LOW POWER HIGH VOLTAGE DISCHARGE LAMP AND METHOD OF OPERATING THE LAMP
PURPOSE: To extremely shorten a time for starting by specifying various requirements. CONSTITUTION: The starting current of a lamp 1 is controlled to be 5 to 10 times the rated current value, a discharge container 2 is forced to include at least halide of sodium and scandium or halide of rare earth...
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| creator | YOAHIMU ARUTO YURUGEN HAIDAA AREKUSANDAA DOBURUSUKIN YURUGEN FUOMU SHIYAITO |
| description | PURPOSE: To extremely shorten a time for starting by specifying various requirements. CONSTITUTION: The starting current of a lamp 1 is controlled to be 5 to 10 times the rated current value, a discharge container 2 is forced to include at least halide of sodium and scandium or halide of rare earth metal of sodium and the mass of the container 2 is set within a range from 0.002 to 0.1g/W per output W watt of the lamp 1. Furthermore, the container 2 including xenon gas of sealing pressure 3 bar as a sealed gas at least at a normal temperature is provided with means for transmitting visible light beam by either partially reflecting or absorbing invisible light beam. The shaft part of an electrode 4 is 0.3mm in its maximum diameter, and mutually opposing parts of the electrode 4 are roundish. At least one factor out of 4 factors is combined, a period of time for reaching 90% of light flux is reduced from about 30 seconds to about 1 second so that the time for starting can be saved remarkably. |
| format | Patent |
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CONSTITUTION: The starting current of a lamp 1 is controlled to be 5 to 10 times the rated current value, a discharge container 2 is forced to include at least halide of sodium and scandium or halide of rare earth metal of sodium and the mass of the container 2 is set within a range from 0.002 to 0.1g/W per output W watt of the lamp 1. Furthermore, the container 2 including xenon gas of sealing pressure 3 bar as a sealed gas at least at a normal temperature is provided with means for transmitting visible light beam by either partially reflecting or absorbing invisible light beam. The shaft part of an electrode 4 is 0.3mm in its maximum diameter, and mutually opposing parts of the electrode 4 are roundish. 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CONSTITUTION: The starting current of a lamp 1 is controlled to be 5 to 10 times the rated current value, a discharge container 2 is forced to include at least halide of sodium and scandium or halide of rare earth metal of sodium and the mass of the container 2 is set within a range from 0.002 to 0.1g/W per output W watt of the lamp 1. Furthermore, the container 2 including xenon gas of sealing pressure 3 bar as a sealed gas at least at a normal temperature is provided with means for transmitting visible light beam by either partially reflecting or absorbing invisible light beam. The shaft part of an electrode 4 is 0.3mm in its maximum diameter, and mutually opposing parts of the electrode 4 are roundish. At least one factor out of 4 factors is combined, a period of time for reaching 90% of light flux is reduced from about 30 seconds to about 1 second so that the time for starting can be saved remarkably.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS |
| title | LOW POWER HIGH VOLTAGE DISCHARGE LAMP AND METHOD OF OPERATING THE LAMP |
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