Real Time Touch



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Stmicroelectronics Asia Pacific Pte Ltd
Stmicroelectronics Asia Pacific Pte Ltd singapore
Stmicroelectronics Asia Pacific Pte Ltd sg
Stmicroelectronics Asia Pacific Pte Ltd_20100107

Stmicroelectronics Asia Pacific Pte Ltd patents


Recent patent applications related to Stmicroelectronics Asia Pacific Pte Ltd. Stmicroelectronics Asia Pacific Pte Ltd is listed as an Agent/Assignee. Note: Stmicroelectronics Asia Pacific Pte Ltd may have other listings under different names/spellings. We're not affiliated with Stmicroelectronics Asia Pacific Pte Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Stmicroelectronics Asia Pacific Pte Ltd-related inventors


Hover rejection through dynamic thresholding

Disclosed herein is a touch screen controller that calculates a variance of an island in acquired touch data values. Where the variance exceeds a variance threshold, the island is validated as a representing touch. Where the variance does not exceed the variance threshold, whether the island represents a touch or... Stmicroelectronics Asia Pacific Pte Ltd

Dead zone compensation for touch screens

A method of compensated touch data values disclosed herein includes acquiring touch data values about a dead sensing zone of a touch screen, and determining a peak value of those touch data values. Then, a new peak value is calculated as a function of an average of the peak value... Stmicroelectronics Asia Pacific Pte Ltd

Microelectronic fluid detector

A resistive microelectronic fluid sensor implemented as an integrated voltage divider circuit can sense the presence of a fluid within a fluid reservoir, identify the fluid, and monitor fluid temperature or volume. Such a sensor has biomedical, industrial, and consumer product applications. After fluid detection, the fluid can be expelled... Stmicroelectronics Asia Pacific Pte Ltd

Capacitive discharge circuit for touch sensitive screen

A capacitive discharge circuit includes a line having a capacitance, a switched capacitor circuit including a capacitor, a switched circuit coupled to the line, and a voltage regulator coupled between the switched capacitor circuit and the switched circuit. A controller operates the switched capacitor circuit and switched circuit to in... Stmicroelectronics Asia Pacific Pte Ltd

Compensation for variations in a capacitive sense matrix

A readout device for a capacitive sense matrix includes a computer readable storage medium configured to store capacitance data. The capacitance data represents capacitance values of the capacitive sense matrix. The readout device also includes a readout circuit configured to receive a signal from the capacitive sense matrix, the readout... Stmicroelectronics Asia Pacific Pte Ltd

Folded divider architecture

A circuit includes a counter circuit, a logic circuit, and a clock divider. The counter circuit includes a clock divider counter to be loaded with most significant bits of a divider value, and decremented at a same edge of each pulse of a clock signal. The logic circuit compares a... Stmicroelectronics Asia Pacific Pte Ltd

System and communication between a capacitive touch screen and an active stylus

An active stylus is capacitively coupled to a capacitive touch panel for communication. The active stylus operates in a wait mode to receive initial communications from the panel. In response to such receipt, the active stylus synchronizes to a repeating communications frame implementing time division multiplexing. Communications from the active... Stmicroelectronics Asia Pacific Pte Ltd

Multi-touch integrity sensing for capacitive touch screen

A method for multi-touch integrity sensing for a multi-touch capacitive touch screen is disclosed. By determining the integrity of touches, a distinction is identified between wanted touches, such as via a finger or stylus, and unwanted touches such as via foreign matter, errors, and the like.... Stmicroelectronics Asia Pacific Pte Ltd

Display noise compensation in touch screen display using capacitive dividers

An electronic device disclosed herein includes a display layer generating display noise based on scanning thereof, and a sensing layer including a plurality of sense lines. A common voltage layer is coupled to the display layer and the sensing layer, with the common voltage layer capacitively coupling the display noise... Stmicroelectronics Asia Pacific Pte Ltd

Fluid ejection device

The present disclosure is directed to a microfluidic die that includes ejection circuitry and one time programmable memory with a minimal number of contact pads to external devices. The die includes a relatively large number of nozzles and a relatively small number of contact pads. The die includes decoding circuitry... Stmicroelectronics Asia Pacific Pte Ltd

Highly efficient charge pump synchronized to the drive signal of a touch screen system

An alternating current (AC) drive signal having a first frequency and a high logic level at a boosted supply voltage is applied to drive a capacitive sensing line of a capacitive touch panel. The boosted supply voltage is generated by boosting an input voltage. The voltage boosting is effectuate by... Stmicroelectronics Asia Pacific Pte Ltd

Sampling frequency and accumulator sweeping in a touch screen controller

A circuit described herein includes a charge to voltage converter circuit having an input coupled to receive a sense signal from a sense node associated with a mutual capacitance to be sensed, and an output. A reset switch is coupled between the output of the charge to voltage converter circuit... Stmicroelectronics Asia Pacific Pte Ltd

Correlated data acquisition among different touch sensors

Disclosed herein is an electronic device including a first touch circuit to be coupled to a first touch sensing unit, the first touch sensing unit having first drive lines and first sense lines intersecting the first drive lines. A second touch circuit is to be coupled to a second touch... Stmicroelectronics Asia Pacific Pte Ltd

Dpcm data compression using compressed data tags

Disclosed herein is a method including receiving a stream of packets into a buffer, each packet having a processed video data portion and a page count portion, the processed video data portion being a result of a modulo operation performed on a word of video data, and the page count... Stmicroelectronics Asia Pacific Pte Ltd

Systems and methods for water detection by touchscreen panels

A system and method for multi-touch integrity sensing for a multi-touch capacitive touch screen is disclosed. The system and method determines a distinction between wanted touches, such as via a finger or stylus, and unwanted touches such as via foreign matter, errors, and the like.... Stmicroelectronics Asia Pacific Pte Ltd

Water rejection for capacitive touch screen

A method of foreign matter rejection for multi-touch capacitive touch screens includes performing touch detection in both self-capacitance mode and mutual capacitance mode. By combining information from both modes, a distinction is identified between wanted touches, such as by a finger or stylus, and unwanted touches such as by foreign... Stmicroelectronics Asia Pacific Pte Ltd

Self-sensing touch panel

A method of differential self-capacitance measurement is used to enhance a signal-to-noise ratio of sense lines in a touch panel display, thereby improving touch sensor accuracy. The differential self-capacitance measurement is implemented for a touch panel using charge sharing between adjacent sense lines of the touch panel matrix. Sequential differential... Stmicroelectronics Asia Pacific Pte Ltd

Capacitive touch pressure sensor constructed from flexible substrate

An electronic device includes a flexible substrate. The flexible substrate includes a first portion having a plurality of first conductive lines formed thereon, a second portion having a plurality of second conductive lines formed thereon, and an intermediate portion mechanically coupling the first portion to the second portion. The intermediate... Stmicroelectronics Asia Pacific Pte Ltd

Multi-touch integrity sensing for capacitive touch screen

A method for multi-touch integrity sensing for a multi-touch capacitive touch screen is disclosed. By determining the integrity of touches, a distinction is identified between wanted touches, such as via a finger or stylus, and unwanted touches such as via foreign matter, errors, and the like.... Stmicroelectronics Asia Pacific Pte Ltd

Capacitive discharge circuit for touch sensitive screen

A capacitive discharge circuit includes a line having a capacitance, a switched capacitor circuit including a capacitor, a switched circuit coupled to the line, and a voltage regulator coupled between the switched capacitor circuit and the switched circuit. A controller operates the switched capacitor circuit and switched circuit to in... Stmicroelectronics Asia Pacific Pte Ltd

Folded divider architecture

A circuit includes a counter circuit, a logic circuit, and a clock divider. The counter circuit includes a clock divider counter to be loaded with most significant bits of a divider value, and decremented at a same edge of each pulse of a clock signal. The logic circuit compares a... Stmicroelectronics Asia Pacific Pte Ltd

Touch screen controller for determining relationship between a user's hand and a housing of an electronic device

An electronic device described herein includes a touch screen for a touch sensitive display carried by a portable housing. The electronic device is configured to operate in a high. detection threshold mode to determine whether an object is in contact with the touch sensitive display, and operate in a low... Stmicroelectronics Asia Pacific Pte Ltd

Dead zone compensation for touch screens

A method of compensated touch data values disclosed herein includes acquiring touch data values about a dead sensing zone of a touch screen, and determining a peak value of those touch data values. Then, a new peak value is calculated as a function of an average of the peak value... Stmicroelectronics Asia Pacific Pte Ltd

System and communication between a capacitive touch screen and an active stylus

An active stylus is capacitively coupled to a capacitive touch panel for communication. The active stylus operates in a wait mode to receive initial communications from the panel. In response to such receipt, the active stylus synchronizes to a repeating communications frame implementing time division multiplexing. Communications from the active... Stmicroelectronics Asia Pacific Pte Ltd

Force sensor patterns

The present disclosure provides a capacitive sensing structure for detecting a force touch in a touchscreen application. Performance uniformity of the force touch sensor is improved by providing a capacitive force touch structure having sensing electrodes of varying thickness, wherein the variation in electrode thickness corresponds to a relative displacement... Stmicroelectronics Asia Pacific Pte Ltd

Common mode noise reduction in capacitive touch sensing

The present disclosure is directed to a system and method to remove common mode noise projected onto a touch sensor array from a display. The system is configured to activate two rows of electrodes at the same time, while coupling remaining rows of electrodes to ground. A first one of... Stmicroelectronics Asia Pacific Pte Ltd

Support of narrow tip styluses on touch screen devices

An electronic device disclosed herein includes a touch screen controller to identify an island i.e., a matrix of acquired touch data values, the island including adjacent touch data values indicating a potential touch of a touch sensitive screen. A first sharpness of the island is calculated using a first normalization... Stmicroelectronics Asia Pacific Pte Ltd

Frequency hopping for a capacitive touch screen controller

A circuit includes a force driver configured to apply a force signal to a force node associated with a mutual capacitance to be sensed. A sensing circuit receives a sense signal from a sense node associated with said mutual capacitance to be sensed. The sensing circuit operates to generate an... Stmicroelectronics Asia Pacific Pte Ltd

Suppression of display noise in touch screen controllers

An electronic device includes a touch screen controller. The touch screen controller is configured to asynchronously measure a capacitance between a sense line and a drive line of a sensing layer with respect to a horizontal sync signal of a display layer. In addition, the touch screen controller is also... Stmicroelectronics Asia Pacific Pte Ltd

Wake up gesture for low power using capacitive touch controller

A touch screen controller provides a host interrupt to a host device operating in a low power consumption mode. The touch screen controller uses gesture templates to detect gestures input via a touch screen. Each gesture template is associated with an event identifier, and each event identifier is associated an... Stmicroelectronics Asia Pacific Pte Ltd

Enhanced tone mapper for high dynamic range images and video

Various embodiments provide tone mapping of images and video from one dynamic range to an available dynamic range of a display device while preserving or enhancing image details. According to one embodiment, an enhanced tone mapping module is configured to decrease a luminance of an image or video from a... Stmicroelectronics Asia Pacific Pte Ltd

Mutual hover protection for touchscreens

Disclosed is a touch sensor and method for detecting a touch in a capacitive touchscreen application, wherein the touch sensor is capable of distinguishing between a finger hovering above the touch sensor and a touch from a stylus having a small contact surface area without having to adjust the sensitivity... Stmicroelectronics Asia Pacific Pte Ltd

Managing multiple systems in a computer device

Resources of multiple systems are managed in a computer device. A first processing system having a set of dedicated resources also has a resource manager to manage at least one of the resources. The first processing system is prevented from directly accessing the resources without authorization. A second processing system,... Stmicroelectronics Asia Pacific Pte Ltd

Electronic device with touchscreen for removing sample subsets and related methods

An electronic device may include a touchscreen having sensing capacitors, and readout circuitry. The readout circuitry may be configured to accumulate a sample set from each sensing capacitor, divide the sample set into sample subsets, remove a given sample subset when the given sample subset exceeds a threshold, and process... Stmicroelectronics Asia Pacific Pte Ltd

Electronic device with valid single finger touch detection and related methods

An electronic device may include a touchscreen having an array of finger touch sensitive areas, and a controller coupled to the touchscreen. The controller is configured to read touch values from the array of finger touch sensitive areas, and determine when the read touch values define a valid single finger... Stmicroelectronics Asia Pacific Pte Ltd

02/02/17 / #20170031493

Correcting coordinate jitter in touch screen displays due to forceful touches

An electronic device includes a processor that acquires touch data values corresponding to different locations of a touch display, and identifies an island in the touch data that has touch data values acquired from adjacent locations of the touch display that indicate a potential touch. A first area of the... Stmicroelectronics Asia Pacific Pte Ltd

01/26/17 / #20170024033

Cross hatch ito sensor pattern for touchscreens

In one implementation, a capacitive sensing structure comprises rows of first sensors electrically coupled together and columns of second sensors electrically coupled together, wherein the first sensors include: a first arm extending in a first direction and having a first plurality of finger structures extending therefrom, a second arm extending... Stmicroelectronics Asia Pacific Pte Ltd








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