND DISPLAY DEVICE
20230030613 · 2023-02-02 ·

A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.

Touch sensor and display device

A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.

Pressure calibration method and touch sensitive process apparatus and touch system implementing the method

A pressure calibration method, applicable to a touch panel which sequentially comprises a first electrode layer, an elastic dielectric layer and a second electrode layer, the first electrode layer includes multiple first electrodes in parallel to a first axis, the second electrode layer includes multiple second electrodes in parallel to a second axis, the pressure calibration method comprising: retrieving a depression event according to mutual capacitance sensing between the first electrodes and the second electrodes; finding a corresponding calibration area according to coordinate of the depression event; and calculating a calibrated pressure value according to a pressure sensing value of the depression event and a pressure calibration function of the corresponding calibration area.

Electronic device acquiring user input when in submerged state by using pressure sensor, and method for controlling electronic device

According to various embodiments, disclosed is an electronic device comprising at least one sensor, a display comprising a touch panel, at least one pressure sensor disposed in the upper or lower layer of the touch panel such that pressure applied to at least a part of a region of the display can be sensed, and at least one processor, the at least one processor configured to: sense whether the electronic device is in a submerged state by using the at least one sensor or the display, receive a user input with respect to the at least a part of a region of the display while the electronic device is sensed to be in the submerged state, acquire the pressure and the position of the user input by using the at least one pressure sensor, and process the user input on the basis of the acquired pressure and the acquired position.

Display Screen Assembly and Electronic Device
20230087748 · 2023-03-23 ·

The present disclosure provides a display screen assembly and an electronic device. The display screen assembly includes a display layer, a pressure sensing layer and a cover plate, the display layer comprises a plurality of rows of pixel units and a plurality of rows of sub-pixels. The pressure sensing layer is disposed in adjacent pixel units or adjacent sub-pixels; the cover plate is covered on the display layer, the outer surface of the cover plate opposite to the pressure sensing layer forms a virtual key, and a surface of the cover plate corresponding to the pressure sensing layer forms a virtual key, and the pressure sensing layer can receive a pressure information by the virtual key of the cover plate.

Electronic device and device with touch sensing

A device with touch sensing. The device includes a first sensor configured to detect a touch and to provide a first sensing signal, a second sensor configured to detect another touch and to provide a second sensing signal, a threshold generator configured to set a first threshold by a reflecting of an amount of change of the second sensing signal to an initial threshold, and a sensor circuit configured to generate a first differential signal based on the first sensing signal, and to determine a first touch based on a consideration of the first threshold with respect to a first signal generated based on the first differential signal and the first sensing signal.