Orientation-Sensitive Signal Output for Mobile Text Entry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional devices, such as telephones, face inefficiencies in character entry due to limited controls requiring repetitive selections and time delays between character outputs, leading to slow and frustrating text input.
Innovation Solution
A method and device that utilize a tilt sensor to determine the angular displacement of a device relative to defined tilt regions, allowing a single control selection to output multiple characters based on the device's orientation, eliminating the need for repetitive selections and time delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If repetitive control selection is used to output multiple characters from a single control, then device complexity is reduced, but character entry speed decreases and time consumption increases
Solution Approach 1:
The patent introduces a temporal dimension to control selection by implementing different output modes (first output mode and second output mode) that are activated based on the timing and sequence of control selections. This allows a single control to output multiple different characters depending on whether it is selected once or repeatedly within a specific time window, effectively adding a time-based dimension to the control mechanism.
Solution Approach 2:
The system dynamically switches between different output modes based on real-time user input patterns. When a control is selected repeatedly within a predetermined time period, the system transitions from the first output mode (outputting first character) to the second output mode (outputting second character), creating a dynamic response that adapts to user behavior rather than requiring separate static controls for each character.
2Device complexity
If repetitive control selection is required for consecutive characters, then device simplicity is maintained, but time delay between character outputs increases
Solution Approach 1:
The patent implements periodic action by establishing a predetermined time period window during which repeated control selections are interpreted differently. Within this time window, the system expects periodic control selections and responds by outputting different characters, thereby eliminating unnecessary time delays between consecutive character entries while maintaining a simple control mechanism.
Solution Approach 2:
The system performs preliminary action by pre-defining the predetermined time period and the rules for different output modes before user input occurs. This allows the system to be prepared and responsive, immediately outputting the appropriate character based on the timing and pattern of control selections without requiring additional processing delays or complex real-time calculations.
3Adaptability or versatility
If multiple controls are assigned to multiple characters, then character selection flexibility is improved, but ease of operation deteriorates due to confusing selection sequences
Solution Approach 1:
The patent applies universality by making a single control perform multiple functions: it can output the first character when selected once, and output the second character when selected repeatedly within the predetermined time period. This multi-functionality eliminates the need for separate controls or complex selection sequences for different characters, greatly simplifying ease of operation while maintaining character selection flexibility.
Solution Approach 2:
Instead of assigning different controls to different characters (the conventional approach), the patent inverts the logic by assigning multiple characters to a single control and using the timing/pattern of selection to differentiate between them. This inversion simplifies the control interface while maintaining full character selection capability.
Data Source
AI summary
The selection and output of a signal, such as an alphanumeric character, is provided depending upon the orientation of a device, such a mobile telephone (100). In particular, a neutral position of a device is determined in relation to at least a first axis (x), the device including at least a first control (102) associated with a first plurality of output signals, and an angular displacement of the device is measured about at least the first axis (x). A selection of the first control (102) is also received, and one of the first plurality of output signals is output based at least upon the selection and the angular displacement.