Abstract: A method of controlling a lighting device is disclosed. The method comprises: detecting a first location of a user in an area, obtaining a second location of the lighting device and/or its light effect in the area, obtaining object information about an object, the object information comprising at least dimensions of the object and a third location of the object in the area, determining, based on the first, second and third location and the object dimensions, if the object is located between the user and the lighting device and/or its light effect, and controlling the lighting device based on the determination.

Abstract: The present disclosure provides intelligent lighting control systems.

Abstract: A driving circuit (10) to generate a signal pulse for operating a light-emitting diode (20) comprises an external terminal (LEDK, LEDA) to connect the light-emitting diode (20) to the driving circuit (10). In a first operating state/pre-charge state of the driving circuit (10), a first controllable switching circuit (100) connects a first side (301) of a capacitor (300) to a reference potential (Vref) and a second controllable switch (200) connects a second side (302) of the capacitor (300) to one of a supply and ground potential (VDD, VSS). In a second operating state of the driving circuit (10), the first controllable switching circuit (100) connects the first side (301) of the capacitor (300) to said one of the supply and ground potential (VDD, VSS) and the second controllable switch (200) connects the second side (302) of the capacitor (300) to the external terminal (LEDK, LEDA) to provide a signal pulse for operating the light emitting diode.

Abstract: A vehicle includes a puddle lamp control system configured to control a puddle lamp to display vehicle identification information, passenger information, advertisements, company logos, and other information on a ground surface proximate to the vehicle. The puddle lamp control system may communicate with a central server using high-speed wireless communication protocols such as Wi-Fi, Wi-max, or other protocols to select images and animations based on vehicle location and pedestrian activity nearby the vehicle. The system may also activate the vehicle puddle lamps based on vehicle sensor triggers associated with vehicle location, based on population and pedestrian density indicative of potential message viewers indicating when pedestrians are close enough to the vehicle to view the advertisement, and based on ridehail activity such as ridehail user information, and seat assignments. The messages and images may be customized using an interface device onboard the vehicle.

Abstract: The disclosure provides a method, a device and a system for controlling partition lighting of a conference room based on a wireless networking technology. The lighting equipment is divided into at least one group according to the area, and each group of lighting equipment has an independent lighting equipment group number. The method includes: presetting at least one working mode and a corresponding lighting equipment group number, generating and storing at the control panel a worksheet, querying the worksheet, and obtaining a lighting equipment group number, broadcasting a wireless control command carrying the lighting equipment group number, and performing a corresponding operation according to the wireless control command.

Abstract: A communication network for networking lighting systems of home and office technology involves an application on a mobile terminal that can control lighting systems in the surroundings of the mobile terminal. The lighting systems in the interior of a vehicle are also networked and the lighting systems are controlled depending on the lighting settings of a screen of the mobile terminal.

Abstract: An LED lighting driver has a switched mode power supply which generates an auxiliary power supply. The auxiliary power supply circuit has a first power supply inductor and a second power supply inductor in series with each other. The second power supply inductor is selectively switched into or out of the auxiliary power supply circuit, thereby varying a transformer ratio to the main energy storage inductor. The switching may be made based on a light output mode or a standby mode being in operation. The standby mode then enables more efficient generation of an auxiliary supply voltage.

Abstract: An antenna structure capable of transmitting radio waves in multiple polarizations is positioned on a circuit board. The circuit board includes upper and lower surfaces and peripheral side wall. The antenna structure includes a first antenna array, a second antenna array, and a control circuit. Each antenna unit of the first antenna array is positioned on one of the upper surface or the lower surface, a portion of each antenna unit of the second array is positioned on the peripheral side wall. The other portion of each antenna unit bended and positioned on at least one of the upper surface or the lower surface. In activating the first antenna array and the second antenna array the control circuit can generate radio transmissions in multiple polarizations. A wireless communication device is also provided.

Abstract: A muzzle flash simulator for simulating the visual effect of muzzle flash of the real firearms, configured to illuminate projectiles passing away from an internal passage, includes multiple illuminating components and multiple combinations of sets of instructions for each one of the illuminating components at indicated time periods, to create various beam effects in front of the internal passage.

Abstract: The disclosure provides an antenna module adapted for an electronic device having a metal casing. The antenna module includes an antenna structure and a slot structure. The antenna structure includes a radiation portion, a feeding portion, a ground portion and an extension portion, wherein the feeding portion, the ground portion and the extension portion are connected to the radiation portion. The slot structure has an open end and a closed end, wherein the open end of the slot structure is adjacent to the extension portion of the antenna structure. The antenna structure is excited and resonates to generate a first antenna resonant mode, and the slot structure is coupled to the antenna structure and resonates to generate a second antenna resonant mode.

Abstract: In an array antenna apparatus, a first height of top faces of plurality of antenna elements is greater than or equal to a second height of a first top of a first electronic component relative to a first primary surface. The first electronic component is the tallest among one or more electronic components mounted on fourth primary surfaces of one or more first external circuit boards. A third height of a second primary surface is greater than a fourth height of fourth primary surfaces. Accordingly, the array antenna apparatus has good antenna characteristics.

Abstract: A control method for a luminaire with a daylight sensor, comprising: obtaining a first value (?) representative for the angle of the sun with respect to the horizon; if the obtained first value is within a first predetermined range corresponding with a dusk or dawn range, performing the following steps: obtaining a second value (Ev) representative for a light level using the daylight sensor of the luminaire; and controlling the switching on or off of the luminaire when the obtained second value (Ev) fulfils a first predetermined criterion; registering over time, for at least one determined obtained second value, at least one corresponding obtained first value (?); and/or, for at least one determined first value, at least one corresponding obtained second value (Ev); adjusting the first predetermined criterion based on the registrations over time.

Abstract: Apparatus for controlling a plurality of lighting devices to emit light, the controller comprising: a lighting interface for transmitting control commands to each of the plurality of lighting device in order to control the plurality of lighting devices; and a controller configured to: obtain orientation information indicative of an orientation of a user device and based thereon determine the orientation of the user device; obtain location information indicative of a location of the user device and based thereon determine the location of the user device; process the determined orientation of the user device and the determined location of the user device to determine one or more lighting settings for one or more of the plurality of lighting devices; and selectively control, via the lighting interface, the one or more lighting devices to emit light in accordance with the one or more determined lighting settings.

Abstract: A system for controlling LED lightbox power supplies, comprises the lightbox supplies disposed inside a lightbox and correspondingly connected with LED light bars one by one. All the lightbox power supplies are connected in series with one another via a 485 communication bus. Meanwhile, a wireless communication device connected in series with the lightbox power supplies is further mounted inside the lightbox. A gateway device for wirelessly connecting with the wireless communication device and uploading data acquired to a cloud server, is arranged outside the lightbox. A sensor set connected in a wired manner with the wireless communication device is arranged on an outer wall of the lightbox.

Abstract: The present invention discloses a lighting installation having an LED lamp (19), normally consisting of a series string of individual LED's (18), which is supplied by a rectifier (20, 200). A control circuit (23, 23 & C1) is interposed between the rectifier and the AC supply which powers the rectifier. Various circuits for filtering, power factor control, multi-phase operation and dimming, for example by phase switching, are disclosed. In particular, the control carried out by the control circuit takes place on the AC side of the rectifier. Also disclosed are the control circuit per se and a method of converting a High Intensity Discharge (HID) lamp installation into a Light Emitting Diode (LED) installation. The control circuit can take the form of an inductor, an inductor and series capacitor, a shunt inductor, a leakage reactance transformer, a constant current transformer, an autotransformer, an isolation transformer or a ferro-resonant transformer.

Abstract: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled together via an accessory wiring. The main device can be wired on the line side and the load side of the load control system. The main device is configured to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half cycle of the AC power source. The main device and the remote devices are configured to communicate with each other via the accessory wiring during a second time period of the half cycle, for example, by actively pulling-up and actively pulling-down the accessory wiring to communicate using tri-state logic.

Abstract: There is provided a lighting device comprising an exhaust tube and a wireless communication antenna arranged inside the exhaust tube. There is also provided a method for producing such a lighting device.

Abstract: A microwave sensor device is for detecting activity and for sending and/or receiving a communications signal to/from a second microwave sensor device. A microwave transceiver is used for transmitting a microwave transmit signal and for receiving a microwave receive signal. For motion detection, the microwave receive signal is a reflected version of the microwave transmit signal and the signals are processed to identify first signal characteristics. For communication, the microwave transmit signal is a communications signal for detection at another sensor device. The transmit and microwave receive signals are processed to identify second characteristics. This sensor device detects motion and also transmits and/or receives a communications signal using the same transceiver. In particular, the communications signal is designed to be detected by a remote sensor device in the same way as for motion detection.

Abstract: A dimming circuit and a lighting device includes a signal processing unit having a first controllable switch connected to a to-be-processed dimming signal, a first port of a controller, and a first voltage signal; the to-be-processed dimming signal and the first voltage signal controlling turning-on/off the first controllable switch, the to-be-processed dimming signal being converted into a second voltage signal, and outputted from the second terminal to the controller; and the controller, extracting a corresponding dimming control signal based on change of the second voltage signal, and outputting the dimming control signal to a to-be-dimmed terminal. This circuit converts a electrical signal implements dimming control in conjunction with the controller, and the controller only processes weak electrical signals, thereby guaranteeing the reliability of the output voltage of the dimming circuit, and preventing the output voltage of the dimming circuit from harming the to-be-dimmed terminal.

Abstract: A lighting memory device and a memory module are provided. A lighting control circuit receives at least one lighting mode selection signal through lighting mode control pins and controls luminous characteristics of a plurality of light sources according to a lighting control mode corresponding to the lighting mode selection signal.