Portable Device Hands-Free Inhibition via Vehicle Signal Detection

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Solution Overview

Problem

Portable electronic devices often interfere with communication systems in motor vehicles, leading to potential distractions and safety concerns, as they continue to transmit communications even when within a vehicle, necessitating a solution to inhibit such transmissions and enable hands-free operation.

Innovation Solution

A method and system for detecting when a portable electronic device is within a threshold distance of a motor vehicle, inhibiting communication transmissions, and engaging hands-free operation by disconnecting active connections and connecting to a hands-free device via short-range wireless communication, while allowing restricted access through complex bypass information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the portable electronic device continues to transmit communications when within a motor vehicle, then the device maintains full communication functionality, but driver distraction and safety concerns increase

Engineering Contradiction:

Improvecommunication functionalityVSAvoiddriver distraction

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system automatically detects when a portable device is within a motor vehicle using wireless communication signals and automatically inhibits communication transmissions without requiring manual driver intervention. The device self-regulates its behavior based on environmental context, eliminating the need for driver action while preventing distraction.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system continuously monitors the environment for the presence of motor vehicles through wireless signal detection and adjusts communication transmission accordingly. When a vehicle is detected, the system provides feedback by inhibiting transmissions, and when no vehicle is present, normal communication resumes, creating a closed-loop safety mechanism.

Inventive Principle:

Principle #23Feedback

2Object-affected harmful factors

If the device inhibits all communication transmissions when within a motor vehicle, then driver safety is improved, but legitimate hands-free communication needs are not met

Engineering Contradiction:

Improvedriver safetyVSAvoidcommunication flexibility

Core Design Contradiction:

Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The system introduces a hands-free communication interface as an intermediary between the portable device and the vehicle's communication system. This mediator enables legitimate communication needs to be satisfied through the vehicle's audio system while maintaining the inhibition of direct device transmissions that would cause distraction.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The communication system dynamically adjusts its behavior based on the detected communication mode. When hands-free operation is detected or requested, the system allows communication through the vehicle interface while maintaining transmission inhibition, providing flexible adaptation to different communication scenarios without compromising safety.

Inventive Principle:

Principle #15Dynamics

3Ease of operation

If the device allows unrestricted access to functionality when within a motor vehicle, then user convenience is maintained, but accidental interactions increase

Engineering Contradiction:

Improveuser convenienceVSAvoidaccidental interactions

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The system applies preliminary anti-action by automatically inhibiting communication transmissions and restricting certain functionalities before accidental interactions can occur. When a vehicle is detected, the system proactively prevents potential accidental communications by blocking transmissions at the source, eliminating the need for reactive measures after accidents occur.

Inventive Principle:

Principle #9Preliminary anti-action

Solution Approach 2:

The system changes operational parameters when within a motor vehicle, transitioning from full functionality to restricted functionality. Communication transmissions are inhibited and access to certain features is modified, creating a different operational state that prevents accidental interactions while maintaining essential hands-free capabilities.

Inventive Principle:

Principle #35Parameter changes

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

Effectively prevents distracting communication transmissions within motor vehicles, ensuring safer operation by enabling hands-free operation and restricting device functionality to prevent accidental interactions, thereby enhancing driver safety.

Implementation Method 1

via a short-range wireless communication path, detect a hands-free device associated with a motor vehicle

Methodology Applied

Scientific EffectShort-range wireless communication:

Data Source

PatentUS8260247B2Portable electronic device and method of operation

Publication Date: 2012.09.04 BLACKBERRY LTD

AI summary

A method and portable electronic device for hands-free operation in a motor vehicle are described. In accordance with one embodiment, there is provided a method comprising: detecting when a portable electronic device is within a threshold distance of a motor vehicle; and inhibiting the portable electronic device from transmitting communications when the portable electronic device is within the threshold distance of a motor vehicle.