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JP04167301 |
PURPOSE: To make a fluorescent lamp correspond to only conforming frequencies by providing either fluorescent lamp devices or lamp lighting fixtures with protrusions corresponding to the conforming frequencies and separate from the axis ...
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JP04108096 |
PURPOSE: To surely prevent a glass surface from icing in an airport lighting device with man power reduced by an antiicing/deicing device for removing coating ice from a front glass of a lighting lamp, in the case of a lighting equipment...
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JP04106801 |
PURPOSE: To prevent electromagnetic noise generated at the time of discharge from leaking outside a head lamp by installing a lighting circuit unit containing a lighting circuit for a discharge bulb in a case having a grounded conductive...
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JP04087102 |
PURPOSE: To simplify mounting and removal of a battery holding tool by furnishing a projections outside the ends of an open edge of a gutter-shaped cover which enwraps the battery, and providing a space for accommodation of a fuse holder...
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JP04057306 |
PURPOSE: To ensure a space into which a lead wire is inserted between a compound surface and a terminal, and prevent the lead wire from being damaged by the terminal, by making the protrusion size difference between the protruding end of...
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JP04032103 |
PURPOSE: To eliminate the generation of arc between each connector of an apparatus main body and of a lamp holder, so as to prevent the bad effect to a lighting device and so on by making a power source switch OFF before each connector o...
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JP04026001 |
PURPOSE: To eliminate risk of electric shock and enhance the safety by allowing a housing to support at least the starter among components of a lighting circuit which supplies discharge voltage to a discharge lamp, and thereby precluding...
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JP04019901 |
PURPOSE: To prevent parts of a circuit device from being damaged by thermal shock by causing a holder to which a temperature detecting element is mounted to automatically adjust the positions of the temperature detecting element and part...
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JP04004501 |
PURPOSE: To prevent the electromagnetic waves emitted out of the bulb of a discharge lamp from being released to the outside while an ample photo quantity if secured, by forming an inner panel from a metal material, and furnishing a shie...
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JP03280396 |
PURPOSE: To have easy check of the lamp retainer mounted state and enhance the safety by furnishing the body of an illuminating fixture with a retainer mount sensing switch which is actuated when mechanical detention of the retainer with...
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JP03280397 |
PURPOSE: To eliminate carbonization of a terminal due to arc generation and facilitate lamp replacement by furnishing a sensing switch which lights up an all-night light when mechanical detention of the body of an illuminating fixture wi...
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JP03272597 |
PURPOSE: To prevent dangers in a lighting fixture even if a short circuit occurs between feeders each having no insulating-coat by supplying low-voltage power to the feeders, and lowering the level of an output or stopping the output whe...
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JP03214502 |
PURPOSE: To simplify a structure by arranging an extrusion molding body constructed of a reflector part housing a lamp holder means and an electric component housing part combined with a feeder device for the lamp holder means. CONSTITUT...
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JP03179484 |
PURPOSE: To maintain an excellent contact state between a laminate heater and a temperature sensor by forming the part of the laminate heater which faces the temperature sensor in a recessed shape. CONSTITUTION: The laminate heater 15 ha...
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JP03155003 |
PURPOSE: To prevent a high voltage from being applied to an electrode contact pin of a socket on the side where a discharge lamp is not attached by employing an opening closing means which opens a high voltage side circuit when attachmen...
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JP03136938 |
PURPOSE: To shield radio noises due to high voltage pulses generated at the start of lighting of a lamp reliably by isolating a starting circuit of the lamp from a power source circuit and enclosing the starting circuit in a shielded lam...
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JP03113480 |
PURPOSE: To facilitate the attachment and the maintainance of thermo-sensors by opening inserting ports in the bottom surface of a casing, inserting the thermo-sensors into the casing through the inserting ports and providing them on hea...
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JP03074002 |
PURPOSE: To prevent generation of a crack as well as accidental drop of a bulb by mounting a heat detector on the space where air is stagnant, between the bulb formed by covering an end sealed with an electrode of a fluorescent lamp with...
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JP03053404 |
PURPOSE: To prevent damage of small fluorescent lamps at a time of replacement and prevent electric shocks and short circuit by arranging the fluorescent lamps nearly parallel to a cover to be placed in a recess made in part of a shade. ...
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JP03024548 |
PURPOSE: To prevent temperature rise caused by a heating coil by forming the tube wall of a translucent jacket tube where coolant is forcively reciprocated and circulated to the jacket tube in a filter where required wave length of effec...
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JP02288104 |
PURPOSE: To apply flexibility, enhance safety and improve an installation operatability so as to facilitate connection of electric power wire by fastening and connecting the fixing portion of a lighting body to the fixing portion of a fr...
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JP02265141 |
PURPOSE: To improve thermal sensitivity of a temperature fuse by shaping at least a heat radiating type circuit part and a temperature sensitive device in the way of fixing the heat radiating type circuit part and a temperature sensitive...
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JP02148510 |
PURPOSE: To make it possible to simply recognize burnout of the lamp of lighting equipment in the daylight by providing a display portion on the front face of the lighting equipment for displaying burnout of the lamp when electricity is ...
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JP02094208 |
PURPOSE: To prevent the danger of explosion by feeding the voltage to a shutter driving equipment, a lamp, and a damper driving equipment after confirming the pressure difference in a light body. CONSTITUTION: A motor 18 for a fan is ope...
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JP02090409 |
PURPOSE: To prevent the firing of a containment made of acrylic resin even in the case where a pressurized lamp is burst by arranging the pressurized lamp supported by an upper housing and a containment having a window part, and arrangin...
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JP01307192 |
PURPOSE: To eliminate hazard such as electrical shock, fire, etc., by coupling a pressure sensitive switch a spring furnished at a plug part, and arranging this switch to work interlocked with a power supply switch circuit via a switch c...
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JP01289010 |
PURPOSE: To prevent the generation of clearance between the installing surface and the installed surface of the main body of an equipment even though a hanging-down is generated by the heat of the lighting, by forming projections close t...
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JP01283704 |
PURPOSE: To use a device for reading lamp for patient, examining lamp for doctor and variable room-inside lighting lamp by housing both of a patient examining luminaire and a reading luminaire in a wall-fitted housing for integration. CO...
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JP01284334 |
PURPOSE: To prevent the contact of an UV irradiation lamp with an explosive gas and to improve safety by hermetically enclosing the lamp with two layers of gas such as air. CONSTITUTION: The light irradiated from an UV irradiation lamp 1...
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JP01043901 |
PURPOSE: To provide a flashlight made of a relatively inexpensive material and capable of being used for a long period by providing two different electrical systems for generating a light beam. CONSTITUTION: This flashlight is provided w...
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JP01033806 |
PURPOSE: To provide a flush type luminaire suitable for a downlight of heat insulating construction by fitting a terminal board to the inner face of the top plate of a luminaire main body with fitting tools together with a thermal protec...
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JP61011719 |
PURPOSE: To permit continuous operation in a dangerous place by forming a light source of a tough aluminum housing which has the max. possible number of fire passages and is provided externally with cooling fins. CONSTITUTION: The light ...
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JP59029351 |
PURPOSE: To exceedingly improve assembly work and simplify and miniaturize the structure of a cover by electrically connecting and fixing a lighting device such as a glow lamp and other fluorescent lamp component parts such as a temperat...
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JP55143015 |
PURPOSE: To enhance the safety of a discharge lamp illuminator by winding an electric wire coated with an insulating film lower having melting point than oily enamel on an iron core without using an interlayer paper and providing an indi...
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JP54144084 |
PURPOSE: To facilitate the assembly of members including a ballast unit and a main body by retaining thereof together through an expansible wire partially provided with resilency. CONSTITUTION: A protective tube 4 incorporating a lamp 5 ...
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JP54132368 |
PURPOSE: To prevent high frequency from leaking externally downwardly of a high frequency electrodeless fluorescent lamp device for lighting via high frequency electromagnetic field by mounting a cover for transmitting light but shieldin...
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JP54115573 |
PURPOSE: To improve the intensity of protection cylinder and to prevent the obstruction of wiring conductor for lighting of lamp by inserting a wiring conductor of semicircular frame, which is provided with a lots of holes, in the inner ...
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JP54109267 |
PURPOSE: To accomplish higher power factor by means of a second commercial lighting circuit formed employing an AC switch circuit adapted to conduct during the supply of commercial power. CONSTITUTION: Two lamps 4 and 5 are provided at t...
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JP54099364 |
PURPOSE: To detect disconnection of lamps collectively and simplify the constitution by providing with detecting coil magnetically connected with feed wire for plurality of lamp circuit and detecting disconnection of lamp by comparing th...
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JP54073485 |
PURPOSE: To pull out an elastic reflecting plate and easily clean it up, by removably attaching the reflecting plate inside a guard which covers a fluorescent lamp and a protective cylinder therefor and by removing end plates which close...
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JP54012178 |
PURPOSE: To simply and surely protect a lamp protecting cylinder by a light-transmitting resin film, by winding the film on the cylinder and thermally fusing the overlapped portions of the film to each other by a linear heater.
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JP54006380 |
PURPOSE: To prevent the dispersin of radio waves, by covering an opening end of a shade with a radio wave shield portion material.
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JP54006379 |
PURPOSE: To prevent the dispersion of radio waves and to heighten lighting effect, by surrounding a non-electrode fluorescent lamp with a surrounding portion material, and by covering the opening end with a radio wave shield portion mate...
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JP53106594 |
PURPOSE: To facilitate the recognition of fault and obviate giving anxiety to outsiders by providing a display element which transmits a preliminary fault announcement signal which is detectable only in a specified detector to emergency ...
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JP53051680 |
PURPOSE: To provide an emergency explosion-proof illumination equipment wherein an interlocking operation and an inspecting operation are carried out by turning and sliding one switch operating board thereby obtaining the equipment at ch...
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JP53035280 |
PURPOSE: To prevent bad contact with sockets caused by polarization of a fluorescent lamp and heat expansion by providing a projection, which contacts with a tube wall of the fluorescent lamp, at the inner surfaces of ring-shaped members...
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JP52135579 |
PURPOSE: In a discharge lamp of a double tube construction wherein a light-emitting tube is covered by an outer tube, the feed of a current to the light emitting tube is immediately cut off when the outer tube is accidentally broken, so ...
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JP52098374 |
PURPOSE: To achieve effective function of protecting a cylinder, which is transparent, has mechanical strength and is made as a resin molding, by covering the cylinder with a thermally contractive tube made of a transparent molding resin.
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JP52001983 |
PURPOSE: To prevent a ballast from igniting by fitting in the ballast tightly a metalic cover folded in form of a groove in section.
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JP52000081 |
PURPOSE: To provide a safety device which can automatically shut off power to prevent damage from affecting the other by naturally dropping the stabilizer upon melting of spacer of thermoplastic resin inserted into an attachment screw wh...
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