Two-Dimensional Matrix Interface for Emergency Radio Zone Selection
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Solution Overview
Problem
Existing communication devices used by emergency responders face inefficiencies in selecting communication channels, particularly when multiple zones are available, leading to slow and error-prone zone selection processes, especially in emergency situations.
Innovation Solution
A communication device with a two-dimensional matrix interface that allows for navigational input to select zones and subsequent channel selection using a rotary knob or touch interface, providing haptic and aural feedback for eyes-free operation and reducing errors through distinct gestures for zone and channel selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a toggle switch or scrolling list is used to select zones, then the device complexity is reduced, but the selection speed and accuracy deteriorate in emergency situations
Solution Approach 1:
The patent transitions from a one-dimensional scrolling list or simple toggle switch to a two-dimensional matrix interface where zones are arranged in rows and columns. This dimensional change allows for more efficient navigation and selection of zones, enabling users to access specific zones faster by navigating both horizontally and vertically rather than scrolling through a linear list.
Solution Approach 2:
The zone selection interface is segmented into distinct rows and columns, with each row representing a different category or type of zone and each column representing individual zones within that category. This segmentation allows users to quickly locate and select specific zones by navigating through organized groups rather than searching through a single long list.
2Ease of manufacture
If a simple toggle switch or scrolling list is used, then the ease of manufacture is improved, but the reliability of zone selection deteriorates due to errors in emergency situations
Solution Approach 1:
The patent incorporates visual feedback mechanisms including highlighted indicators that show which zone is currently selected, confirmation displays that verify the intended selection before activation, and organized visual groupings that help users confirm they are selecting the correct zone category. This feedback reduces selection errors by providing multiple verification points during the selection process.
Solution Approach 2:
Different regions of the interface are designed with distinct visual characteristics - such as different background colors, border styles, or icon representations - to indicate different zone categories or selection states. This local differentiation helps users quickly identify and distinguish between different types of zones, reducing selection errors in emergency situations.
3Adaptability or versatility
If multiple groups of communication channels are provided for different emergency services, then the adaptability of the device is improved, but the time required to select the correct zone increases
Solution Approach 1:
The patent organizes multiple communication channel groups into a two-dimensional matrix structure where different emergency service categories are arranged in rows and specific channels are arranged in columns. This dimensional organization allows users to quickly navigate to the desired service category and channel simultaneously, reducing the time required to access specific communication channels compared to scrolling through a single long list of all available channels.
Solution Approach 2:
The comprehensive list of communication channels is segmented into distinct zones representing different emergency services (e.g., fire, police, medical). Each zone is visually separated and labeled, allowing users to directly navigate to the relevant service category without searching through unrelated channels. This segmentation maintains full adaptability across multiple emergency services while significantly reducing selection time.
Data Source
AI summary
A multi-dimensional zone selection method in a communication device is provided. The communication device comprises: a radio transceiver; a memory storing a plurality of zones arranged in a two-dimensional matrix, each of the plurality of zones indicative of a respective subset of one or more communication channels; an input interface; and, a controller. The controller is configured to: receive, using the input interface, navigation input to navigate the two-dimensional matrix to indicate a selected zone of the plurality of zones; receive, using the input interface, selection input indicating a selected communication channel of the respective subset of the one or more communication channels indicated within the selected zone; and cause the radio transceiver to communicate over the selected communication channel. In some implementations, the communication device further comprises an electronic display and the controller is further configured to control the electronic display to render the two-dimensional matrix.