金融界2025年6月28日消息，国家知识产权局信息显示，哈曼国际工业有限公司申请一项名为“用于控制车辆系统启动的系统和方法”的专利，公开号CN120225965A，申请日期为2022年12月。
专利摘要显示，一种方法包括由微控制器响应于该微控制器接收到断电命令而将该微控制器的高速缓存数据存储到动态随机存取存储器(DRAM)中。该方法包括由DRAM控制器响应于该微控制器将该高速缓存数据存储到该DRAM中而以待机状态操作该DRAM。该方法包括由该DRAM控制器并且在该DRAM以该待机状态操作时确定与该DRAM相关联的时间特性、与该DRAM相关联的电荷特性或它们的组合。该方法包括由该DRAM控制器基于该时间特性、该电荷特性或它们的该组合来确定挂起到存储装置条件是否被满足。该方法包括由该DRAM控制器响应于该挂起到存储装置条件被满足而将该DRAM的该高速缓存数据存储到只读存储器(ROM)中。
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