Selective Plug and Play Control for USB Device Processing Load
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Solution Overview
Problem
The processing load of external apparatuses, such as personal computers, increases when connecting multiple USB devices due to the execution of plug and play functions for all devices, regardless of their types, leading to inefficiencies in resource management.
Innovation Solution
An electronic apparatus with a communication unit and a control unit that selectively executes plug and play functions based on device types, transmitting specific connection information to the external apparatus only when a specific type of device is connected, thereby reducing the processing load by minimizing unnecessary plug and play operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the terminal device executes plug and play function for all connected USB devices, then all devices can be recognized and used, but the processing load of the terminal device increases
Solution Approach 1:
The patent applies local quality by differentiating the treatment of USB devices based on their types. The control unit identifies specific device types (such as storage devices) and selectively executes plug and play only for those types, while excluding other types. This localized approach to plug and play execution reduces the overall processing load on the terminal device while maintaining recognition capability for devices that require it.
2Reliability
If plug and play is executed for all USB devices, then comprehensive device functionality is achieved, but resource management efficiency decreases
Solution Approach 1:
The patent implements partial action by executing plug and play only for specific types of USB devices rather than all connected devices. The control unit determines whether to execute plug and play based on device type identification, applying the function partially to only those devices where it is necessary. This approach maintains sufficient device functionality for supported devices while improving resource management efficiency by avoiding unnecessary plug and play operations for other device types.
Data Source
AI summary
An electronic apparatus connectable with an external apparatus includes: a communication unit which communicates with the external apparatus; an interface where a plurality of devices can be connected; and a control unit which controls plug and play for a device connected to the interface. The control unit does not cause the external apparatus to execute plug and play accompanying the connection between the electronic apparatus and the external apparatus when a first device is connected to the interface, the first device is not a specific type. The control unit causes the external apparatus to execute plug and play accompanying the connection between the electronic apparatus and the external apparatus when a second device is connected to the interface, the second device is the specific type.