Television Front Terminal Video Output Control
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Solution Overview
Problem
Conventional video recording systems lack a connection interface that prevents unintentional recording in external video apparatuses connected to the front terminal and facilitates controlled video data output for recording, leading to inconvenience when external devices like portable video cameras or external hard disk drives are used.
Innovation Solution
A television with a transmitting and receiving unit and a control unit that inhibits video data output from the front terminal unless explicitly instructed, allowing for controlled recording only when intended by the user, using a connection terminal on the side of the television for external apparatus connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If video data output is enabled at the front terminal for easy connection, then ease of operation is improved, but unintentional recording occurs causing data loss
Solution Approach 1:
The control unit applies preliminary anti-action by automatically inhibiting video data output to external apparatuses connected to the front terminal. This preventive measure blocks unintentional recording before it can occur, while still allowing the terminal to be physically connected for intended uses such as viewing external content on the television screen.
2Object-affected harmful factors
If video data output is inhibited at the front terminal to prevent unintentional recording, then data loss is prevented, but legitimate recording functionality is restricted
Solution Approach 1:
The system applies local quality by differentiating the function of the front terminal from rear terminals. The front terminal is configured with inhibited video output for viewing purposes, while rear terminals maintain full recording functionality. This localized functional differentiation allows each terminal type to serve its intended purpose without interfering with others.
Solution Approach 2:
The control unit acts as an intermediary that manages video data output based on terminal type. It selectively enables or disables video output to external apparatuses depending on whether they are connected to the front terminal or rear terminals, thereby mediating between the need to prevent unintentional recording and the need to preserve legitimate recording functionality.
3Ease of operation
If a simple connection interface is provided for external apparatuses, then ease of operation is improved, but unintentional overwriting of video data occurs
Solution Approach 1:
The control unit implements preliminary anti-action by pre-establishing an inhibition mechanism that prevents video data from being output to front terminal connections. This ensures data integrity is maintained from the outset, while the terminal remains accessible for legitimate viewing purposes, thus preserving both connection simplicity and video data integrity.
Data Source
AI summary
A television includes a transmitting and receiving unit that transmits and receives video data to/from an external apparatus connected to the television, a connection terminal, which is connected to the transmitting and receiving unit, and located on a side of the television, and a control unit configured to inhibit the transmitting and receiving unit from outputting video data from the connection terminal unless an instruction removing the inhibit is received.