Portable GPS Navigation Device Hands-Free Mobile Phone Integration
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Solution Overview
Problem
Existing GPS navigation devices require drivers to manage both navigation and mobile phone operations separately, leading to increased cognitive load and potential safety hazards due to different user interaction designs, especially when handling hands-free mobile phone kits.
Innovation Solution
Integration of hands-free mobile telephone functionality into a portable GPS navigation device, allowing users to control mobile phone functions and make voice calls using a unified interface with a touch screen display and microphone, minimizing the need to handle a separate hands-free kit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a driver uses a separate hands-free kit for mobile telephone, then hands-free capability is achieved, but device complexity and cognitive load increase due to managing multiple devices with different interaction designs
Solution Approach 1:
The patent combines the mobile telephone hands-free functionality with the GPS navigation device into a single integrated unit. The GPS device includes a microphone, speaker, and control interface that enables hands-free phone operations, eliminating the need for a separate hands-free kit and reducing the number of devices the driver must manage.
Solution Approach 2:
The GPS navigation device is enhanced to perform multiple functions: navigation guidance and hands-free mobile telephone operations. By making the GPS device universal, it can handle both navigation tasks and phone communications through a single unified interface, reducing cognitive load and simplifying device management for the driver.
2Reliability
If a driver uses a separate hands-free kit for mobile telephone, then hands-free capability is achieved, but safety deteriorates due to increased cognitive load and potential gaze aversion
Solution Approach 1:
The patent combines the mobile telephone hands-free functionality with the GPS navigation device into a single integrated unit. The GPS device includes a microphone, speaker, and control interface that enables hands-free phone operations, eliminating the need for a separate hands-free kit and reducing the number of devices the driver must manage.
Solution Approach 2:
The GPS navigation device is enhanced to perform multiple functions: navigation guidance and hands-free mobile telephone operations. By making the GPS device universal, it can handle both navigation tasks and phone communications through a single unified interface, reducing cognitive load and simplifying device management for the driver.
3Adaptability or versatility
If navigation and phone operations are managed separately, then specialized functionality is maintained, but cognitive load increases due to different user interaction designs
Solution Approach 1:
The GPS navigation device is enhanced to perform multiple functions: navigation guidance and hands-free mobile telephone operations. By making the GPS device universal, it can handle both navigation tasks and phone communications through a single unified interface, reducing cognitive load and simplifying device management for the driver.
Solution Approach 2:
The patent implements a unified user interface for both navigation and phone operations within the GPS device. By using consistent interaction methods and a single control paradigm for both functions, it eliminates the cognitive burden of switching between different interaction designs, while still providing specialized functionality for each task.
Data Source
AI summary
A portable GPS navigation device displays map information and navigation instructions; the device (a) includes a two-way wireless transceiver operable to connect to a mobile telephone; (b) is operable to enable a user to control one or more functions of the mobile telephone and (c) includes an audio output and a microphone to enable a voice call to be made using the mobile telephone.