Abstract: A smart headlamp system and methods of use thereof are provided herein. A computer-implemented method includes automatically measuring orientation values attributed to a lighting system device worn by a human user, wherein the lighting system device comprises one or more lighting sources; and automatically modulating one or more of the lighting sources based on the measured orientation values.

Abstract: A smart headlamp system and methods of use thereof are provided herein. A computer-implemented method includes automatically measuring orientation values attributed to a lighting system device, which includes one or more lighting sources and one or more infrared radiation sensors, worn by a human user, automatically measuring infrared radiation values detected within a given proximity of the lighting system device, and automatically modulating one or more of the lighting sources based at least in part on the measured orientation values and the measured infrared radiation values.

Abstract: A light control device providing handsfree control of a lighting source using measures of the orientation of the lighting source is presented. The measurement of the orientation of the lighting source is monitored and while the orientation retains the light outputted by the lighting source within a designated area, the light output remains in an ON state. However, with the orientation of the lighting source indicates the light output may be outside the designated area, the light output is turned OFF. In addition, a method for calibrating the system to define the designated area is disclosed.

Abstract: A smart headlamp system and methods of use thereof are provided herein. A computer-implemented method includes automatically measuring orientation values attributed to a lighting system device worn by a human user, wherein the lighting system device comprises one or more lighting sources; and automatically modulating one or more of the lighting sources based on the measured orientation values.

Abstract: A light control device providing handsfree control of a lighting source using measures of the orientation of the lighting source is presented. The measurement of the orientation of the lighting source is monitored and while the orientation retains the light outputted by the lighting source within a designated area, the light output remains in an ON state. However, with the orientation of the lighting source indicates the light output may be outside the designated area, the light output is turned OFF. In addition, a method for calibrating the system to define the designated area is disclosed.

Abstract: A light fixture that may include a dome member including exterior and interior surfaces, and a panel positioned adjacent to (e.g., attached to) the interior surface of the dome member. The panel may comprise carbon (e.g., carbon fiber, providing relatively high thermal conductivity). The panel may provide a mounting surface to which circuit boards including one or more LEDs are mountable. For example, the panel may include raised portions and recessed portions. The raised portions may provide a mounting surface to which the circuit board(s) may be mounted. The circuit board may span the distance between adjacent raised portions of the panel, spanning a corresponding recess. Such a recess may provide for a gap (e.g., an air gap) on the underside of the circuit board, for improved air circulation (facilitating convection cooling). Such a gap may also facilitate easy electrical connection of electrical power to each circuit board.

Abstract: A method may be provided that includes sensing a temperature, determining a current of a flash device based on the sensed temperature, and operating the flash device based on the determined current to provide light.

Abstract: The invention relates to a method for the current limitation of a load current, in particular the load current of a flash means. In one step, first a supply voltage (VBAT) is provided. Then a load current (I) is set depending on the supply voltage (VBAT) for supplying the flash means (LED) with power by incrementally reducing the load current (I) until the supply voltage (VBAT) is greater than a threshold value (Vlow). The load current intensity (Imin) of the set load current (I) can be stored in a register (RAM) for the subsequent triggering of the flash means (LED) in a main flash phase (2) with the load current intensity (Imin) stored in the register (RAM). In addition, the invention relates to a circuit having current limitation of a load current of a flash means.

Abstract: A portable light with spectrum control means which allows the user to adjust the output spectrum manually and conveniently. The portable light includes compact housing with waterproof design and excellent heat dissipation, and it is preferably powered by batteries. A light source with multiple light-emitting units is aligned with light mixing and projecting components to produce light with uniform and consistent output synthetic spectra. Peripheral components, such as tactile switch, potentiometer, etc., and the electrical control circuit work together to respond to the user's actions to adjust the spectrum of the output light. The power management module regulates the electrical output of the power source to maintain a consistent light output as the power source drains.

Abstract: Portable illumination devices (e.g., flashlights, headlamps, mobile devices with lights, watches, etc.), assemblies and methods of use are described herein. In various embodiments, a portable illumination device may include a housing, a light source, a Hall Effect sensor, a magnet that is movable relative to the Hall Effect sensor and provides a magnetic field, and a logic contained within the housing. In various embodiments, the logic may be operably coupled to the light source and the Hall Effect sensor. In various embodiments, the logic may be configured to alter a quantity of light emitted by the light source based on data, provided by the Hall Effect sensor, indicative of a spatial relationship between the magnet and the Hall Effect sensor.

Abstract: Circuitry is presented for use in the pulse-forming lines of compact linear accelerators of charged particles. This presents devices that can provide high-voltage radio-frequency pulses in the range of from a few volts to megavolts for charged particle accelerators. The devices can use as input an external charge voltage and an optical pulse to create output RF pulses with a peak voltage that is increased over the input voltage. The exemplary embodiment presents a circuit of pulse forming lines for compact linear accelerator that includes an opto-switch and RF transmission lines that form a pulse shaper and a ladder-like pulse multiplier unit, with or without an output shaper.

Abstract: A light source system and method that generates stable optical power over time and temperature for use in laser scanning, turbidity sensing, airborne-particle analysis, fog and visibility monitoring, blood-gas analysis and applications where light source output intensity changes less than one-half percent over a 50° C. range. The system includes a miniature semiconductor light emitter that can be powered by two AAA alkaline batteries for more than 100 hours and is about 1 cm3 in size (TO-5 package). A semiconductor light emitter emits a beam of linearly polarized light through a coated optical element having first and second surfaces that meet at an acute angle, the first surface reflecting a portion of the light to a control system and transmitting the rest through the second surface in a direction normal to it and thereby enabling immunity to light interference in the reflected and transmitted beams and novel, error-canceling properties.

Abstract: A drop-in light emitting diode (LED) module that can be used to increase the light output of a conventional flashlight includes a heat sink, a high power LED mounted on the heat sink, and an LED driver circuit. The driver circuit is designed to supply the LED with its maximum rated current so that its light output is brighter than the light output of conventional flashlights. The heat sink channels heat generated by the LED when receiving its maximum rated current into the body of the flashlight so the LED does not overheat and fail. The module is designed to be easily inserted into a conventional flashlight to increase its light output and removed when desired. The module can be used to create a modified flashlight by using the module with a conventional reflector that has been modified for use with the module.

Abstract: The present invention provides a power supply control device for an electronic product, which device includes a socket and a power supply controller; wherein the socket is provided on the electronic product, electricity runs between an electric circuit board of the electronic product and a power supply, and has a leading/insertion slot; the power supply controller can be insertion connected into the leading/insertion slot, and at least includes a control chip controlling the socket to put out electric power to an electric circuit board of the electronic product, the electronic product can be independent in the technique of treating electric power supplying, and can be micronized and modularized, and can be mounted in a more simple and faster way, further is benefit to easy insertion and extraction directly; thereby cost of maintenance of the electronic product can be lowered.

Abstract: A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value.

Abstract: A portable electronic lighting device and a method for controlling a portable lighting device are described. The device has a switched-mode power supply, a light source, a high frequency switch, a controller controlling the operation of the light source and a user interface for inputting commands to the controller. A DC power source has a negative pole that is connected by only one single electric contact with the lighting device tail. The method for controlling a portable lighting device includes connecting a DC power source, an inductor, a light source, a high frequency switch and a resistor in series, measuring a voltage across the resistor, and controlling the high frequency switch dependent on the voltage measured across the resistor.

Abstract: A lighting unit includes a power supply, a light source, a controller, and an output intensity adjustment mechanism. The adjustment mechanism is configured to allow a user to set an output intensity of a plurality of non-zero intensities generatable by the light source. The controller is operable to control a supply of electrical power from the power supply to the light source such that the light source illuminates in accordance with the intensity set by the user. The lighting unit is also operable to optionally report usage information for the lighting unit (e.g., cumulative on time) using the light source to produce a visually undetectable information signal. The controller is further optionally operable to adjust (e.g., increase) the electrical power supplied to the light source when the cumulative on time for the light source corresponds to a point on a lumen depreciation curve indicating a reduction in light source intensity.

Abstract: A light emitting diode (LED) light engine is provided for use in a light fixture to enable improved and efficient dissipation of heat generated in the light fixture. The light engine includes a circuit board that includes multiple LEDs for emitting light. The light engine includes a chassis that has a plurality of upper fins that extend upward from a central flanged portion to dissipate heat generated by the LEDs into the lighting fixture. The circuit board is mounted to a mounting surface on the chassis that is surrounded by a fin wall that depends from the central flanged portion. The chassis also has a plurality of lower fins that extend outward from an outer surface of the fin wall to dissipate heat out of the fixture and into the ambient air environment.

Abstract: A portable lighting apparatus comprising a re-chargable battery and a plurality of LED's (light emitting diode) located on a PCB are housed in separate enclosures. The battery is managed by a first microprocessor in the battery enclosure and operation of the LED(s) is managed by a second microprocessor in the lamp enclosure. The two microprocessors are connected to respective data transmitters which generate signals to pass information and/or commands between the two microprocessors. The electrical systems of the two enclosures are interconnected by a bi-direction data link formed by a twin core cable.

Abstract: An alternating light diode device is provided and includes a substrate, a rectifier and a light emitting diode. The rectifier, a bridge rectifier with four diodes, includes a first alternating terminal and a second alternating terminal receiving an alternating signal and a first electrode and a second electrode outputting a rectified signal. The light emitting diode is electrically connected with the first electrode and the second electrode. Furthermore, the rectifier and the light emitting diode are mounted on the hexagonal star-shaped aluminum substrate wherein the rectifier is arranged around the substrate.

Abstract: The present invention provides an energy-saving LED street lamp and a method of saving energy with said LED street lamp. A energy-saving LED street lamp comprises lamp body, power supply adapters, constant current actuating device, and LED lamps. said constant current actuating device is connected in series with the output end of the Power supply adapter, supplying power to said LED lamps. Said energy-saving lamp also comprises auto light-dimmer energy-saving controller; the signal output end of said auto light-dimmer energy-saving controller being connected with constant current actuating device. Said LED lamps compose a plurality of working module; each of the said working module is connected with an independent Power supply adapter. Said auto light-dimmer energy-saving controller has a plurality of routes of output signal, and each of the route of signal output end is connected with a constant current actuating device, and sequentially control the lighten and extinguish time of a working module.

Abstract: A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value.

Abstract: A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value.

Abstract: An electric power tool, which comprises a motor that drives a tool, a power source unit that applies voltage to the motor, a main switching circuit that makes/breaks an electrical connection between the power source unit and the motor, an illuminator that illuminates a work spot, a switching device that electrically connects the illuminator to the power source unit, and an OR circuit that is electrically connected to terminals of the motor to the base terminal is provided. The OR circuit electrically connects one of the motor terminals at which a voltage is higher to the base terminal.

Abstract: A mechanical turnplate type rotatably dimming device has a bottom part (1) and a front part (7) of a lamp holder, which form a cavity for holding a dimming part. The dimming part comprises a PCB (5) with potentials, an electric brush (4), a transmission unit (3) and another end is elastically contacted with the potential region of the PCB (5). The transmission unit (5) is buckled with the turnplate (25).

Abstract: A garden light (10) having a body (11) with a post (12), the lower end of which is provided with a spike (13). The upper end of the post (12) receives a lens assembly (14). Secured to the lens assembly (14) is a cap assembly (24) that has three LEDs that are activated to produce a varying colour light.

Abstract: This invention relates to a type of multi-functional rechargeable energy saving LED light. Each of the existing lightings has only one function and use, and they are not convenient in respect of operation and portability, and thus cause a lot of inconvenience. This invention comprises a lamp base, a retractable tube, a lamp case, a lamp filter, LED bead(s) and a mounting board, a circuit board and a lithium battery. The retractable tube connects the lamp base to the lamp case. The LED bead(s) and mounting board are near the top of the lamp case where the lamp filter is located at the top on the surface of the lamp case. Power switch and indicator light are installed on the lateral side of the lamp case. The lithium battery is housed in the retractable tube while a circuit board is placed inside the lamp case. AC-DC constant voltage power module, a charge management module for the lithium battery, DC-DC constant current power module and a smart module are located on the circuit board (6).

Abstract: A flesh illuminating device (FID) (10) that is comprised of three major elements: an electronic control unit (ECU) (12), an LED assembly (50) and a flesh attachment assembly (70). The ECU (12) and the LED assembly (50) are attached to the flesh attachment assembly (70) which is dimensioned to allow the LED assembly (50) to be attached to a selectable section of flesh. The section of flesh can consist of either an arm, a hand, a leg, a foot, at least one ear lobe or at least one breast. When the FID (10) is manually or remotely turned ON, the LED assembly (50) which preferably consists of at least one LED (60), illuminates causing the selected section of flesh to illuminate.

Abstract: A control circuit controls power supply to a device which includes a power storage device and an electricity generating means for intermittently supplying power to said storage device. The control circuit includes a microcontroller arranged to operate in either a sleep mode or an active mode when the device is switched on. The microcontroller intermittently enters the active mode from the sleep mode in order to test the storage device voltage and provide an indication if the storage device voltage is determined to be less than a predetermined level.

Abstract: A drop-in light emitting diode (LED) module that can be used to increase the light output of a conventional flashlight includes a heat sink, a high power LED mounted on the heat sink, and an LED driver circuit. The driver circuit is designed to supply the LED with its maximum rated current so that its light output is brighter than the light output of conventional flashlights. The heat sink channels heat generated by the LED when receiving its maximum rated current into the body of the flashlight so the LED does not overheat and fail. The module is designed to be easily inserted into a conventional flashlight to increase its light output and removed when desired. The module can be used to create a modified flashlight by using the module with a conventional reflector that has been modified for use with the module.

Abstract: A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value.

Abstract: A portable device includes a light emission unit to emit light on a case, a clocking unit to clock time, an information acquisition unit to acquire information indicating a position and/or a state necessary for illuminating the light emission unit, and a control unit to determine whether to illuminate the light emission unit by using timekeeping information acquired from the clocking unit and the information indicating a position and a state acquired from the information acquisition unit, and to control the light emission unit under either a light emission state or an extinction state from a result of the determination.

Abstract: A drop-in light emitting diode (LED) module that can be used to increase the light output of a conventional flashlight includes a heat sink, a high power LED mounted on the heat sink, and an LED driver circuit. The driver circuit is designed to supply the LED with its maximum rated current so that its light output is brighter than the light output of conventional flashlights. The heat sink channels heat generated by the LED when receiving its maximum rated current into the body of the flashlight so the LED does not overheat and fail. The module is designed to be easily inserted into a conventional flashlight to increase its light output and removed when desired. The module can be used to create a modified flashlight by using the module with a conventional reflector that has been modified for use with the module.

Abstract: A self contained High Power LED cooling system has a connected LED chip, heat radiator, fan, and self-containing power supply. The components are interconnect by spring loaded posts to absorb temperature expansion. A thermocouple device monitors the temperature to shut off the LED chip before reaching a critical temperature.

Abstract: A portable electrical luminaire (1) having a supporting body (2) having an upper support end (2a) and having a lower support end (2b), having a lamp base (3) arranged on the upper support end (2a) for accommodating a luminous means (4), having a reflector (5) surrounding the lamp base (3) for indirect space illumination purposes, having a connection line (7) which is electrically connected to the lamp base (3) and having a connection plug (8) for connection to a power supply system (UAC), and having an electronic control device (11), which is designed to automatically limit the electrical power (P(t)) drawn from the power supply system (UAC) by the luminous means (4) to a predetermined value (Pmax).

Abstract: An LED light may comprise a light emitting diode selectively energizable for producing light; an electronic circuit for selectively energizing the light emitting diode; and a heat sink of a thermally conductive material, wherein the light emitting diode is thermally bonded to the heat sink; and wherein the electronic circuit is attached to the heat sink. The light may have a pair of contact springs extending from the heat sink and the electronic circuit may include thermal conductivity enhancing features.

Abstract: The present invention provides a structure, method, computer program and a system for displaying information on a portable wireless device. This may be accomplished by receiving a light signal containing embedded data and converting the signal into electrical power. It may also be accomplished by demodulating the embedded data, retrieving information from the database in the storage device and displaying the information on a Light Emitting Polymer display screen.

Abstract: A rapid assembled and detached structure of a lamp comprises a retaining seat, a lamp seat and a connector. The receiving hole is formed in the retaining seat. A bottom end of the receiving hole is mounted with a conductive receptacle. An outer side of the retaining seat is installed with an embedding hole. A lamp seat at a lower end of the retaining seat. A center of the lamp seat has a locating hole. After the retaining seat is installed in the locating hole of the lamp seat. The embedding hole of the retaining seat is communicable to the through hole of the lamp seat. A connector is received in the retaining seat. A bottom end of the connector has a conductive plug capable of being inserted into the receptacle. A receiving groove is formed on the connector and a reed is locked to the receiving groove.

Abstract: The present invention provides a structure, method, computer program and a system for displaying information on a portable wireless device. This may be accomplished by receiving a light signal containing embedded data and converting the signal into electrical power. It may also be accomplished by demodulating the embedded data, retrieving information from the database in the storage device and displaying the information on a Light Emitting Polymer display screen.

Abstract: The present invention is directed to a barricade light control switch apparatus for operating a battery powered barricade light unit. The apparatus comprises a light unit housing, light source, battery, and circuit means for controlling operation of the light source, and a reed switch. A magnet retained by a magnet carrier is positionable in either of two positions and controls operation of the reed switch. When the magnet carrier is in a first position the magnet is positioned in proximity to and closes the reed switch. When the magnet carrier is in a second position the magnet is positioned away from and opens the reed switch. Retention means preclude unintended movement of the magnet carrier. A method for controlling a barricade light unit is also disclosed.

Abstract: The present invention is a sound light assembly for reading encoded information on a film utilizing cyan, magenta and yellow color dyes rather than silver emulsion, that may be used with existing projection equipment. The invention comprises at least one narrow spectrum LED array of a plurality of LED die that produce high intensity illumination with very little infrared energy, a current regulating device, compensation resistors for correcting any variations between the individual LED die intensity and an immersion lens for redirecting the wide LED output pattern into a small cone of light. Each LED array has a peak energy that coincides with the maximum density of a corresponding color dye layer.

Abstract: A reed switch is provided between a video camera and a battery pack circuit section. A current flowing when the video camera operates is detected by the reed switch. A video light is turned on or off on the basis of the detected current value. When the power source does not reach a specified voltage, the video light is turned off. The outer light amount when photographing is converted into an electric current by a phototransistor. When the current is less than a threshold level, the video light is lit or turned on. The threshold level is varied by a variable resistor.

Abstract: A portable multi-color signal light having at least two color LED, such as red or blue or green or yellow, with or without covering color films, and at least one incandescent lamp, with or without covering color films. Independent switches allow for the selective operation of the LED and the incandescent lamp. The power source may be disposed within the signal light or relocated to a cell box to be worn on the belt of the user to provide weight decrease for long-term usage. The signal light may be used as a signal light for traffic control and illumination.

Abstract: Connected in circuit between a regular two-cell battery and the light bulb in an otherwise ordinary flashlight is an auxiliary voltage source, such as a third battery cell of relatively small size. The bulb is normally powered directly from the regular two-cell battery. However, if a boost in light output is desired for a brief period of time, the auxiliary voltage source is connected in series with the two-cell battery. Switching is accomplished by way of a slide switch that has an OFF-position, an ON-position, and a spring-loaded BOOST-position. In the BOOST-position, the auxiliary voltage source is coupled in series with the two-cell battery, thereby boosting the RMS magnitude of the voltage applied to the light bulb by a factor of as much as 1.5; which, in turn, boosts the light output by a factor of about 4.0. To prevent substantial shortening of the overall life of the light bulb, since the life of the light bulb would be shortened by a substantial factor if being supplied with 1.

Abstract: Provided in a portable lamp is a cathode-heatable fluorescent bulb which is supplied from a rechargeable battery. For the purpose of charging, the lamp is coupled with a charging device situated in a region which is not at risk. The charging device is provided with separate connections for the charging voltage and for the application of a heating and starting voltage. At the beginning of the recharging phase, the battery current supply circuit for the bulb is interrupted. When removing the lamp the battery current supply circuit is closed, a heating voltage made available from the charging device and applied to the cathode of the bulb. Thereafter, the starting voltage is developed in a starting device and applied to the bulb electrodes. Only after striking of the bulb is the lamp electrically decoupled from the charging device. Starting with preheating is thus effected by means of the charging device. The lamp includes an incandescent bulb with a separate reflector.

Abstract: A ballasting circuit for fluorescent lamps includes a series-connected current limiting ballast element and an electronic assist circuit. The ballast element has a high voltage side connectable to a commercial 110 VAC/60 hertz power source and a low voltage side connected in series with the lamp. The electronic assist circuit has a full wave bridge rectifier input means connected to the low voltage side of the ballast element and a transformer output means connected in series between the ballast element and the lamp. The electronic assist circuit generates a relatively high frequency, high voltage excitation signal prior to lamp conduction to assist in starting the lamp. After lamp conduction begins, the low voltage side of the ballast element drops to the normal operating voltage of the lamp and the excitation signal amplitude correspondingly drops, but is not eliminated, so as to maintain lamp operation with low frequency power supplied from the commercial power source.

Abstract: This invention is directed to an improved low voltage fluorescent lighting system having two elongated fluorescent lamps. The invention provides an improved simple switching system which allows one or both lamps to be turned on. The improved switching system includes a high capacitance by-pass circuit parallel to one of the fluorescent lamps which, when closed, by-passes sufficient current so that the lamp in parallel will not be lit.

Abstract: A gas discharge apparatus includes a discharge chamber including a transparent dome portion and an electrode-including base portion, which together enclose an ionizable gas. A cup-shaped base member is affixed at its periphery to the edge of the base portion of the discharge chamber. A power supply and discharge excitation network is disposed within the interior of the base portion. The power supply and discharge network include a pair of terminals. An oscillator and associated step-up output transformer powered from the terminals is positioned between the terminals and the discharge chamber. A field shield including a conductive sheet member is positioned between the terminals and the discharge chamber. The field shield is adapted to be electrically coupled to the electrode so that discharge-supporting electric fields may be established in the discharge chamber between the electrode and through the dome portion of that chamber to an effective ground electrode exterior to the chamber.

Abstract: An emergency power supply including an input for connection to a power line, an output for connecting the input to electrical equipment so as to supply power thereto from the power line, a supplemental power supply connected to the output and adapted to supply power to the electrical equipment upon a power abnormality in the power line, an electrical energy storage means connected to the supplemental power supply and adapted to supply electrical energy thereto; and a circuit for detecting the abnormalities in the power line.