Hand Dryer Display with Centralized Control and Real-Time Sensor Data
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Solution Overview
Problem
Existing hand dryers with display screens lack instant responsiveness to centralized control, easy updating, and interactive features, limiting their ability to effectively display information and collect environmental and human data for targeted advertising.
Innovation Solution
A hand dryer system with a programmable display screen, proximity sensor, and high-speed link for centralized data management, including sensors for environmental and human data analysis, allowing for real-time advertising and marketing optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If hand dryers use display screens with automated updates every 24 hours, then the system is simple to operate, but the responsiveness to centralized control is slow and content freshness is reduced
Solution Approach 1:
The hand dryer system performs preliminary actions by pre-fetching and storing multiple sets of content (images, videos, text) locally in memory before they are needed. When connected to the network, it automatically downloads and caches content in advance, so that when centralized control requests updates, the content is already available for immediate display without waiting for 24-hour cycles.
Solution Approach 2:
The patent introduces a local memory/cache as an intermediary between the centralized control system and the display screen. This intermediary stores content locally, allowing the display to respond instantly to centralized control requests while the actual content delivery can be optimized through background network operations, thus decoupling responsiveness from update frequency.
2Adaptability or versatility
If hand dryers include multiple sensors and interactive features, then user engagement and data collection improve, but device complexity and manufacturing cost increase
Solution Approach 1:
The processor in the hand dryer is designed to perform multiple functions: it controls the display screen, processes sensor data from proximity and audio sensors, manages network communications, and executes interactive logic. By making the processor universal and multi-functional, the system achieves high adaptability without proportionally increasing overall system complexity.
Solution Approach 2:
The patent combines multiple functional components (display controller, sensor processor, network interface, and interactive logic) into a single integrated system managed by one processor. This merging of functions reduces the number of separate control units needed, thereby managing complexity while maintaining versatile interactive capabilities.
3Loss of information
If hand dryers use high-speed links for real-time updates, then content freshness improves, but energy consumption and network resource usage increase
Solution Approach 1:
Instead of continuous real-time updates, the system uses periodic action by checking for and downloading content at scheduled intervals when the hand dryer is idle or when triggered by specific events (such as user presence detection). This approach maintains content freshness by regular updates while avoiding constant network communication and associated energy consumption.
Solution Approach 2:
The hand dryer system performs self-service by automatically managing its own content updates, downloads, and caching without requiring manual intervention or continuous external control. It autonomously determines when to fetch new content based on its operational state, balancing content freshness with energy conservation.
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
Enables instant and remote updating of content, interactive features, and data-driven advertising, improving user engagement and marketing efficiency by analyzing user interactions and environmental data in real-time.
Implementation Method 1
The fan draws air past the heater to heat the air and to dispense the air from within the housing externally of the housing to dry a user's hands
Implementation Method 2
a proximity sensor that senses the proximate location of a user to the screen
Implementation Method 3
An audio sensor may be used to calculate, store, record, monitor and/or analyze data corresponding to the actual use of the hand drying function (use of the drying fan)
Data Source
AI summary
The invention provides a plurality of display devices such as hand dryers, each with a programmed computer display, and all communicating to a central location via a high speed link system. A display screen is mounted to each of the hand dryers and viewable by a user while drying the user's hands. A processor is located within the housing and is in signal-communication with the display screen. The high-speed link system is in signal-communication with each processor and an external data source, wherein the data source communicates with the processor to change the image displayed on the display screen. Sensors communicate ambient conditions outside of the display screen to a database.