LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE WITH THE SAME
PROBLEM TO BE SOLVED: To provide a light source device capable of reducing the amount of electromagnetic wave leaked from a light source device to the outside is more surely reduced to be equal to or less than a predetermined regulated value while securing the availability of light rays, and to prov...
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| creator | SETO KOHEI MURAMATSU AKIHIRO |
| description | PROBLEM TO BE SOLVED: To provide a light source device capable of reducing the amount of electromagnetic wave leaked from a light source device to the outside is more surely reduced to be equal to or less than a predetermined regulated value while securing the availability of light rays, and to provide a projection type display device with the light source device. SOLUTION: The light source device 1 is equipped with an electrodeless discharge lamp 2 performing discharge and light emission by application of a high frequency current, and various optical parts (lens arrays 21 and 22, a PS converter 8, a condenser lens 9, a mirror 61 or the like and a lens 63a or the like) guiding light to an optical modulation element such as liquid crystal light valves 63b, 65b and 71b are covered with a conductive case part 11. The case part 11 has a first aperture 11a on which light is made incident and a second aperture 11b which emits the light. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The light source device 1 is equipped with an electrodeless discharge lamp 2 performing discharge and light emission by application of a high frequency current, and various optical parts (lens arrays 21 and 22, a PS converter 8, a condenser lens 9, a mirror 61 or the like and a lens 63a or the like) guiding light to an optical modulation element such as liquid crystal light valves 63b, 65b and 71b are covered with a conductive case part 11. The case part 11 has a first aperture 11a on which light is made incident and a second aperture 11b which emits the light. 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SOLUTION: The light source device 1 is equipped with an electrodeless discharge lamp 2 performing discharge and light emission by application of a high frequency current, and various optical parts (lens arrays 21 and 22, a PS converter 8, a condenser lens 9, a mirror 61 or the like and a lens 63a or the like) guiding light to an optical modulation element such as liquid crystal light valves 63b, 65b and 71b are covered with a conductive case part 11. The case part 11 has a first aperture 11a on which light is made incident and a second aperture 11b which emits the light. COPYRIGHT: (C)2009,JPO&INPIT</description><subject>ACCESSORIES THEREFOR</subject><subject>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</subject><subject>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BLASTING</subject><subject>CINEMATOGRAPHY</subject><subject>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</subject><subject>ELECTRICITY</subject><subject>ELECTROGRAPHY</subject><subject>HEATING</subject><subject>HOLOGRAPHY</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-PORTABLE LIGHTING DEVICES</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>SYSTEMS THEREOF</subject><subject>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDx8XT3CFEI9g8NcnZVcHEN8wRSjn4uCgFB_l6uziGe_n4KIZEBQCnP4AAfx0iYknDPEA-FEA9XhWBHX1ceBta0xJziVF4ozc2g5OYa4uyhm1qQH59aXJCYnJqXWhLvFWBkYGBhZG5qZmnuaEyUIgCVKSwP</recordid><startdate>20081113</startdate><enddate>20081113</enddate><creator>SETO KOHEI</creator><creator>MURAMATSU AKIHIRO</creator><scope>EVB</scope></search><sort><creationdate>20081113</creationdate><title>LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE WITH THE SAME</title><author>SETO KOHEI ; MURAMATSU AKIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2008275697A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>ACCESSORIES THEREFOR</topic><topic>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</topic><topic>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BLASTING</topic><topic>CINEMATOGRAPHY</topic><topic>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</topic><topic>ELECTRICITY</topic><topic>ELECTROGRAPHY</topic><topic>HEATING</topic><topic>HOLOGRAPHY</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-PORTABLE LIGHTING DEVICES</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>SYSTEMS THEREOF</topic><topic>VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SETO KOHEI</creatorcontrib><creatorcontrib>MURAMATSU AKIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SETO KOHEI</au><au>MURAMATSU AKIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE WITH THE SAME</title><date>2008-11-13</date><risdate>2008</risdate><abstract>PROBLEM TO BE SOLVED: To provide a light source device capable of reducing the amount of electromagnetic wave leaked from a light source device to the outside is more surely reduced to be equal to or less than a predetermined regulated value while securing the availability of light rays, and to provide a projection type display device with the light source device. SOLUTION: The light source device 1 is equipped with an electrodeless discharge lamp 2 performing discharge and light emission by application of a high frequency current, and various optical parts (lens arrays 21 and 22, a PS converter 8, a condenser lens 9, a mirror 61 or the like and a lens 63a or the like) guiding light to an optical modulation element such as liquid crystal light valves 63b, 65b and 71b are covered with a conductive case part 11. The case part 11 has a first aperture 11a on which light is made incident and a second aperture 11b which emits the light. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BASIC ELECTRIC ELEMENTS BLASTING CINEMATOGRAPHY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY ELECTROGRAPHY HEATING HOLOGRAPHY INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES PHOTOGRAPHY PHYSICS SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS |
| title | LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE WITH THE SAME |
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