Invention Grant
US08331765B2 Method and apparatus for protecting against copying contents by using WiHD device
有权
使用WiHD设备防止复制内容的方法和装置
- Patent Title: Method and apparatus for protecting against copying contents by using WiHD device
- Patent Title (中): 使用WiHD设备防止复制内容的方法和装置
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Application No.: US12713540Application Date: 2010-02-26
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Publication No.: US08331765B2Publication Date: 2012-12-11
- Inventor: Chang-yeul Kwon , Yang-Iim Choi , Il-ju Na , Jae-min Lee , Guoping Fan , Soo-young Kim , Young-jae Kim
- Applicant: Chang-yeul Kwon , Yang-Iim Choi , Il-ju Na , Jae-min Lee , Guoping Fan , Soo-young Kim , Young-jae Kim
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2009-0095668 20091008
- Main IPC: H04N9/80
- IPC: H04N9/80
Abstract:
A method and apparatus for protecting against copying high definition (HD) contents transmitted in a wireless HD (WiHD) network by using a WiHD source or sink device, the method including: determining a type of copy protection of contents transmitted in the WiHD network; calculating accumulatively a number of media access control (MAC) sub-packets as a input counter information, wherein the MAC sub packets constitute a MAC payload including the contents; packetizing the type of copy protection and the input counter information into a MAC packet; and transmitting the MAC packet to a WiHD sink device.
Public/Granted literature
- US20100220977A1 METHOD AND APPARATUS FOR PROTECTING AGAINST COPYING CONTENTS BY USING WiHD DEVICE Public/Granted day:2010-09-02
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