Touch Screen Candidate Phone Number List Interface
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Solution Overview
Problem
Mobile communication devices with full touch screens face challenges in efficiently performing both input and output functions due to limited space, necessitating innovative methods to control operations without a keypad.
Innovation Solution
A method and device that utilize a touch screen to display a phone number input window and a list of matching phone numbers, allowing users to select and interact with phone numbers through a communication menu, including options for calling and messaging, using a controller to manage touch inputs and replace screens accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a full touch screen is used to eliminate the keypad, then the device size is reduced and design flexibility is improved, but the efficiency of input and output operations deteriorates due to limited screen space
Solution Approach 1:
The touch screen is divided into multiple functional areas: a first area for displaying the input window and candidate phone number list, and a second area for displaying the dialing string. This segmentation allows simultaneous display of multiple functions within limited screen space, resolving the contradiction between reduced device size and maintained operational efficiency.
Solution Approach 2:
The interface utilizes spatial arrangement on the touch screen by placing the input window, candidate list, and dialing string in different regions (first area and second area), effectively using two-dimensional screen space to organize multiple functions without requiring physical keypads, thus maintaining efficiency while reducing device volume.
2Weight of moving object
If the touch screen area is limited to maintain portability, then device portability is improved, but the capability to perform input and output functions simultaneously deteriorates
Solution Approach 1:
The touch screen serves multiple functions simultaneously: it displays the input window for number entry, shows the dialing string, presents candidate phone number lists, and provides touch input areas for user interaction. This multi-functionality within a single limited-area display maintains both portability and operational versatility.
Solution Approach 2:
The limited touch screen area is segmented into distinct functional zones (first area for input and candidate display, second area for dialing string) that can independently perform input and output functions, enabling simultaneous operation capabilities despite constrained screen real estate.
3Ease of operation
If a candidate phone number list is displayed on the touch screen, then user interaction efficiency is improved, but the screen space for other functions is reduced
Solution Approach 1:
The touch screen is divided into a first area that can display both the input window and candidate phone number list, and a second area for the dialing string. This segmentation allows the candidate list to be displayed without completely occupying the screen, maintaining space for other functions while improving user interaction efficiency.
Solution Approach 2:
The display areas are dynamically adjustable - the first area can switch between showing the input window and showing the candidate phone number list based on user interaction. This dynamic reconfiguration optimizes screen space utilization while maintaining ease of operation.
Data Source
AI summary
A mobile communication device capable of providing a candidate phone number list and a method of controlling an operation of the mobile communication device is provided. The method includes displaying a phone number input window and a display window on the touch screen, displaying a string of numbers input to the phone number input window in the display window and displaying a candidate phone number list on the touch screen if a touch input to the display window is detected when the input number string is displayed in the display window, the candidate phone number list including a plurality of phone numbers that contain the input number string.