Email Data Processing Device for Near-Field Wireless Synchronization
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Solution Overview
Problem
Existing electronic mail data processing systems face issues with user operability and processing load due to instantaneous disconnections in near-field wireless communications between cellular phone devices and vehicular devices, leading to inefficient data transfer and update processes.
Innovation Solution
An electronic mail data processing device with a communication unit, retrieval unit, storage unit, and control unit that connects an email data transfer protocol to transfer and update email data items, while avoiding unnecessary processing by comparing subject numbers and data content before and after connection to determine if updates are needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If e-mail data transfer processing is implemented each time the e-mail data transfer protocol is connected, then the e-mail data is kept up-to-date, but user operability deteriorates because the user cannot read e-mail data during transfer and update periods
Solution Approach 1:
The control unit performs preliminary actions by retrieving the total subject number and latest data content from the external device immediately upon connection, before deciding whether to execute full data transfer. This preliminary check enables the system to determine in advance whether update processing is necessary, thereby avoiding unnecessary full transfers and allowing users to access e-mail data more quickly.
Solution Approach 2:
The system implements self-service by automatically comparing the retrieved subject number and latest data content with locally stored information to determine whether update processing is needed. This self-determination mechanism eliminates the need for users to manually trigger transfers and reduces unnecessary processing, improving both synchronization reliability and user operability.
2Reliability
If e-mail data transfer processing is implemented in response to instantaneous disconnection, then data synchronization is maintained, but processing load increases unnecessarily
Solution Approach 1:
Instead of performing complete e-mail data transfer and update processing every time the protocol is re-connected after instantaneous disconnection, the control unit performs only partial action by retrieving and comparing subject numbers and latest data content. This partial check determines whether full update processing is necessary, thereby reducing processing load while maintaining data synchronization reliability.
Solution Approach 2:
The control unit implements a feedback mechanism by comparing the retrieved total subject number and latest data content from the external device with the locally stored information. Based on this feedback comparison, the system intelligently determines whether update processing is needed, avoiding unnecessary full transfers and reducing processing load while maintaining synchronization.
Data Source
AI summary
A communication unit connects an e-mail data transfer protocol to transfer e-mail data items with an external device. An e-mail data storage unit stores the e-mail data items transferred from the external device. The control unit does not cause the external device to transfer the e-mail data items when the e-mail data transfer protocol is connected and when a total number of subjects of the e-mail data items and a data content of a latest e-mail data item stored in the external device respectively coincide with a total number of subjects of the e-mail data items and a data content of a latest e-mail data item stored in the e-mail data storage unit, at the time point when the e-mail data transfer protocol is connected between the communication unit and the external device.