Abstract: A mobile device includes a metal back cover, an edge appearance element, a display device, a supporting element, an antenna structure, and a ground element. The edge appearance element is made of a nonconductive material. The edge appearance element is connected to the metal back cover. The display device is disposed opposite to the metal back cover. The antenna structure is disposed on the supporting element. The antenna structure is positioned between the edge appearance element and the display device. The ground element is coupled to the metal back cover. The electromagnetic waves of the antenna structure are transmitted through the edge appearance element, such that the mobile device supports wireless communication.

Abstract: A system and a method to determine beam dynamics and multi-user performance of a base station having an antenna array including multiple antenna elements are disclosed. The system includes a measurement probe antenna positioned in a mid-field of the antenna array, a reference antenna having a fixed position with respect to the base station antenna array, and a coupling probe array including multiple coupling probe antennas positioned in a reactive field of the base station antenna array for coupling RF signals of the antenna elements to selected coupling probe antennas to form a high dimension radiation channel matrix between the antenna array and the coupling probe array. The system further includes a channel emulator configured to receive the measured antenna element patterns from the measurement probe antenna, to receive the RF signals coupled to the selected coupling probe antennas, to provide bi-directional channel models of channels between the base station and user devices.

Abstract: Systems and methods for operating light emitting diodes (LEDs) circuits are provided. Aspects include a plurality of light emitting diodes (LEDs) arranged in a plurality of segments, wherein the plurality of segments comprise a first segment and a second segment, and the plurality of segments are connected in series between a rectified alternating current (AC) power source and ground and a control circuit configured to operate the first bypass switch, the second bypass switch, and the third bypass switch; and wherein the control circuit is further configured to determine a rectified voltage of the rectified AC power source and operate the third switch to turn off when the rectified voltage drops below a first threshold.

Abstract: A sensor apparatus and method of installation, and a system for controlling at least one electrical device and a method of use of such system. The apparatus comprises a mount adapted to be attached to a support and a sensor element adapted to be detachably connected to the mount. The method of installing a sensor apparatus comprises providing a sensor apparatus according to the first aspect of the present invention. The method further comprises the steps of retainably affixing the mount to, or within, the support and detachably connecting the sensor element to the mount. The system for controlling at least one electrical device comprises at least one sensor apparatus, at least one electrical device, and a controller, wherein the at least one sensor apparatus and the at least one electrical device are electrically connected to the controller.

Abstract: Lighting systems and methods implementing toggle control are provided. In one example implementation, a lighting system includes a first LED array having one or more LED devices and a second LED array having one or more LED devices. The system further includes a single throw circuit interrupter configured to receive power from a power source. The system further includes a power conversion circuit configured to convert an input power received via the toggle switch to a power output for the first LED array and the second LED array. The power conversion circuit is configured to control a power distribution ratio between the first LED array and the second LED array based at least in part on a detected toggle input (e.g., a toggle pattern) implemented using the single throw circuit interrupter.

Abstract: An antenna includes a dielectric, first to fourth antenna electrodes, and at least one probe electrode. The dielectric has first to fifth planes stacked parallel to each other in a stacking direction. The first to the fourth antenna electrodes each have an annular shape. The first antenna electrode is disposed on the first plane. The second antenna electrode is different in size from the first antenna electrode and disposed on the second plane. The third antenna electrode is disposed on the third plane. The fourth antenna electrode is different in size from the third antenna electrode and disposed on the fourth plane. The probe electrode is disposed on the fifth plane and overlaps one or both of the first and third antenna electrodes and one or both of the second and fourth antenna electrodes when seen in plan view along the stacking direction.

Abstract: A refrigerator has a door which is selectively transparent by providing a display behind the door and a light source inside the refrigerator that turns on and activates based on user input. When the light source is turned on, the display is activated while the door is closed such that the user sees the display through the door.

Abstract: A method of emitting an anti-collision light output from an unmanned aerial vehicle includes emitting a plurality of light flashes of different colors within a flash duration interval, with the flash duration interval being at most 0.2 s; wherein the plurality of light flashes within the flash duration interval comprise at least one blue light flash and at least one yellow light flash or wherein the plurality of light flashes within the flash duration interval comprise at least one cyan light flash, at least one magenta light flash, and at least one yellow light flash.

Abstract: A RGB synchronous intelligent light string assembly comprises, electrically connected, an intelligent power supply including an IP44 plug and a controller, a main wire and light strings connected in parallel thereto, wherein one end of an IP44 plug is connected to a 220 V power supply and the other end connected to a fuse, a varistor, a filter, and a filtering circuit; the filtering circuit is connected to a MOSFET and a DC-DC transformer outputting a direct current with an altered voltage to a driving module and a FET; the FET is connected with a program module, a remote-control module, a WiFi & Bluetooth module; a signal output by the FET passes through a driving module; the driving module and the DC-DC transformer are connected to a main wire end through the MOSFET. The assembly simultaneously controls colors of the light strings to promote decorative effect.

Abstract: A method of controlling illumination emitted by one or more illumination sources of a lighting system is disclosed. The method comprises automatically performing operations of: receiving from a speech recognition system a first input indicative of a first speech command; in response to the first input, controlling the lighting system to transition from a first state comprising a first value of a parameter of the illumination to a second state comprising a second value of the parameter; receiving from the speech recognition system a second input indicative of a second speech command, the second input indicating that the second speech command specifies a further change in the parameter; mapping the second input to an adjustment defined at least in part based on the first and second values of the parameter; and controlling the lighting system to transition from the second state to a further adjusted state by adjusting the parameter.

Abstract: A lighting device control system for controlling one or more lighting devices includes a gateway controller communicatively coupled with at least one lighting device. The gateway controller is configured to receive a signal indicating that a portable electronic device is in a proximate range of either the gateway controller or the at least one lighting device. Upon receipt of the signal the gateway controller is further configured to receive a light operation request from the portable electronic device, determine whether the portable electronic device is authorized to initiate the light operation request, and in response to determining that the portable electronic device is authorized to submit the light operation request, cause the at least one lighting device to emit light that exhibits the settings for the one or more optical characteristics included in the light operation request.

Abstract: A system for providing power over Ethernet emergency lighting is disclosed. The system includes a rechargeable battery pack that is charged without interfering with data signals present on a power over Ethernet link that provides normal lighting. The system includes a power loss monitor for monitoring the presence of normal lighting power present on a power over Ethernet link without interference.

Abstract: In examples, systems and methods for waveguide antenna arrays with integrated filters are described. An example waveguide antenna array element a waveguide section has a first end and second end. The waveguide section is configured to propagate electromagnetic energy. The waveguide antenna array element also includes a feed configured to launch an electromagnetic wave into the first end of the waveguide section. The waveguide antenna array element also includes a waveguide filter having at least one waveguide cavity coupled to the second end of the waveguide section. The waveguide filter is configured to pass a first set of electromagnetic frequencies and reject a second set of electromagnetic frequencies. Yet further, the waveguide antenna array element includes an antenna coupled to the waveguide filter configured to radiate a portion of the electromagnetic energy passed by the waveguide filter.

Abstract: The present application provides a handheld wireless communication device. The handheld wireless communication device includes a two part housing having an upper housing and a lower housing, the upper housing and the lower housing being rotatably coupled together via a hinge. The upper housing and the lower housing through a relative movement via the hinge can transition between an opened position and a closed position. The lower housing has a first conductor including one or more tuned structures and has a second conductor including one or more tuned structures, where each of the tuned structures of the first conductor and the second conductor are adapted for at least one of transmitting or receiving electromagnetic energy having a respective predefined range of frequencies in support of wireless communications.

Abstract: Various embodiments of the present invention relate to an antenna device and an electronic device including the same. Specifically, various embodiments of the present invention relate to an antenna device for providing short-range wireless communication of a millimeter wave (mmWave) band and an electronic device including the same. An antenna device for providing short-range wireless communication, according to various embodiments of the present invention, comprises: a first member comprising a first surface; a second member which comprises a hole or groove formed on at least a partial area thereof and a second surface facing the first surface; and an antenna module disposed at the position of the hole or groove, wherein the first surface and the second surface are spaced a predetermined distance apart from each other to induce an electromagnetic wave for the short-range wireless communication.

Abstract: A ground shield is connected to a princted circuit board or antenna card in an antenna unit cell to cover a balun to prevent or inhibit the ability of a differential signal flowing towards or through the balun from coupling with a similar differential signal flowing through an adjacent antenna card in the antenna unit cell. This ground shield may be one of a pair of ground shields on the antenna card. Two ground shield can be positioned on opposing sides of the balun to enhance isolation thereof by shielding the differential signals flowing towards and through the balun from coupling with adjacent differential signals to thereby increase bandwidth performance of the antenna unit cell. The ground shields may be generally or substantially or totally planar so as to be conformal with a substrate or dielectric layer of the antenna card or printed circuit board.

Abstract: An antenna apparatus and an electronic apparatus are provided. The electronic apparatus includes the antenna apparatus. The antenna apparatus includes a radiator, a first and a second impedance control circuit. The radiator receives and transmits a radio frequency (RF) signal. The first impedance control circuit is electrically connected to the radiator and transmits the RF signal. The second impedance control circuit includes an impedance matching circuit and an inductor. The first end of the impedance matching circuit is electrically connected to the radiator. The impedance matching circuit adjusts the impedance matching of the radiator and transmits a sensing signal. The inductor is electrically connected to the second end of the impedance matching circuit. The inductor transmits a sensing signal, and blocks the RF signal. Accordingly, the structures of the antenna and the circuit can be simplified, and the influence between the RF signal and the sensing signal can be reduced.

Abstract: Driving an LED load using a driving circuit includes controlling a power transistor coupled in series with the LED load to operate in a linear mode when an input voltage varying periodically is higher than a driving voltage for the LED load; adjusting a transistor current flowing through the power transistor based on a difference between the input voltage and the driving voltage, without calculating an error between an average current flowing through the LED load and a desired current; and where the transistor current is controlled to be decreased when the difference between the input voltage and the driving voltage is relatively large, in order to reduce a conduction loss of the power transistor, and to cause the average current flowing through the LED load to meet a predetermined requirement of driving the LED load.

Abstract: In an embodiment, a solid-state lighting circuit is included herein having a first plurality of emitters configured to output light of a first color and a second plurality of emitters configured to output light of a second color. The circuit further includes a current limiting circuit and at least one biasing resistor operably connected to the first plurality of emitters and the current limiting circuit. Current is biased toward the first plurality of emitters until a preselected current limit is reached for the first plurality of emitters, such that the first plurality of emitters outputs the light of the first color. When current is provided by the constant current power supply that is at or above the preselected current limit, current passes through the second plurality of emitters such that the second plurality of emitters outputs the light of the second color. Other embodiments are also included herein.

Abstract: A lighting system suitable for receiving two kinds of power signals includes a light emitting unit, a switch control circuit, first and second power adjustment circuits, and first and second switches. The switch control circuit is electrically connected to the light emitting unit, the first and second switches. When the light emitting unit and the switch control circuit receive a first power signal, the switch control circuit turns on the first switch and turns off the second switch, so that a first current drives the light emitting unit to emit. When the light emitting unit and the switch control circuit do not receive the first power signal and the second power adjustment circuit receives the second power signal, the switch control circuit turns off the first switch and turns on the second switch, so that a second current drives the light emitting unit to emit.