Printer Connection Management via Dynamic Authentication
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Solution Overview
Problem
Existing printer technologies face limitations in managing simultaneous connections with terminal devices, leading to unintentional disconnections and failures in establishing communication connections, particularly when the number of devices exceeds the allowed limit or when devices connect without proper setting information.
Innovation Solution
A printer system that includes a memory for storing connection settings and a control section to manage connections based on received setting information from established devices, disconnecting mistakenly connected devices and updating settings to prevent unintended connections, while ensuring that intended devices can establish reliable connections without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the printer allows multiple terminal devices to connect simultaneously, then the connectivity and accessibility are improved, but the risk of unintentional connections and connection failures increases
Solution Approach 1:
The printer monitors connection requests and communicates with terminal devices to verify authentication information. The system receives authentication information from terminal devices, verifies it against stored connection settings, and provides feedback by establishing or rejecting connections based on verification results, thereby preventing unintentional connections while maintaining reliable connectivity for authorized devices
Solution Approach 2:
The system changes the authentication information (such as PIN codes or connection parameters) stored in memory after successful connections. By dynamically updating these parameters, the printer ensures that each connection is authenticated with current credentials, preventing unauthorized access while allowing legitimate devices to connect reliably
2Reliability
If the printer limits the number of simultaneous connections, then connection reliability is improved, but the ease of operation and user convenience deteriorate
Solution Approach 1:
The terminal devices automatically transmit authentication information to the printer without requiring manual user intervention. The printer autonomously verifies the received authentication information against its stored settings and establishes connections automatically, eliminating the need for users to manually manage connection limits or perform complex pairing procedures
3Reliability
If the printer verifies authentication information from terminal devices, then connection security is improved, but the device complexity and processing time increase
Solution Approach 1:
The authentication information is pre-stored in the printer's memory before connection attempts occur. When terminal devices connect, the printer simply compares the received authentication information against these pre-stored values, eliminating the need for complex real-time verification algorithms or additional security hardware
Data Source
AI summary
A printer includes a printer-side memory that stores first connection setting information for establishing a communication connection with one or a plurality of terminal devices, and in accordance with second connection setting information for establishing a communication connection with an access point received from the terminal device with which a communication connection has been established, a printer-side processor that establishes a communication connection with the access point, wherein when the printer-side processor determines the terminal device having a communication connection to be the terminal device connected by mistake, disconnects the communication connection with the terminal device, and changes the first connection setting information stored in the printer-side memory.