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東土科技(300353.SZ)獲得3項發明專利
格隆匯 12-11 21:27

格隆匯12月11日丨東土科技(300353.SZ)公佈,公司於近日獲得中國國家知識產權局專利證書3項。

1、發明名稱:基於POE系統的PSE供電方法及裝置

該發明公開了一種基於POE系統的PSE供電方法及裝置,該方法包括:當PSE檢測到PD連接時,獲取所述PD接入端口的功率限制值;PSE通過向所述PD輸出探測電壓檢測所述PD所需最大功率值;當所述PD接入端口的功率限制值不小於所述PD所需最大功率值時,檢測電源剩餘量是否不小於所述PD供電所需最大功率值;當檢測結果為否時,按優先級由低到高的順序切斷當前供電端口的供電,直至電源剩餘量不小於所述PD供電所需最大功率值,進而對所述PD進行供電。通過檢測該PD接入端口的功率限制值是否不小於該PD所需最大功率值,進一步檢測電源剩餘量是否滿足該PD供電,然後按優先級由低到高的順序切斷當前供電端口的供電,保證PSE供電的穩定性和可靠性。

2、發明名稱:一種時鐘同步方法及系統

該發明所屬技術領域為網絡安全-串口通信。本發明實施例公開了一種時鐘同步方法及系統,包括:控制器獲得SDN中的交換機發送的時鐘信息,根據時鐘信息確定主時鐘;生成同步報文,通知主時鐘對應的主交換機向第一交換機發送同步報文;主交換機向第一交換機發送同步報文;第一交換機將同步報文和接收時間發送至控制器;控制器解析同步報文得到發送時間,獲得第一交換機與主交換機之間的鏈路延時,根據發送時間、接收時間和鏈路延時計算相位偏差,並根據發送時間和接收時間計算頻率偏差;向第一交換機發送相位偏差和頻率偏差,通知第一交換機向SDN中其他第一交換機中的一個轉發同步報文;第一交換機接收到相位偏差和頻率偏差,進行時鐘同步,並轉發同步報文。通過本發明可以實現同步SDN時鐘。

3、發明名稱:嵌入式操作系統的啟動方法及裝置

該發明公開了一種嵌入式操作系統的啟動方法及裝置,該方法包括:在嵌入式操作系統啟動時,檢測存儲區域中的環境變量的值;若環境變量的值非0,則確定嵌入式操作系統的啟動代碼有邏輯錯誤;採用第三版本文件修復第二版本文件,採用修復完成後的第二版本文件修復第一版本文件;在第一版本文件修復完成時,清除環境變量的非0值,重新啟動嵌入式操作系統。通過預先在存儲區域中設置環境變量,並根據環境變量判斷嵌入式操作系統的啟動代碼是否有邏輯錯誤,在該啟動代碼存在邏輯錯誤時,通過已備份的預先存儲在存儲區域中的其他版本的文件修復第一版本文件,利用修復完成後的第一版本文件啟動嵌入式操作系統,保障了嵌入式操作系統安全啟動。

截至公告日,公司及下屬子公司合計擁有專利372項(包括44項海外授權專利,15項國防專利),其中發明專利246項,實用新型專利41項,外觀設計專利85項;擁有軟件著作權472項。

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