Abstract: A power supply, includes: a hot node coupled to a hot wire of an AC source, and a ground node coupled to an earth ground, where a neutral wire of the source is not present; a storage component, coupled to a return node and in series with a current limiter, where the current limiter enables the storage component to charge to a voltage while limiting leakage current to a prescribed value; a low voltage power supply including a linear voltage regulator, coupled to the storage component and to a return node that provides a reference voltage, where the low voltage power supply receives the voltage and generates an output voltage on an output node that is referenced to the reference voltage; and a wireless transceiver that employs the output voltage to transmit and receive messages from one or more corresponding wireless devices.

Abstract: A method for providing more than one function to pins of a programmable device used in a server system includes the programmable device and first and second devices. The programmable device is electrically connected to the first device and the second device. The programmable device includes a major logic communication device, a detection module, a storage module, and at least one multiplexing pin. The second device is powered on, sending an in-position signal to the detection module through the at least one multiplexing pin. The detection module transmits the in-position signal to the storage module. The major logic communication module communicates with the first device through the at least one multiplexing pin. A system applying the method are also disclosed.

Abstract: A bit line (BL) may be coupled at a first end to a BL driver (BLD) and at a second end to a BL receiver (BLR). The BL include a plurality of sections and each BL section may be coupled to at least one corresponding sectional configuration memory latch controlled by: at least one sectional word line write (WLW-k) signal, which when asserted enables data to be written into the at least one corresponding sectional configuration memory latch when a corresponding tri-stateable sectional driver (SD-k) is activated, and at least one sectional word line read (WLR-k) signal, which when asserted enables data to be from the at least one corresponding sectional configuration memory latch when the corresponding sectional pull-up (PU-k) is activated.

Abstract: An adder device for binary magnetic applied fields uses Interlayer Exchange Coupling (IEC) structure where two layers of ferromagnetic material are separated from each other by non-magnetic layers of electrically conductive material of atomic thickness, sufficient to generate anti-magnetic response in a magnetized layer. A set of regions are positioned on a top layer above a continuous bottom layer, and the regions excited with magnetization for A and not A, B and not B, and C and not C to form a sum and an inverse carry output magnetization.

Abstract: Embedded antennas in integrated circuits, and methods of making and using the same, are provided herein. An integrated circuit within a semiconductor die may include a control circuit; an antenna configured to wirelessly receive a control signal at a predefined frequency; and an interconnect configured to provide the received control signal from the antenna to the control circuit. The control circuit may be configured to control a function of the integrated circuit responsive to the received control signal.

Abstract: A lighting system including monitoring of input power and output power parameters to a set of lighting loads to detect power faults and/or anomalies. The set of sensing circuits include primary side and secondary side sensing circuits that communicate with a set of monitoring circuits to process the information supplied by the sensing circuits. If a fault and/or anomaly is sensed or detected, a signal is transmitted to provide an alert.

Abstract: Systems and methods for providing current for a plurality of circuits are provided. Aspects include receiving, by a controller, a fault threshold for each circuit of the plurality of circuits, operating one or more switching circuits to output a current for each circuit of the plurality of circuits, wherein the one or more switching circuits are coupled to a constant current sources, and wherein the one or more switching circuits drive a plurality of current drive circuits, monitoring, by a fault determining circuit, a voltage across each circuit of the plurality of circuits, and determine a fault condition for a first circuit in the plurality of circuits based at least in part on the voltage across the first circuit exceeding the fault threshold for the first circuit.

Abstract: A plant cultivation light source includes at least two light sources selected from first, second, and third light sources that emit first, second, and third lights, respectively. The first light has a first peak at a wavelength from about 400 nanometers to about 500 nanometers, the second light has a second peak appearing at a wavelength, which is longer than the first peak, from about 400 nanometers to about 500 nanometers, and the third light has a third peak appearing at a wavelength, which is shorter than the first peak, from about 400 nanometers to about 500 nanometers. The first light is a white light and has a first sub-peak having an intensity lower than an intensity of the first peak at a wavelength from about 500 nanometers to about 700 nanometers. The first sub-peak has a full-width at half-maximum greater than a full-width at half-maximum of the first peak.

Abstract: A physical unclonable function (PUF)-based method for enhancing system reliability is provided, including: requesting, by a client, data transmission with a server; randomly selecting, by the server, a plurality of metal oxide semiconductor (MOS) devices in an MOS array, and acquiring positional information of the plurality of MOS devices; calculating, by the server, a probabilistic PUF that the trap in each of the plurality of MOS devices is occupied by a carrier and constructing a probabilistic model; randomly generating, by the server, detection time according to the probabilistic model and sending the detection time and the positional information to the client; and determining, by the server, an occupancy probability of the trap in each of the plurality of MOS devices at the detection time according to the probabilistic model, and generating a theoretical code key.

Abstract: An LED device with lateral light emission includes a circuit board, a rectifying circuit, and an LED light source. The rectifying circuit includes a positive lead, a negative lead, a rectifier, a first resistor, and a second resistor, the positive lead and negative lead are provided on an end of the circuit board, the rectifier is provided on a first surface of the circuit board, and the first resistor and second resistor are provided on a second surface of the circuit board. The LED light source is provided on a side surface of the circuit board. By configuring the LED light source on the side surface of the circuit board through via holes, the layout of the electronic components is more compact and flexible, and adaptable to more light distribution designs.

Abstract: A lighting apparatus includes a wireless circuit board, a driver circuit board, a light source plate, a metal cover and a metal housing. The wireless circuit board is mounted with a wireless circuit. The wireless circuit has a first reference ground terminal. The driver circuit board is mounted with a driver circuit. The driver circuit has a second reference ground terminal. The light source plate is mounted with a LED module. The light source plate is placed on a top side of the metal cover. The first reference ground terminal and the second reference ground terminal are connected to the metal cover as a reference ground. The metal housing and a bottom side of the metal cover forms a container space for holding the driver circuit board and a first portion of the wireless circuit board.

Abstract: LED systems with a multi-channel direct current power supply unit. The system has a first circuit in electrical communication with a first channel of the power supply and a second circuit in electrical communication with a second channel of the power supply. The power supply provides a constant current to the first and second circuits. The system has a third circuit in electrical communication with the ground of the power supply. A plurality of driverless luminaires are connected in series wherein each driverless luminaire has a first LED array electrically connected in series to the first circuit and a second LED array electrically connected in series to the second circuit and a driverless luminaire ground electrically connected to the third circuit.

Abstract: The invention relates to an airfield light comprising a body, a medium intensity lighting arrangement, and a high intensity lighting arrangement. The medium intensity lighting arrangement provides an omnidirectional light source, and the high intensity lighting arrangement provides a unidirectional or bidirectional light source. The invention is energy efficient compared to conventional airfield lights, and has particular application to temporary airfields. LEDs may be used as the light sources.

Abstract: A luminaire adapted to apply an auto-gradient effect across pixels has an interface coupled by a connection to a controller. The controller has electronic circuitry that receives a predetermined start light parameter for a start pixel of a luminaire and receives a predetermined end light parameter for an end pixel of the first luminaire, the predetermined end light parameter greater than the predetermined start light parameter. The controller circuitry then automatically interpolates a gradient effect for a middle light parameter of each of a plurality of middle pixels of the luminaire based on the start and end predetermined light parameters. The controller circuitry then outputs control signals having the start, end and middle light parameters to the start, end and middle light pixels, respectively, through the connection and to the interface.

Abstract: Disclosed herein are techniques for providing an illumination system that emits illumination into an environment while also enabling that system to be undetectable to certain types of external light detection systems. The system includes a single photon avalanche diode (SPAD) low light (LL) detection device and a light emitting device. The light emitting device provides illumination having a wavelength of at least 950 nanometers (nm). An intensity of the illumination is set to a level that causes the illumination to be undetectable from a determined distance away based on the roll off rate of the light. While the light emitting device is providing the illumination, the SPAD LL detection device generates an image of an environment in which the illumination is being provided.

Abstract: An LED illumination device for improving anti-surge capability includes a circuit substrate, a bridge rectifier chip, a surge absorber group, a first anti-surge current-limiting chip group, a second anti-surge current-limiting chip group, an LED illuminating group, and an LED current-limiting group. The surge absorber group is disposed on the circuit substrate and electrically connected to the bridge rectifier chip for absorbing a surge voltage. The first anti-surge current-limiting chip group is disposed on the circuit substrate for absorbing a first predetermined surge voltage. The second anti-surge current-limiting chip group is disposed on the circuit substrate for absorbing a second predetermined surge voltage. The LED illuminating group includes a plurality of LED chips disposed on the circuit substrate. The LED current-limiting group is disposed on the circuit substrate for controlling a total harmonic distortion of current (THDi) of the LED illuminating group.

Abstract: A memory device includes a calibration circuit configured to perform a ZQ calibration operation according to a calibration command signal and a calibration power voltage, and a calibration control circuit configured to determine the calibration command signal based on a comparison result obtained by comparing the calibration power voltage level with at least one reference voltage level.

Abstract: optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes light-emitting diodes and a switching device capable of allowing or of interrupting the flowing of a current through each light-emitting diode. Each light-emitting diode is covered with a photoluminescent layer. The photoluminescent layer covering at least one of the light-emitting diodes includes at least one first luminophore having a first decay constant and at least one second luminophore having a second decay constant different from the first decay constant.

Abstract: An illumination system and method are disclosed for maintaining a consistent change in illumination value among a group of illumination devices whenever a change command is manually sent from a keypad to those illumination devices. The consistent change results from maintaining a common start illumination value among not only the group, but also the keypad which controls the group. From the start illumination value, the keypad can then compute an end illumination value depending upon the amount of time that an increase or decrease in illumination value button is depressed and held.

Abstract: A lighting apparatus includes a LED module, a light source plate, a heat sink, an antenna, a driver and a light housing. The light source plate is used for holding the LED module. The heat sink has a bottom plate and a lateral wall. The light source plate is placed on the bottom plate. The antenna is disposed on the lateral wall. The driver is used for generating a driving current to the LED module. The driver has a wireless circuit. The wireless circuit is electrically connected to the antenna for transmitting a wireless signal. The light housing is used for holding the heat sink so that the LED module emits light toward a light opening of the light housing.