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Patent Searching and Data


Matches 551 - 600 out of 2,182

Document Document Title
JP2013145647A
To provide an LED lamp capable of restraining deterioration of an illumination environment by detecting no lighting-up group of LED groups, an LED lighting-up device, and a lighting fixture using the LED lamp and LED lighting-up device.T...  
JP2013134886A
To mount an IC tag at a proper position to a light source device or a lighting fixture using a light-emitting body having comparatively long life such as an LED.An IC tag 6 is covered with a resin cover, and is fixed on a surface opposit...  
JP5219285B2  
JP2013114840A
To provide a light source device and a projector, capable of restraining leakage of light with high output to the outside and securing its safety.The light source device includes: an excitation light source 10 for emitting exciting light...  
JP2013109883A
To obtain sufficient creepage distance between terminals and a metal substrate, even in case light-emitting element are mounted on the metal substrate and terminals of wires are coupled with terminal-fixing members such as screws penetra...  
JP2013110411A
To provide an optical element module having a waterproof function and a surface light source device using the optical element module.An optical element module includes: a plate like substrate 100; an optical element 200 coupled to an upp...  
JP2013089356A
To save energy more easily than before when saving the energy by partially stopping lighting of a fluorescent lamp.First and second ring-shaped terminals 4, 5 inserted into rod-like electrodes at both ends of a fluorescent lamp respectiv...  
JP5172470B2  
JP5160650B2  
JP2013045588A
To provide an explosion-proof type lighting fixture capable of restraining cost at a low level of replacing an existing one.In the explosion-proof type lighting fixture, a terminal box 4 is integrally arranged on a fixture body 2, and a ...  
JP5146669B2  
JP2013031350A
To solve the problem of LEDs used increasingly as light sources in place of mercury lamps for road lamps, etc. that although magnetic ballasts are used for mercury lamps, semiconductor components are used in many cases for the control po...  
JP2013030290A
To provide a lighting fixture using as a light source a lamp equipped with an E-type base capable of preventing wrong use of a light source other than a conformed one.The lighting fixture 10 is provided with a fixture body 11, a socket 1...  
JP2013012302A
To provide a connecting unit that facilitates wiring work between a plurality of LED illumination lamps arranged in separation.A connecting unit 1 which connects among the plurality of LED illumination lamps 10 is provided. The connectin...  
JP2013012434A
To effectively cool each light source element in a lamp unit with a plurality of light source elements arrayed in one direction, and structured by arranging a plurality of the light source element rows in accordance with the need.The lam...  
JP2013008551A
To provide an explosion-proof electric apparatus capable of attaining miniaturization and lightness of the apparatus and sufficiently supplying power to an intrinsically-safe circuit by reducing wiring inductance and capacitance between ...  
JP2013004310A
To provide an emergency lighting device capable of dispensing with a highly heatproof terminal block and lasting power supply to the other fixture bodies even though some fixture body breaks down, and an emergency lighting system.The eme...  
JP5072656B2  
JP5073559B2  
JP2012221742A
To provide a lighting fixture capable of preventing a fixture body from falling even if either of hanging members is broken, as the fixture body is hung with two hanging members.Both ends in a longitudinal direction of an elongated fixtu...  
JP2012216299A
To provide a light source system having two sets or more of light source devices, which does not increase in size and can detect whether or not there is abnormality for each of the two sets or more of light devices.In a detection period ...  
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...  
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...  
JP5041945B2  
JP2012185966A
To provide a light source unit equipped with a safety switch, which turns on the unit as it is mounted on a lighting fixture by being pressed toward a fixture body, and turns it off when a voltage fed from a DC power supply circuit goes ...  
JP2012146425A
To enable an LED lighting fixture to efficiently radiate heat even without providing a large heat sink.In the LED lighting fixture provided with a base kind, an LED for a light source, a radiator, and a circuit board having an LED power ...  
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...  
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...  
JP4946737B2  
JP4938188B2  
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...  
JP4925299B2  
JP2012079517A
To provide an illumination system and an illumination method capable of detecting an abnormal of a light source device without reduction of emission efficiency and increase in the size of the light source device.An illumination system 1 ...  
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...  
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...  
JP2012069325A
To provide a rotation-preventive member for a direct-mount lighting fixture capable of restraining a load applied to a wall surface or the like at a low level at the time of mounting on the wall surface and preventing rotation of a light...  
JP4899651B2  
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...  
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...  
JP4882846B2  
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...  
JP4876452B2  
JP2012022892A
To provide a bulb type lamp in which even when the lamp is used in a temperature environment of an assumption temperature or more, breakage of a built-in lighting circuit is prevented, and the lamp is turned off to attract the user's att...  
JP4858330B2  
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...  
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 ...  
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...  
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...  
JP4767445B2  
JP2011171167A
To prevent exploded pieces from scattering in a device cabinet and causing a significant damage, even if a lamp explodes, and to reliably cool a discharge lamp inside a reflector with a very simple structure.A lamp unit (6) includes an o...  

Matches 551 - 600 out of 2,182