Vehicle State Inference for Mobile Device Interface Adaptation

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Solution Overview

Problem

Existing solutions for reducing mobile device distractions while driving, such as hands-free devices and voice recognition, do not adequately address the myriad distractions that drivers may face, posing ongoing safety risks.

Innovation Solution

A mobile device with mode functionality that infers the vehicle's state using movement-sensing data and adjusts the user interface to minimize attention demands, providing a safer interaction experience by adapting input and output modes based on driving conditions, including distress scenarios.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a user manually interacts with a mobile device while driving, then the user can perform tasks such as making calls, conducting searches, and reading emails, but the user's attention is diverted from driving, posing safety risks

Engineering Contradiction:
Improvemobile device interaction capabilityVSAvoiddriving safety
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system dynamically adjusts the user interface mode based on real-time vehicle state detection. When the vehicle is detected to be in motion, the system automatically switches to a restricted mode that limits manual interactions. When the vehicle is stationary, the system transitions to a full interaction mode, allowing complete mobile device functionality. This dynamic adaptation resolves the contradiction by making the ease of operation dependent on the safety context.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameters of the mobile device interface based on vehicle motion state. In motion, parameters such as touchscreen responsiveness, button availability, and notification display are modified to reduce distraction. When stationary, all parameters are restored to their full operational state. This parameter adjustment strategy allows the system to maintain safety during driving while preserving full functionality when parked.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If hands-free interaction devices are used to reduce mobile device distraction risks, then certain interactions can be performed without manual handling, but these solutions do not adequately address the myriad distractions that drivers may face

Engineering Contradiction:
Improvedriving safetyVSAvoiddistraction scenario coverage
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system provides a universal solution that encompasses multiple interaction modes (manual, voice, gesture, touch) and adapts between them based on vehicle state. Unlike specialized hands-free devices that address only specific scenarios, this system universally applies safety-aware adaptation across all possible distraction scenarios by detecting vehicle motion and automatically adjusting the appropriate interaction mode, thereby covering the full spectrum of driving distraction risks.

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

3Ease of operation

If the mobile device provides full user interface functionality, then the user can access all features and applications, but the attention demands may be excessive during high-risk driving conditions

Engineering Contradiction:
Improveuser interface accessibilityVSAvoiddriver distraction level
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system applies partial action by providing only the necessary subset of user interface functionality based on vehicle state. During driving, it provides minimal essential functions (such as basic voice commands for calls or navigation) while restricting access to non-essential features. When stationary, the system provides excessive action by enabling complete interface functionality. This selective provision of functionality resolves the contradiction between accessibility and distraction.

Inventive Principle:
Principle #16Partial or excessive action

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 solution effectively reduces driver distraction by tailoring the user interface to the vehicle's state, enhancing safety by minimizing attention demands during high-risk driving conditions and providing assistance in distress situations.

Implementation Method 1

receiving inference-input information from one or more input sources, at least one input source corresponding to a movement-sensing device provided by the mobile device

Methodology Applied
Scientific EffectAccelerometer: Accelerometer

Data Source

PatentUS8811938B2Providing a user interface experience based on inferred vehicle state
Publication Date: 2014.08.19 MICROSOFT TECHNOLOGY LICENSING LLC
  • US8811938B2 patent drawing
  • US8811938B2 patent drawing
  • US8811938B2 patent drawing

AI summary

A mobile device is described herein that provides a user interface experience to a user who is operating the mobile device within a vehicle. The mobile device provides the user interface experience using mode functionality. The mode functionality operates by receiving inference-input information from one or more input sources. At least one input source corresponds to at least one movement-sensing device, provided by the mobile device, that determines movement of the mobile device. The mode functionality then infers a state of the vehicle based on the inference-input information and presents a user interface experience that is appropriate for the vehicle state. In one scenario, the mode functionality can also infer that the vehicle is in a distress condition. In response, the mode functionality can solicit assistance for the user.