Electronic Display Panel Using Access Keys for Survey Identification
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Solution Overview
Problem
Managing paper notes and letters on bulletin boards in buildings is tedious, and existing electronic solutions lack a simple and cost-effective user identification mechanism for additional functions like surveys.
Innovation Solution
An assembly comprising an electronic display panel integrated with a building access control system, using RFID transponders as keys that are powered by the central unit, allowing for user identification and survey responses, with access rights managed via a centralized server and local database.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an electronic display panel is used to replace paper bulletin boards and implement additional functions like surveys, then the functionality and efficiency are improved, but a user identification mechanism must be added which increases device complexity and cost
Solution Approach 1:
The patent applies universality by making the access key serve multiple functions: it is used both for building access control and for user identification in surveys. This eliminates the need for separate identification devices, reducing complexity while maintaining enhanced functionality. The same transponder that unlocks doors also identifies users for survey responses.
Solution Approach 2:
The patent merges the access control system and survey identification system into a single integrated solution. The reading head, transponder keys, and central unit are shared between access control and survey functions, combining previously separate systems into one unified infrastructure that reduces overall complexity.
2Adaptability or versatility
If a separate identification mechanism is implemented for surveys, then user identification capability is improved, but the cost and ease of manufacture deteriorate
Solution Approach 1:
The access key is designed to perform dual functions: building access and survey identification. This eliminates the need to manufacture and distribute separate identification devices, significantly reducing costs while providing full user identification capability for surveys.
Solution Approach 2:
The system uses existing access keys that users already possess and carry. No additional identification devices need to be manufactured, distributed, or managed. Users simply present their existing access keys for both access control and survey identification, eliminating manufacturing costs entirely.
3Productivity
If multiple response recording is allowed, then survey functionality is improved, but data reliability deteriorates due to potential multiple responses from same user
Solution Approach 1:
The central unit reads the transponder identifier and provides feedback by displaying it on the screen for user verification. The system then checks whether this identifier has already responded and provides appropriate feedback (allowing additional responses or preventing duplicates), ensuring data reliability while maintaining productivity.
Solution Approach 2:
The system performs preliminary checking of the transponder identifier against the database before recording a response. This preliminary action prevents duplicate responses from being recorded, ensuring data accuracy is maintained while allowing legitimate multiple responses from different users or different survey instances.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Simplifies user identification and enables efficient management of surveys by utilizing existing access keys, reducing costs and preventing multiple responses while allowing users to edit their answers.
Implementation Method 1
The key 14 is powered by the central unit 12 via a short-distance wireless information transmission link 18
Data Source
Figure 1
Figure 2~4
AI summary
This assembly comprises: - an electronic display panel (8) located in the common areas of a building, this electronic display panel comprising: - a screen (150) capable of displaying a question, - a human-machine interface (152) for acquiring a user's response to the displayed question, - an electric lock, an access control unit, and an electronic key for unlocking a building access door. The electronic display panel includes: - a key reader head (156), and - a module (170) configured to acquire the key identifier read by the reader head and, in response to the acquisition of an answer to a question displayed on the screen, to record the acquired key identifier in association with the acquired answer.