Abstract: Systems, devices, and methods for providing switch housing remote controls for ceiling fans. The remote receiver in the ceiling fan housing uses existing capacitors installed in the ceiling fan and shares those capacitors with existing mechanical pull chains for the ceiling fan, which eliminates the need for separate capacitors in the remote receiver.

Abstract: AC LED according to the present invention comprises a substrate, and at least one serial array having a plurality of light emitting cells connected in series on the substrate. Each of the light emitting cells comprises a lower semiconductor layer consisting of a first conductive compound semiconductor layer formed on top of the substrate, an upper semiconductor layer consisting of a second conductive compound semiconductor layer formed on top of the lower semiconductor layer, an active layer interposed between the lower and upper semiconductor layers, a lower electrode formed on the lower semiconductor layer exposed at a first corner of the substrate, an upper electrode layer formed on the upper semiconductor layer, and an upper electrode pad formed on the upper electrode layer exposed at a second corner of the substrate.

Abstract: A light fixture comprising a light emitting device, a first electrical path suitable for connecting the light emitting device to a first power circuit, a second electrical path suitable for connecting the light emitting device to a second power circuit and a connector element for acquiring a selected one of a first configuration and a second configuration. Wherein in the first configuration, the light emitting device is in electrical communication with the first electrical path for being powered by the first power circuit and in the second configuration, the light emitting device is in electrical communication with the second electrical path for being powered by the second power circuit.

Abstract: An AC light emitting device, a driving device thereof and a driving method are disclosed. The driving device includes a sub-driving part turned on corresponding to each of positive and negative voltage regions of an AC voltage source to provide current paths for operating at least two LEDs, and a free-charge part charging with a voltage to be supplied to one of the at least two LEDs which is not operated while the other LED is operated by the sub-driving part. The AC light emitting device, the driving device thereof and the driving method thereby can solve problems, such as a decrease in power factor, severe total harmonic distortion, excessive flickering, and the like, due to operating characteristics of the AC light emitting device by application of an AC voltage source thereto.

Abstract: A multi-symbol indication apparatus, may include a plurality of light sources, each of the light sources emitting light of a single color, a plurality of filter units, each of the filter units installed above the light sources with different height each other and reflecting light of the single color corresponding to the relevant light source, wherein a symbol may be carved on each of the filter units, and a display cover installed above the filter units.

Abstract: An illumination system includes a first light source, a first rotation wheel, a first phosphor element, and a light combining element. The first light source is capable of emitting a first color beam. The first rotation wheel is disposed on a transmission path of the first color beam and includes a first transmissive region and a first reflective region. The first transmissive region is capable of allowing the first color beam to pass through so as to form a first color transmissive beam. The first reflective region is capable of reflecting the first color beam to form a first color reflective beam. One of the first color transmissive and reflective beams excites the first phosphor element to form a second color beam. The light combining element combines the second color beam and a beam originating from the other one of the first color transmissive and reflective beams.

Abstract: Illumination devices and related systems and methods are closed that can be used for LCD (Liquid Crystal Display) backlights, LED lamps, or other applications. The illumination devices can include a photo detector, such as a photodiode or an LED or other light detecting device, and one or more LEDs of different colors. A related method can be implemented using these illumination devices to maintain precise color produced by the blended emissions from such LEDs. One application for the illumination devices is backlighting for FSC (Field Sequential Color) LCDs (Liquid Crystal Displays). FSC LCDs temporally mix the colors in an image by sequentially loading the red, green, and blue pixel data of an image in the panel and flashing the different colors of an RGB backlight. Precise and uniform color temperature across such a display can be advantageously maintained by continually monitoring ratios of photodiode currents induced by the different colored LEDs in each illumination device as each color is flashed.

Abstract: A user interface for a load control device comprises a bezel, a touch sensitive device, and a touch sensitive actuator. The touch sensitive actuator is received in an opening of the bezel and comprises a plurality of force concentrator for actuating the touch sensitive device. A front surface of the touch sensitive actuator is operable to be actuated by a user of the load control device such that the touch sensitive actuator transmits the force from the front surface of the touch sensitive actuator to the touch sensitive device. Preferably, the touch sensitive actuator is provided in an opening of a faceplate of the load control device along a linear axis. The load control device is operable to control a connected electrical load in response to an actuation of the touch sensitive actuator. The load control device further comprises a plurality of status indicators mounted immediately behind the touch sensitive actuator and above the touch sensitive device.

Abstract: A bicycle carrier, including a rack and a fork mount. The rack includes cross bars for mounting on a vehicle. The fork mount includes a head portion adapted to selectively clamp the fork mount to one of the cross bars, and a skewer assembly adapted to selectively secure forks of a bicycle to the head portion. The skewer assembly includes a skewer bolt, an actuator handle that is moveable between a first position and a second position, and an adjustment member threaded onto an end of the skewer bolt that permits longitudinal adjustment of the skewer assembly to accommodate different fork dimensions. The adjustment member is accessible when the actuator handle is in the first position, but is covered by the actuator handle when the actuator handle is in the second position.

Abstract: A lamp operation device includes a mode setting part that sets an operation mode for lamps, and a lamp operation part that controls switching between the lamps in accordance with the set operation mode. The lamp operation part includes a process corresponding to a manual switching mode in which a lamp selected by a user is set as an illumination lamp, and a process corresponding to an automatic switching mode in which the plurality of lamps is automatically set in sequence as an illumination lamp. In the automatic switching mode, after one lamp has been set as the illumination lamp, cumulative illuminating time (amount of change) of the lamp is measured. Then, the illumination lamp is switched to the other lamp, depending on whether a measurement result has exceeded predetermined threshold time.

Abstract: A pulse signal drive circuit includes an energy storage device. A source of energy supplies a substantially constant flow of energy to the energy storage device. A switch circuit draws repetitive pulses of substantially constant energy from the energy storage device to generate corresponding pulse drive signals.

Abstract: The disclosure relates to a hand-held cleaning device including an elongated nozzle base having opposed first and second ends and a longitudinal axis. The second end is releasably connected to a hand-held suction wand of a vacuum source. The longitudinal axis of the elongated nozzle base is aligned with a longitudinal axis of the wand. A battery is located in the elongated nozzle base. A DC motor is located in the elongated nozzle base and is electrically connected to the battery. The motor has an axially rotated output drive shaft. A drive assembly is connected to the drive shaft for rotation therewith. A first brush is located at the first end of the elongated nozzle base and is connected to the drive assembly.

Abstract: A multi-spectral Ultraviolet (UV) illuminator is described. The illuminator allows for the convenient reading of authentication patterns formed by UV inks. The novel illuminator is usable with inks of different spectral responses, allowing for reading many types of patterns with one device. The illuminator further provides the capability of producing multiple UV frequency illumination sequences, allowing for more complex, harder-to-counterfeit, authentication markings, such as animated patterning.

Abstract: A lighting system controller comprising a switch connected to a lighting fixture configured to be controlled by time domain switching, and a processor capable of actuating said switch so as to achieve time domain switching of the lighting fixture.

Abstract: An article carrier assembly for attachment to a vehicle roof panel comprises two siderails and at least one cross-rail releasably stowed on one of the siderails. Attachment of the cross-rail to the siderails is carried out with the use of latching mechanisms. The mechanism is composed of a stanchion mounted on the cross-rail, with a lever pivotally placed therein, and of a lock plate assembly slidably attached to the siderail. For deployment of the assembly, the stanchion is put on the lock plate assembly which becomes engaged therewith upon turning the lever. The structure of the mechanism contributes to preventing the roof panel from being damaged upon the deployment.

Abstract: Machine for making tobacco-processing industry products includes a plurality of lamps arranged on components of the machine. Each lamp includes at least one visible light-emitting power semiconductor light source. An electronic mode control unit is electrically connected to and controlling the lamps. The electronic mode control unit is structured and arranged to control the lamps so as to provide uniform continuous light for illuminating at least one of the components and the tobacco-processing industry products, and is structured and arranged to control the lamps so as to provide periodically interrupted light for illuminating at least one of the components and the tobacco-processing industry products. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: A lighting module with improved reliability including a pair of LEDs connected in parallel and with the same polarity and a method for making the said light module are disclosed. The parallel LEDs with the same polarity will increase the reliability of the light module and make it suitable for use in light strings where a relatively large number of such light modules are connected in series and where the failure of one such light module will cause the failure of the entire light string. A light string made of such light modules and a method for making the light string are also disclosed.

Abstract: An illumination device having a first light source, a second light source, whose luminous color differs from that of said first light source, and a controller for controlling the illuminating condition of each of the first light source and the second light source is configured. The controller turns on the first light source so that the light intensity of the first light source gradually increases at an early stage of a turning-on operation. Moreover, the controller turns on the second light source when the light intensity of the first light source gradually increases after a lapse of a predetermined time from the start of the turning-on of the first light source.

Abstract: An LED lamp device of the invention includes a power supply unit (102, 103) supplied with an alternating-current power supply voltage, and an LED lamp (106) constituted by one or a plurality of serially connected LEDs connected to output terminals of the power supply unit (102, 103). The power supply unit (102) obtains a rectified wave of the alternating-current power supply voltage, admits electric power for only part of a time period in which the voltage of the rectified wave corresponding to each half period of the wave of the alternating-current power supply voltage is higher than or equal to a predetermined value, and uses the electric power as power for lighting the LED lamp (106).

Abstract: A circuit for use with optical inspection lamps, e.g., tungsten-halogen or Marco lamps, in semiconductor fabrication machines performing ADI and AEI operations, that will lower the operating voltage of the lamps when the machine is not being used by an operator, while providing full light intensity during optical inspections. The circuit is coupled into the Marco lamp power supply and contains two micro-switches, each containing two sets of switch contacts normally configured with one set closed and one set open to render one micro-switch closed providing the operating voltage to the lamp and the other open rendering the circuit inactive in this condition. The micro-switches have operating levers that cooperate with indexes which follow the position of cassette elevators that deliver the semiconductor wafers for processing and each of which has an "up" and a "down" position.

Abstract: A ceiling fan and light assembly control circuit including a microprocessor controlled by a single-throw switch and an infrared remote controller operated to regulate the fan speed and the intensity of light. A 60 Hz square wave signal of cycle 16.67 ms is obtained from the alternating current power supply and monitored by the microprocessor. When the square wave signal is interrupted by switching the single-throw switch on and off quickly, the micrprocessor triggers a change in the operation mode of the ceiling fan and light assembly. The infrared remote controller can also be operated to control the fan speed and the light intensity when the single-throw switch is switched on.

Abstract: A light is dimmed by pulsing it at a selected duty cycle. By pulsing, the light can be dimmed without being turned off completely which reduces wear on the filament. The circuit is designed for flashing a pair of ditch lights on a railroad locomotive. The lights are alternately illuminated at full voltage and dimmed by pulsing. The flashing sequence can be activated when the locomotive is travelling below a selected speed or when the horn is sounded. The duration of the flashing sequence is controlled by a timer. The pulsing circuit can be used to effectively reduce a voltage without voltage dropping resistors.

Abstract: A lamp assembly includes a tubular incandescent lamp located between the four tube sections of a double twin tube compact fluorescent lamp such that heat is transferred from the incandescent lamp to the fluorescent lamp when the incandescent lamp is energized. A power source provides power to the incandescent lamp and to the fluorescent lamp through a thermal switch. The thermal switch is in thermal contact with the incandescent lamp and the fluorescent lamp. When the lamp assembly is turned on, the switch applies power to the incandescent lamp initially. When the switch is heated by the incandescent lamp to a predetermined temperature, the switch deenergizes the incandescent lamp and applies power to the fluorescent lamp.

Abstract: Apparatus for controlling operation of a number of radiation generator assemblies comprises a store for storing calibration values for respective assemblies, respective switches, a digital to analogue converter (D/A) and control means. The switches are coupled between the radiation generator assemblies and D/A. The control means selectively addresses the store and controls the switches such that when a switch is closed a corresponding calibration value is supplied to the D/A to energize the generator assembly. Such apparatus is typically for use in monitoring of passage of sheets such as in banknote sorting.

Abstract: A device which enables a plurality of discharge lamps that are connected to a common ballast to be turned on and off separately via external switches. The operation circuit of the ballast is connected to the external switches through decouplers. The operation circuit may be supplied with voltage via any of the decouplers. A detector detects which of the switches has been closed and closes a logic member in the lamp circuit of the discharge lamp concerned. Consequently, the only lamp circuits that are closed are those in which the detectors have responded.

Abstract: A system and method for altering the amount of electrical energy supplied to a plurality of fluorescent lamps, has a first switch connected in series between a source of electrical energy and a plurality of lamps connected in parallel. The first switch may be a simple ON-OFF, single pole- single throw wall switch. A second switch is connected in series with less than all of the lamps and is an electrically actuated toggle switch which responds to actuation of the wall switch. Multiple actuation of the wall switch permits turning all lights on or off or some on while others are off.

Abstract: Power is controlled in a first circuit by a conventional off/on swtich. The power is used by a first device or group of devices connected to the first circuit. A second circuit has a second power-using device or group of devices. The second circuit is connected to the first circuit via an alternate action switch. Upon alternate energizations of the first circuit, power is supplied to the second circuit.

Abstract: The preferred embodiment of the present invention provides a control system which permits operation of electrically powered apparatus in any one of several active modes from a controller mounted remotely from the apparatus. The system is particularly useful for controlling the operation of at least a pair of light sources. The system permits switching, from the controller, energizing power from an energized light source to a de-energized light source. Electrical communication between the controller of the system and the light head can be provided by only two electrical conductors.

Abstract: A weather-resistant resin having excellent impact resistance, processability and appearance, which comprises a graft polymer comprising an ethylene/alpha-olefin elastomer and at least one monomeric component chosen from aromatic vinyl monomers, vinyl cyanides and alkyl unsaturated carboxylates grafted thereon, the graft polymer having a material soluble in tetrahydrofuran and n-hexane in a volume ratio of 1:4 in a content of not more than 40% by weight and having a material insoluble in tetrahydrofuran in a content of not more than 60% by weight.

Abstract: An electrical illumination device, using a plurality of Xenon stroboscopic lights, with the bulbs mounted around a column that sets on a case containing the principal components of the stroboscopic lights with electrical conductors and switching devices to cause the lights to pulse with a steady even-appearing light. The plurality of lights to be enclosed by a weather-resistant globe fastened to the case.

Abstract: A circuit for selectively lighting one of a pair of light-emitting diodes (LEDs) arranged in a parallel, back-to-back, circuit configuration also known as an anti-parallel circuit configuration. One side of the configuration is connected with ground connecting means through a first photon-emitting device which device is optically coupled to a first photon-responsive device connected between the other side of the configuration and a current source. The other side of the configuration is also connected with a ground connecting means through a second photon-emitting device which device is optically coupled to a second photon-responsive device connected between the first side of the configuration and the current source.

Abstract: A circuit for operating and controlling optical apparatus for viewing an object and making a photographic record thereof and having an illuminating light source and a photoflash light source, the circuit including a pulse width modulator for operating the illuminating light source, a flyback converter circuit and capacitor charging and discharging circuit for operating the photoflash light source, a clock pulse source connected to the pulse width modulator and the flyback converter for operating the same, and a delay circuit for allowing the optics to settle before operation of the photoflash. An energy level control circuit monitors the capacitor voltage and stops application of clock pulses to the flyback converter when the capacitor voltage reaches a desired value. A first visual indicator signals when the desired capacitor voltage is reached, a second visual indicator signals a certain condition in the apparatus, and a circuit gives priority to operation of the second indicator.

Abstract: A circuit for suppressing interference pulses occurring in transformers with high leakage inductance. The circuit includes current controlled switches connected to the transformers having secondary windings. The switches are controlled by a trigger circuit and a control device. The interference pulses are suppressed by a pulse suppression circuit connected between the secondary windings of the transformers and the trigger circuit. Furthermore the transformers' secondary windings are interconnected in phase to the pulse suppression circuit. The correct interconnection is controlled and/or indicated.

Abstract: An automatic control device for the lighting and extinction of headlamps of car, comprising at least two photo-sensitive elements connected to control circuits defining luminosity thresholds to produce control signals depending on ambient luminosity, and a logic control circuit receiving said control signals to control the three levels of headlamps of the vehicle.Said logic control circuit comprises further photo-sensitive elements connected to further control circuit means and input and output means to receive and produce control signals respectively. The automatic control system selectively provides automatic operation or manual operation or semi-manual operation. It is associated with a system for monitoring reflected light to eliminate influence of extraneous light reflections from obstacles as the vehicle moves on the road.

Abstract: Circuitry for applying electrical power to one or more load devices under control of a remotely located manually operable switch coupled to the circuitry by a single power transmission line. The circuitry responds to toggling of the remotely located switch to, for example, in a first state apply power to a first load, in a second state apply power to the second load, and in a third state apply power to both the first and second loads.

Abstract: A solid state flasher relay of the type for switching an AC or a DC voltage across first and second loads interconnected at a common junction. More specifically, a solid state flasher relay is disclosed wherein shunting transistors are selectively controlled so that an AC or a DC voltage applied across two input lines connected to the first and second loads can be either shunted from the first input line to the common junction thereby providing the voltage across the second load, or shunted from the second input line to the common junction thereby applying the voltage across a first load.

Abstract: A plurality of radiant energy sources are alternatively pulsed in accorda with programmable pulsing sequences to permit testing of guided homing seekers and the like. A trigger selector is provided for each source and takes the form of a programmable counter. A source selector receives externally supplied trigger pulses and applies them to one trigger selector until the pre-programmed count is reached, during which time the source associated with that trigger selector is actuated by each pulse. When the pre-programmed count is reached the source selector feeds the trigger pulses to a second trigger selector and to a second source associated with that trigger selector. When the separately programmed count on the second trigger selector is reached, the source selector transfers the trigger pulses back to the first source and trigger selector circuit. The cycle continues in this manner, alternatively supplying trains of trigger pulses to the radiant energy sources.

Abstract: A lighting module with improved reliability including a pair of LEDs connected in parallel and with the same polarity and a method for making the said light module are disclosed. The parallel LEDs with the same polarity will increase the reliability of the light module and make it suitable for use in light strings where a relatively large number of such light modules are connected in series and where the failure of one such light module will cause the failure of the entire light string. A light string made of such light modules and a method for making the light string are also disclosed.