Elevator Access Reader Layout for Unified QR and RFID Capture
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Solution Overview
Problem
Existing building systems, such as elevator and access control systems, face challenges in providing user-friendly data capture devices that can accommodate various types of information carriers and are intuitive for users unfamiliar with their operation, particularly in high-traffic environments with multiple floors.
Innovation Solution
A data capture device with an optical reading device and a first reading device, both integrated within an air coil, allowing simultaneous detection of optical and radio-frequency identification (RFID) information carriers at a single point, accompanied by a marking element and light source for intuitive operation, and optional manual input options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple reading devices (optical and RFID) are integrated into a single data capture device, then the device supports multiple information carrier types and improves versatility, but the device complexity increases due to multiple components and their integration
Solution Approach 1:
The patent combines an optical reading device and an RFID reading device into a single integrated data capture device. The optical reading device includes an image sensor positioned within the air coil of the RFID antenna, allowing both optical code scanning and RFID detection to occur at the same physical location on the device front side.
Solution Approach 2:
The integrated data capture device is designed to handle multiple types of information carriers universally. It can read optical codes (barcodes, QR codes) using the image sensor and detect RFID tags using the air coil, providing a multi-functional solution that works with various access control information carrier types without requiring separate devices.
2Ease of operation
If the image sensor is positioned within the air coil to enable simultaneous detection at a single point, then user-friendliness improves for unfamiliar users, but the space utilization and component arrangement complexity increase
Solution Approach 1:
The image sensor of the optical reading device is positioned within the inner space of the air coil of the RFID antenna. This nested arrangement allows both components to occupy the same physical footprint on the device front side, enabling users to present either an optical code or RFID card at the same location without confusion.
Solution Approach 2:
The patent utilizes the three-dimensional space efficiently by placing the image sensor within the volumetric space enclosed by the air coil. This spatial arrangement in multiple dimensions allows both reading devices to be integrated without increasing the device's external dimensions, maintaining a compact form factor while achieving multi-functionality.
3Ease of operation
If a marking element and light source are added to indicate the presentation region, then ease of operation improves for users, but the device complexity and manufacturing cost increase
Solution Approach 1:
The marking element on the device front side is illuminated by a light source to create a visually distinct presentation region. The illumination causes the marking element to change in brightness or color intensity, making it clearly visible to users and indicating where information carriers should be presented for scanning or RFID detection.
Solution Approach 2:
The light source automatically illuminates the marking element to guide users, and the system can detect when an information carrier is properly positioned based on the reflected or emitted light. This self-guiding mechanism reduces the need for complex user instructions or manual intervention.
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
The device provides a user-friendly, space-efficient solution that supports multiple information carrier types, ensuring intuitive operation and flexibility for users, regardless of their familiarity with the system, while optimizing space utilization and design adaptability.
Implementation Method 1
The optical reading device is embodied to optically detect information from a first information carrier and is arranged such that light from the direction of a front side of the housing, which is accessible to a user, can be captured by an image sensor of the optical reading device
Implementation Method 2
The first reading device has a first antenna for detecting information from a second information carrier by means of radio communication. The first antenna comprises an air coil which has an inner space.
Data Source
AI summary
A data capture device for a building system has a housing in which a display device, an optical reading device, and a first reading device are arranged and which are communicatively connected to a control device arranged in the housing. The optical reading device is embodied to optically detect information from a first information carrier, wherein the optical reading device is arranged in such a way that light from the direction of the front side of the housing, which is accessible to a user, can be captured by an image sensor of the optical reading device. The first reading device has a first antenna in order to detect information from a second information carrier by means of radio communication, the first antenna comprising an air coil which has an inner space. The image sensor of the optical reading device is arranged entirely or partially in the inner space of the air coil.