Invention Grant
US08479227B2 System and method for ensuring secure communication between TV and set back box
失效
确保电视机和回送盒之间安全通信的系统和方法
- Patent Title: System and method for ensuring secure communication between TV and set back box
- Patent Title (中): 确保电视机和回送盒之间安全通信的系统和方法
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Application No.: US12850167Application Date: 2010-08-04
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Publication No.: US08479227B2Publication Date: 2013-07-02
- Inventor: Ludovic Douillet
- Applicant: Ludovic Douillet
- Applicant Address: JP Tokyo US NJ Park Ridge
- Assignee: Sony Corporation,Sony Electronics Inc.
- Current Assignee: Sony Corporation,Sony Electronics Inc.
- Current Assignee Address: JP Tokyo US NJ Park Ridge
- Agent John L. Rogitz
- Main IPC: H04N7/167
- IPC: H04N7/167 ; H04N7/16
Abstract:
A random number or HDCP key is sent from a TV to a set back box (SBB) over a HDMI channel, and unless the SBB returns the same random number/key to the TV over a USB link, the TV will not communicate further with the SBB.
Public/Granted literature
- US20100299698A1 SYSTEM AND METHOD FOR ENSURING SECURE COMMUNICATION BETWEEN TV AND SET BACK BOX Public/Granted day:2010-11-25
Information query
