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JP5108067B2 |
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...
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JP5041945B2 |
To provide a detection device of light source state capable of displaying a light-control state of a lamp (a light source) and whether an unlit state of the lamp is due to its life, in a simple structure. A lighting state display device ...
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JP2012181934A |
To achieve an illumination system capable of detecting a zero cross of an AC voltage with accuracy and performing dimming by stable phase control based on an obtained zero-cross signal.A zero-cross detector 14 detects a zero cross of a l...
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JP2012169178A |
To prolong the life of a lighting device by reducing application of an excessive load to a lighting circuit even when a halogen lamp is in the end-of-life state.A lighting device 1 comprises a halogen lamp 2 as a light source, and a ligh...
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JP5004615B2 |
To provide a halogen lamp lighting device capable of easily controlling brightness of a halogen lamp. The halogen lamp lighting device has a noise eliminating device 110, a rectifying circuit 120, and an inverter circuit 130. The noise e...
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JP2012040013A |
To provide a lure expressing an arbitrary required color or a plurality of color patterns to imitate a bite fish body.There is provided a fishing lure 10 comprising an illumination means 21, a body having walls 14 defining a water-tight ...
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JP4833760B2 |
To improve efficiency and control characteristics of an electric control apparatus, by preventing generation of a surge voltage by turning on a main switch within a period while phase difference is being detected when detecting the phase...
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JP4814279B2 |
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...
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JP4790710B2 |
A method and a control apparatus for driving a lamp 14 in a lighting system, in particular a lamp having a fast response to a change of an amount of energy supplied through the lamp, in which a device controller 8 is connected with the l...
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JP4787036B2 |
To suppress shortening of a lifetime of a light bulb due to a notching phenomenon and reduce the manufacturing cost of the light bulb lighting circuit. A power source rectifier circuit 1 inputs AC voltage from an AC power source AC and, ...
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JP4784470B2 |
To provide a light control device which easily controls a supply source of AC electric power by a control means, and prevents generation of rush current. The light control device 1 comprises: a plurality of supply sources 7, 8 and 9 for ...
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JP4782415B2 |
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...
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JP4770116B2 |
To control a duty of on/off by preventing over-current flowing in an LED or a lamp. An operational amplifier 6 carries out feedback-control of a sense MOS 5 and a power MOS 4 by inputting the voltage and the reference voltage in accordan...
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JP4773599B2 |
The regulator has an oscillator (110) generating a rectangular control signal (C) with a variable duty cycle, which changes to compensate supply (Valim) voltage fluctuation. The control signal operates on the gates of two transistors (Q1...
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JP2011170468A |
To provide a load control apparatus which can suppress a noise terminal voltage level while preventing the apparatus from being increased in size.The load control apparatus 1A includes: a main switching unit 11 which is serially connecte...
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JP4745218B2 |
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil ...
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JP4695137B2 |
A vehicle power interface includes an adaptive inductive power supply. The adaptive inductive power supply has a primary within a remote device holder. The adaptive inductive power supply is capable of providing power to remote devices p...
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JP4687393B2 |
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JP2011101033A |
To provide an inductive coil assembly having multiple coils arranged at distinct orientations to efficiently inductively couple power, communication or both of them to a device when the device is arranged at different orientations with r...
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JP4673391B2 |
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...
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JP4658061B2 |
A ring balancer comprising a plurality of balancing transformers facilitates current sharing in a multi-lamp backlight system. The balancing transformers have respective primary windings separately coupled in series with designated lamps...
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JP4635037B2 |
To provide an electronic automatic flashing apparatus allowing free setting of hysteresis of turning on and off, requiring no control power source. An optical sensor circuit 110 detects light intensity. A triac 120 switches an alternatin...
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JP4629556B2 |
To provide a load control unit avoiding large size of a device unit caused by increase in heat generation of a load drive element by fluctuations in power supply voltage. The load control unit is provided with a power supply 2 in which t...
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JP4601558B2 |
To provide a vehicular light emitter capable of supplying DC power to a filament light source by utilizing the capacity of a DC power source when the power is supplied. When a power supply switch 26 is turned on, the input power from an ...
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JP4592682B2 |
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil ...
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JP4569245B2 |
To provide an LED lighting device properly controlling the light of light-emitting diodes as light sources depending on a light control signal for light bulbs. An LED light source part 11 is provided with a plurality of light-emitting di...
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JP2010530608A |
A lighting control circuit for dimming a light is provided with different algorithms that are utilized to dim fluorescent and incandescent lights. Some method of identifying the type of light which is to be dimmed, reports to a control f...
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JP4534052B2 |
A method for testing an OLED substrate comprises: the first step of obtaining a first current value passing through a switching element group connected to a selection signal line; the second step of obtaining a second current value passi...
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JP2010177685A |
To provide an inductive coil assembly having multiple coils arranged at distinct orientations to provide efficient inductive coupling of power or communications or both to a device when the device is arranged at different orientations wi...
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JP4506480B2 |
To provide a light control device capable of controlling a plurality of light sources and capable of reducing its size and cost. The light control device has a switching means 5 selectively switching a small light source connection state...
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JP4484222B2 |
To provide an in-house information monitor/control apparatus or the like capable of automatically applying ON/OFF control to control target apparatuses through timer settings without being brought to the knowledge of automatic operations...
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JP4480817B2 |
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JP4481083B2 |
An initial driving voltage fixing a desired luminance of a light-emitting source is set at a voltage lower than that of a power supply; the light-emitting source is driven by applying a light-emitting source driving voltage at the initia...
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JP4479464B2 |
To provide a dimmer device capable of accurately modulating light by phase control even when a power waveform is distorted and partially lost. This dimmer device is provided with: a rectification circuit 3 for rectifying A.C. power 1; a ...
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JP4451738B2 |
The device comprises a metallic support plate 1 carrying, on its front face, a plasma discharge display with an array of adjacent pairs of electrodes 7, 8 and, on its back face, a power supply 13. The power supply circuit of each pair of...
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JP4437241B2 |
To provide a control method of rush current into a turning-on-off electric light, suitable to realize a signal light with low cost which has a compact size and light weight usable for a life jacket and the like and does not require a lar...
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JP4431719B2 |
Illuminance at a desired position is brought closer to a target illuminance by sequentially performing a procedure for making a decision whether a relation between the illuminance at the desired position and the target illuminance satisf...
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JP2010035320A |
To protect an illuminating lamp by interrupting a power supply line when an overload state occurs for a plurality of illuminating lamps.An illuminating lamp control circuit 1 is provided with switching control circuits 12a to 12n compris...
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JP2010033956A |
To control lighting of a halogen lamp highly efficiently and to obtain a sufficient dimming range.A halogen lamp lighting device includes a transformer with a secondary winding to which the halogen lamp is connected and a full wave type ...
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JP4381741B2 |
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JP4379235B2 |
To avoid control malfunction near a lower dimming limit and to secure a proper dimming control range without considering a type of a load, the number of connection or variation of components in advance. This dimmer is provided with a con...
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JP4374471B2 |
The present invention includes a lighting control system provided with two or more lighting devices and one or more illumination comparing devices; wherein the illumination comparing device supplies to the lighting devices a comparison r...
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JP2009277440A |
To provide a lamp driving device which detects precisely a lamp close to the end of life, suppresses abnormal brightness of this lamp, and further can extend the time before the lamp goes out.The lamp driving device includes a semiconduc...
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JP4370832B2 |
PURPOSE: A power control apparatus is provided to prevent a flicker of brightness caused due to a failure of ignition of a thyristor. CONSTITUTION: A power control apparatus comprises a first phase control circuit(PC1), a second phase co...
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JP4348241B2 |
A load control circuit enabling miniaturization of a brightness adjustment system. The load control circuit includes a variable resistor for generating a reference potential. A first duty signal generation circuit connected to the variab...
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JP4349225B2 |
To provide a dimmer in which control fault at the vicinity of the lowest limit of light control can be avoided even if the type and number of connection of the load, or fluctuations of components are not taken into consideration beforeha...
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JP4342387B2 |
To provide a dimmer with which a change of brightness of an incandescent lamp is recognized by those who dim a light regardless of the present dimming rate in stepwise dimming. When stepwise dimming control is performed with the dimmer, ...
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JP4332177B2 |
It is an object of the invention to provide an improved illumination control circuit comprising a light emission element FL, a driving element 5 for driving the light emission element FL, and a compensation unit 8 are connected in series...
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JP2009529758A |
A portable electronic device, such as a flashlight, with a circuit for reducing the initial surge of current that is sent through the lamp filament when a flashlight is turned on is provided. The circuit reduces the stresses placed on th...
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JP4303106B2 |
An apparatus in an electronic control system allows two or three wire operations. A power supply (150) can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such t...
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