Invention Grant
US09069972B2 Secure digital card, and secure digital card system and operating method
有权
安全数字卡，安全数字卡系统及操作方法
- Patent Title: Secure digital card, and secure digital card system and operating method
- Patent Title (中): 安全数字卡，安全数字卡系统及操作方法
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Application No.: US13676841Application Date: 2012-11-14
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Publication No.: US09069972B2Publication Date: 2015-06-30
- Inventor: Hsiao-Yen Chen , Cheng-Wei Liu , Hsu-Ping Ou
- Applicant: Silicon Motion, Inc.
- Applicant Address: TW Jhubei
- Assignee: Silicon Motion, Inc.
- Current Assignee: Silicon Motion, Inc.
- Current Assignee Address: TW Jhubei
- Agency: Wang Law Firm, Inc.
- Agent Li K. Wang; Stephen Hsu
- Priority: TW101112747A 20120411
- Main IPC: G06F17/30
- IPC: G06F17/30 ; G06F21/60 ; G06F21/10
Abstract:
A Secure Digital (SD) card, and an system and an operating method for the SD card are disclosed. The disclosed SD card has a Flash memory and a controller. The Flash memory contains a data storage space and a Content Protection Recorded Media (CPRM) support space. The controller executes a firmware of the SD card, such that read/write commands provided from a host for the CPRM support space are regarded and executed as security commands and a CPRM mechanism is operated over the data storage space.
Public/Granted literature
- US20130276130A1 Secure Digital Card, and Secure Digital Card Operating System and Operating Method Public/Granted day:2013-10-17
Information query
