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JP2007207451A |
To provide a socket for an incandescent lamp with a circuit with stable light control characteristics built in and yet of a structure in which heat radiated by the lamp shall not be transmitted to a part of a housing fitted with the circ...
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JP2007200566A |
To provide a control device for vehicular illumination capable of restraining variations in the brightness of residual lamps, when a lamp is blown out while restraining the cost. The vehicular illumination control device 1 performing a D...
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JP3956585B2 |
To provide a dimmer that makes it easy to assemble and reduces cost. A complete unit 1 of a dimmer consists of a body 10 made of synthetic resin with a front opening and a cover 20, which is joined with a front side of the body 10, made ...
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JP2007188785A |
To provide a multiple lamp lighting system that can solve the problem of lighting failure due to the occurrence of a non-lighting lamp in a multiple lamp lighting system suitably used for lighting in a tunnel, for example.A brightness se...
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JP3947720B2 |
To provide an illumination control lighting device for an incandescent lamp which has small color temperature variation accompanying the light control by using the light control power supply installed in a TV studio or theater stage. A f...
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JP2007518243A |
There is provided a lighting control device for controlling a light intensity level of at least one lamp, the at least one lamp having an initial light intensity level, the lighting control device comprising: a microcontroller; and a use...
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JP2007173037A |
To precisely convert a PWM signal into a phase control signal at a low cost in a lighting controller controlling a lighting load controlled for light regulation by the PWM signal and a lighting load controlled for light regulation based ...
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JP2007165161A |
To lessen reduction in brightness caused by an open failure of an LED or the like by lighting other LEDs except faulty LEDs by being equipped with a means to bypass current in parallel with the LEDs connected in series.The LED illuminati...
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JP3928133B2 |
To provide an incandescent dimmer that supplies sufficient power to the incandescent lamp even in transition through a main circuit with a thyristor, wherein luminous flux build up is not retarded and excess current resistance is reliabl...
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JP2007115430A |
To provide a synchronism detection circuit for light control device capable of removing notched wave-form included in power source wave-form of a synchronism detection circuit, generating synchronous signal pulse having little phase diff...
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JP2007080801A |
To prevent at a low cost a burnout of an incandescent lamp which occurs frequently.A rectification diode for preventing a burnout is mounted on a plug head of an incandescent lamp and the lamp is screwed into a lamp socket, a power is su...
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JP2007506239A |
The invention relates to a blended light lamp ( 1 ) having an incandescent lamp ( 2 ) and a gas discharge lamp ( 3 ), a rectifier ( 4 ), an energy storage means ( 5 ) and an ignition device ( 6 ). The high-pressure discharge has an opera...
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JP3876878B2 |
To provide a power supply device which can reduce power consumption by reducing the wasteful current consumption of a boosting circuit at start-up of the boosting circuit, and besides can switch the switching element of the boosting circ...
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JP3872820B2 |
A power control apparatus, particularly for lighting systems such as fluorescent lights. A power variation circuit (16) is provided coup led between a mains electrical input power source and at least one power output to a load (6) such a...
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JP3864457B2 |
To perform precise dimming by selectively using separate control tables for a dimming amount to be increased and to be decreased. A zero-close detection part 1 detects a zero-close for a commercial power supply AC and feed it to a CPU 3....
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JP2006527861A |
A projection system for image display with at least one lamp ( 1 ), with at least one sensor ( 5 ) for detecting changes in the luminous flux delivered by said at least one lamp ( 1 ) and for compensating these changes through a suitable...
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JP3845405B2 |
To provide a power source device for a traveling wave tube of a small size and low cost. The power source device comprises an oscillation circuit 11 generating an oscillation signal having a frequency optionally selected from a plurality...
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JP2006525640A |
A lamp ( 1 ), for use in street lighting, is provided with a small network element ( 10 ), which preferably is arranged within a lamp fitting ( 5 ). The network element is provided with a switching facility, for switching the lamp ON or ...
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JP3842061B2 |
To provide a load drive device that suppresses rush current at start of driving a load. The load drive device uses a power supply whose output voltage is higher than a usual drive voltage of a load to drive the load. A FET 4 is connected...
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JP2006524334A |
This invention relates to an apparatus for measuring and recording reflectance of a road surface compliance with luminance-specified lighting standards for roads, said apparatus including at least one road surface reflectance monitoring ...
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JP2006278009A |
To enable to perform measurement with accuracy of a reference time of phase control of a dimmer.A closed circuit is structured by serially connecting a two-way switching element Q1 with a self-retaining function, an illumination load 4 w...
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JP2006278061A |
To provide an inexpensive lighting system capable of controlling an illumination load by a normal control signal by accurately distinguishing noise from a zero cross detection signal regardless of the magnitude of noise.A zero cross dete...
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JP3793880B2 |
To leave an after-image in an eye by a display lamp, make it look brighter than when lighted by general (normal) pulses because of this after-image effect, enhance perceptibility by increasing the brightness of visibility, reduce an inru...
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JP3748075B2 |
To provide an electronic module having wires arranged to correspond to the EL structure, and to provide a manufacturing method therefor and an electronic apparatus. The electronic module comprises: an EL section 12; a first substrate 10 ...
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JP2006040669A |
To provide a light-emitting device enabled to supply power with a proper range suitable for a light source like an LED, useful for reducing the size and weight of various kinds of light-emitting appliances like a light emission type push...
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JP3740774B2 |
To exercise stable control even when power loss can be reduced and a power source waveform is distorted at the time of controlling a driving current supplied from an AC power source to a load by a switch means, and reduce the number of p...
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JP2006025475A |
To provide a power controller in which flickering caused by an ignition failure of a thyristor is prevented at light loading.A dimmer comprises a first phase control circuit PC1 provided with self-arc-distinguishing control elements Q1 a...
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JP3728801B2 |
To provide a lighting device that prevents breakage of a rush current prevention resistance due to a voltage fluctuation of an AC power supply. This lighting device has a rush current prevention circuit 41 for preventing a rush current i...
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JP2005346081A |
To overcome unevenness phenomenon, by providing a display device equipped with a control module for preventing harmonic disturbances.The display device is adapted to receive an image signal having an image scanning frequency and includes...
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JP2005340809A |
To provide a light emitting device and a light emitting system capable of maintaining predetermined luminescent colors at a low cost and in a simple manner, and to provide a control method therefor.The light emitting device comprises a p...
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JP2005327607A |
To eliminate trouble of becoming impossible to modulate light when an inverter circuit such as an electronic transformer is connected, instead of an incandescent lamp, as a load to a phase control type light modulation device.This light ...
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JP2005316429A |
To provide a power supply system with high conversion efficiency for the backlight light source of a liquid crystal display apparatus.The power supply system provides a backlight light source of the liquid crystal display apparatus and i...
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JP2005294847A |
To provide a light which is installed and replaced conveniently without the necessity of considering the polarity when installing it.The light is comprised of a light emitting diode, and varistors are installed at both ends of the light ...
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JP2005285672A |
To provide a highly efficient high pressure discharge lamp having high quality and capable of preventing arc discharge in an outer tube bulb during a life test of the high pressure discharge lamp.This high pressure discharge lamp is prov...
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JP2005531118A |
A self contained multiple dimming channel package includes a housing with a main power circuit board supported on its bottom wall and a control circuit board extending laterally and vertically to baffle air flow through the housing. A cr...
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JP3705490B2 |
To provide a load driver that drives, as needed, various lamps in a vehicle carrying a high-voltage power supply and allows the safe installation of vehicle lighting lamps and the like. The load driver (1) is provided with a pulse conver...
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JP2005276831A |
To provide a method and an apparatus where especially solid or liquid contained material is at least vaporized before light is generated in a lamp under typical use and/or storage conditions.The method and the apparatus for high speed co...
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JP2005266397A |
To constitute EL elements constituting icons mutually different by display areas or emission colors so that they can be drives for light emission by utilizing a general-purpose driver IC and a reverse bias voltage can be periodically app...
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JP2005235573A |
To provide a dimmer wherein deficiency of a flicker of a lighting load is reduced by suppressing malfunction of a phase control element by a noise, etc.This dimmer 1 has the lighting load 2, phase control elements SCR1, SCR2 phase contro...
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JP2005228587A |
To provide a bamboo filament lamp which is swayed by the wind like a candlelight and matches the Japanese traditional environment and atmosphere, by reviving an Edison lamp in the present day.The filament lamp circuit includes: a switchi...
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JP2005205968A |
To provide a lamp control device capable of saving power.Plus power supply from a high voltage battery 11 is supplied to a lamp 31 with built-in headlight. A lamp ground line 15 from the lamp 31 is connected to a collector 33 of a power ...
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JP3677787B2 |
PURPOSE: To sense whether the installed lamp is a rated one and allow the applicable apparatus to be used safely according to the result from sensing. CONSTITUTION: A falied load current is sensed by a resistance 7. The output of an inpu...
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JP2005197193A |
To provide a conventional glass bulb type electric bulb with prolonged life.The life of the electric bulb generally connected directly to a power source is prolonged by properly controlling a current by a variable resistor in a state whe...
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JP2005521367A |
A protection circuit for protecting a dimmer circuit controlling an inductive load including an imbalance detector for detecting an asymmetrical operation in the load and circuit control means for causing the dimmer circuit to reduce a D...
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JP2005521377A |
A protection circuit for protecting a dimmer circuit controlling an inductive load including an imbalance detector for detecting an asymmetrical operation in the load and circuit control means for causing the dimmer circuit to reduce a D...
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JP2005190895A |
To provide a lighting apparatus wherein a situation where an overcurrent flows into a feeder circuit to heat a mouthpiece part for melting a resin ornament part etc. when equipped with the lighting load exceeding a rated power can be pre...
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JP2005521376A |
A protection circuit for protecting a dimmer circuit controlling an inductive load including an imbalance detector for detecting an asymmetrical operation in the load and circuit control means for causing the dimmer circuit to reduce a D...
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JP2005520309A |
A portable imaging system incorporating a portable light source powered by a battery, the output of which is conditioned and regulated to supply an output voltage of a selected level such that the light source provides illuminating light...
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JP3666026B2 |
PURPOSE: To enhance the sensing accuracy of a lamp capacity for dimmers having different specification lamp capacities by providing an adjusting element which maximizes the current fed to a CPU via A/D converters at the time of max. dimm...
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JP2005515594A |
A UV lamp unit is provided and comprises a lamp in the form of a mercury low pressure amalgam lamp that is provided with at least one amalgam deposit. A cladding tube surrounds the lamp in such a way that an air gap is provided between t...
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