Abstract: The present disclosure provides a silicon-controlled silicon (SCR) current-protection circuit. The SCR circuit includes an SCR detection circuit and a protection circuit, a first terminal of the SCR detection circuit being connected to a current sampling point on an output terminal of an SCR device, a second terminal of the SCR detection circuit being connected to a power conversion circuit, a third terminal of the SCR detection circuit being connected to a first terminal of the protection circuit, and a second terminal of the protection being connected to the power conversion circuit. When the SCR device is connected to the SCR current-protection circuit, the SCR detection circuit is configured to detect a current flowing through the current sampling point, convert the current to a voltage, and output the voltage to the protection circuit. The protection circuit is further configured to control on and off states of the power conversion circuit based on the voltage.

Abstract: A high-speed automatic multi-object tracking method with kernelized correlation filters is provided. The method includes obtaining an image frame from a plurality of image frames in a video, extracting a foreground object sequence from the obtained image frame, and determining similarity between each foreground object of the extracted foreground object sequence and a tracked object. The method also includes calculating HOG features of the foreground objects with a lower similarity, obtaining training samples for each of the foreground objects with the lower similarity using a circular matrix, obtaining a classifier via a kernel method accelerated by FFTW, and obtaining tracking points using a sparse optical flow. Further, the method includes detecting object matching responses using a detection response function, performing multi-scale analysis for the object based on an optical flow method, and processing a next image frame of the plurality of image frames in the video until the video ends.

Abstract: A system for remote monitoring based on an LED lighting device is provided. The system includes a smart terminal configured to check regularly data and status of the LED lighting device stored in a cloud server and a wireless router configured to provide a wireless network. The LED lighting device includes a Wi-Fi module and a microwave sensor module, where the Wi-Fi module is configured to connect the LED lighting device to the wireless network, perform real-time data acquisition on the microwave sensor module, and upload the acquired data to the cloud server in real time; and the microwave sensor module is configured to detect object movement within an effective range. Further, the system includes the cloud server configured to receive information about an abnormal object moving within the effective range sent from the Wi-Fi module, and send the received information to the smart terminal.

Abstract: The present disclosure provides a smart home control system including at least one LED lighting device, a smart home control server and at least one smart terminal. The LED lighting device includes an LED light-emitting module, a power supply module, a video acquisition module, a processing module and a communication module. The video acquisition module may be configured to collect video data within a camera detection range, and send the video data to the processing module. The processing module controls the communication module to send the video data to the smart home control server. The smart home control server parses and recognizes the video data to detect behavioral information, generates control instructions according to the behavioral information, and sends the control instructions to the smart terminal.

Abstract: The present disclosure provides a lighting control system and method thereof. The lighting control system includes: a primary lighting device having a wireless module and a plurality of secondary lighting devices. The primary lighting device and the secondary lighting devices communicate with one another by power line communication (PLC). The primary lighting device is configured to receive a control signal through at least one of power lines and the wireless module, and send the control signal to the secondary lighting devices.

Abstract: The present disclosure provides an LED lighting device, and the related smart access control systems and methods. The LED lighting device may be installed outside an entrance door and include an LED light-emitting module, a lighting controller, an image acquisition module and a wireless communication module. The image acquisition module is configured to collect a facial image of a person outside the entrance door, and send the collected facial image to the lighting controller. The lighting controller is configured to control the LED light-emitting module to emit light, and send the facial image to the wireless communication module. The wireless communication module is configured to send the facial image to a server. The server matches the facial image with user pre-stored facial feature templates and sends an instruction to open the entrance door when a successful match is found. The LED lighting device and the server form a smart access control system.

Abstract: A color-temperature adjustable light-emitting diode (LED) lighting device and a method for adjusting the color temperature of an LED lighting device are provided. The color-temperature adjustable LED lighting device includes: a power supply module, a micro-control unit (MCU), an adjustable LED driving power supply having a positive output terminal and a negative output terminal, a cool white LED array, a warm white LED array, a first switch circuit, a second switch circuit, a first current detection circuit, and a second current detection circuit. The power supply module is connected to an input terminal of the MCU and an input terminal of the adjustable LED driving power supply.

Abstract: The present disclosure provides an audio broadcast system and method. The audio broadcast system includes a primary device including a primary wireless communication module and an audio broadcast module; and one or more secondary devices each including a secondary wireless communication module and an audio broadcast module. The primary device and the one or more secondary devices form a wireless transmitting linking path. The primary device is configured to receive a first audio data from an external device, and to send the first audio data to the one or more secondary devices by using the primary wireless communication module. Further, the secondary wireless communication module is configured to receive the first audio data from the primary device or from a different connecting secondary device; and the audio broadcast modules of the primary device and the one or more secondary devices are configured to broadcast the first audio data.

Abstract: The present disclosure provides a dimmer control circuit, a dimmer control method and a lighting device. The dimmer control circuit includes: a dimming output end configured to connect to a dimmer, a load terminal configured to connect to a load, a detection-control module, and a current holding module. An input end of the detection-control module is connected to an output end of the dimmer. An output end of the detection-control module is configured to: control the current holding module to connect to the load terminal when the dimming output end is connected to a SCR-based leading-edge phase cut dimmer, and control the current holding module to disconnect from the load terminal when the dimming output end is not connected to the SCR-based leading-edge phase cut dimmer. The current holding module is configured to supply a holding current to the SCR-based leading-edge phase cut dimmer connected to the dimming output end.

Abstract: The present disclosure provides a Light Emitting Diode (LED) illuminating apparatus. The illuminating apparatus includes a first antenna, a second antenna, a signal amplifying unit, an LED lighting unit, and an LED driving power supply. The LED driving power supply is connected with the signal amplifying unit and the LED lighting unit to drive the LED lighting unit to emit light and to provide power to the signal amplifying unit. The first antenna and the second antenna are connected to the signal amplifying unit. The first antenna receives a base station signal, and transmits the base station signal to the signal amplifying unit. The signal amplifying unit amplifies the base station signal, and transmits the amplified base station signal to the second antenna. The second antenna transmits the amplified base station signal to a terminal. The second antenna further receives a terminal signal, and transmits the terminal signal to the signal amplifying unit.

Abstract: The present disclosure provides a light-emitting diode (LED) lighting device. The LED lighting device includes a lamp base, a glass shell, a heat-dissipating cup, a driving power source, an LED light source module, and an optical portion. The LED light source module, the heat-dissipating cup, and the driving power source are arranged from top to bottom inside the glass shell. A top portion of the glass shell is connected to the optical portion and a bottom portion of the glass shell is connected to the lamp base. The heat-dissipating cup faces upwardly and an outer sidewall of the heat-dissipating cup forms a close contact with an inner sidewall of the glass shell. The LED light source module is fixed within the heat-dissipating cup. The driving power source is positioned under the heat-dissipating cup and a space is formed between the driving power source and the heat-dissipating cup.

Abstract: A distributed task system based on internet of things and a related service processing method are provided. The system can include a trigger for receiving data sent by a smart device or a user in the internet of things, a task scheduling module and a plurality of processing units. The task scheduling module can instantiate a service processing flow according to the data received by the trigger, and can sequentially schedule and start multiple processing units according to the service processing flow. Each processing units can execute a certain stage task of the service processing flow, and send an execution result of the certain stage of the service processing flow back to the task scheduling module. And the task scheduling module can notify the smart device or the user of a final execution result of one processing unit that executes a final stage task of the service processing flow.

Abstract: In accordance with various embodiments of the disclosed subject matter, a smart networking method, and a related smart device are provided. A smart networking method includes obtaining an identification of a WIFI hotspot; broadcasting connection information comprising the identification of the WIFI hotspot to prompt a user to choose whether to connect to the WIFI hotspot; collecting selection audio information from the user, and parsing the audio information to obtain a selection result of the user; in response to receiving the selection result selecting to connect to the WIFI hotspot, generating a password message for prompting the user to provide an access code of the WIFI hotspot, and broadcasting the password message; collecting password audio information from the user, parsing the password audio information to determine an access code of the WIFI hotspot, and connecting to the WIFI hotspot based on the access code.

Abstract: In accordance with various embodiments of the disclosed subject matter, a lighting control method, a related lighting apparatus and system are provided. One embodiment of the present disclosure provides a lighting control method. The method includes detecting a connection status of a wireless network component of a lighting apparatus and controlling a working status of an illumination component of the lighting apparatus based on the connection status.

Abstract: The present invention provides a multifunctional LED device and multifunctional speaker system. The multifunctional LED device includes a power supply unit; a control unit configured to process audio signals and control commands; an audio power amplifier configured to drive a speaker; a speaker; a first wireless transceiver configured to communicate with a smart terminal; a second wireless transceiver configured to communicate with other LED devices; and an LED light source. The multifunctional speaker system includes several multifunctional wireless LED devices configured to works as wireless speakers, and a smart terminal to control the system remotely. The smart terminal may communicate with and control all the multifunctional LED devices. The multifunctional LED devices may communicate with each other. Two multifunctional LED devices may be configured as a 2.0-channel speaker system. Other speaker systems, such as 2.1-channel, 5.

Abstract: A fast object detection method based on deformable part model (DPM) is provided. The method includes importing a trained classifier for object detection, receiving an image frame from a plurality of frames in a video captured by a camera, and identifying regions possibly containing at least one object via objectness measure based on Binarized Normed Gradients (BING). The method also includes calculating Histogram of Oriented Gradients (HOG) feature pyramid of the image frame, performing DPM detection for the identified regions possibly containing the at least one object, and labeling the at least one detected object using at least one rectangle box via non-maximum suppression (NMS). Further, the method includes processing a next frame from the plurality of frames in the captured video until the video ends and outputting object detection results.

Abstract: A power circuit for an LED lighting device including an alternative current (AC) power supply, a dimmer, a transformer and a dimming control circuit. The dimming control circuit includes a filtering unit configured to filter a voltage signal outputted from the transformer and a rectifying unit configured to receive the signal outputted from the filtering unit and rectify the signal to a DC signal. The dimming control circuit also includes a boost converter unit configured to boost the received DC voltage to a needed DC voltage and a voltage feedback control circuit unit configured to control the DC voltage boosted by the boost converter unit. Further, the dimming control circuit includes a buck converter unit configured to convert the boosted DC voltage to the voltage and current needed by the LED lighting device and a digital control unit configured to automatically adjust current strength needed by the buck converter unit.

Abstract: A wireless speaker system is provided. The system includes at least one main light emitting diode (LED) lighting device including a wireless fidelity (Wi-Fi) radio frequency module and a wireless audio module. The system also includes at least one auxiliary LED lighting device including the wireless audio module. Further, the system includes a smart terminal. The main LED lighting device is wirelessly connected to the smart terminal through the built-in Wi-Fi radio frequency module. The smart terminal sends an audio signal to the main LED lighting device, and then the wireless audio module in the main LED lighting device transmits the audio signal to the auxiliary LED lighting device. The auxiliary LED lighting device sends feedback information to the smart terminal through the main LED lighting device.

Abstract: A wirelessly-controlled lighting device and method with an audio playing function is provided. The wirelessly-controlled lighting device includes a lighting assembly, an audio playing module, a first Bluetooth module connecting with the lighting assembly and the audio playing module and a second Bluetooth module connecting with the audio playing module. The first Bluetooth module is configured to receive a control signal from an external device, the control signal including a first control signal used to control the lighting assembly and a second control signal used to control the audio playing module. The second Bluetooth module is configured to receive audio data from the external device to transmit the audio data to the audio playing module for audio playing. The audio playing is controlled according to the second control signal received by the first Bluetooth module.

Abstract: The present disclosure provides an audio broadcast system and method using lighting devices. The audio broadcast system includes a primary lighting device and secondary lighting device(s). Each lighting device includes a Bluetooth module and an audio broadcast module. The primary lighting device and the secondary lighting device(s) are connected to form a wireless transmitting linking path through the Bluetooth modules. The Bluetooth module of the primary lighting device is configured to receive a first audio data from an external device, and to send the first audio data to the secondary lighting device(s). The Bluetooth modules of the secondary lighting device(s) are configured to receive the first audio data from the connected primary lighting device or from connected other secondary lighting device(s). The audio broadcast modules of the primary lighting device and the secondary lighting device(s) are configured to broadcast the first audio data.