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JP2012201272A |
To provide a marker lamp lighting device capable of forcibly lighting a marker lamp when normal lighting control of the marker lamp cannot be performed.A lighting power source from a lighting power circuit 21 is supplied to the marker la...
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JP2012204204A |
To provide a marker lamp lighting device capable of compulsorily lighting off a maker lamp when normal lighting of the marker lamp cannot be controlled.By a blocking action of blocking means 33, supply of a lighting power source to a mar...
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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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JP2012124059A |
To provide a lighting fixture in which a fixing component for fixing an installation spring does not project to the outside of a fixture body and the spring performance of the installation spring does not deteriorate, and which can be in...
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JP2012124145A |
To provide a base set for light-emitting diode lamps, a socket set for the light-emitting diode lamps, and a lamp fixture using them, which can basically prevent problems including life shortening caused by flow of wrong current to the l...
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JP4946737B2 |
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JP4938188B2 |
The headlight for a motor vehicle has a mask (10) which pivots to follow the path of the road in front of the vehicle using an adjuster (30). The mask has an adjuster for pivoting around a horizontal axis. A sensor detects a malfunction ...
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JP2012094451A |
To provide a compact-type lamp and a lighting fixture capable of reducing breakage through alleviation of stress of a fuse.The compact-type lamp is provided with a light-emitting part 2, a lighting circuit 4 having a circuit board 4a wit...
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JP4925299B2 |
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JP2012079556A |
To provide a sealed structure container capable of reducing thickness in the vicinity of a window and the number of fixing screws and reducing cost and facilitating assembling work, while raising freedom of design and miniaturization.The...
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JP2012079657A |
To provide a planar light source device in which breakage or slippage of arrangement position of point light sources are prevented even when the point light sources mounted on a light source substrate receive a stress from the outside, a...
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JP4899651B2 |
A light-emitting diode illumination circuit includes light-emitting diodes connected in series and compensating elements connected in parallel with the light-emitting diodes. Each of the compensating elements includes positive and negati...
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JP2012038471A |
To prevent an electric shock accident occurring as a socket in which a plug is not fitted among a plurality of sockets is touched with a hand by mistake.A discharge lamp lighting device 8 includes the plurality of sockets which are attac...
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JP2012038598A |
To provide a lighting device capable of surely preventing an operation of an explosion-proof valve of an aluminum electrolytic capacitor used for a long period at low cost and preventing generation of displeased feeling in advance.The li...
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JP4882846B2 |
To provide a power source terminal board which is equipped with a noticing device to notice surely at a predetermined time that a presumed elapsing conduction time is reached and in which a fixing work of the notice device and a wiring w...
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JP2012504305A |
The present invention relates to an explosion-proof LED lamp, wherein an LED lamp is adopted so that the casing becomes light and compact and the manufacturing cost is reduced, and in addition to straightforward handling, the LED lamp an...
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JP4876452B2 |
To improve ease of maintenance by providing a plurality of blowout parts for interrupting power supply to a solid light-emitting element. This lighting system comprises a plurality of light-emitting units 1 connected in parallel to a DC ...
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JP4858330B2 |
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JP2012004024A |
To provide an LED lighting device 1000 in which heat generated from an LED 211 is heat conducted efficiently to a radiation member and light output characteristics generated from the LED 211 are improved in a board 214 mounted with the L...
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JP2011210552A |
To provide a light source device capable of attaining improvement of lighting startability of a main light source and suitable display of abnormal conditions in a simple structure.The light source device 2 includes the main light source ...
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JP2011204658A |
To provide a screwed-in lamp socket for low-temperature use which can attain a highly-sensitive storage and connection structure capable of quickly performing circuit-breaking and protection by a thermal protector in the middle of temper...
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JP2011181256A |
To provide a lamp with a built-in lighting device, enabling to accurately cut off the lighting device when a heating circuit component of the device abnormally heats while promoting the downsizing of the lighting device.The lamp 1 includ...
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JP4767445B2 |
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JP4741640B2 |
An illumination device for backlighting an image reproduction device containing light valves, the illumination device including a plurality of luminous spots arranged in grid format on a flat thermally conductive carrier. Each luminous s...
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JP4720539B2 |
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JP2011086602A |
To provide an LED integrated fitting lamp having a large capacity for an LED lamp.The LED integrated fitting lamp 1 constituted of more than one to a plurality of LED lamps 3 mounted in a translucent outer cylinder 2, and is equipped wit...
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JP2011086633A |
To provide a light emitting device which is less affected from malfunction occurring in light emitting elements and has a structure in which the light emitting elements are connected in series.The light emitting device is formed by conne...
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JP2011082053A |
To provide a fluorescent lamp which effectively facilitates preventing cover glass from shattering.The fluorescent lamp 10 is structured of a base 11 capable of connecting with a socket, a case 12 having a built-in stabilizer 13 joined w...
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JP2011065062A |
To provide an internal illumination-type signboard, wherein difference in illuminance on a display screen can be minimized even when a fault occurs in an LED panel and the size of a power source device is made small.The internal illumina...
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JP2011054551A |
To provide a power supply device, an LED illumination lamp and a luminaire, which can ensure improvement in safety, when removing a light source.An interlock switch 51 is assembled into a female connector 28, and which a male connector 3...
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JP4651849B2 |
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JP4644297B2 |
The invention relates to a lamp comprising a folding screen which is at least partially provided with a reflective layer and has at least one mobile tensioning means for stretching the folding screen, said folding screen surrounding a lu...
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JP4624337B2 |
To provide a fluorescent lamp having a base pin capable of being caulked to connect a lead wire from a filament with a connection wire of a protection element for an electrode part abnormal temperature rise prevention protection. The flu...
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JP3165208U |
To provide an energy-saving condominium nightlight system having a long life and no fear of fire. An LED or EL lamp, a thin film type EL, and an organic EL1 are lit by a power source 2 including a battery, and these are sandwiched with a...
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JP2011003398A |
To provide a lamp with a base and a lighting fixture wherein a lighting device is made inoperative when the temperature of electronic parts to constitute light-emitting elements and the lighting device exceeds a predetermined reference v...
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JP4596270B2 |
To provide a lighting fixture of which fall out can be surely prevented. In a pole fixing chamber 4, a round bar 17 penetrating the pole P and a wire side fixing part 42 provided near an external wall of a lower barrier wall 12 are conne...
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JP2010272472A |
To provide an LED lighting device in which stability of optical output and lifetime of an LED is attained by controlling excessive temperature rise in lighting the LED to a stable state, and when by any chance an abnormal temperature ris...
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JP2010244716A |
To retain a signal indicating abnormality of a vehicular lighting fixture 21a by an inexpensive and simple circuit structure.The driving circuit for a lighting fixture which drives the vehicular lighting fixture 21a includes: a lighting ...
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JP4561593B2 |
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JP4554339B2 |
The device has a light source with a discharge bulb, a high-voltage module (13) and a bulb base ensuring a link between the bulb and module. A headlight counterpart includes a reflector and a lamp holder that maintains the bulb in front ...
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JP2010186662A |
To provide an illumination device to illuminate a zero-grade hazardous place for a vessel.Through-holes 17 are bored in a deck 16 which separates the zero-grade hazardous place and a second-grade hazardous place. An optical fiber 21 is i...
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JP4530316B2 |
A motor vehicle headlight includes a reflector on which a lamp holder is fixed for mounting a discharge lamp, and a high tension connector adapted to be engaged on the lamp mounted in the lamp holder to ensure the electrical power supply...
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JP3162087U |
To provide an explosion-proof lamp structure capable of increasing the distance between the inside and the outside of a shell and greatly improving safety. An explosion-proof lamp structure includes a shell body 1, a first stainless stee...
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JP2010177119A |
To provide a high-pressure discharge lamp device, capable of appropriately inhibiting the generation of starting pulses of high voltage and power supply with a simple structure, not only at the opening an operation opening part, but also...
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JP4511082B2 |
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JP3160416U |
To provide a lid plate structure of a support column opening for fixing a monitor for monitoring a defect of a lighting lamp. As a structure of a lid plate of an opening of an illuminating lamp strut, an abnormality in the output of an L...
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JP2010135257A |
To provide a detection device of road illumination lamp failure capable of reducing time and cost from the time of confirmation of the failure of the road illumination lamp until restoration. In the device of road illumination lamp failu...
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JP4484550B2 |
The headlight has a complementary module to receive a set of signals through electric connection (213). A connector (210) comprises a set of contact areas (301) of the connection (213) and a set of complementary contact areas (303). Each...
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JP2010129612A |
To provide a lighting device capable of preventing an LED from being broken in case of a short-circuit fault occurring to the LED. The lighting device including a DE/DC converter 2 which controls a current to be supplied from a DC power ...
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JP2010118267A |
To provide an illuminating light source capable of enhancing safety in case a globe drops from a case.The illuminating light source is provided with a light-emitting part 3 and a lighting circuit 5 supplying power to the light-emitting p...
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