Touchpad Keypad Mode Switching for Faster Numeric Input
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Solution Overview
Problem
Conventional electronic modules, such as notebook computers, lack separate numeric keys, requiring users to switch between text and numeric functions on shared keys, leading to inefficiencies in data entry.
Innovation Solution
An electronic module with a touch-control element and a driver that switches between track identification and keypad identification modes, allowing for cursor position signals or key commands, enabling faster data input by emulating keyboard operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If shared keys are used to reduce the number of keys in the keypad, then the device complexity is reduced, but the ease of operation deteriorates due to the need to switch between text and number functions
Solution Approach 1:
The patent combines the trackpad and keypad functions into a single touch-control element. The touch-control element can operate in either track identification mode (for cursor control) or keypad identification mode (for data input), eliminating the need for separate numeric keys and function switching while maintaining both functionalities.
Solution Approach 2:
The driver dynamically switches between track identification mode and keypad identification mode based on received switch signals. This dynamic mode switching allows the same touch-control element to adapt its function, providing cursor control when needed and keypad input when needed, thereby improving data entry efficiency without increasing device complexity.
2Ease of operation
If a separate keyboard is provided for text input, then the ease of operation is improved, but the device complexity increases due to additional components
Solution Approach 1:
The touch-control element is designed with multi-functionality, serving both as a trackpad for cursor control and as a keypad for data input. The driver supports both track identification mode and keypad identification mode, allowing a single component to replace multiple input devices, thereby reducing device complexity while maintaining ease of operation.
3Device complexity
If function switching is required for shared keys, then the device complexity is reduced, but the productivity decreases due to the time required for switching
Solution Approach 1:
The system proactively switches to keypad identification mode when a switch signal is received, anticipating the user's need for data input. This preliminary action eliminates the delay associated with manual function switching, as the system automatically prepares the appropriate mode based on detected user intent, thereby improving data entry speed without complicating the keypad structure.
Data Source
AI summary
An electronic module with a track identification function and a keypad identification function is provided. The electronic module includes a touch-control element and a driver. The driver has a track identification mode and a keypad identification mode. When the driver receives a switch signal, the driver mode is switched between the track identification mode and the keypad identification mode. In the keypad identification mode, the touch-control element has at least a key position. When a user presses the key position, the driver provides a key command. In the track identification mode, the driver provides a cursor position signal.