Portable Storage Authorization Transfer for Television Receivers
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Solution Overview
Problem
Users are restricted to viewing purchased content only on their designated television receiver, preventing them from accessing authorized content at different locations, such as watching a pay-per-view event on a larger television at a friend's house.
Innovation Solution
A portable storage device securely stores authorization information for a television receiver, allowing it to be transferred to another receiver, enabling access to authorized content and features by reading and utilizing the stored data to authenticate and output the content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If content authorization is restricted to a specific television receiver, then content security and control are improved, but user flexibility and accessibility across multiple locations deteriorate
Solution Approach 1:
The authorization system is segmented into portable authorization information that can be separated from the home television receiver and transferred to other receivers. The authorization data is divided into transferable credentials that enable access at different locations while maintaining security through controlled distribution.
Solution Approach 2:
A portable storage device serves as an intermediary carrier that holds authorization information. This intermediary enables the transfer of authorization credentials between the home television receiver and external receivers, allowing users to access content at different locations without directly connecting to the authorization server.
2Adaptability or versatility
If authorization information is stored on a portable storage device, then accessibility at different locations is improved, but security risks and potential unauthorized access increase
Solution Approach 1:
Authorization information is pre-loaded onto the portable storage device at the home television receiver before transfer. This preliminary action ensures that only authorized credentials are copied, and the transfer process is controlled through authentication protocols that verify the legitimacy of the authorization data before it leaves the home receiver.
Solution Approach 2:
Instead of transferring the entire authorization system, only necessary authorization credentials are copied to the portable storage device. This selective copying minimizes security risks by limiting the scope of transferred information to only what is needed for content access, while the home receiver retains the master authorization data.
3Ease of operation
If a portable storage device is used to transfer authorization, then device complexity increases, but user convenience and ease of operation improve
Solution Approach 1:
The portable storage device is designed to be self-contained and automatically recognized by external television receivers. The device performs its own authentication and authorization transfer without requiring complex user configuration, making the system easy to operate despite the underlying complexity of the authorization protocols.
Data Source
AI summary
Described herein are techniques for transferring content authorization information between television receivers. Authorization information for content and features associated with a television receiver is securely stored on a portable storage device. The portable storage device may be moved and connected to a different television receiver in order to transfer the authorization information to the different television receiver. The other television receiver accesses information on the portable storage device and allows the user to access the content and features that are authorized on the home television receiver.