Abstract: An electronic device, according to an embodiment, may comprise: a housing including a front plate, a rear plate oriented in a direction opposite to the front plate, and a side bezel surrounding a space between the front plate and the rear plate; a hole formed on the side bezel; an antenna module comprising a substrate disposed inside the housing and spaced apart from the hole, and a first conductive member comprising a conductive material disposed on a surface of the substrate facing the hole and configured to emit a signal having first polarization or second polarization; and a second conductive member comprising a conductive material disposed on a non-conductive member while facing the first conductive member, and coupled to the first conductive member.

Abstract: An antenna module includes radiating elements including a first element and a second element and a radio frequency integrated circuit (RFIC) and exchanges signals with a baseband integrated circuit (BBIC). The RFIC includes a transmission circuit that supplies radio frequency signals to the radiating elements and a reception circuit that receives radio frequency signals from the radiating elements. The RFIC exchanges intermediate frequency signals with the BBIC. A first intermediate frequency signal is used for communication between the transmission circuit and the BBIC. A second intermediate frequency signal is used for communication between the reception circuit and the BBIC. When a variation in the reception level of a radio frequency signal received by the reception circuit during transmission of a radio frequency signal from the transmission circuit exceeds a predetermined value, the RFIC stops emission of radio waves from the first element.

Abstract: A plasma apparatus includes: a chamber; a first electrode and a second electrode disposed in the chamber; an RF power generator configured to apply non-sinusoidal wave power to the first electrode, wherein plasma is generated in the chamber in response to the non-sinusoidal wave power being applied to the first electrode; a measuring device configured to measure a voltage data over time and a current data over time of the non-sinusoidal wave power that is applied from the RF power generator; and a controller configured to receive the voltage data over time and the current data over time from the measuring device, and to calculate an extended impedance associated with the plasma based on the voltage data over time and the current data over time, wherein the extended impedance has a single complex value representing the non-sinusoidal wave power associated with a plurality of frequencies.

Abstract: According to various embodiments, an electronic device may include: a housing comprising a conductive portion and non-conductive portion forming a portion of an exterior side surface, a circuit board disposed in the housing, a communication circuit disposed on the circuit board, and a connection circuit board electrically connecting the communication circuit to the conductive portion, wherein the connection circuit board may comprise a first layer including a conductive area and a non-conductive area, the non-conductive area being located within a proximity of the non-conductive portion, and the communication circuit may be configured to transmit or receive signals via the conductive portion.

Abstract: A light emission arrangement includes a driver arrangement having a first, a second, and a third driver. The light emission arrangement also includes a number N of assemblies. Each assembly includes a first, a second, and a third light-emitting semiconductor body. The number N is greater than 1. The first driver is coupled to a first series connection including the first light-emitting semiconductor bodies of the number N of assemblies. The second driver is coupled to a second series connection including the second light emitting-semiconductor bodies of the number N of assemblies. The third driver is coupled to a third series connection including the third light-emitting semiconductor bodies of the number N of assemblies. The first, second, and third driver are each configured to output a driver signal dependent on photometric quantities of the first, the second, and the third light-emitting semiconductor bodies of the number N of assemblies.

Abstract: An antenna assembly includes a patch antenna, a metal layer, and a feed-in signal layer. The metal layer is disposed on a side of the patch antenna and includes a first slot and a second slot. The feed-in signal layer is disposed on a side of the metal layer opposite the second antenna and includes a transmitting port, a receiving port, a hybrid coupler, and two microstrips. The transmitting port and the receiving port are connected to the hybrid coupler, and the two microstrips are extended in the direction away from the hybrid coupler. Projections of two ends of the two microstrips onto the metal layer are overlapped with the first slot and the second slot. An antenna array is also mentioned.

Abstract: A load control device for controlling power delivered from an alternating-current power source to an electrical load may comprise a controllably conductive device, a control circuit, and an overcurrent protection circuit that is configured to be disabled when the controllably conductive device is non-conductive. The control circuit may be configured to control the controllably conductive device to be non-conductive at the beginning of each half-cycle of the AC power source and to render the controllably conductive device conductive at a firing time during each half-cycle (e.g., using a forward phase-control dimming technique). The overcurrent protection circuit may be configured to render the controllably conductive device non-conductive in the event of an overcurrent condition in the controllably conductive device.

Abstract: A method for evaluating a behaviour of a device comprises obtaining a first dataset representing a first set of values of at least two parameters relating to a first antenna pattern; and obtaining a second dataset representing a second set of values of the at least two parameters relating to a second antenna pattern being formed by the device. The method comprises relating the first dataset and the second dataset using a metric to obtain a relationship. Further, the method comprises evaluating at least a behaviour of the device using the relationship.

Abstract: A lighting system includes a light source, a liquid crystal cell for changing a light distribution angle of light emitted from the light source, and a control device for controlling a gradation of the light distribution angle. The control device includes a communication portion for receiving gradation information of the light distribution angle from an information communication terminal, a storage section for storing a weighting coefficient that associates a change in the light distribution angle with a change in the gradation of the light distribution angle, and a control section for calculating first to fourth voltages to be input to first to fourth transparent electrodes of the liquid crystal cell, based on the gradation information and the weighting coefficient.

Abstract: The invention relates to a luminaire (10) or electrical unit which is intended to be supplied with voltage via a DC supply circuit (90) and has means for power consumption (19) from the DC supply circuit (90), a connection element (20) for coupling to the DC supply circuit (90) in order to electrically connect the means for power consumption (19) to the DC supply circuit, and a switching element (30), by means of which the luminaire (10) or the electrical unit can be switched to electrically load-free before the connection element (20) is coupled to the DC supply circuit (90) or before the coupling is released.

Abstract: A light system including a first light source, a second light source, a first drive device configured to supply a first pulse-width modulation current for supplying power to the first light source, the first current including a first peak intensity and a first duty cycle, a second drive device configured to supply a second pulse-width modulation current for supplying power to the second light source with the second current comprising a second peak intensity and a second duty cycle, a control module generating a first control signal and a second control signal for the first control device and the second control device. The first peak intensity being lower than the second peak intensity, and the first duty cycle is higher than the second duty cycle.

Abstract: A vehicle lighting device includes a first exterior light that is provided on an exterior portion of a vehicle, a second exterior light that is provided on the exterior portion of the vehicle, a recognition unit configured to recognize an object present on a travel route of the vehicle, a detection unit configured to detect a visual recognition direction of a driver of the vehicle, and a control unit configured to operate the second exterior light when the object is recognized by the recognition unit, and to operate the first exterior light according to the visual recognition direction detected by the detection unit.

Abstract: An electronic device may have first and second rear-facing displays, a front-facing display, a cover at a front side overlapping the front-facing display, and an antenna that radiates through the cover. The antenna may be formed from sheet metal. The antenna may have a resonating element formed from a first portion of the sheet metal and an antenna ground that includes a second portion of the sheet metal separated from the first portion by a cavity. A third portion of the sheet metal may couple the first portion to the second portion and may be folded around the cavity to produce a spring force that presses the first portion against the cover. The first portion and the cover may have the same compound curvature. The second portion may form a conductive cavity for the antenna.

Abstract: An electromagnetic wave irradiation apparatus includes a housing having a hollow portion formed inside and an open lower side; a coil-type antenna with a spiral shape in the hollow portion and configured to emit electromagnetic waves; a window coupled to the open lower side of the housing; and a capacitance variation measurement unit configured to measure a capacitance variation of the coil-type antenna. The electromagnetic wave irradiation apparatus may further include a cooling unit configured to cool at least one of the window or the housing. The capacitance variation measurement unit includes a capacitance sensor with one side connected to the coil-type antenna and the other side connected to the ground.

Abstract: Disclosed are a pulse width modulation (PWM) signal generation circuit and a lamp control system including the same. The PWM signal generation circuit includes a counting circuit configured to generate a counting signal, a pulse period control circuit configured to convert the counting signal into a first analog output signal and compare the first analog output signal with a first comparison voltage to generate a first output signal, a pulse width control circuit configured to convert the counting signal into a second analog output signal and to compare the second analog output signal with a second comparison voltage to generate a second output signal, and a control logic circuit configured to determine a period of a PWM signal based on the first output signal, determine a pulse width of the PWM signal based on the second output signal, and output the PWM signal having the period and the pulse width.

Abstract: An electronic device is provided. The electronic device includes a first housing including a first plate, a second housing including a second plate, a display disposed on the first plate of the first housing and the second plate of the second housing, a hinge member that is disposed between the first housing and the second housing and that rotatably connects the first housing and the second housing, and an antenna module disposed in the first housing. The first plate includes an antenna seating portion on which the antenna module is seated. The antenna seating portion is formed between a first sidewall part and a second sidewall part that vertically extend from one surface of the first plate and face each other. The antenna module is disposed such that at least a portion faces the first sidewall part and the second sidewall part. The first sidewall part includes a bumpy structure.

Abstract: Disclosed is a pulse width modulation signal generation circuit including a charging control circuit connected to and located between a first node connected to a capacitor and a voltage line that supplies an operating voltage, a discharging control circuit connected to and located between the first node and ground, a comparison circuit that generates a comparison signal by comparing a first reference voltage and a second reference voltage with a voltage of the first node, and a control logic circuit that generates a pulse width modulation signal whose level changes based on a level change of the comparison signal and determines a level change timing for the activation of the charging control signal and the discharging control signal using the level change of the comparison signal; and a lamp control system including the pulse width modulation signal generation circuit.

Abstract: The embodiment of the disclosure discloses an antenna vibrator and an antenna, wherein the antenna vibrator comprises a radiation board. The radiation board is polygonal, and some areas of the radiation board are bent down to provide multiple supporting portions and multiple leaks. The corners of the radiation board are bent down provided with multiple bending portions, and each bending portion extends to both sides to form two extending portions. Therefore, by providing bending portions and extending portions, it may effectively reduce the size of the antenna vibrator, thereby optimizing the isolation of the antenna vibrator and increasing the working bandwidth of the antenna vibrator. Moreover, after the antenna vibrator is arrayed, the cross-polarization ratio may meet high-performance specifications without adding boundary conditions.

Abstract: Competing tradeoffs of overall footprint, weight, and performance impact the design of antennas for many applications. However, those for compact portable devices or mobile platforms exploiting global navigation satellite systems these are further compounded by seeking good performance over a wide angular range. Accordingly, it would be beneficial to provide designers of a wide range of electrical devices and systems with compact broadband antennas which offer a low vertical profile relative to that provided by the common filar element approaches for high precision applications. Accordingly, through a combination of a dipole, a parasitic element, and additional ground elements to a convention ground plane the inventors provide broadband high performance antenna designs with low profile and low overall footprint.

Abstract: Provided is an antenna apparatus including a waveguide that extends in a first direction and at least one ridge that protrudes from an inner peripheral surface of the waveguide and extends in the first direction, the at least one ridge including a first ridge part that protrudes from the inner peripheral surface of the waveguide toward a central axis of the waveguide and a second ridge part that protrudes from an end of the first ridge part toward the inner peripheral surface of the waveguide.