Digital Device System EPG Video Reservation Loop Prevention
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Solution Overview
Problem
Users encounter a loop when attempting to make video reservations without setting a video controller, as they are required to complete settings from the menu, leading to confusion and inability to exit the loop.
Innovation Solution
A digital device system that determines the link control setting flag when a program is selected from the EPG, prompting the user for the use or nonuse of a linking device and setting the flag to 'already set' upon nonuse selection, allowing for seamless program reservation processing without re-entering the loop.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system requires video controller setting to be completed before allowing program reservation, then the reliability of the linking function is improved, but the ease of operation deteriorates as users cannot exit the loop without manual menu configuration
Solution Approach 1:
The patent inverts the conventional approach by allowing program reservation to proceed even when video controller settings are incomplete. Instead of blocking reservation until settings are complete, the system permits reservation and then handles the linking function separately, enabling users to exit the loop and complete settings later without being stuck in a configuration deadlock.
2Manufacturing precision
If the system displays a selection screen prompting for linking device configuration, then the completeness of setup is improved, but the productivity deteriorates due to repeated loop entries and inability to proceed with reservations
Solution Approach 1:
The patent segments the program reservation function from the video controller configuration function. By separating these operations, the system allows program reservation to be performed independently of linking device configuration status, enabling users to reserve programs immediately while configuring linking settings at their convenience, thus eliminating the productivity bottleneck.
3Device complexity
If the system requires completion of menu settings before allowing video reservation, then the device complexity is reduced through standardized configuration flow, but the ease of operation worsens as users must navigate through menu procedures to exit the loop
Solution Approach 1:
The patent implements preliminary action by allowing program reservation to be executed before video controller settings are completed. The system prepares the reservation state in advance and defers the linking configuration to a subsequent step, enabling users to proceed with reservations immediately without being blocked by incomplete configuration procedures.
Data Source
AI summary
When one program is selected from an EPG display screen, a flow goes to a screen prompting for selection of a program reservation method. When recording reservation is selected, the flow goes to a menu screen for selecting a recording reservation method. When video reservation is selected it is determined whether a video-linked recording setting completion flag is not yet set. If not yet set (YES), and when a video controller is not to be used, “the video controller is not to be used” is set for video-linked recording setting. Next, the video-linked recording setting completion flag is set to “already set”, and thereby, reservation registration can be continued. When reservation of a program selected from an EPG is selected, the program is video-reserved, and the flow returns to the EPG screen.