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Patent Searching and Data


Matches 801 - 850 out of 2,187

Document Document Title
JP3374631B2  
JP2003031025A
To prevent impairing durability service life of an inverter-type electronic ballast with heat of a discharge lamp, after realizing compactness of a light fixture, and further, to prevent the inverter-type electronic ballast from being da...  
JP2003029337A
To provide an optical device for lamp, which enhances the cooling efficiency, reduces noise, and brings no evil upon a cooling fan in an air flow passage even if, for example, a light emission tube bursts.A space 3a in a lamp unit 3 comp...  
JP2003007128A
To provide a light source device of a new structure capable of surely preventing scattering of fragments of a lamp luminous tube or concave reflection mirror, even if a discharge lamp or concave reflection mirror of the light source devi...  
JP3363817B2  
JP3355809B2  
JP2002352604A
To provide a light source device surely preventing scattering broken pieces when a light source lamp explodes while cooling is enhanced and enhancing workability in replacement, and provide a lamp unit and a projector. The light source l...  
JP2002333670A
To maintain the cooling efficiency and to store and dispose harmful sealed gas and mercury in a recovery part without discharging them out of a floodlight device even in the case of breakdown of an ultra-high pressure mercury lamp 2 in t...  
JP2002334609A
To provide a discharge lamp assembly which eliminates heat release of a discharge light source used for a floodlight projector or the like.The high-intensity discharge lamp assembly (10) contains a discharge light source (12), stored ins...  
JP3335592B2  
JP2002298637A
To provide a bulb, a bulb with reflecting mirror and an illumination apparatus that can prevent breakdown of the mount and the bulb by extinguishing arc in a short time, when arc discharge is generated at the time of filament break.These...  
JP3327555B2  
JP2002529900A
(57) Fluorescence lamp (10) equipped with the summary protective tube (16) and the glass tube (12). The specific vent (30) of the number and a majority of sizes is prepared in the protective tube in the place near the cap of an end.  
JP3316363B2  
JP3315854B2  
JP2002525815A
(57) The reflector (10) with which the lamp holder (50) for holding a summary discharge lamp (20) was fixed, In the headlight for cars equipped with the high-pressure connector (60) which it is attached to the above-mentioned lamp holder...  
JP3314296B2
To prevent fall while securing swiveling function of a floodlight by disposing a specific bracket between a vertical angular movement mechanism and a swivel mechanism and employing a means for engaging with a guide secured to a floodligh...  
JP3309643B2
PURPOSE: To simplify the detection of the disconnecting load of a plurality of loads by a method wherein a shunt is connected in series to a load unit and based on a relation between the detecting voltage and the resistance value of the ...  
JP3307104B2
PURPOSE: To clinch a glass globe, when disengaged, and surely prevent it from dropping by providing a drop preventing member on a luminaire main body to hook the glass globe at the lower part, independently of a glass globe support. CONS...  
JP3307226B2
To provide a liquid crystal projection device having a hermetically sealed structure lamp where the explosion noise of a light emitting tube is softened and broken pieces are prevented from being scattered in a state where an air course ...  
JP3304114B2
PURPOSE: To protect a built-in electronic part against abnormal overheat. CONSTITUTION: A control block 18 for controlling a lamp lighted by receiving a signal from a sensor module 2 is arranged in a body 1. A relay 21 for on-off control...  
JP2002127813A
To provide a means of preventing or reducing dazzlement caused by an oncoming traffic, even when a failure such as the malfunction of an adjusting device occurs.A safety device is provided, and the function of the adjusting device is at ...  
JP3300875B2
To facilitate work for assembling a head light by electrically connecting a noise shield to a line for connecting one end of an inductance onto a negative electrode side of an input power source, and electrically connecting the noise shi...  
JP3267624B2  
JP2002075039A
To provide a reflector for a high-pressure discharge lamp equipment where the reflector is not broken at breakage of the lamp while splash of lamp fragments is effectively prevented in the case of breakage.The reflector for the high-pres...  
JP2001523881A
(57) Summary electric light equipment is connected with the support frame (10) attached to a wall, and a support frame (10), and has movable assistance or an inspection light source (40) from the first storage position to the second use ...  
JP2001325819A
To provide a reflecting mirror, especially for a lamp including a high-pressure gas discharging luminous body, the inner surface, and the outer surface.A coating, comprised of heat resistant and tough plastics, is provided for preventing...  
JP2001307535A
To provide a structure which can prevent scatter of fragments by a simple means when a discharge lamp in a concave reflector having an opening for ventilation should suffer a damage such as bursting.The light source unit comprises follow...  
JP2001256819A
To provide a lamp house appropriately preventing a danger when a lamp bulb bursts.Ventilation ports 10, 20 for cooling a lamp bulb 40 provided in a casing 100 by ventilation is provided with an opening/closing plate 11 opening just inwar...  
JP2001242544A
To provide a light device in which fragments of a super high voltage short arc discharge lamp or reflecting mirror are not scattered, and a projector is not damaged even when the reflecting mirror is cracked due to the burst of the super...  
JP2001184937A
To provide a condenser for florescent lamp abnormality detecting apparatus that can be easily mounted and has a high reliability. This apparatus detects light from a condenser 21 fitted into a fluorescent lamp 1 and detects the abnormali...  
JP2001508921A
(57) The protection instrument to the fault temperature of the adjusting device for summary gas discharge lamps has an adjusting device and a DC/DC converter. That control is performed is electric power supplied to a gas discharge lamp. ...  
JP2001176302A
To provide an optical apparatus that prevents the flying of a fallen piece of a transmittant glass plate covering a concave reflector encircling a discharge lamp and an opening in the front thereof even in the case of a rupture of a shor...  
JP3195215B2
To provide a headlamp for an automobile capable of effectively shielding an electromagnetic wave generating from a power cord connecting a lighting circuit to a discharge bulb and from the rear edge part of the discharge lamp in the head...  
JP3193604B2
To provide a luminaire having high visibility and realizing heat countermeasure with electromagnetic interference countermeasure by improving luminous efficacy in a lamp using a discharge bulb. The depth dimension of the paraboloid of a ...  
JP3142579B2  
JP3162290B2
To provide a lighting fixture for a vehicle having a discharge bulb effectively suppressing radiation of an electromagnetic wave in the lighting fixture for the vehicle with the discharge bulb serving as a light source further with minia...  
JP3159078B2
To prevent radio noise radiation to the front of a vehicle to inhibit the lowering of receiving performance of the radio or television of a preceding vehicle. A reflector 7 reflects the radiated light of a high voltage discharge bulb 1, ...  
JP2001035241A
To prevent wires from being pulled excessively, when a support provided with electric-lamp members on its end part has extended to a maximum height. In this floodlighting device, a plurality of stepwise thinning supports are extendably c...  
JP2001006430A
To provide a lighting system for an airtight device having a structure not requiring disposal of a glove box itself even if slight trouble occurs, without using a luminaire having a weak structure to hard conditions such as a fluorescent...  
JP2000515294A
(57) Even if it is a time of the summary lamp not being inserted, the contact structure assembly object that operation is safe for contacting especially a gas discharge lamp is specified. An assembly object has the housing, the main cont...  
JP2000306423A
To provide the guiding exhaust of hydrogen gas within a luminaire and a waterproof effect in the luminaire. To prevent a danger in cases where a battery case 3 is filled with hydrogen gas 5, a vent pipe 4 for exhausting the gas to the ex...  
JP2000306413A
To provide a light source unit capable of cooling a light-transmitting plate from the inside of a reflector while simplifying its explosion-proof construction. In this light source unit U1, an opening in a reflector R is covered with a l...  
JP2000292859A
To provide a light source device constituted so that the burst of a light emitting tube and the deterioration of the light emitting characteristics thereof are reduced and the exchanging work thereof can be safely executed when the light...  
JP3099323B2  
JP2000252085A
To prevent lighting to prevent a fire even if an incandescent lamp generating quantity of light equal to a fluorescent lamp is inserted in a lamp holder of a compact self-ballasted fluorescent lamp lighting system. When a regular compact...  
JP2000243105A
To enhance a shielding effect of an electromagnetic wave in a lighting fixture for vehicle of which light source is a discharge bulb, to reduce the number of parts of the lighting fixture, and to attain simplification of assemble work th...  
JP3085331B2  
JP3104158B2
PURPOSE: To provide a small structure of a cover tube making the fitting or removing work of the cover tube simple and easy, hardly removed, and surely preventing the infiltration of rainwater into a body main body. CONSTITUTION: A cover...  
JP2605702Y2  

Matches 801 - 850 out of 2,187