Ratio-metric self-capacitance-to-code convertor
Granted: November 12, 2019
Patent Number:
10476521
A circuit, system, and method for converting self capacitance to a digital value may include a pair of charge transfer circuits, each including a switch network, a sensor capacitor or modulation capacitor, and an integration capacitor may be coupled to a comparator to produce a data signal representative of the capacitance of the sensor capacitor of one of the charge transfer circuits. The data signal may be used to indicate a capacitance value of the self capacitance through conversion…
Systems and methods for removing interference for audio pattern recognition
Granted: November 5, 2019
Patent Number:
10468020
An example apparatus provides an input signal based on sound waves received by one or more microphones. The input signal includes a voice command component and one or more interference components. The apparatus receives audio data over one or more computer networks and the audio data corresponds to the one or more interference components. The apparatus uses the audio data to remove a portion of the one or more interference components from the input signal to generate an output signal,…
Detecting the drift of the data valid window in a transaction
Granted: November 5, 2019
Patent Number:
10467171
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments for detecting the drift of the data valid window in a transaction. An embodiment operates by configuring a data capture range comprising data capture points, measuring values of a signal at the data capture points, and detecting the drift of the data valid window based on the values at the data capture points.
Techniques for generating microcontroller configuration information
Granted: November 5, 2019
Patent Number:
10466980
An example includes accessing multiple configurations stored in a memory, where each configuration is associated with a corresponding circuit function implementable by an electronic device and associated with a corresponding set of resources of the electronic device. The example includes determining that one or more sets of resources of the electronic device are available for use by one or more configurations of the multiple configurations. Based on the determination, an embodiment…
Suppressing noise in touch panels using a shield layer
Granted: November 5, 2019
Patent Number:
10466842
A method, apparatus, and system measure, at a first channel of a processing device, a first signal indicative of a touch object proximate to an electrode layer. The first signal includes a touch data component and a first noise component generated by a noise source. The method, apparatus, and system measure, at a second channel of the processing device, a second signal including a second noise component generated by the noise source. The second channel is coupled to a shield layer…
Non-finger object rejection for fingerprint sensors
Granted: October 29, 2019
Patent Number:
10460144
A method for detecting a finger at a fingerprint sensor includes detecting a presence of an object at a fingerprint sensor and, in response to detecting the presence of the object, acquiring image data for the object based on signals from the fingerprint sensor. The method further includes, for each subset of one or more subsets of the image data, calculating a magnitude value for a spatial frequency of the subset, and identifying the object as a finger based on comparing the magnitude…
Memory interface configurable for asynchronous and synchronous operation and for accessing storage from any clock domain
Granted: October 29, 2019
Patent Number:
10456819
A system comprising a memory controller coupled to a memory device is described. The memory device is coupled to, and is external to, the memory controller. The memory device includes a storage array having dual configurability to support both synchronous and asynchronous modes of operation.
Systems, methods, and devices for implementing antenna diversity with wireless communications devices
Granted: October 22, 2019
Patent Number:
10455442
Systems, methods, and devices enable the implementation of antenna diversity techniques. Devices include a first wireless communications device that includes a plurality of antennas, and a transceiver coupled to the plurality of antennas and configured to send and receive data in accordance with a wireless transmission protocol, while the peer wireless communication device may have a single antenna or multiple antennas. Devices also include a processor configured to, in a first mode,…
Non-volatile memory array with memory gate line and source line scrambling
Granted: October 15, 2019
Patent Number:
10446245
A memory device includes a memory array arranged in rows and columns. The memory array may have at least four non-volatile memory (NVM) cells coupled in the same column of the memory array, in which each NVM cell may include a memory gate. The first and second NVM cells of the at least four NVM cells may share a first source region, and the third and fourth NVM cells may share a second source region. The memory gates of the first and second NVM cells may not be electrically coupled with…
Stable modulation index calibration and dynamic control
Granted: October 15, 2019
Patent Number:
10447511
Calibrating a Gaussian frequency-shift keying modulation index includes generating a training sequence of bits, shaping a pulse from the training sequence according to an initial modulation index, and converting the shaped signal to a transmission signal. The transmission signal is then either looped through a radio frequency core or processed by frequency deviation estimation hardware to determine a frequency deviation. The frequency deviation is converted to a new modulation index, and…
Combined inductive sensing and capacitive sensing
Granted: October 15, 2019
Patent Number:
10444916
An sense unit for inductive sensing or capacitive sensing is described. The sense unit may include a first terminal coupled to a first node, a first electrode coupled to the first node, and a second terminal. The sense unit may include a second electrode coupled to the second terminal. In a first mode, a first signal is received at the first terminal and a second signal is output on the second terminal, where the second signal may be representative of a capacitance of the sense unit. The…
Force sensing
Granted: October 15, 2019
Patent Number:
10444887
An apparatus including a first signal generator of a force sensing circuit to output a first excitation (TX) signal on a first terminal and a second TX signal on a second terminal. The first terminal and the second terminal are configured to couple to a first force sensor and a reference sensor. The apparatus includes a first receiver channel coupled to a third terminal and a fourth terminal. The third terminal is configured to couple to the first force sensor and the fourth terminal is…
Notice of absence support for coexistence
Granted: October 1, 2019
Patent Number:
10433346
A method includes receiving an absence schedule and storing the absence schedule in a memory. The absence schedule indicates a plurality of absence periods during which a group owner device in a wireless network will be unavailable for receiving transmissions in a frequency band. The method further includes controlling a primary radio transceiver of a wireless device based on the absence schedule, receiving a first request from a secondary radio transceiver of the wireless device to…
Generating a baseline compensation signal based on a capacitive circuit
Granted: October 1, 2019
Patent Number:
10429998
A capacitance-sensing circuit may include a plurality of channel inputs associated with measuring a capacitance of a unit cell of a capacitive sense array. The capacitance-sensing circuit may also include a baseliner component that is coupled to the plurality of channel inputs. The baseliner component may generate a baseline compensation signal using a capacitive circuit and may provide the baseline compensation signal to each of the plurality of channel inputs of the capacitive sense…
Memory first process flow and device
Granted: September 3, 2019
Patent Number:
10403731
A semiconductor device and method of making the same are disclosed. The semiconductor device includes a memory gate on a charge storage structure formed on a substrate, a select gate on a gate dielectric on the substrate proximal to the memory gate, and a dielectric structure between the memory gate and the select gate, and adjacent to sidewalls of the memory gate and the select gate, wherein the memory gate and the select gate are separated by a thickness of the dielectric structure.…
Sensor array with edge pattern
Granted: September 3, 2019
Patent Number:
10402022
A capacitive sensor array may include a first set of sensor electrodes and a second set of sensor electrodes. Each of the second set of sensor electrodes may intersect each of the first set of sensor electrodes to form a plurality of unit cells each corresponding to a pair of sensor electrodes including one of the first set of sensor electrodes and one of the second set of sensor electrodes. Each point within each of the plurality of unit cells may nearer to a gap between the pair of…
Devices, systems and methods for transmitting protocol configuration information between multi-protocol devices
Granted: August 27, 2019
Patent Number:
10396848
A method can include receiving frequency hop configuration data for a first wireless communication protocol via a second wireless communication protocol in second communication circuits; and configuring first communication circuits to communicate according to the first communication protocol with frequency hopping indicated by the frequency hop configuration data; wherein the first communication circuits and second communication circuits are formed in a same combination device. Related…
Asynchronous transceiver for on-vehicle electronic device
Granted: August 27, 2019
Patent Number:
10394749
An on-vehicle system comprises a Clock Extension Peripheral Interface (CXPI) bus and a device coupled to the CXPI bus. The device comprises a transceiver configured to: detect a baud rate clock signal and a phase difference between the baud rate clock signal and an input data signal that was generated asynchronously from the baud rate clock signal; obtain a timing from an edge of the baud rate clock signal based the phase difference; capture a value of the input data signal at the…
System and method to measure capacitance of capacitive sensor array
Granted: August 20, 2019
Patent Number:
10386969
A system and method for determining position information. The method includes selecting a column, a first row, and a second row of a capacitive sensor array. The first row and second row intersect with the column of the capacitive sensor array. The method further includes measuring a differential capacitance between the first row and the second row and utilizing the differential capacitance in determining a location of an object proximate to the capacitive sensor array.
Mutual capacitance sensing array
Granted: August 20, 2019
Patent Number:
10386976
A method and apparatus for sensing a conductive object by a mutual capacitance sensing array is described according to an embodiment of the present invention. The mutual capacitance sensing array comprises one or more sensor elements. Each sensor element comprises an outer frame including a conductive material. A cavity is formed within the interior of the outer frame.
