Wireless Ski Slope User Detection for Accurate Counting

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Solution Overview

Problem

Existing methods for detecting users on ski slopes are imprecise, impractical, or invasive, failing to accurately count the number of people using the slopes and their times of use due to issues with ski pass counting, smartphone app reliance, and atmospheric conditions affecting optical sensors.

Innovation Solution

A detection system using wireless signal-emitting devices like smartphones and smartwatches, combined with Bluetooth and Wi-Fi antennas, to generate and send detection signals to a control unit for precise user counting, supplemented by light beam sensors, which creates a database for real-time user tracking and slope management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If ski pass counting with statistical methods is used, then the system complexity is low, but the measurement precision of user counting is poor

Engineering Contradiction:
Improveuser counting accuracyVSAvoiddetection system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual counting methods and complex optical tracking systems with a wireless signal-based detection system. Detection devices use wireless communication protocols to automatically detect and count users passing through defined zones, substituting mechanical/manual counting with electronic signal processing while maintaining system simplicity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces wireless signals as an intermediary between users and the detection system. Instead of directly observing or mechanically counting users, the system uses wireless signal emissions and receptions as a mediator to indirectly detect user presence and movement, achieving accurate counting without complex direct observation mechanisms.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If optical sensors such as cameras are used, then the measurement precision of user detection is high, but the reliability under atmospheric conditions deteriorates

Engineering Contradiction:
Improveuser detection accuracyVSAvoiddetection stability under atmospheric conditions
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The patent substitutes optical sensor-based detection with wireless signal-based detection. Instead of using cameras that are sensitive to fog, ice, and lighting conditions, the system uses wireless communication signals that penetrate atmospheric obstacles, providing reliable detection regardless of weather conditions while maintaining detection accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If dedicated apps on smartphones are used, then the device complexity is low, but the ease of operation deteriorates due to user participation requirements

Engineering Contradiction:
Improveuser participation convenienceVSAvoiduser counting accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent implements a system where users' own smartphones serve the detection function without requiring them to actively participate. The detection devices communicate with users' smartphones, which automatically transmit presence information without user intervention. This eliminates the need for users to install dedicated detection apps while maintaining high counting accuracy through automatic device-to-device communication.

Inventive Principle:
Principle #25Self-service

4Measurement precision

If wireless signal detection devices are deployed along the ski slope, then the measurement precision of user counting is improved, but the device complexity increases

Engineering Contradiction:
Improveuser counting precisionVSAvoiddetection system structure
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs wireless communication devices that serve multiple functions: they detect user presence, track movement through zones, and communicate with the central system using standard wireless protocols. By using multi-functional wireless devices rather than specialized detection equipment, the system achieves high measurement precision without proportionally increasing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 accurate, non-invasive user counting and real-time slope management by precisely tracking user numbers and times, facilitating optimal snow distribution and accident prevention through improved data analysis.

Implementation Method 1

at least one detection device for detecting people, preferably by means of wireless signals, emitted by user interface devices

Methodology Applied
Scientific EffectWireless signal detection: Electromagnetic Induction

Implementation Method 2

the detection of people is performed by means of a light beam sensor which detects the passage of people when the light beam is interrupted

Methodology Applied
Scientific EffectLight beam interruption detection: Light

Data Source

PatentEP4095814B1A detection system and method for detecting users for a ski area
Publication Date: 2025.09.03 TECHNOALPIN HLDG SPA
  • EP4095814B1 patent drawingFigure 1
  • EP4095814B1 patent drawingFigure 2

AI summary

Detection system (1) for detecting users (U) for a ski area (10) comprising at least one ski slope (11) and at least one ski lift (12). The system (1) comprises at least one detection device (2) of the passage of users (U) arranged along the ski slope (11) and configured to generate and send a detection signal representative of the passage of a user interface device near the detection device (2) itself in a given moment or time interval and a control unit (3) configured to communicate with the detection device (2) to receive the detection signals so as to define a database (4) representative of a number of users who have used the ski slope (11) in given moments or time intervals.