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Patent Searching and Data


Matches 701 - 750 out of 2,637

Document Document Title
JP4381741B2  
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...  
JP4374471B2  
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...  
JP4370832B2  
JP4348241B2  
JP4349225B2  
JP4342387B2  
JP2009218214A
To provide an induction coupled type lamp assembly with efficiency, reliability improved under various conditions, and can be easily adapted with various lamp shapes.The lamp assembly accepting power by induction from a primary coil incl...  
JP4332177B2  
JP2009529758A
A portable electronic device like a flashlight which has a circuit which reduces serge in early stages of current which flows through a lamp filament when a flashlight is turned on is provided. A circuit reduces stress added to an electr...  
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...  
JP2009164096A
To provide a dimmer device capable of switching between a dimmer output mode and a direct power supply output mode, and of reducing the rating of a relay for switching the modes.The dimmer device includes: a phase control circuit 1 with ...  
JP2009140671A
To provide a phase control device which prevents disorder of a waveform of output current by surely arc-lighting a thyristor in spite of a light load.The phase control device includes a first phase control circuit 1 having a self arc-ext...  
JP2009123426A
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 alternating...  
JP4272245B2  
JP4261806B2  
JP2009081005A
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 1...  
JP2009076108A
To enable an apparatus in an electronic control system to perform 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 ar...  
JP2009510667A
The smart dimmer switch for controlling lighting load from a source of alternating current voltage can also replace what kind of switch in three ways or 4 way lighting control system. A smart dimmer switch is connectable with the line si...  
JP2009026466A
To provide a lighting control circuit capable of dimming a lighting lamp without flickering by suppressing inrush currents to an electronic transformer due to dimming.In a lighting control circuit comprising an electronic transformer 2 i...  
JP4217629B2  
JP2009021035A
To provide a dimming circuit capable of normally dimming light without fluctuations for every product.The dimming circuit is provided with a trimming potentiometer VR2 which changes a phase of a trigger signal in addition to a variable r...  
JP2009010963A
To allow two or three wire operation within an apparatus in an electronic control system.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...  
JP2008312237A
To enable two- or three-wire operation of a device in an electronic control system.A power supply 150 can supply power to a closed circuit in both of two- and three-wire devices. Two separate zero-cross detectors are used so that timing ...  
JP2008312239A
To enable two- or three-wire operation of a device in an electronic control system.A power supply 150 can supply power to a closed circuit in both of two- and three-wire devices. Two separate zero-cross detectors are used so that timing ...  
JP2008293972A
To aim at improvement of reliability of a lamp assembly receiving power by induction from a primary coil.The lamp assembly 210 includes a secondary coil 214 and a lamp connected in series, and a lamp circuit. The lamp circuit includes a ...  
JP2008277310A
To provide an electronic control system wherein an apparatus 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 ar...  
JP2008277301A
To provide a lamp assembly configured to inductively receive power from a primary coil.The lamp assembly comprises a lamp circuit provided with a secondary inductive coil and a lamp connected in series. In a first aspect, the lamp circui...  
JP2008277311A
To provide an electronic control system wherein an apparatus 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 ar...  
JP4180407B2  
JP4175616B2  
JP4177624B2  
JP4177315B2  
JP4158285B2  
JP2008210597A
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 el...  
JP4146667B2
To prevent flickering caused by a change in drive voltage due to overlapping of on-timing of PWM signals to a plurality of lamps when both the lamps are lit and driven by PWM control. Frequencies f1, f2 of PWM signals S1, S2 for lighting...  
JP4139108B2  
JP4140279B2  
JPWO2005096678A1
本発明は、発光素子を駆動する駆動素子を有 する照明制御回路において、電源電圧が変動 した場合に、該駆動素子に対する負荷を低減 し、また発光素子の明るさを安定化させ...  
JP4127131B2  
JP4125230B2  
JP2008171821A
To provide a novel lamp in which at least materials contained therein which are solid or liquid under typical conditions of use and/or storage are vaporized particularly prior to generating light in the lamp.Methods and apparatuses for h...  
JP2008159518A
To provide a lighting circuit which can make full lighting of a lamp of a light source for an underwater light or the like.The lighting circuit is provided with a lamp 23 and a dimming circuit including a transistor TR to convey a load c...  
JP4116327B2  
JP4095850B2  
JP2008098004A
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 s...  
JP2008512005A
The method of controlling an electric light source by Pulse Density Modulation of service voltage is introduced, service voltage or the quantity related to it is measured, and pulse width is controlled with regards to it. Service voltage...  
JP4069482B2  
JP4069647B2  

Matches 701 - 750 out of 2,637