Rotating Electrode Input for Handheld Devices
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electronic devices face challenges with space constraints and high costs associated with keyboards and touch pads for inputting commands, necessitating a more efficient and cost-effective input method.
Innovation Solution
A handheld electronic device featuring an electrode unit with conductive elements and resistance-based input control, where rotating the device connects different electrode groups to execute various functions, utilizing a storage unit to map resistance values to device functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a keyboard is used for inputting commands, then the input functionality is provided, but the device occupies a relatively larger space
Solution Approach 1:
The patent extracts the essential input function from the traditional keyboard by using only a single electrode group that changes state based on device orientation. Instead of requiring multiple physical keys, the system extracts the command input capability and implements it through a minimal electrode structure that responds to rotational position, thereby dramatically reducing the space required while maintaining command input functionality.
Solution Approach 2:
The single electrode group serves multiple functions by changing its electrical state according to the device's rotational orientation. Different electrode groups are selectively activated based on the device's angle, allowing one physical structure to perform the role of multiple keyboard keys, thus achieving multi-functionality with minimal components and reduced device space.
2Ease of operation
If a touch pad or touch screen is used for inputting commands, then the command input functionality is provided, but the device becomes relatively expensive
Solution Approach 1:
The patent employs a simple electrode structure made from basic conductive materials rather than expensive touch pad or touch screen technologies. The electrode groups are implemented as straightforward conductive elements that can be easily manufactured, replacing costly specialized input components with inexpensive, easily fabricated structures that achieve the same functional outcome through a different physical principle.
Solution Approach 2:
The patent replaces the mechanical/electronic touch-sensitive systems (touch pads and touch screens) with a resistance-based system that detects device orientation through electrical resistance changes. This substitution eliminates the need for complex touch-sensitive layers and processing circuits, significantly reducing manufacturing cost while maintaining command input capability through a simpler electrical measurement approach.
3Adaptability or versatility
If multiple electrode groups are used to represent different functions, then the function selection capability is improved, but the device complexity increases
Solution Approach 1:
The patent makes the electrode configuration dynamic by using a single electrode group that changes its functional state based on the device's rotational orientation. Instead of having multiple static electrode groups fixed in position, the system dynamically selects which electrode group is active based on the device's angle, allowing one physical structure to represent multiple functions through dynamic state changes rather than requiring multiple fixed electrode structures.
Solution Approach 2:
The patent adds the dimension of rotational orientation to the electrode system. Instead of varying the electrode structure in the horizontal plane (multiple fixed electrode groups), the system uses a single electrode group that varies its state in the vertical/directional dimension based on device rotation. This dimensional approach allows multiple functions to be represented through angular orientation rather than requiring multiple separate electrode structures, thereby reducing overall complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and cost-effective command input by rotating the device to select functions based on resistance changes, reducing the need for large keyboards and expensive touch screens.
Implementation Method 1
Each electrode group includes a pair of conductive sheets, which are partially received in the annular cavity and are spaced apart from each other, so that a resistance value between the two conductive sheets is infinite. The conductive element can move along the annular cavity when the electronic device is rotated. When one electrode group is contacted by the conductive element, the conductive sheets of the electrode group are connected to each other via the conductive element. Thus, the resistance value between the two conductive sheets of the contacted electrode group is proximately the sum of the resistance value of the conductive element and the resistance value of the two electrode sheets
Data Source
AI summary
A handheld electronic device is provided. The electronic device includes an electrode unit, a storage unit, and a processing unit. The electrode unit includes a main body defining an annular cavity, a plurality of electrode groups, and a conductive element arranged within the annular cavity, wherein each of the plurality of the electrode groups includes a pair of conductive sheets, which are partially received in the annular cavity and are spaced apart from each other. When the electronic device is rotated to be in different orientation, the conductive element connects different electrode groups and the conductive sheets of the one of the electrode groups are connected to each other via the conductive element. The processing unit determines the connected electrode groups and executes a function corresponding to the determined electrode group. A function control method of the handheld electronic device is also provided.