Portable Device Speed Detection Safety Circuit

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

There is a lack of effective solutions to prevent the use of portable electronic devices, such as cell phones, while driving or engaging in other high-speed activities, as existing measures fail to adequately address safety concerns related to their use during these activities.

Innovation Solution

A portable electronic device system that incorporates a speed detector, using GPS or land-based signal triangulation, to determine the device's speed and communicate this information to a safety circuit, which disables certain functions if the speed exceeds a predetermined threshold, thereby preventing unsafe use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If portable electronic devices are used while driving, then communication and information access are improved, but safety is compromised due to driver distraction

Engineering Contradiction:
Improvecommunication accessibilityVSAvoiddriver distraction
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system applies preliminary anti-action by detecting speed before dangerous distraction can occur and preemptively disabling device functions. The speed detector continuously monitors vehicle speed, and when the threshold is exceeded, the safety circuit automatically disables communication functions before the driver can be distracted, thus preventing the harmful effect rather than reacting to it afterward

Inventive Principle:
Principle #9Preliminary anti-action

Solution Approach 2:

The safety circuit acts as an intermediary between the speed detector and the communication functions. It receives speed information from the detector, processes it against predetermined thresholds, and controls the enabling/disabling of device functions accordingly. This intermediary mechanism mediates between the desire for communication access and the need for safety by automatically intervening when speed conditions indicate danger

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If device functions are disabled during high-speed travel, then safety is improved, but device functionality is reduced

Engineering Contradiction:
Improvesafety riskVSAvoiddevice functionality
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The system applies dynamics by making device functionality conditional rather than static. Communication functions are dynamically enabled when speed is below the predetermined threshold and automatically disabled when the threshold is exceeded. This dynamic adaptation allows the device to provide full functionality during safe conditions while automatically restricting functions during high-speed travel, thus balancing functionality with safety

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameter of device functions based on speed conditions. When vehicle speed exceeds the predetermined threshold, the safety circuit changes the state of communication functions from enabled to disabled. This parameter change approach allows the same device to operate with different functional states depending on the speed parameter, maintaining versatility during safe conditions while ensuring safety during high-speed travel

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

The system effectively prevents the use of portable electronic devices during high-speed activities by disabling functions such as voice and text messaging or displaying screens, thereby enhancing user safety.

Implementation Method 1

the GPS receiver is operable to determine a position of the portable electronic device

Methodology Applied
Scientific EffectGPS signal reception:

Implementation Method 2

the speed detection logic is operable to determine a speed of the portable electronic device

Methodology Applied
Scientific EffectSpeed calculation through position differentiation:

Data Source

PatentUS8280438B2Safety features for portable electronic device
Publication Date: 2012.10.02 LONGHORN AUTOMOTIVE GRP LLC
  • US8280438B2 patent drawing
  • US8280438B2 patent drawing
  • US8280438B2 patent drawing

AI summary

A portable electronic device includes a safety feature configured to prevent at least some forms of use of the device when the user is traveling beyond a speed threshold. The device may detect its linear speed, compare that speed to a threshold, and provide a response or blocking function upon detecting that the speed has exceeded a threshold. In one embodiment, the device is a cell phone configured to disable the transmission and reception of voice and text, conceal its display screen, and disable incorporated games, cameras, internet access, etc., if the cell phone is moving faster than walking speed. The blocking function in a cell phone may be partially overridden by the introduction of hands-free equipment. The introduction of a hands-free earpiece and microphone may serve to override the blocking of voice transmission and reception, and may also enable a voice activated dialing and/or answering function.