| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 315320000 | Plural switches | 28 |
| 20080203948 | Lighting device - A lighting device includes a control circuit board and a plurality of light-emitting diodes. The light-emitting diodes are electrically connected to the control circuit board and each light light-emitting diode includes at least a red-light chip, a blue-light chip, and a green-light chip. The control circuit board forms a control circuit that includes a band switch. Operation of the band switch allows switching of the light-emitting diodes among emission of light of different preset colors. | 08-28-2008 |
| 20090066268 | QUANTIFICATION INDICATING CIRCUIT - A quantification indicating circuit includes an indicating lamp set, a converting circuit, and an indicating lamp control circuit. The indicating lamp set has a plurality of indicating lamps. The converting circuit has a plurality of predetermined threshold values which are compared with a numerical signal of a circuit board to generate a comparison result. The comparison result is converted to be outputs of a plurality of control bits. The indicating lamp control circuit is coupled between the indicating lamp set and the converting circuit and is used for controlling the number of the indicating lamps which are brightened according to the outputs of the control bits. | 03-12-2009 |
| 20090072764 | LIGHTING CONTROLLING DEVICE OF VEHICLE LIGHTING EQUIPMENT - A lighting controlling device of vehicle lighting equipment includes switching regulators for supplying a current to a plurality of semiconductor light sources respectively; a plurality of current driving portions, having switching elements connected to the semiconductor light sources for controlling ON/OFF of the semiconductor light sources, for current-driving the semiconductor light sources at a maximum current value or a current value smaller than the maximum current value in response to respective operating states of the switching elements; current setting portion for setting a maximum current value applied in current-driving the current driving portion or a maximum current value of currents fed from the switching regulators to the semiconductor light sources separately in plural stages in response to respective assignments; and a controlling portion for controlling the current driving portion and the current setting portion in response to a plurality of lighting modes based on communication information from an external device. The controlling portion assigns the maximum current value corresponding to each lighting mode to the current setting portion for every lighting mode, and assigns ON/OFF periods of the switching elements to the current driving portion for every lighting mode. | 03-19-2009 |
| 20090315485 | LIGHTING FIXTURE CONTROL SYSTEMS AND METHODS - A lighting fixture system for fluorescent lamps includes one or more fluorescent lamps and one or more ballasts configured to provide controlled power to the one or more fluorescent lamps. The lighting fixture further includes a controller wired to the fluorescent lighting fixture. The controller includes one or more relays configured to turn power provided to the one or more ballasts on and off such that the one or more fluorescent lamps turn on and off with the switching of the one or more relays. The controller further includes a logic circuit configured to control the switching of the one or more relays, wherein the logic circuit is configured to log usage information for the fluorescent lighting fixture in memory. The controller yet further includes communications electronics configured to output the logged usage information. | 12-24-2009 |
| 20100060205 | OPTICAL ELECTRICAL SYSTEM IN PACKAGE FOR LED BASED LIGHTING SYSTEMS - Packaged semiconductor electronic device to be individually positioned and coupled to peripheral electronic devices, the package comprising a light emitting semiconductor device (D | 03-11-2010 |
| 20100079091 | LIGHT SOURCE - This invention relates to a light source ( | 04-01-2010 |
| 20100117563 | Electronic Operating Device and Method for the Incremental Dimming of a Lighting Device - An electronic operating device for the incremental dimming of one or more luminous means, comprising two or more switching inputs, which can be current-carrying or non-current-carrying, wherein the operating device dims the luminous means to different light levels owing to the switching combination of the switching inputs. | 05-13-2010 |
| 20100181941 | CONTROLLING CIRCUIT AND CONTROLLING METHOD - A controlling circuit and a controlling method are disclosed. The controlling circuit includes a plurality of switches and a comparator. The first terminals of the switches are respectively coupled to one of a plurality of LED channels. The switches are conducted according to a plurality of switching signals respectively, wherein the switching signals are asserted alternately. The first input terminal of the comparator is coupled to the second terminals of the switches and the second input terminal of the comparator receives a reference voltage for the comparator to compare the voltage of the first input terminal with the voltage of the second input terminal so as to output a comparison result. In this way, whether the LED channels work abnormally or not may be detected. In addition, the hardware cost may also be reduced by employing fewer comparators through a sharing mode. | 07-22-2010 |
| 20100259200 | LED LIGHTING DEVICE - The present invention relates to LED lighting devices and, more particularly, to an LED lighting device which luminous intensity may be regulated by a user of the device. In one embodiment, the LED lighting device includes a user-operated switching controller, which is adapted for selectively energizing a pre-determined portion of LED arrays of the device. The LED lighting device may also include a user-controlled means of modifying beam angle spread of the emitted light. | 10-14-2010 |
| 20100277107 | USER INTERFACE FOR SCENE SETTING CONTROL WITH LIGHT BALANCE - A user interface ( | 11-04-2010 |
| 20100289434 | Assembly for Doorway Illumination - An assembly for doorway illumination, the doorway having a door jamb and a door, the assembly for doorway illumination including an electrical circuit having first, second, and third electrical switches, the first and second electrical switches, upon closure of the third electrical switch, being electrically parallel to each other, and the first and second electrical switches, upon opening of the third electrical switch, being electrically isolated from each other; a base supporting the first switch; a door contacting spring biased push button adapted for alternatively closing and opening the first electrical switch; an electric torch including the second electrical switch; a plurality of “C” clips adapted for alternatively attaching and releasing the electric torch to and from the base; and a plurality of electrical contacts adapted for, upon the alternative torch attaching and releasing, alternatively closing and opening the third electrical switch. | 11-18-2010 |
| 20100301779 | Lighting Device - A lighting device is mounted onto a support structure, e.g., helmet. The lighting device includes a light body having forward facing light sources including a visible white light source, visible colored light source, an infrared light source and a side facing IFF light source. The light body includes switches for activating the visible light sources and a three-position switch for activating the IR and light sources. The light body mounts onto a mount assembly and includes a connector arrangement for slidably connecting to a platform of the mount assembly. A base member of the mount assembly includes a clamp that connects to a support structure. The light body and platform member may be swivelly moved relative to the base member by forcing the light body and platform member away from the base member and rotating the same. Also disclosed is boost circuitry, battery chemistry detection and control modes. | 12-02-2010 |
| 20100327781 | LIGHTING DEVICE - A lighting device comprising: a shell, a plurality of luminophors, a first slideway and a second slideway. The plurality of luminophors is set in an external surface of the shell. The first slideway and the second slideway each of which comprise an up peristome and a down peristome respectively. A plurality of trigger switches is set in the first slideway. Each of which is configured for connecting/disconnecting a first circuit, so as to turn on/off the one or more luminophors. A ball is located movable along the slideways. A launching device is set in a bottom of the second slideway and is configured for driving the ball to move. A controlling unit is configured for connecting/disconnecting a second circuit, so as to connect/disconnect a power supply, which supplies power for the lighting device via the first circuit. | 12-30-2010 |
| 20110012540 | Multipurpose flame light - A multipurpose flame light is disclosed, which is made up of a body and an ON-OFF control unit, where the body is formed by a lighting module of a neat and ordered array of multiple LED lamps and an actuator for offering stable electric voltage and current to the lighting module. The body is provided with a base at its bottom and a wire slot at its one side, where the base is further provided with a control system in it, which comprises a memory and a CPU. The ON-OFF control unit is connected to the control system through a data line passing through the wire slot. And the ON-OFF control unit further comprises an on-off switch and a fine-tuning switch. By turning the on-off switch, the lighting module, controlled by the control system, is switched between flame-light mode and illumination-light mode, and by turning the fine-tuning switch, the multiple LED lamps of the lighting module is being controlled by the control system to execute various lightening sequences that are programmed beforehand or to adjust the intended luminance. | 01-20-2011 |
| 20110101890 | Utility helment with integrated lighting system - A welding shield includes a durable shell body having a front viewing window pivotally attached to a headband, a welding shield lens attached to the shell body covering the front viewing window of the shell body, a first light source disposed to the front area of the shell body, a second light source disposed to the front area of the headband, and at least one control device for controlling the light sources. | 05-05-2011 |
| 20110109251 | LIGHT-EMITTING ELEMENT DRIVING CIRCUIT SYSTEM - A light-emitting element driving circuit system is provided in which a plurality of current paths, in each of which a light-emitting element and a switching element which is controlled to be switched ON and OFF for causing light to be emitted from the light-emitting element are connected in series, are placed in parallel to each other, wherein an ON time of each switching element is adjusted based on a light-emission period which is a period in which the light-emitting elements are caused to emit light in a circulating manner, such that a number of switching operations of each switching element is reduced. | 05-12-2011 |
| 20120032615 | Shift Register - Provided is a shift register configured by cascade connecting unit circuits each including a bootstrap circuit. In at least one example embodiment, for the unit circuits, a time period during which a transistor is in an ON state and a clock signal is high level corresponds to a clock passing period. Among transistors whose one conduction terminal is connected to a gate of the transistor, channel lengths of transistors configured such that a low-level potential is fed to gates of the transistors to turn the transistors to an OFF state in the clock passing period and that a low-level potential is applied to the conduction terminal of the transistors in the clock passing period are made longer than the channel length of the transistor. With this, it is possible to reduce a leakage current in the clock passing period, and to prevent the fluctuation of a gate potential of the transistor and dullness in an output signal from occurring. | 02-09-2012 |
| 20120091920 | LED Light Source with Direct AC Drive - A light source and method for operating a light source are disclosed. The present invention includes a light source and method for using the same. The light source includes a power coupler, a reconfigurable two-dimensional LED array and a controller. The power coupler is configured to receive a power potential that varies as a function of time. The LED array has a plurality of configurations of LEDs, each configuration being characterized by a minimum bias potential and a maximum bias potential. The LED array generates light when a potential between first and second power terminals is greater than the minimum bias potential. The controller varies the configuration of the array such that the power potential remains between the minimum and maximum bias potentials as the power potential varies. | 04-19-2012 |
| 20120091921 | SYSTEM FOR LIGHT SIGNALLING - System for light signalling to supply a moving light reference ( | 04-19-2012 |
| 20120119680 | Directional Beacon Device - A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction. | 05-17-2012 |
| 20120242256 | ALD METHOD AND APPARATUS - An animal exercise wheel is illuminated by LEDs connected to a battery via a reed switch. A magnet actuates the reed switch when an animal begins to rotate the wheel. The LEDs flash with the frequency of rotation of the animal wheel or continuously. As long as the wheel rotates, the magnet continues to actuate the reed switch, which resets a counter. When the wheel stops and the reed switch is no longer actuated, the counter counts a predetermined time, and terminates the illumination of the LEDs. | 09-27-2012 |
| 20120249016 | QUICK CHANGE BASE SUPPORTING FLUORESCENT BALLASTS AND/OR LIGHT EMITTING DIODE POWER SUPPLIES - Embodiments of the invention comprise a base and a light emitting diode (LED) power supply (PS) detachably connectable to the base module. The LED PS provides current and voltage to at least one LED lamp in a lighting fixture. The base optionally includes electrical connections for detachable connection of a ballast and further includes electrical connections to mains electrical power. An embodiment may further include the ballast. The LED PS, base, and ballast implement a common electrical and mechanical interface for enabling replacement of fluorescent lamps in lighting fixtures with LED lamps. A lamp including a base is included in some embodiments of the invention. | 10-04-2012 |
| 20130099700 | PIXEL CIRCUIT FOR AN ACTIVE MATRIX OLED DISPLAY - A circuit arrangement for organic light-emitting diodes can be arranged in a two-dimensional matrix. It can in particular be used with microdisplays. It can allow a wide influencing of the brightness of the electromagnetic radiation emitted by the organic light-emitting diodes. Every organic light-emitting diode can be controlled by means of a storage circuit, a sense amplifier and a driver circuit using the circuit arrangement. The driver circuit can be formed by at least three transistors connected in series and a further output transistor whose drain is connected to the anode of the respective organic light-emitting diode. In this respect, the transistor acting as the driver can have a constant electric operating voltage LVDD applied at its source and a further likewise constant electric operating voltage V | 04-25-2013 |
| 20140152195 | Method for Overcoming Excessively High Temperature of Constant Current Driving Chip and LED Light Bar Driving Circuit - The invention provides a method for overcoming excessively high temperature of a constant current driving chip and an LED light bar driving circuit. The method includes (1) providing dual-channel constant current driving chips, each including first and second input pins, first and second output pins, and a control pin; (2) providing LED light bars, resistors, a control source, and a power source; (3) connecting ends of one light bar to the power source and the first input pin, connecting ends of another light bar to the power source and the second input pin, connecting ends of one resistor to the first output pin and grounding, connecting ends of another resistor to the second output pin and grounding, and connecting the control source to the control pin; (4) repeating step (3) until the light bars are connected; and (5) activating the control source and the power source to drive the light bars. | 06-05-2014 |
| 20140285116 | LIGHT SOURCE OPERATION - In one example implementation in accordance with the present disclosure, a process is provided. The process includes entering a first mode of operation where a plurality of light sources are permitted to illuminate. The process further includes entering a second mode of operation where the plurality of light sources associated with the first switch are not permitted to illuminate, and where the entering of the second mode of operation is in response to not detecting a presence for a time period. The process still further includes entering a third mode of operation in response to receiving a command, where only a subset of the plurality of light sources are permitted to illuminate and the remainder of the plurality of light sources are not permitted to illuminate. | 09-25-2014 |
| 20140285117 | Lighting Baton - According to one embodiment, a lighting baton includes at least one relay to switch between ON and OFF of power supply to at least one LED lighting load based on a control signal from outside. | 09-25-2014 |
| 20160100474 | APPARATUS AND METHOD FOR CREATING FUNCTIONAL WIRELESS LIGHTING GROUPS - An apparatus for creating functional lighting groups, including a plurality of wireless devices and a gateway. The plurality of wireless devices is configured to enter a grouping mode responsive to commands sent over a wireless network, and is configured to send messages over the wireless network indicating that they have been power cycled. The gateway, coupled to the plurality of wireless devices over the wireless network, is configured to send the commands, and is configured to receive the messages, and is configured to create a functional lighting group comprising the plurality of wireless devices. | 04-07-2016 |
| 315321000 | Master circuit closing switch | 1 |
| 20100141180 | Light Source System - A light source system includes a current source for providing a predetermined current, a dimming control switch for turning on/off according to a dimming control signal, a first interlacing-control switch for turning on/off according to a first interlacing-control signal, a second interlacing-control switch for turning on/off according to a second interlacing-control signal, a first light emitting load for emitting light when receiving the predetermined current through the first interlacing-control switch and the dimming switch, and a second light emitting load for emitting light when receiving the predetermined current through the second interlacing-control switch and the dimming switch. When the first interlacing-control switch is turned on, the second interlacing-control switch is turned off. When the second interlacing-control switch is turned on, the first interlacing-control switch is turned off. | 06-10-2010 |
