Recording Protection via Unique Password Segmentation
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Solution Overview
Problem
Current methods for protecting recorded content on customer premise equipment (CPE) devices do not effectively prevent unauthorized access or deletion, as common passwords are not sufficient to restrict playback or deletion by other users, and automatic deletion mechanisms can inadvertently delete important recordings.
Innovation Solution
Implementing a system where unique passwords are associated with individual recordings, requiring user input of the correct password for playback or deletion, and allowing users to configure password protection for specific portions of content, thereby preventing unauthorized access and ensuring recordings are not deleted by automatic mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a common password is used to protect all stored recordings, then playback and deletion are restricted, but any user knowing the common password can still access or delete any content
Solution Approach 1:
The patent segments the common password protection into individual recording-specific passwords. Each recording is assigned a unique password, allowing granular control over access and deletion permissions. This segmentation resolves the contradiction by maintaining protection reliability while enabling precise access control - only authorized users with the specific password for that recording can access or delete it.
Solution Approach 2:
The patent applies local quality by making password protection specific to each recording rather than uniform across all content. Different recordings can have different password protection levels, enabling users to protect only sensitive recordings while leaving others accessible. This resolves the contradiction by providing strong protection where needed while maintaining ease of access for unprotected content.
2Productivity
If automatic deletion mechanism is used to free disk space, then disk space is managed, but important recordings may be inadvertently deleted
Solution Approach 1:
The patent applies preliminary action by assigning passwords to recordings before automatic deletion occurs. The password protection is established in advance, creating a barrier that prevents the automatic deletion mechanism from deleting protected recordings. This resolves the contradiction by ensuring important recordings are protected beforehand while still allowing the deletion mechanism to function for unprotected content.
Solution Approach 2:
The patent implements preliminary anti-action by using password protection to counteract the automatic deletion mechanism. The password requirement acts as a preemptive measure that blocks deletion attempts by the automatic mechanism. This resolves the contradiction by providing active protection against unwanted deletion while maintaining the productivity benefits of automatic space management.
3Ease of operation
If unique passwords are assigned to individual recordings, then access control is improved, but system complexity increases
Solution Approach 1:
The patent applies universality by implementing a single password management system that handles multiple functions: creating passwords, storing them associatively with recordings, verifying passwords during access, and preventing deletion. This universal system resolves the contradiction by providing sophisticated access control through one integrated mechanism rather than multiple separate systems, reducing overall complexity.
Data Source
AI summary
Methods, systems, and computer readable media can be operable to facilitate a unique protection of recorded content. A central device may be configured to establish and maintain associations between unique passwords and one or more individual recordings. A user may provide a unique password to be associated with one or more individual recordings. When a recording is associated with a unique password, the central device may require entry of the unique password before carrying out an action such as playback or deletion of the recording.