Mobile Device Authentication via Encrypted Code Image
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Solution Overview
Problem
Existing methods for controlling display apparatuses in public or remote locations are cumbersome, requiring direct connection of control devices like keyboards or mice, and are difficult to manage, especially when troubleshooting, as they require authentication and registration with a server computer, making remote control and intuitive management challenging.
Innovation Solution
A method and system that uses a mobile device to authenticate by generating and displaying an encrypted code image on a display apparatus, allowing the mobile device to control the display apparatus remotely, where the mobile device photographs the code image, encrypts and transmits information, and an external server decrypts and authenticates the mobile device, authorizing it to control the display apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a control device such as a keyboard or a mouse is directly connected to the display apparatus, then the display apparatus can be controlled, but it is difficult to connect the control device and manage connected cables
Solution Approach 1:
The patent replaces the mechanical connection system (physical cables connecting keyboard/mouse to display apparatus) with a wireless communication system. The mobile device communicates with the display apparatus through wireless signals, eliminating the need for physical cable connections and the associated management complexity.
2Ease of operation
If a server computer is used to control the display apparatus, then remote control is enabled, but it is difficult to intuitively know which display apparatus should be controlled and difficult to troubleshoot on the spot
Solution Approach 1:
The patent uses the mobile device as an intermediary between the user and the display apparatus. The mobile device captures the code image displayed on the target display apparatus, extracts authentication information, and establishes a direct communication channel. This intermediary approach maintains remote control capability while enabling the user to visually identify the target device through the displayed code image and troubleshoot by observing the authentication process directly.
3Reliability
If the display apparatus is authenticated and registered in the server computer, then security is improved, but the authentication process becomes complex and requires going back to the display apparatus location to check job completion
Solution Approach 1:
The patent uses a code image displayed on the display apparatus as a visual copy or representation of the authentication information. Instead of requiring complex server registration and authentication procedures, the system generates a visual code image that contains encoded authentication data. The mobile device captures this image and uses the embedded information for authentication, simplifying the process while maintaining security through the encoded information in the visual representation.
4Reliability
If direct connection methods are used for control, then control reliability is maintained, but remote control and intuitive management become challenging
Solution Approach 1:
The patent makes the mobile device a universal control interface that can authenticate and control multiple display apparatuses. The mobile device performs multiple functions: capturing code images, extracting authentication information, establishing communication channels, and sending control commands. This multi-functional approach maintains control reliability through authenticated connections while enabling remote and intuitive management of display apparatuses.
Data Source
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AI summary
A method for authenticating a mobile device and a display apparatus using the same, and a mobile device authentication system are provided. In the method for authenticating the mobile device by the display apparatus, the display apparatus generates a code image in which information on the display apparatus is encrypted if the mobile device is sensed (S71 0), displays the code image on a screen (S720), receives information (S740) on the mobile device which is transmitted using the code image and authenticates the mobile device (S750) using the information on the mobile device. Accordingly, the user controls the display apparatus using the mobile device easily and intuitively.