CN102622955B - 点阵式vfd显示屏保护电路 - Google Patents
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- CN102622955B CN102622955B CN201210094402.3A CN201210094402A CN102622955B CN 102622955 B CN102622955 B CN 102622955B CN 201210094402 A CN201210094402 A CN 201210094402A CN 102622955 B CN102622955 B CN 102622955B
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CN201210094402.3A CN102622955B (zh) | 2012-04-01 | 2012-04-01 | 点阵式vfd显示屏保护电路 |
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CN201210094402.3A CN102622955B (zh) | 2012-04-01 | 2012-04-01 | 点阵式vfd显示屏保护电路 |
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CN102622955A CN102622955A (zh) | 2012-08-01 |
CN102622955B true CN102622955B (zh) | 2014-06-25 |
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CN201210094402.3A Active CN102622955B (zh) | 2012-04-01 | 2012-04-01 | 点阵式vfd显示屏保护电路 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5596471A (en) * | 1995-05-05 | 1997-01-21 | Advanced Micro Devices, Inc. | Adjustable undervoltage trip fault interrupt circuit |
CN200983242Y (zh) * | 2006-12-13 | 2007-11-28 | 上海三星真空电子器件有限公司 | 一种真空荧光显示器驱动电源电路 |
CN201359838Y (zh) * | 2009-01-22 | 2009-12-09 | 辉创电子科技(苏州)有限公司 | 一种vfd显示屏亮度自动调节装置 |
CN102263539A (zh) * | 2010-05-28 | 2011-11-30 | 洛克威尔自动控制技术股份有限公司 | 用于滤波电容器故障检测的可变频率驱动器和方法 |
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US7558031B2 (en) * | 2003-05-02 | 2009-07-07 | Abb Inc. | Intelligent automatic bypass for a motor control device |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5596471A (en) * | 1995-05-05 | 1997-01-21 | Advanced Micro Devices, Inc. | Adjustable undervoltage trip fault interrupt circuit |
CN200983242Y (zh) * | 2006-12-13 | 2007-11-28 | 上海三星真空电子器件有限公司 | 一种真空荧光显示器驱动电源电路 |
CN201359838Y (zh) * | 2009-01-22 | 2009-12-09 | 辉创电子科技(苏州)有限公司 | 一种vfd显示屏亮度自动调节装置 |
CN102263539A (zh) * | 2010-05-28 | 2011-11-30 | 洛克威尔自动控制技术股份有限公司 | 用于滤波电容器故障检测的可变频率驱动器和方法 |
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Owner name: WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY CO., LTD. G Free format text: FORMER OWNER: WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY CO., LTD. GUANGZHOU YANGCHENG PRECISION ELECTRONIC CO., LTD. Effective date: 20140905 |
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Effective date of registration: 20140905 Address after: 510800 Guangzhou street, Xinhua Street, Huadu District, Guangdong, China, No. 8, Jinghu Patentee after: Guoguang Electric Co., Ltd. Patentee after: Wuzhou Hengsheng Electronic Technology Co., Ltd. Patentee after: GUANGDONG MEIJIA AUDIO DEVELOPMENT CO., LTD. Address before: 510800 Guangzhou street, Xinhua Street, Huadu District, Guangdong, China, No. 8, Jinghu Patentee before: Guoguang Electric Co., Ltd. Patentee before: Wuzhou Hengsheng Electronic Technology Co., Ltd. Patentee before: Guangzhou Yangcheng Precision Electronics Co., Ltd. |