STEP-UP/DOWN TYPE POWER CONTROL CIRCUIT AND DISCHARGE LAMP LIGHTING DEVICE
PROBLEM TO BE SOLVED: To provide a step-up/down type power control circuit adaptable to wide power voltage, highly efficient, and miniaturizable and inexpensive with a smaller number of components, and to provide a discharge lamp lighting device. SOLUTION: The step-up/down type power control circuit...
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| creator | UTSUNOMIYA KOJI |
| description | PROBLEM TO BE SOLVED: To provide a step-up/down type power control circuit adaptable to wide power voltage, highly efficient, and miniaturizable and inexpensive with a smaller number of components, and to provide a discharge lamp lighting device. SOLUTION: The step-up/down type power control circuit comprises a first coil L1, a first switching element Q11, and a second switching element Q12 connected in series to one another in a range from the positive electrode toward the negative electrode of a DC power supply, a third switching element Q13 and a second coil L12 connected in series to each other in a range from between the first switching element and the second switching element toward an output end, a capacitor C1 connected between the downstream side of the second coil and the negative electrode, a pulse width modulator circuit U10, and a gate controller GC for controlling the first to third switching elements to be opened/closed depending on pulse waves output by the pulse width modulator circuit. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The step-up/down type power control circuit comprises a first coil L1, a first switching element Q11, and a second switching element Q12 connected in series to one another in a range from the positive electrode toward the negative electrode of a DC power supply, a third switching element Q13 and a second coil L12 connected in series to each other in a range from between the first switching element and the second switching element toward an output end, a capacitor C1 connected between the downstream side of the second coil and the negative electrode, a pulse width modulator circuit U10, and a gate controller GC for controlling the first to third switching elements to be opened/closed depending on pulse waves output by the pulse width modulator circuit. 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SOLUTION: The step-up/down type power control circuit comprises a first coil L1, a first switching element Q11, and a second switching element Q12 connected in series to one another in a range from the positive electrode toward the negative electrode of a DC power supply, a third switching element Q13 and a second coil L12 connected in series to each other in a range from between the first switching element and the second switching element toward an output end, a capacitor C1 connected between the downstream side of the second coil and the negative electrode, a pulse width modulator circuit U10, and a gate controller GC for controlling the first to third switching elements to be opened/closed depending on pulse waves output by the pulse width modulator circuit. COPYRIGHT: (C)2009,JPO&INPIT</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAKDnEN0A0N0HfxD_dTCIkMcFUI8A93DVJw9vcLCfL3UXD2DHIO9QxRcPRzUXDxDHb2cAxyd1XwcfQNUPDxdPcI8fRzV3BxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGBpaGJmYWRhaOxkQpAgC9Zy3a</recordid><startdate>20090702</startdate><enddate>20090702</enddate><creator>UTSUNOMIYA KOJI</creator><scope>EVB</scope></search><sort><creationdate>20090702</creationdate><title>STEP-UP/DOWN TYPE POWER CONTROL CIRCUIT AND DISCHARGE LAMP LIGHTING DEVICE</title><author>UTSUNOMIYA KOJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2009146828A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>UTSUNOMIYA KOJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>UTSUNOMIYA KOJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEP-UP/DOWN TYPE POWER CONTROL CIRCUIT AND DISCHARGE LAMP LIGHTING DEVICE</title><date>2009-07-02</date><risdate>2009</risdate><abstract>PROBLEM TO BE SOLVED: To provide a step-up/down type power control circuit adaptable to wide power voltage, highly efficient, and miniaturizable and inexpensive with a smaller number of components, and to provide a discharge lamp lighting device. SOLUTION: The step-up/down type power control circuit comprises a first coil L1, a first switching element Q11, and a second switching element Q12 connected in series to one another in a range from the positive electrode toward the negative electrode of a DC power supply, a third switching element Q13 and a second coil L12 connected in series to each other in a range from between the first switching element and the second switching element toward an output end, a capacitor C1 connected between the downstream side of the second coil and the negative electrode, a pulse width modulator circuit U10, and a gate controller GC for controlling the first to third switching elements to be opened/closed depending on pulse waves output by the pulse width modulator circuit. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION |
| title | STEP-UP/DOWN TYPE POWER CONTROL CIRCUIT AND DISCHARGE LAMP LIGHTING DEVICE |
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