Mobile Terminal Battery Management for TV Broadcast Continuity
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Solution Overview
Problem
Mobile terminal devices that receive and display television broadcasts face issues with battery power depletion, leading to incomplete viewing experiences and inability to record content when batteries are insufficient, as they are forced to stop displaying broadcasts to conserve power, limiting user control over actions.
Innovation Solution
A mobile terminal device with a broadcast processing unit, power management, and control unit that allows users to choose actions such as recording, lowering display frame rates, or playing audio only, enabling continued viewing and recording of television broadcasts even when batteries are low by instructing external devices to handle these tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the mobile terminal device stops displaying the television broadcast to conserve battery power, then the battery remaining amount is preserved, but the television broadcast cannot be viewed to the end
Solution Approach 1:
The patent introduces an external recording device as an intermediary to handle the recording task. When battery power becomes insufficient, the mobile terminal device transfers the recording function to the external device, allowing the broadcast to continue being recorded without consuming the mobile device's battery power for this function.
Solution Approach 2:
The patent segments the functionality by separating display and recording tasks. The mobile terminal device can continue displaying the broadcast while the recording task is handled by an external device, or the display function is reduced to audio-only mode while recording continues externally.
2Reliability
If the mobile terminal device records video and audio on its internal memory card when battery is low, then the broadcast can be saved, but the device becomes incapable of recording when battery becomes still further insufficient
Solution Approach 1:
The external recording device serves as a mediator that can record broadcast content without requiring the mobile terminal device to maintain sufficient battery power. This external device handles the energy-intensive recording task independently.
Solution Approach 2:
The recording function is extracted from the mobile terminal device and placed in an external recording device. This separation allows the mobile device to conserve battery power for essential functions while the external device handles the power-intensive recording operation.
3Use of energy by moving object
If the mobile terminal device forcibly stops displaying the television broadcast to secure battery amount for telephone functions, then battery power is secured for essential functions, but the display of the television broadcast is stopped in the middle of the television program
Solution Approach 1:
The patent implements a feedback mechanism where the control unit continuously monitors battery power levels and user preferences. Based on this feedback, the system dynamically adjusts the display and recording behavior, allowing users to maintain broadcast viewing even when battery is low, rather than forcibly stopping.
Solution Approach 2:
The system transitions from static, predetermined actions to dynamic, user-controlled actions. The mobile terminal device can adaptively adjust display parameters and recording operations based on real-time battery status and user preferences, allowing flexible continuation of broadcast viewing.
4Extent of automation
If the mobile terminal device uses predetermined actions for low battery scenarios, then the system responds automatically, but it is impossible to reflect user's intention
Solution Approach 1:
The control unit incorporates a feedback mechanism that monitors both battery status and user preferences. The system provides notifications to users about low battery conditions and records user responses, then adjusts operations accordingly. This closed-loop feedback enables the system to reflect user intentions while maintaining automated response capabilities.
Data Source
AI summary
To provide a mobile terminal device which enables a user to view the television broadcast while the television broadcast is being displayed or the television broadcast is start to be displayed even in the case where the remaining amount of battery is small, and which can perform an action which reflects the user's intention. The mobile terminal device (100) includes: a television broadcast receiving unit (101) which receives a television broadcast signal; a television broadcast processing unit (102) which decodes the stream of the received television broadcast signal; a display conversion unit (103) which converts the decoded YUV signal into an RGB signal on a frame-by-frame basis; a control unit (109) which controls actions of the mobile terminal device in the case where the remaining amount of a battery (112) falls to a predetermined amount or below while the video and audio of the television broadcast is being outputted or in the case where the remaining amount of the battery (112) is the predetermined amount or below at the time when the video and audio of the television broadcast are required to be outputted; and an electric power supply management unit (111) which detects remaining amounts of the battery (112) and notifies the control unit (109) of the remaining amounts of battery for every predetermined time points.