Abstract: A composite antenna and an electronic device are proposed. The electronic device includes the composite antenna, and the composite antenna includes a substrate, a first antenna structure, two contact springs, an antenna holder and a second antenna structure. The first antenna structure is disposed on the substrate, and two ends of the first antenna structure are coupled to a feeding point and a grounding point, respectively. The two contact springs are disposed on the first antenna structure, and electrically connected to the feeding point and the grounding point, respectively. The antenna holder is removably disposed on the substrate. The second antenna structure is disposed on the antenna holder and electrically connected to the two contact springs.

Abstract: This array antenna is an array antenna to be used for beam forming and includes: a plurality of antenna elements; a ground; a dielectric provided between the plurality of antenna elements and the ground, the dielectric having an electrical length, from the plurality of antenna elements to the ground, of not less than 0.03; and a shield structure provided at least between the plurality of antenna elements and configured to shield a radio wave radiated from each antenna element.

Abstract: The present disclosure relates to a switching circuitry for a variable reactance matching network as may be used by plasma generation systems which utilize plasma for semiconductor processing. The switching circuitry may be used within a hybrid matching network that has a first-stage switched matching network and a second-stage mechanically-tuned matching network. The switching circuitry may also be used for variable reactance matching in telecom applications, plasma laser cutting applications, and/or RADAR/LIDAR implementations. The switching circuitry includes individual isolated power supplies that are fed from a main power supply. The individual isolated power supplies receive inductive power from a main power supply loop powered by the main power supply. The inductive coupling provides isolated power supply loops to drive circuitry for a single switch. Multiple instances of the isolated switch circuitry are used to receive a digital signal from a connected controller.

Abstract: A light driving apparatus according to an embodiment includes a light part; a first sensing part configured to sense an input current value of the light part; a second sensing part configured to sense an output voltage value of the light part; and a control part configured to sense the output voltage value through the second sensing part based on the input current value sensed through the first sensing part and determine a state of the light part based on the output voltage value; wherein the control part is configured to start a sensing operation of the output voltage value through the second sensing part after a first de-bouncing time has elapsed from a start point in which current is applied to the light part, and stop the sensing operation of the output voltage value through the second sensing part before a second de-bouncing time from an end point at which the current applied to the light part is blocked.

Abstract: According to various embodiments of the disclosure, an electronic device may include: a first housing, a second housing, a printed circuit board (PCB), and a wireless communication circuit, wherein the first housing may include a first surface and a second surface perpendicular to the first surface at a first edge, and a first conductive area, and the first conductive area may include a first portion of a first slit extending from a point on the first surface to the first edge, a third surface of the second housing may include a second conductive area, and the second conductive area may include a second slit, wherein, in a first state, at least a portion of the first portion of the first slit may overlap the second slit when viewed in a second direction perpendicular to the first surface of the first housing, and wherein the wireless communication circuit may be configured to transmit and/or receive a signal of a first frequency band based on an electrical path including the first portion.

Abstract: An electronic device including an antenna module is provided. The electronic device includes a 5th generation (5G) antenna module that includes an antenna array, at least one conductive region operating as a ground with respect to the antenna array, and a first communication circuit feeding a power to the antenna array to communicate through a millimeter wave signal, and a printed circuit board (PCB) that includes a second communication circuit and a ground region. The second communication circuit feeds the power to an electrical path at least including the at least one conductive region and transmits or receives a signal in a frequency band different from a frequency band of the millimeter wave signal based on the electrical path supplied with the power and the ground region.

Abstract: A lighting apparatus includes a light source plate, LED modules and a driver module. The light source plate includes a substrate layer, a wiring layer and a protection layer. The substrate layer is made of metal material. LED modules are disposed on a top side of the light source plate. The driver module is disposed on the top side of the light source plate. The LED modules and the driver module are electrically connected via the wiring layer. The driver module includes an AC-DC converter, a regulator, a controller, a current source and an oscillation wave removal circuit. The controller controls the current source to generate driving currents to the LED modules. The oscillation wave removal circuit is coupled to the AC-DC converter for suppressing a sudden abnormal peak voltage from the AC-DC converter.

Abstract: Disclosed is an outdoor lighting system that utilizes a smart phone to control the outdoor lighting system. In addition, this system may include an ultrasonic audio generator for repelling bugs and other animals. Various lighting themes can be applied to the lamps using an application program stored on the smart phone. Bug lights to repel flying insects and UV lights can be included in the lamps to repel birds and other animals, including bats.

Abstract: A microminiaturized antenna feed module includes a substrate, a plurality of coupled feed portions, and an active circuit. The substrate defines a plurality of visa penetrating the substrate. The coupled feed portions, made of conductive material and have different coupling areas, are electrically connected to the active circuit through the holes, to feed in electrical signals, the coupled feed portions couple the electrical signals to the metal frame to radiate wireless signals; the active circuit controls the switching of radiation modes of the metal frame. The application also provides an electronic device with the microminiaturized antenna feed module.

Abstract: The disclosure provides a millimeter-wave antenna chip including a package substrate, at least one subunit, and a radio frequency chip. Each subunit includes an end-fire antenna disposed on an upper surface of the package substrate. The end-fire antenna is electrically connected to the radio frequency chip through a feed line. The radio frequency chip is located on a lower surface of the package substrate.

Abstract: A color correction detection device comprises a light-emission information collection circuit and a remote communication circuit, wherein the light-emission information collection circuit is used for collecting light-emission information of an external flash; the remote communication circuit is electrically connected to the light-emission information collection circuit and is used for enabling the light-emission information to be in remote communication with a remote color correction processing device by means of the Internet; the remote color correction processing device is used for carrying out color correction processing according to the light-emission information to generate color correction result information. The color correction result information is used for being transmitted to the external flash, so as to adjust the light-emission information of the external flash.

Abstract: A method includes receiving a plurality of digital feedback signals from a voltage converter, controlling the voltage converter based upon a user desired brightness level and the plurality of digital feedback signals, the voltage converter receiving input from a DC voltage bus and providing output to drive a lighting load, and receiving a plurality of feedback signals from a power factor correction circuit that receives a rectified mains voltage and provides output to the DC voltage bus, and based thereupon operating the power factor correction circuit in transition mode or discontinuous mode based upon the user desired brightness level and a threshold brightness. The plurality of feedback signals include an input sense signal that is a function of the rectified mains voltage as drawn by the power factor correction circuit and an output sense signal that is a function of the output provided to the DC voltage bus.

Abstract: An antenna module is provided. An antenna module according to an exemplary embodiment of the present invention comprises: an antenna unit including an antenna pattern, which has a pattern portion and a lead portion formed, respectively, on both surfaces of a circuit board; a magnetic field shielding sheet including a sheet body made of a magnetic material to block a magnetic field, and a plurality of eddy current reducing pattern portions formed on the sheet body to reduce the generation of eddy current by increasing the resistance of the sheet body; and an insulation member arranged between the antenna unit and the magnetic field shielding sheet, wherein the antenna unit is provided in an asymmetric form in which the pattern portion and the lead portion respectively formed on both surfaces of the circuit board have different thicknesses.

Abstract: An integrated antenna includes a first antenna, a second antenna, and a third antenna. The second antenna is electrically connected to the first antenna. The third antenna is electrically connected to the first antenna and the second antenna, and the third antenna is integrated with the first antenna and the second antenna to form the integrated antenna. Lengths of the first antenna, the second antenna, and the third antenna are different.

Abstract: Embodiments provided herein generally include apparatus, plasma processing systems, and methods for generation of a waveform for plasma processing of a substrate in a processing chamber. One embodiment includes a waveform generator having three MOSFETs and three series-connected capacitors. The capacitors are connected across a DC power supply and, depending on the value of the capacitors, voltage across each of them may be varied. Each of the top two capacitors is followed by a diode. The bottom capacitor is connected to the ground. The drain terminal of each MOSFET is connected to higher potential end of the series connected capacitors. Each MOSFET is followed by a diode and the cathode ends of the diodes are connected together. An electrode is connected between the common cathode and ground.

Abstract: Systems relating to antennas. Antenna elements are coupled to adjacent other antenna elements by way of a coupler. The coupled antenna elements may be part of the same antenna array. The coupler may take the form of a substrate with conductive traces and the antenna elements may be dipoles or crossed dipole antennas. The coupled antenna elements may have similar polarizations. The capacitive coupling allows for physically smaller reflectors for antenna arrays.

Abstract: A modular lighting system having a plurality of lighting units is disclosed. Each lighting unit includes a plurality of LEDs coupled to a microcontroller that is coupled to a first cable connector and a second cable connector. The system further includes a control box having a user interface, the control box communicatively coupled to each lighting unit through a plurality of cables, the plurality of lighting units and the control box all communicatively and releasably coupled to each other in series. The control box is configured to send through the first cable connector an address packet. For each lighting unit, the microcontroller is configured to adopt a first address received as a first address packet while in an addressable state, the first address being unique among the lighting units, and further configured to send a second address packet to another microcontroller after placing it in the addressable state.

Abstract: A modular lighting system having a plurality of lighting units is disclosed. Each lighting unit includes a plurality of LEDs coupled to a microcontroller that is coupled to a first cable connector and a second cable connector. The system further includes a control box having a user interface, the control box communicatively coupled to each lighting unit through a plurality of cables, the plurality of lighting units and the control box all communicatively and releasably coupled to each other in series. The control box is configured to send through the first cable connector an address packet. For each lighting unit, the microcontroller is configured to adopt a first address received as a first address packet while in an addressable state, the first address being unique among the lighting units, and further configured to send a second address packet to another microcontroller after placing it in the addressable state.

Abstract: A radio frequency (RF) power generation system includes a RF power source that generates a RF output signal delivered to a load. A RF power controller is configured to generate a control signal to vary the RF output signal. The controller adjusts a parameter associated with the RF output signal, and the parameter is controlled in accordance with a trigger signal. The parameter is adjusted in accordance with a cost function, and the cost function is determined by intruding a perturbation into an actuator that affects the cost function. The actuator may control an external RF output signal, and the trigger signal may vary in accordance with the external RF output signal.

Abstract: A radio frequency (RF) circuit is provided for use with a magnetic resonance imaging (MRI) scanner to transmit an RF receive signal to an amplifier circuit, the RF circuit comprising: a transmission line; an antenna electrically connected to a first end portion of the transmission line; an impedance transformation circuit; an impedance matching and detuning circuit electrically connected between the transmission line and the impedance transformation circuit, wherein the impedance matching and detuning circuit includes: multiple reactive impedance elements; and two or more switches operable to controllably switch between configuring the multiple reactive impedance elements to cause matching of overall impedance of the RF circuit to a prescribed input impedance seen at the amplifier circuit at a prescribed RF frequency during a receive mode of the MRI scanner, and to cause an increase of impedance at the antenna, to reduce sensitivity of the antenna to RF signals at the prescribed frequency during an excitation