Broadcast Receiver Area Information Synchronization
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Solution Overview
Problem
Users of multiple terrestrial digital broadcast receiving devices face inconvenience when setting area information, as it needs to be manually input or selected for each device, and incorrect settings can occur, especially when devices are added or moved.
Innovation Solution
A broadcast receiving device with a request transmission unit to acquire area information from an external device, a response receiving unit to extract and store this information, and a presetting unit to automatically set channels using the extracted area information, allowing devices to share and synchronize area settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If area information is manually input or selected for each device, then the setting can be customized for each device, but the operation becomes complex and time-consuming, especially when multiple devices are involved
Solution Approach 1:
The patent applies the copying principle by allowing area information to be copied from one broadcast receiving device to another through network communication. When a device joins the network, it automatically obtains area information from existing devices, eliminating the need for manual re-entry and significantly reducing setup time while maintaining consistency across multiple devices.
Solution Approach 2:
The patent implements preliminary action by pre-storing area information in the broadcast receiving devices. When a device needs area information, it can immediately retrieve it from stored data or from other devices on the network without requiring real-time manual input, thus preparing the information in advance to avoid time loss during device setup.
2Reliability
If area information is manually input for each device, then each device can have accurate settings, but the complexity of device configuration increases
Solution Approach 1:
The patent uses the copying principle to transfer area information automatically between devices via network communication. This ensures that the same accurate area information is replicated across all devices without manual re-entry, maintaining reliability while significantly reducing configuration complexity. The automatic copying process eliminates human error in data entry.
Solution Approach 2:
The patent implements self-service by enabling broadcast receiving devices to automatically acquire and configure area information themselves through network communication with other devices. This eliminates the need for user intervention in the configuration process, reducing operational complexity while ensuring accurate settings are applied consistently across all devices.
3Adaptability or versatility
If area information is set on each device individually, then each device can be customized, but the operation becomes difficult when devices are added or moved
Solution Approach 1:
The patent applies preliminary action by pre-storing area information in the networked devices. When new devices are added or existing devices are relocated, they can immediately retrieve area information from the network without requiring manual reconfiguration. This prepares the system in advance to handle device changes automatically, maintaining adaptability while preserving ease of operation.
Solution Approach 2:
The patent implements self-service by enabling devices to automatically update their area information through network communication when added or relocated. The devices independently acquire the necessary configuration data from other devices on the network, providing adaptability to changing conditions without requiring user intervention, thus maintaining ease of operation.
4Reliability
If wrong area information is input manually, then incorrect settings occur on individual devices, but preventing errors requires more complex verification processes
Solution Approach 1:
The patent uses the copying principle to automatically replicate area information from one device to another through network communication. This eliminates manual data entry entirely, preventing errors caused by incorrect input. The automatic copying process ensures that the same verified information is distributed across all devices without requiring complex verification procedures.
Solution Approach 2:
The patent implements self-service by enabling devices to automatically acquire and verify area information through network communication with other devices. The system independently ensures data accuracy through automated exchange processes, achieving reliable settings without requiring users to perform complex verification tasks.
Data Source
AI summary
A broadcast receiving device capable of easily setting area information. A control unit of a DVR transmits an acquisition request for area information to a TV. When the control unit receives a response to the acquisition request from the TV, the control unit extracts area information from the received response and performs a channel presetting using the extracted area information. A control unit of the TV has area information stored therein. When the control unit receives an acquisition request for area information from the DVR, the control unit transmits, as a response to the request, the stored area information to the DVR.