Keyless Side Surface Sensor for Deformation Detection
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Solution Overview
Problem
Conventional electronic devices with physical key indicators can be inconvenient for users due to design limitations and difficulty in determining the position of input sensors, leading to reduced user convenience and aesthetic issues.
Innovation Solution
A keyless structure with sensors on the side surface of the housing to detect deformation caused by user input, allowing for active key mapping through association of swiping and pushing operations, enabling the electronic device to identify and execute corresponding functions without physical keys.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a physical key indicator is used to indicate the position of an input sensor, then the user can easily determine the key position, but the design flexibility is limited and user convenience is reduced due to protrusions or recesses causing pain during pushing operations
Solution Approach 1:
The patent removes the physical key indicator (protrusion or recess) from the device surface and replaces it with a sensor that detects deformation of the housing surface. This extraction eliminates the harmful physical features while preserving the input functionality through a keyless structure.
Solution Approach 2:
The patent replaces the mechanical key indicator system with a sensing system that detects surface deformation. Instead of using physical protrusions or recesses to indicate key positions, the device uses sensors to detect when and where the housing surface is deformed by user input, thereby substituting a mechanical indication system with a sensing-based system.
2Device complexity
If a keyless structure without key indicators is used, then design flexibility and aesthetics are improved, but the user cannot easily determine the position of the input sensor
Solution Approach 1:
The housing surface serves dual purposes: it maintains the aesthetic keyless design while simultaneously acting as the sensing element. The housing surface itself deforms under user input and this deformation is detected by the sensor, making the structure self-indicating without requiring separate key indicators.
Solution Approach 2:
The patent employs a visual indicator that changes state (such as lighting up or changing color) to indicate the position and status of the input sensor. This allows the device to maintain a clean keyless appearance while providing clear visual feedback to the user about where to apply input and what operations are available.
3Adaptability or versatility
If multiple input operations (swiping and pushing) are mapped to functions, then user convenience and functionality are enhanced, but the system complexity increases
Solution Approach 1:
The patent makes the housing surface and sensor system multi-functional by enabling it to detect multiple types of user inputs (swiping operations, pushing operations, and combinations thereof). Each type of input can be mapped to different functions, allowing a single sensor system to handle diverse input modes without requiring separate physical keys or buttons for each function.
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
Enhances user convenience by eliminating the need for physical key indicators, allowing for various input forms and aesthetic enhancements while enabling efficient execution of functions based on user inputs.
Implementation Method 1
an input sensor or a button to receive a user's input... detect a deformation of the side surface caused by a user's pushing force
Data Source
AI summary
The disclosure relates to a key structure, a key input method, and an electronic device using the same, and an operating method of an electronic device includes: identifying an input operation, by comparing output values of at least two sensors provided on a side surface of the electronic device and a threshold value; determining whether a function corresponding to the identified input operation exists; and, based on the corresponding function existing, executing the corresponding function. Accordingly, the electronic device can receive various input operations under a keyless structure.