Systems and methods for logging data in harsh environments
Granted: March 7, 2023
Patent Number:
11598674
Systems and methods of the present invention allow to determine ambient gas temperature in harsh environments such as in a steam autoclave chamber during a sterilization process. In certain embodiments of the invention, temperature data is gathered using a sensor that is placed in an enclosed electronics-based temperature logging device. A capsule seals the temperature logging device except for a through hole that, during regular operation, allows gas to directly contact a surface of the…
MIPI translation in GMSL tunnel mode
Granted: February 28, 2023
Patent Number:
11595504
Systems and methods provide secure, end-to-end high-speed data encoding and communication. In certain embodiments, this is accomplished by modifying a header portion of a data packet received from a first device and complying with a one Mobile Industry Processor Interface (MIPI) protocol to create a modified data packet that complies with a faster MIPI protocol. The header portion of the modified data packet is validated during a tunnel mode operation using an error detection process to…
Current-controlled, single-inductor, multiple-output, DC-DC converter with continuous conduction and discontinuous conduction modes
Granted: February 7, 2023
Patent Number:
11575320
A controller for a SIMO DC-DC converter operable in CCM and DCM receives a signal representative of an inductor current, and signals representative of a first and a second DC-DC converter output. The controller has a first and second output adapted to control electronic switches coupled to a first and second output filter, and a third and fourth output adapted to control current in an inductor. The controller controls the outputs based upon the inputs by determining a desired PWL…
Multi-transistor device including first and second LDMOS transistors having respective drift regions separated in a thickness direction by a shared RESURF layer
Granted: January 17, 2023
Patent Number:
11557588
A multi-transistor device includes first and second lateral double-diffused metal-oxide-semiconductor field effect (LDMOS) transistors sharing a first p-type reduced surface field (RESURF) layer and a first drain n+ region. In certain embodiments, the first LDMOS transistor includes a first drift region, the second LDMOS transistor includes a second drift region, and the first and second drift regions are at least partially separated by the first p-type RESURF layer in a thickness…
Electrical switching systems including constant-power controllers and associated methods
Granted: January 10, 2023
Patent Number:
11552628
An electrical switching system includes a constant-power controller and a switching device electrically coupled between a first node and a second node. The constant-power controller is configured to (a) generate a digital control signal to control the switching device, (b) control a duration of an active phase of the digital control signal at least partially based on a voltage across the switching device, and (c) control a peak value of the digital control signal to regulate a peak…
Switching circuits having multiple operating modes and associated methods
Granted: December 20, 2022
Patent Number:
11532985
A method for controlling a switching circuit including an input port electrically coupled to a photovoltaic device and an output port electrically coupled to a load includes (1) entering a voltage limiting operating mode and (2) in the voltage limiting operating mode (i) causing a control switching device of the switching circuit to repeatedly switch between its conductive and non-conductive states in a manner which limits magnitude of an output voltage to a maximum voltage value, the…
CNN-based demodulating and decoding systems and methods for universal receiver
Granted: November 29, 2022
Patent Number:
11514322
Presented are systems and methods for automatically creating and labeling training data for training-based radio, comprising receiving, at a receiver, a frame that comprises a modulated radio frequency (RF) signal comprising a set of waveforms that correspond to payload data. The payload data comprises a sequence of random bits. In embodiments, until a stopping condition is met one or more steps are performed, comprising detecting the frame; demodulating the modulated RF signal to…
Amplifier switching control systems and methods
Granted: November 8, 2022
Patent Number:
11496096
A first module is configured to, based on an input sample, determine a first duty cycle. A second module is configured to, based on a battery voltage and the first duty cycle, determine a second duty cycle. A third module is configured to: set a scalar value based on at least one of a battery current, an amplitude of the input sample, the second duty cycle, and an output voltage; and generate a start signal at a rate equal to a predetermined rate multiplied by the scalar value. A fourth…
Systems and methods for energy-efficient analog matrix multiplication for machine learning processes
Granted: November 8, 2022
Patent Number:
11494625
A novel energy-efficient multiplication circuit using analog multipliers and adders reduces the distance data has to move and the number of times the data has to be moved when performing matrix multiplications in the analog domain. The multiplication circuit is tailored to bitwise multiply the innermost product of a rearranged matrix formula to output the generate a matrix multiplication result in form of a current that is then digitized for further processing.
Acoustic augmentation of haptic vibration with correlated sounds
Granted: October 4, 2022
Patent Number:
11460923
Described herein are system and method embodiments of acoustic augmentation of haptic vibration with correlated sounds. Embodiments of a haptic driven signal crossing both vibration band and acoustic band are disclosed. The driven signal at the acoustic band enables a haptic in an electronic device to provide an audio augmentation for haptic vibration independent from a loudspeaker of the electronic device. Upon a touch on a touch surface is detected, a vibration request is generated…
Low-power complex analog LMS adaptation systems and methods
Granted: September 27, 2022
Patent Number:
11456898
LMS adaption systems and methods disclosed herein adaptively switch between modes of operation that selectively avoid using the imaginary part of an error signal, in effect, allowing for an LMS adaption that switches between utilizing only the real part of the error signal and utilizing the full complex error signal. Various embodiments take advantage of this added flexibility by implementing a dynamic power saving scheme that, for example, during times when high tracking performance…
Power control systems and methods for machine learning computing resources
Granted: September 20, 2022
Patent Number:
11449126
Described are context-aware low-power systems and methods that reduce power consumption in compute circuits such as commonly available machine learning hardware accelerators that carry out a large number of arithmetic operations when performing convolution operations and related computations. Various embodiments exploit the fact that power demand for a series of computation steps and many other functions a hardware accelerator performs is highly deterministic, thus, allowing for energy…
Method and circuit assembly for the resonance damping of stepper motors
Granted: September 6, 2022
Patent Number:
11437943
A method and a circuit arrangement for damping stepper motor resonances during operation of a stepper motor, in particular in the medium and high speed range, is described, wherein the coils of the stepper motor are each connected into a bridge circuit comprising semiconductor switches, in order to impress into the coils a predetermined target coil current. The resonance damping is achieved by activating a passive FD-phase in the zero crossing of the target coil current, during which all…
Chromatic dispersion equalizer adaption systems and methods
Granted: May 3, 2022
Patent Number:
11323184
Described herein are systems and methods that perform coarse chromatic dispersion (CD) compensation by applying precomputed coarse front-end equalizer (FEE) tap weights to a receiver based on an assumed propagation distance. After a waiting period, the FEE tap weights are applied, and it is determined whether the FEE tap weights cause a decision-directed tracking of channel rotations to satisfy a stability metric. In response to the stability metric not being satisfied, the assumed…
Intelligent current limiter for a computing device
Granted: May 3, 2022
Patent Number:
11320881
A mobile computing device includes one or more digital signal processors, each configured to receive a respective digital signal, one or more amplifiers, each configured to receive a respective digital signal, and one or more output generators configured to receive an output of a respective amplifier, and a battery configured to supply power to at least the amplifier(s). The digital signal processors include an intelligent current limiter. The intelligent current limiter is configured to…
Transistors drivers with fast shutdown-capability, and associated systems and methods
Granted: April 26, 2022
Patent Number:
11316510
A method for quickly shutting down a transistor in a switching circuit includes (a) generating a feedback signal associated with current flowing through the transistor, (b) transmitting the feedback signal through an isolating device to a controller, (c) detecting an over-current condition in the switching circuit without transmitting information through the isolating device, and (d) shutting-down the transistor in response to detecting the over-current condition, without transmitting…
LDMOS transistors including vertical gates with multiple dielectric sections, and associated methods
Granted: April 26, 2022
Patent Number:
11316044
A lateral double-diffused metal-oxide-semiconductor transistor includes a silicon semiconductor structure and a vertical gate. The vertical gate include a (a) gate conductor extending from a first outer surface of the silicon semiconductor structure into the silicon semiconductor structure and (b) a gate dielectric layer including a least three dielectric sections. Each of the at least three dielectric sections separates the gate conductor from the silicon semiconductor structure by a…
Temperature-based control of inductor demagnetization
Granted: April 19, 2022
Patent Number:
11309152
An integrated circuit for demagnetizing an inductive load includes a first switch to control current supplied by a voltage supply to the inductive load. A Zener diode includes an anode connected to a control terminal of the first switch and a cathode connected to the voltage supply. A second switch includes a control terminal and first and second terminals. A temperature sensing circuit is configured to sense a temperature of the first switch and to generate a sensed temperature. A…
Vertically structured pad system
Granted: April 5, 2022
Patent Number:
11296019
A vertically structured pad system and method can include: a platform having etch attributes, a platform top surface, and a platform side surface; a structure on the platform, the structure including a structure side surface extended up from the platform top surface terminating in a structure top surface, the structure including a structure interior surface defining a cavity within the structure, and the platform top surface exposed from within the cavity; and an interconnect structure…
Ultra-wide band frequency offset estimation systems and methods for analog coherent receivers
Granted: February 15, 2022
Patent Number:
11251766
Described herein are systems and methods that allow for correcting a residual frequency offset in the GHz frequency range by using low-complexity analog circuit implementations of a broad-band frequency detector that comprises two analog polyphase filters in a dual configuration. Each filter comprises an RC network of cross-coupled capacitors that facilitate filters with opposite passbands and opposite stop-bands. In various embodiments, the outputs of the two filters are combined to…
