MIPI TRANSLATION IN GMSL TUNNEL MODE
Granted: January 20, 2022
Application Number:
20220021756
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…
SYSTEMS AND METHODS FOR IDENTIFYING POLARIZATION/QUADRATURE CHANNELS IN DUAL-POLARIZATION COHERENT OPTICAL TRANSMISSION
Granted: November 4, 2021
Application Number:
20210344533
Described are systems and methods for identifying the phase and polarization of independent modulation streams in quadrature channels of a coherent transmission system by using digital code. As a result, phase rotation and polarization of streams that during transmission may have become rotated and swapped around in the channel are correctly labeled and depermuted according to a known and predictable order.
SYSTEMS AND METHODS TO CABLE SHIELD FAULT DETECTION AND PROTECTION
Granted: November 4, 2021
Application Number:
20210344191
Described are system and method embodiments for shield fault detection to protect the cable, components and other circuits connected to the cable shield, and to avoid high short circuit currents flowing from a power source to ground during unexpected events. A threshold voltage detector and a slope detector may be used to sense the voltage on a shield pin switchably coupled to ground via a shield ground. Method embodiments to distinguish the shield ground switch current caused by a…
SYSTEMS AND METHODS FOR GATE DRIVER WITH FIELD-ADJUSTABLE UVLO
Granted: October 28, 2021
Application Number:
20210336454
Systems and methods for gate driver with field-adjustable undervoltage lockout (UVLO) are disclosed. A gate driver system comprises a control circuit and a driver circuit. The driver circuit incorporates a field-adjustable UVLO, a control logic, and an inverter. The level of the field-adjustable UVLO is adjustable by an external circuit, which can be a resistor based voltage divider. By setting the UVLO level externally adjustable and by moving a reference ground to the external voltage…
SYSTEMS AND METHODS TO SAFELY DISCHARGE INDUCTORS WITHOUT ENERGY LIMITATIONS
Granted: September 30, 2021
Application Number:
20210304941
Embodiments of a discharge circuit are disclosed for quickly and safely discharging energy from an inductor load. The discharge circuit comprises a first switch, a second switch and a voltage regulator. The inductor load couples between the first switch and the second switch. During fast demagnetization, a high side switch is tuned off to decouple the load from a voltage source and the second switch is turned on. Voltage on one end of the load is pushed high and maintained at a…
SYSTEMS AND METHODS FOR FAULT DETECTION AND REPORTING THROUGH SERIAL INTERFACE TRANSCEIVERS
Granted: September 30, 2021
Application Number:
20210302488
Circuitry, systems, and methods for fault detection and reporting comprise a fault detection circuit configured to detect one or more fault conditions that cause a state change in a fault pin voltage representative of a transceiver failure. Once the state of the fault pin voltage changes, a transceiver input generates a fault detection code. In embodiments, in response to the transceiver input receiving a first signal, the fault detection code is shifted to a transceiver output that may…
LOW-POWER COMPLEX ANALOG LMS ADAPTATION SYSTEMS AND METHODS
Granted: July 22, 2021
Application Number:
20210226823
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…
METHOD AND CIRCUIT ARRANGEMENT FOR CONTROLLING A STEPPER MOTOR
Granted: July 22, 2021
Application Number:
20210226566
Described is a method and a circuit arrangement for controlling a stepper motor in a voltage-controlled or voltage-regulated operating mode, having a bridge circuit provided for a motor coil (A) with semiconductor switches (HS1, HS2, LS1, LS2) for applying a first and a second PWM voltage (U(LA1), U(LA2)) having opposite polarity to the motor coil (A) and having a charge pump for switching at least the high-side semiconductor switch (HS1, HS2) of the bridge circuit. Because the charge…
ULTRA-WIDE BAND FREQUENCY OFFSET ESTIMATION SYSTEMS AND METHODS FOR ANALOG COHERENT RECEIVERS
Granted: July 15, 2021
Application Number:
20210218383
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…
SYSTEM AND METHOD FOR DUAL-PORT COMMUNICATION AND POWER DELIVERY
Granted: July 15, 2021
Application Number:
20210218595
Described herein are embodiments for dual-port communication and power delivery for one-wire applications. Embodiments of one-wire bridge devices are disclosed to provide a dual-port link for two one-wire masters to communicate with one another in a multi-voltage system while intermittently allowing charging voltage. The configuration may be used to set a bidirectional pass through mode that allows level shifted fast logic signals to pass through the two one-wire links. A timer may also…
SYSTEMS AND METHODS FOR REDUCING MEMORY REQUIREMENTS IN NEURAL NETWORKS
Granted: July 15, 2021
Application Number:
20210216868
Described herein are systems and methods for efficiently processing large amounts of data when performing complex neural network operations, such as convolution and pooling operations. Given cascaded convolutional neural network layers, various embodiments allow for commencing processing of a downstream layer prior to completing processing of a current or previous network layer. In certain embodiments, this is accomplished by utilizing a handshaking mechanism or asynchronous logic to…
SYSTEMS AND METHODS FOR IDENTIFYING POLARIZATION/QUADRATURE CHANNELS IN DUAL-POLARIZATION COHERENT OPTICAL TRANSMISSION
Granted: June 17, 2021
Application Number:
20210184903
Described are systems and methods for identifying the phase and polarization of independent modulation streams in quadrature channels of a coherent transmission system by using digital code. As a result, phase rotation and polarization of streams that during transmission may have become rotated and swapped around in the channel are correctly labeled and depermuted according to a known and predictable order.
CHROMATIC DISPERSION EQUALIZER ADAPTION SYSTEMS AND METHODS
Granted: June 3, 2021
Application Number:
20210167864
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…
ANALOG COHERENT SIGNAL PROCESSING SYSTEMS AND METHODS
Granted: May 6, 2021
Application Number:
20210135766
Real-time systems and methods prevent duplication of independent signal streams in a coherent receiver subject to source separation controlled by multiplicative coefficients under adaptive feedback control. In various embodiments, this is achieved by first obtaining a first set of coefficients associated with a first signal stream and a second set of coefficients associated with a second signal stream. In response to the sets of coefficients satisfying a condition, the first set modified…
DYNAMIC ERROR QUANTIZER TUNING SYSTEMS AND METHODS
Granted: May 6, 2021
Application Number:
20210135751
Dynamic error-quantizer tuning systems and methods prevent misconvergence to local minima by using a dynamic quantizer circuit that controls reference voltages of three or more comparators that are independently adjusted to modify the transfer function of the dynamic quantizer circuit. A weighted sum of the comparator outputs is subtracted from the input to form an error signal in a control loop. The ratio of the reference voltages is chosen to reduce or eliminate local minima during a…
MEASUREMENT SYSTEM WITH CONTROLLED PRESSURE RAMP
Granted: March 11, 2021
Application Number:
20210068682
A measurement system and method of manufacture can include: a pressure resistant structure; a pressure inducer coupled to the pressure resistant structure, the pressure inducer having an engaged configuration, the engaged configuration of the pressure inducer increasing pressure exerted on a portion of a user in contact with the pressure resistant structure; a light source coupled to the pressure resistant structure; an optical sensor coupled to the pressure resistant structure and…
OPTICAL DIAGNOSTIC SENSOR SYSTEMS AND METHODS
Granted: February 11, 2021
Application Number:
20210038080
Described are embodiments of methods for determining physiological data, such as vital signs, by using an optical diagnostic sensor, the method comprising receiving at a semiconductor material, which is located between a photodiode and a trench, an opening into silicon, or a backside wafer-level package (WLP) coating, light of a first wavelength and light of a second wavelength that are above the wavelength of red light, the semiconductor material acting as a filter that blocks…
OSCILLATION REDUCTION IN HAPTIC VIBRATORS BY MINIMIZATION OF FEEDBACK ACCELERATION
Granted: February 4, 2021
Application Number:
20210034158
Described herein are embodiments for reducing haptic vibrations for electronic devices. Embodiments of an oscillation reduction scheme learned offline are disclosed for minimizing the acceleration for a haptic vibrator. A pattern and braking generation module outputs a pattern signal for amplification and then for driving the haptic vibrator. An accelerometer measures acceleration induced by vibration from the haptic vibrator. The pattern and braking generation module adjusts the pattern…
ACOUSTIC AUGMENTATION OF HAPTIC VIBRATION WITH CORRELATED SOUNDS
Granted: February 4, 2021
Application Number:
20210034157
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…
CNN-BASED DEMODULATING AND DECODING SYSTEMS AND METHODS FOR UNIVERSAL RECEIVER
Granted: January 28, 2021
Application Number:
20210028885
Presented are systems and methods for automatically decoding and demodulating radio signals in a communication network. Embodiments utilize a one-dimensional (1D) convolutional neural network (CNN) as the key architecture of a decoder that utilizes one or more 1D convolution windows to perform convolution operations on to-be-decoded or demodulated input signals received by the communication network. In embodiments, this may be achieved by receiving, at a CNN correlator implemented in a…
