Wall-Mounted Ticketing Machine with Projected Interface
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Solution Overview
Problem
Existing ticketing machines are bulky, occupy significant space, and lack accessibility for users of different heights and those in wheelchairs, posing challenges in high-traffic areas where additional resources are needed and space is limited.
Innovation Solution
A ticketing machine embedded or projected onto a wall, utilizing an image projection device, touch sensor, wireless interface, and processor to create a graphical user interface on any surface, allowing real-time height and position adjustments for enhanced accessibility and reducing equipment costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional ticketing machines are used, then ticketing functionality is provided, but they occupy significant space and have high equipment and maintenance costs
Solution Approach 1:
The patent uses projection technology to create a virtual ticketing interface on the wall surface instead of using a physical ticketing machine. The projector casts images of ticketing buttons and displays onto the wall, allowing users to interact with a virtual interface. This copying approach eliminates the need for bulky physical equipment while maintaining full ticketing functionality, significantly reducing both space occupation and equipment costs
Solution Approach 2:
The patent replaces the mechanical physical ticketing machine with an optical projection system combined with touch-sensitive wall surface. Instead of physical buttons and displays housed in a bulky machine, the system uses projected light images and optical touch detection. This substitution dramatically reduces the physical footprint from a large standalone machine to a compact projector unit mounted on the wall
2Ease of operation
If traditional fixed-location ticketing machines are used, then ticketing operations are performed, but accessibility for users of different heights and wheelchair users is limited
Solution Approach 1:
The patent implements dynamic adjustment of the projected interface position based on the user's height. The system detects the user's height and automatically adjusts the vertical position of the projected ticketing interface to an optimal height for that user. This dynamic adaptation ensures that users of all heights, including wheelchair users, can access the interface comfortably without strain, making the system adaptable to diverse user needs
Solution Approach 2:
The patent changes the positional parameters of the projected interface based on detected user characteristics. By measuring user height and calculating the appropriate interface position, the system adjusts key parameters such as vertical offset and projection angle. This parameter adjustment ensures the interface is always at an ergonomically optimal position regardless of user size or mobility status
3Productivity
If additional ticketing machines are added to high-traffic areas, then ticketing capacity is increased, but space availability is reduced
Solution Approach 1:
The patent makes the wall surface itself a multi-functional element by embedding touch sensors and projection capabilities directly into the wall. The same wall surface serves both as architectural structure and as the interactive ticketing interface medium. This universality allows the system to handle multiple users simultaneously at different locations on the wall without requiring additional floor space, effectively increasing ticketing capacity while maintaining space efficiency
Solution Approach 2:
The patent transitions the ticketing interface from a horizontal floor-space-based layout to a vertical wall-space-based layout. By projecting the interface onto the vertical wall surface and allowing multi-point touch interaction across different heights and positions, the system effectively utilizes the third dimension (vertical space) to accommodate multiple users simultaneously, thereby increasing capacity without consuming additional floor area
Data Source
AI summary
A ticketing machine on a wall includes an image projection device, a touch sensor, a wireless interface that is configured to communicate with a user's mobile device, and a processor. The processor is configured to project, using the projector, a graphical user interface of the ticketing machine on a surface and detect, using the touch sensor, a touch interaction of a user of the ticketing machine on the graphical user interface that is projected on the surface. The processor is further configured to determine a selection of an option of the user based on the detected touch interaction and provide, using the wireless interface, an entry product to a mobile device of the user based on the selected option.