Abstract: A power supply device includes a power conversion module and a power regulating module. The power conversion module is configured to convert an AC electric power into a DC electric power. The power regulating module includes a microprocessor, a voltage-dividing resistor, a constant-voltage regulator, and a constant-current regulator. The voltage-dividing resistor is electrically connected to the setting resistor and the microprocessor. The constant-voltage regulator is electrically connected to the power conversion module, the dividing resistor, and the setting resistor; The constant-current regulator is electrically connected to the power conversion module and the microprocessor.

Abstract: Disclosed are an electronic cigarette with a brightness-adjustable head lamp and a brightness adjustment method therefor. The electronic cigarette includes a lamp display module and a manual control module, wherein the manual control module is used for manually adjusting the brightness of the lamp display module. By adding the manual control module, the present application achieves the manual adjustment of the brightness of the lamp display module and can satisfy the requirements of different smokers on the brightness of the lamp display module.

Abstract: Disclosed are devices and methods related to a CMOS switch for radio-frequency (RF) applications. In some embodiments, the switch can be configured to include a resistive body-floating circuit to provide improved power handling capability. The switch can further include an electrostatic discharge (ESD) protection circuit disposed relative to the switch to provide ESD protection for the switch. Such a switch can be implemented for different switching applications in wireless devices such as cell phones, including band-selection switching and transmit/receive switching.

Abstract: Aiming a device at a target within a use environment is described. An intensity level of ambient lighting associated with the use environment is detected and a corresponding signal is generated. An emission of a beam operable for the aiming of the device is controlled. Upon the generated signal corresponding to a first detected ambient lighting intensity level, a first laser is activated to emit the aiming beam at a first power intensity level. Upon the generated signal corresponding to a second detected ambient lighting intensity level, which exceeds the second detected ambient lighting intensity level, a second laser is activated to emit the aiming beam at a second power intensity level. The first power intensity level exceeds the second power intensity level.

Abstract: A data transmitting method used in a semiconductor device having a controller and a transmitter is described. A first write command is output by the controller and then a second write command is output by the controller. An interval time between the first write command and the second write command is calculated. The transmitter is activated by the controller and a first data is transmitted by the transmitter in accordance with the first write command, and then the transmitter is inactivated based on the interval time. Then the transmitter is activated when the transmitter is inactivated. Then, the second data is transmitted by the transmitter in accordance with the second write command.

Abstract: A technique for configuring an integrated circuit includes receiving configuration data from an external element with an interface circuit. The configuration data may include an identification field and an instruction for configuring a logic block. Configuration circuitry may be used to identify the logic block to be configured based on the identification field. A storage element in the identified logic block is configured by the configuration circuitry based on the instruction.

Abstract: Disclosed are methods and devices, among which is a device that includes a finite state machine lattice. The lattice may include a counter suitable for counting a number of times a programmable element in the lattice detects a condition. The counter may be configured to output in response to counting the condition was detected a certain number of times. For example, the counter may be configured to output in response to determining a condition was detected at least (or no more than) the certain number of times, determining the condition was detected exactly the certain number of times, or determining the condition was detected within a certain range of times. The counter may be coupled to other counters in the device for determining high-count operations and/or certain quantifiers.

Abstract: According to an exemplary embodiment, a backlight unit includes a plurality of light emitting strings, and a driving controller configured to detect source voltages of a plurality of light transistors provided in the light emitting strings. The driving controller is further configured to compare a source voltage of each of the light transistors with an overcurrent protection voltage and to turn off an operation of a corresponding light transistor having a source voltage level higher than the overcurrent protection voltage. The backlight unit further includes a first comparator configured to compare the source voltage of the corresponding light transistor with a reference source voltage to output a feedback voltage according to the compared result; and a first switch configured to electrically connect the first comparator to a gate terminal of the corresponding light transistor, wherein the first switch operates in response to an overcurrent protection signal.

Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing and having a ground plane thereon, wireless communications circuitry carried by the circuit board, and an antenna assembly carried by the housing. More particularly, the antenna assembly may include a flexible substrate, an electrically conductive antenna element on the flexible substrate and connected to the wireless communications circuitry and the ground plane, and a floating, electrically conductive director element on the flexible substrate for directing a beam pattern of the antenna element.

Abstract: The Invention discloses and provides a kind of dimmer holding current control circuit for phase cut dimming power supply, which comprises phase cut dimming power supply circuit and LED lamp (1) and dimmer holding current control circuit (2). The dimmer holding current control circuit (2) is composed of rectifier diode I (D1), rectifier diode II (D2), field-effect transistor (Q1), triode (Q2), current-limiting resistance I (R1), current-limiting resistance II (R2), sampling resistance I (R4), sampling resistance II (R5), diode (D3), capacitance (C1) and resistance (R3). The anodes of the rectifier diode I (D1) and the rectifier diode II (D2) are respectively connected to L terminal and N terminal of main supply input. The Invention makes the current small and stable through current limitation. The Invention can be widely used in the field of phase cut dimming power supply.

Abstract: The present invention discloses a current-source-output light-emitting-diode (LED) driver based on LCLC circuit to provide a constant output current regardless of variations in LED parameters. In the LCLC circuit, the number of additional capacitors is scalable with the number of LED strings for current balancing. Moreover, the input impedance of the improved LCLC circuit is designed to be resistive at the operating frequency to minimize reactive power. The conventional duty cycle control can easily incorporate zero-voltage-switching (ZVS).

Abstract: Methods and systems according to embodiments of the invention calculate ambient light in a space, where the method includes obtaining an image of the space from an array of pixels, defining a plurality of pixel groups in the image, calculating a representative pixel value for each of the pixel groups, and calculating ambient light in the space based on the pixels in the image, disregarding pixels from the pixel groups having the highest and lowest representative pixel values.

Abstract: A high-frequency input voltage and a high-frequency input current to a series resonant circuit are detected by a voltage detection unit and a current detection unit, respectively, and plasma input power is detected by a plasma input power detection unit based on the detected high-frequency input voltage and high-frequency input current. By directly detecting the plasma input power in this manner, the plasma input power may be accurately controlled regardless of the state of a plasma-generating gas or an analysis sample. Also, use of a switching circuit including a semiconductor device allows an inexpensive configuration compared with a configuration where a vacuum tube or the like is used.

Abstract: A data transmitting method used in a semiconductor device having a controller and a transmitter is described. A first write command is output by the controller and then a second write command is output by the controller. An interval time between the first write command and the second write command is calculated. The transmitter is activated by the controller and a first data is transmitted by the transmitter in accordance with the first write command, and then the transmitter is inactivated based on the interval time. Then the transmitter is activated when the transmitter is inactivated. Then, the second data is transmitted by the transmitter in accordance with the second write command.

Abstract: A backlight unit capable of substantially reducing a change in a level of a driving current includes: a light source; a static current switching element connected between the light source and a sensing node and controlling a driving current supplied to the light source; a sensing resistor connected between the sensing node and a ground; a static current controller controlling an operation of the static current switching element based on a sensing voltage from the sensing node and an externally supplied driving current control signal; and a driving current corrector generating the driving current control signal and correcting a level of the driving current control signal based on the sensing voltage.

Abstract: To decrease the circuit scale necessary for the calibration of the output circuit and to decrease the time required for the calibration operation. The invention includes a first output buffer and a second output buffer that are connected to a data pin, and a calibration circuit that is connected to a calibration pin. The first output buffer and the second output buffer include plural unit buffers. The unit buffers have mutually the same circuit structures. With this arrangement, the impedances of the first output buffer and the second output buffer can be set in common, based on the calibration operation using the calibration circuit. Consequently, both the circuit scale necessary for the calibration operation and the time required for the calibration operation can be decreased.

Abstract: A three-dimensional integrated circuit having a dual or multiple power domain is capable of less energy consumption operation under a given clock rate, which results in an enhanced power-performance-area (PPA) envelope. Sequential logic operates under a system clock that determines the system throughput, whereas combinational logic operates in a different power domain to control overall system power including dynamic and static power. The sequential logic and clock network may be implemented in one tier of the three-dimensional integrated circuit supplied with a relatively high power supply voltage, whereas the combinational logic may be implemented in another tier of the three-dimensional integrated circuit supplied with a relatively low power supply voltage. Further pipeline reorganization may be implemented to leverage the system energy consumption and performance to an optimal point.

Abstract: A semiconductor device includes a 2-input NOR decoder and an inverter that have six MOS transistors arranged in a line. The MOS transistors of the decoder are formed in a planar silicon layer disposed on a substrate and each have a structure in which a drain, a gate, and a source are arranged vertically and the gate surrounds a silicon pillar. The planar silicon layer includes a first active region having a first conductivity type and a second active region having a second conductivity type. The first and second active regions are connected to each other via a silicon layer on a surface of the planar silicon layer.

Abstract: An electric energy supply device for powering at least one lighting device may include a first wireless communication module, a multiplexing module and a driving module. The first wireless communication module may receive or transmit a first control signal based on the first wireless network communication protocol. The multiplexing module may identify the communication protocol type of the first control signal. The driving module may drive the light device according to the first control signal. According the communication protocol type, the multiplexing module may determine whether to control the driving module to drive the lighting device according to the first control signal or transmit the first control signal to the first controlled device corresponding to the communication protocol type to remotely control the first controlled device by using other electric energy supply devices as the data bridge path after receiving the first control signal via the first wireless communication module.

Abstract: Integrated circuit devices and methods of operating integrated circuit devices are useful in impedance adjustment. Integrated circuit devices include a signal driver circuit having an output node, a voltage node, and a first termination device and a second termination device connected in parallel between the voltage node and the output node. The first termination device and the second termination device each have a particular configuration of switchable resistances, and different strengths. Methods include connecting a node of the integrated circuit device to a first voltage node through a reference resistance, connecting the node to a second voltage node through a termination device, adjusting a resistance value of the termination device and comparing a resulting voltage level to a reference voltage. The reference voltage has a voltage level different than half-way between a voltage level of the first voltage node and a voltage level of the second voltage node.