Circuit for a transponder and method for testing the circuit
Granted: August 27, 2019
Patent Number:
10396861
A method for testing a circuit for a transponder, and transponder circuit, is provided, in which the circuit is operated in a passive mode in that the circuit is supplied with energy from a field, in which, during the passive mode, the circuit receives a command via the field to activate a test routine, in which memory content is stored by the test routine as test data in a memory area of a memory of the circuit predetermined by the test routine, in which, during the passive mode, the…
Touch sensor with edge-balanced macro-feature design
Granted: August 27, 2019
Patent Number:
10394402
In one embodiment, a touch position-sensing panel includes a sensing area. The sensing area includes a substrate and a plurality of first electrodes in a first layer. A first electrode of the plurality of first electrodes includes a first center region and a second electrode of the plurality of first electrodes comprises a second center region. The second electrode of the plurality of first electrodes does not include material of the first electrode of the plurality of first electrodes.…
Object detection and scan
Granted: August 27, 2019
Patent Number:
10394392
In certain embodiments, a method includes determining a position of an input within a touch-sensitive area of a touch sensor. The touch sensor includes a first number of electrodes having a first orientation and a second number of electrodes having a second orientation. The second orientation is different from the first orientation. The method also includes selecting a first set of the first number of electrodes and a first set of the second number of electrodes such that the determined…
Fabricated electrical circuit on touch sensor substrate
Granted: August 27, 2019
Patent Number:
10394350
In one embodiment, a device includes a flexible substrate, a touch sensor made of flexible conductive material disposed on the flexible substrate, and conductive tracks made of flexible conductive material disposed on the flexible substrate. The device also includes an electrical component bonded to the conductive tracks. The conductive tracks electrically couple the electrical component to the touch sensor.
Input/output parameter selection
Granted: August 20, 2019
Patent Number:
10387646
A device comprises a detector configured to detect an event, and a selector coupled to the detector and configured to generate a signal in response to a detection of an event by the detector. The signal is operable to select a set of input/output (I/O) parameters from among first and second stored sets of parameters. The device also includes a configuration module coupled to the selector. The configuration module is configured to output the selected set of I/O parameters.
Serial device with configuration mode for changing device behavior
Granted: August 20, 2019
Patent Number:
10387361
Systems, methods, circuits, devices and computer-readable mediums for configuring serial devices are disclosed. In some implementations, a device comprises: an input for receiving first and second requests from a serial bus; a decoder coupled to the input and configured to determine if either of the first and second requests is a configuration mode request; a controller coupled to the decoder and configured to: in response to a determination that the first request is a configuration mode…
Adaptive speed single-wire communications
Granted: July 16, 2019
Patent Number:
10353845
Systems, methods, circuits and computer-readable mediums for adaptive speed single-wire communications. In one aspect, a method includes receiving a sensing signal from a device through a single-wire bus, analyzing one or more properties of the received sensing signal, the one or more properties including at least one of a pulse width of the sensing signal and a duration between sequential pulses in the sensing signal, adjusting one or more communication parameters for single-wire…
Touch device
Granted: July 16, 2019
Patent Number:
10353502
An apparatus includes a display stack and a controller. The display stack includes a display and a ground layer. The ground layer includes a plurality of columns. Each column of the plurality of columns includes a plurality of nodes. The controller provides voltages to a first plurality of nodes of a first column of the plurality of columns of the ground layer such that a sum of the voltages of the first plurality of nodes of the first column is less than or equal to two millivolts. The…
Power mode configuration for touch sensors
Granted: July 2, 2019
Patent Number:
10338666
In one embodiment, a system includes a touch sensor, measurement circuits, and a monitoring circuit. The monitoring circuit is coupled to each measurement circuit. The monitoring circuit is configured to perform operations in a first power mode. The operations include receiving signals from the measurement circuits and generating an output signal that is proportional to a sum of the signals received from the measurement circuits. A value of the generated output signal indicates whether…
Integrated pixel display and touch sensor
Granted: June 25, 2019
Patent Number:
10331255
In one embodiment, an apparatus includes a display component, a touch sensor component, and a touch-screen controller. The display component includes pixel-drive electrodes configured to display an image and the touch sensor component is configured to detect a touch input. The touch-screen controller, which is coupled to the touch sensor component, the display component, and the pixel-drive electrodes, is configured to generate a drive signal for the touch sensor component using the…
Touch sensor signal integration
Granted: June 11, 2019
Patent Number:
10318050
In certain embodiments, a method includes performing a first positive integration by sensing a first rising edge of a charging signal of a touch sensor during a first synchronization period, performing a first negative integration by sensing a first falling edge of the charging signal during a second synchronization period, and performing a first phase shift by skipping integration during a third synchronization period. The method further includes performing a second positive integration…
Microcontroller input/output connector state retention in low-power modes
Granted: June 11, 2019
Patent Number:
10317978
A microcontroller is operable in a low-power mode and includes one or more I/O connectors, as well as an I/O controller operable to provide control signals for controlling a state of a particular one of the I/O connectors. The I/O controller is powered off or deactivated during the low-power mode. The microcontroller also includes I/O connector state control logic operable to control the state of the particular one of the I/O connectors in accordance with the control signals from the I/O…
Message translator
Granted: June 4, 2019
Patent Number:
10311005
Systems, methods, circuits and computer-readable mediums for a network message translator are disclosed. In an embodiment, a device includes a host processor and a translator. The host processor is configured to process messages and the translator is operable to: receive a first message from the host processor, the first message having a first frame format that is associated with a data time window; translate the first message into a first translated message having a second frame format…
Enhanced conductors
Granted: May 28, 2019
Patent Number:
10306758
Disclosed examples of electrode structures and methods of manufacture thereof may provide one or more advantages relating to enhanced conductivity, for example, while providing optically clear conductors.
Configuring power domains of a microcontroller system
Granted: May 21, 2019
Patent Number:
10296077
A microcontroller system is organized into power domains. A power manager of the microcontroller system can change the power configuration of a power domain based on whether the microcontroller system has asserted a power trigger for any module in the power domain or if any module in the power domain has asserted a power keeper.
Multi-state capacitive button
Granted: May 7, 2019
Patent Number:
10284196
In certain embodiments, a method includes applying voltage to a sensor that includes first and second electrode tracks, the sensor proximate to a conductor depressible relative to the sensor and located between a button and the sensor. The conductor can capacitively couple with a capacitive node formed by the tracks, and the button can capacitively couple with an object. A value of a capacitance at the node is measured, the capacitance reflecting an amount of capacitive coupling between…
Touch device
Granted: March 19, 2019
Patent Number:
10234974
In certain embodiments, an apparatus includes a display stack and a controller. The display stack includes a display and a ground layer for generating an image for the display. The ground layer includes a plurality of columns. Each column of the plurality of columns includes a plurality of nodes. The controller provides voltages to a first plurality of nodes, respectively, of a first column of the plurality of columns of the ground layer such that a sum of the respective voltages of the…
Voltage scaling system with sleep mode
Granted: March 12, 2019
Patent Number:
10228752
A voltage scaling system can scale a supply voltage while preventing processor access of system components that are rendered unstable from the scaling. A processor receives an instruction to scale a system supply voltage to a target supply voltage. The processor executes the instruction and enters into a sleep mode. The processor can send, to a controller that saves power, an indication that the processor is in the sleep mode. When the processor is in the sleep mode, the processor…
Touch sensor with touch object discrimination
Granted: March 5, 2019
Patent Number:
10222912
In one embodiment, a method includes conducting a first signal to a first source electrode external to a touch sensor. The first source electrode is capacitively coupled to the touch sensor through a touch object. The method further includes measuring a mutual capacitance between the first source electrode and the first measuring electrode. The method further includes identifying, based at least in part on the measured mutual capacitance and using a controller of the touch sensor, the…
Memory emulation mechanism
Granted: February 12, 2019
Patent Number:
10204057
In an embodiment, a method comprises: obtaining a virtual bus address; translating the virtual bus address to a physical address of a portion of NVM storing first data; determining that the first portion of NVM has been allocated previously; reading the first data from the first portion of NVM; determining whether writing second data to the first portion of the NVM would change one or more bits in the first data; responsive to the determining that a write operation only changes data bits…
