CN204425033U - 一种事故照明自动切换*** - Google Patents
一种事故照明自动切换*** Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107394884A (zh) * | 2017-09-04 | 2017-11-24 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | 一种励磁***启励电源结构及控制方法 |
CN108448711A (zh) * | 2018-05-24 | 2018-08-24 | 华润新能源(连州)风能有限公司 | 一种照明切换装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107394884A (zh) * | 2017-09-04 | 2017-11-24 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | 一种励磁***启励电源结构及控制方法 |
CN107394884B (zh) * | 2017-09-04 | 2023-09-05 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | 一种励磁***启励电源结构及控制方法 |
CN108448711A (zh) * | 2018-05-24 | 2018-08-24 | 华润新能源(连州)风能有限公司 | 一种照明切换装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic switching system for emergency lighting Effective date of registration: 20181113 Granted publication date: 20150624 Pledgee: Beijing first financing Company limited by guarantee Pledgor: Electric light space mechanical & electronic equipment corporation, Ltd of Beijing state Registration number: 2018990001069 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211227 Granted publication date: 20150624 Pledgee: Beijing first financing Company limited by guarantee Pledgor: BEIJING GUODIAN GUANGYU ELECTROMECHANICAL EQUIPMENT CO.,LTD. Registration number: 2018990001069 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |