CN103674492B - Automatic darkening welding filter lens diffused light reduction luminance factor measuring method - Google Patents
Automatic darkening welding filter lens diffused light reduction luminance factor measuring method Download PDFInfo
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- CN103674492B CN103674492B CN201310638494.1A CN201310638494A CN103674492B CN 103674492 B CN103674492 B CN 103674492B CN 201310638494 A CN201310638494 A CN 201310638494A CN 103674492 B CN103674492 B CN 103674492B
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CN201310638494.1A CN103674492B (en) | 2013-11-29 | 2013-11-29 | Automatic darkening welding filter lens diffused light reduction luminance factor measuring method |
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CN201310638494.1A CN103674492B (en) | 2013-11-29 | 2013-11-29 | Automatic darkening welding filter lens diffused light reduction luminance factor measuring method |
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CN103674492A CN103674492A (en) | 2014-03-26 |
CN103674492B true CN103674492B (en) | 2016-08-17 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105334025B (en) * | 2015-09-22 | 2017-12-08 | 天津大学 | A kind of automatic darkening welding filter lens diffused light reduction luminance factor measuring method |
CN105447181B (en) * | 2015-12-15 | 2020-06-09 | 中智城信息科技(苏州)有限公司 | Material simplified brightness coefficient data organization method for illumination design computing platform |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298600A (en) * | 1998-04-28 | 2001-06-06 | 迈克尔·约翰·豪厄尔 | Densitometry method |
EP1121913A1 (en) * | 2000-02-03 | 2001-08-08 | Edward L. Martin | Replaceable, self-contained expanded viewing light shield cartridge for welding helmet |
CN101206156A (en) * | 2007-11-30 | 2008-06-25 | 北京理工大学 | System for measuring responsive time of automatically light-changing goggles |
CN102349845A (en) * | 2011-09-05 | 2012-02-15 | 天马微电子股份有限公司 | Electric welding goggles |
CN102445325A (en) * | 2010-10-13 | 2012-05-09 | 上海市安全生产科学研究所 | Device and method for measuring shade number of automatic darkening welding filter |
CN102591078A (en) * | 2012-03-22 | 2012-07-18 | 信利半导体有限公司 | Liquid crystal light valve structure |
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2013
- 2013-11-29 CN CN201310638494.1A patent/CN103674492B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298600A (en) * | 1998-04-28 | 2001-06-06 | 迈克尔·约翰·豪厄尔 | Densitometry method |
EP1121913A1 (en) * | 2000-02-03 | 2001-08-08 | Edward L. Martin | Replaceable, self-contained expanded viewing light shield cartridge for welding helmet |
CN101206156A (en) * | 2007-11-30 | 2008-06-25 | 北京理工大学 | System for measuring responsive time of automatically light-changing goggles |
CN102445325A (en) * | 2010-10-13 | 2012-05-09 | 上海市安全生产科学研究所 | Device and method for measuring shade number of automatic darkening welding filter |
CN102349845A (en) * | 2011-09-05 | 2012-02-15 | 天马微电子股份有限公司 | Electric welding goggles |
CN102591078A (en) * | 2012-03-22 | 2012-07-18 | 信利半导体有限公司 | Liquid crystal light valve structure |
Non-Patent Citations (1)
Title |
---|
电焊护目诱导透射滤光片的研究;潘永强等;《激光与红外》;20060625;第35卷(第09期);第700-702页 * |
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Inventor after: Liu Qinggang Inventor after: Guo Dehua Inventor after: Fan Zhiguo Inventor after: Liu Shiyi Inventor after: Liu Chao Inventor after: Guo Ya Inventor after: Yu Xue Inventor before: Liu Qinggang Inventor before: Guo Dehua Inventor before: Fan Zhiguo Inventor before: Liu Shiyi Inventor before: Liu Chao Inventor before: Guo Ya Inventor before: Yu Xue |
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