Analog Devices International Unlimited Company

Intel Corporation

Sap Se

Opple Lighting Co., Ltd.

Analog Devices Global Unlimited Company

Hangzhou Broncus Medical Co., Ltd.

Jie He

Danzhu Lu

Jian Wang

Liang Wang

Yang Hu

Zhixian Zhou

Wei Wen

Langyuan Wang

Xuemin Wang

Tianhang Zheng

Wanghui Yan

Weihan Wang

Juan Bian

Lin Cai

Yihui Chen

Jianwei Chen

Tao Lin

Hong Tao Liu

Yan Chen

Fei Sun

Hua Zhang

Brandon Day

Yongsheng Wang

Junhua Hou

Suyi Yao

Xiaoling Zhou

Zhi Hong Yu

Shixin Liu

Zhenjun Zi

Xiangning Ma

Yanbing Li

Alex Xiao

Yubo Lou

Wendy Mao

An apparatus and method are described for graphics virtualization with late synchronization. For example, a virtualized graphics execution environment is implemented on a host, including a hypervisor to virtualize graphics processing resources for one or more virtual machines (VMs). A plurality of graphics commands are received responsive to execution of a graphics application in one of the VMs. The graphics commands are persisted until a frame triggering event is detected. Upon detection of a frame triggering event, the persisted graphics commands are submitted to the host.

Apparatus and method for graphics virtualization with late synchronization

Embodiments are generally directed to methods and apparatuses for compression of graphics processing commands. An embodiment of a method for data processing comprising: capturing a first graphics processing command including vertex data; constructing a data array having a plurality of data vectors from the vertex data; determining whether the data array is of a specific data type; in response to the data array being of the specific data type, determining whether a semantic property of the data array is color; and in response to the semantic property being color, determining a plurality of representative data vectors that are different from each other in the plurality of data vectors; constructing a palette array having a plurality of palette vectors each containing data elements of a corresponding one of the plurality of representative data vectors and a palette vector identifier; and generating a modified first graphics processing command by replacing the data array with the palette array and a sequence of palette vector identifiers.

Method and apparatus for compression of graphics processing commands

Methods, systems, and computer-readable storage media for receiving, by an anomalous operation detection service, current signal data representing a driving current applied to a device over a time period, processing, by an anomalous operation detection service, the current signal data through a deep neural network (DNN) module, a frequency spectrum analysis (FSA) module, and a time series classifier (TSC) module to provide a set of indications, each indication in the set of indications indicating one of normal operation of the device and anomalous operation of the device, processing, by an anomalous operation detection service, the set of indications through a voting gate to provide an output indication, the output indication indicating one of normal operation of the device and anomalous operation of the device, and selectively transmitting one or more of an alert and a message based on the output indication.

Internet-of-Things edge services for device fault detection based on current signals

Embodiments of the present disclosure describe frequency detection techniques for detecting power irregularities. These irregularities may include variations or abnormalities in switched-mode power supply circuit switching behavior, power spikes, and/or output oscillations. The frequency detection techniques may compare different frequency components of the power signal to detect irregularities.

Detection of power supply circuit irregularities

A computer-implemented method for failure diagnosis using fault tree can include: receiving a fault tree comprising a node representing a top event, a plurality of nodes representing respective basic events, and one or more logic gates connecting the plurality of nodes representing the respective basic events to the node representing the top event; obtaining reliability parameters corresponding to the basic events; calculating fault tree importance measures corresponding to the basic events; calculating failure impact factors of the top event corresponding to the basic events, wherein the failure impact factors of the top event are products of the corresponding reliability parameters and the corresponding fault tree importance measures; ranking the basic events based on the failure impact factors of the top event; and identifying a most significant contributor to the top event, wherein the most significant contributor is a basic event having the highest failure cause probability of the top event.

Systems and methods for failure diagnosis using fault tree

Systems and processes for identifying a pointer in an image of an analog instrument are provided herein. An instrument contour in the image corresponding to the analog instrument may be identified. A plurality of candidate pointer contours in the image may be identified and screened using one or more geometric property screening techniques including an evaluation of a geometric area, a distance parameter, and/or a gravity center of the plurality of candidate pointer contours. Principal component analysis (PCA) may be performed to select an identified pointer contour from among the reduced plurality of candidate pointer contours. A linear regression model may be applied to pixel points in the contour area of the identified pointer contour and a slope and angle of an associated pointer represented by the identified pointer contour may be determined based on an output of the linear regression model.

Pointer recognition for analog instrument image analysis

A marker for use in the lung of patients for marking the position of a lesion in the lung, wherein the marker comprises a self-expandable structure capable of self-expanding when released from a constricting device so as to implement marking function. Because the marker for use in the lung of a patient employs the self-expandable structure, when the position of a lesion is detected during a lung examination, the marker can be delivered to the position of the lesion via a catheter or a delivering device and substantively pressed and fixed by the lung when expanded at the lesion positions; as such, the lesion position can be located quickly by a surgeon during a surgery, the surgery time is shortened, the area of resection is reduced, and the post-surgery quality of life is improved for a patient.

Marker for use in the lung of patients

This disclosure describes techniques for controlling switching regulator switching operations. The techniques include selecting a given one of a plurality of clock signals based on a control signal. The techniques further include generating, by the switching regulator, an output voltage from an input voltage by controlling one or more switches according to a switching frequency that corresponds to the selected given one of the plurality of clock signals. The techniques further include varying the switching frequency of the switching regulator by changing a value of the control signal, used to select the given one of the plurality of clock signals, according to a given one of a plurality of refresh rate control signals that corresponds to the selected given one of the plurality of clock signals having respective values that correspond to respective ones of the plurality of refresh rate control signals.

Counter-based frequency hopping switching regulator

Techniques are provided for providing and maintaining an efficient deadtime for a switching circuit as the input voltage varies. In example, a switching circuit can include a control circuit configured to alternately switch the first switch and the second switch into and out of a low impedance state, and to prevent the first switch and the second switch from shorting the first supply rail with the second supply rail using a dead-time before a transition to the low impedance state of each of the first and second switches. The control circuit can a delay element that includes a compensation delay circuit configured to change in-kind with a change of a voltage difference between a first input supply rail and a second input supply rail of the switching circuit, and to limit a range of the dead-time over a range of the voltage difference.

Dead-time supply voltage compensation

This disclosure describes techniques for controlling switching regulator switching operations. The techniques include generating, using an inductor, a plurality of output voltage signals from an input voltage by controlling one or more switches that vary charging operations of the inductor; generating a feedback control signal based on whether the plurality of output voltage signals are within a range of target values corresponding to the plurality of output voltage signals; selecting a second output voltage signal of the plurality of output voltage signals when the feedback control signal indicates that a first output voltage signal exceeds the range of a first target value of the target values that corresponds to the first output voltage signal; and controlling the one or more switches of the switching regulator based on a difference between the selected second output voltage signal and a second target value.

Single inductor multiple output adaptive loop control

Techniques for compensating temperature-dependent aspects of oscillator circuits are provided. In an example, an oscillator circuit can include an oscillator capacitor, a comparator and overshoot compensation circuitry for providing an oscillation period insensitive to a temperature-dependent comparator overshoot. The oscillator capacitor can be charged during a charging portion of the oscillation period and can be discharged during a discharging portion of the oscillation period. The comparator can determine when the oscillator capacitor has been charged to a first threshold. The overshoot compensation circuitry can store an indication of temperature-dependent comparator overshoot and, in response, generate and apply an adjustable reference voltage or pre-charge to a terminal of the oscillator capacitor.

Oscillator temperature compensation techniques

The subject disclosure includes paralleling of monolithic embedded low drop-out (LDO) linear regulator power rails to provide additional load current, while maintaining accurate current sharing and balancing between the paralleled LDOs without additional power consumption for different load current requirements. Lossless current sensing is used to sense the current for each channel. An offset generator compares the voltages for a master channel and one or more slave channels, and generates an offset voltage according to the sensed error. The offset voltage is added between an input reference voltage and an output regulated voltage to cancel the offset of each channel, so the current of each channel is substantially the same. The lossless current sensing can be realized with equivalent series resistance compensation or current limit sensing. The offset generator can be realized with a resistor and current mirror topology or an input pair added to an error amplifier input.

Lossless current balancing and sharing between paralleled linear voltage regulators

Embodiments of the present disclosure disclose an illuminating device, a control method thereof and a control system thereof, which can acquire the color of an illuminated object and adjust irradiating light emitted by the illuminating device according to the color of the object. The control method includes switching on the illuminating device to project initial detection light to an illuminated object, acquiring initial reflected light of the illuminated object, obtaining an initial color of the illuminated object according to the initial reflected light, switching off the illuminating device projecting the initial detection light to the illuminated object, acquiring an environment color of an environment provided with the illuminating device, correcting the initial color according to the environment color to obtain a corrected color, acquiring target irradiating light according to the corrected color, and controlling the illuminating device to project the target irradiating light to the illuminated object.

Illuminating device, control method thereof and control system thereof

Embodiments of the present disclosure disclose an illuminating device, a control method thereof and a control system thereof, which can precisely adjust the color of irradiating light according to the color of an object. In the embodiment of the present disclosure, a next detection light is obtained according to reflected light of a previous detection light. When the color difference of reflected light of the previous detection light and the next detection light is less than a preset color difference range, the illuminating device is controlled to project the next detection light to an illuminated object.

Growing community of inventors

Shanghai, China

Jie He