Remote Touchpad Interface for One-Handed Smart Device Operation
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Solution Overview
Problem
Users of smart electronic hand-held devices face challenges in operating these devices with one hand due to the need to directly touch the screen for interaction, which is inconvenient and can damage the device over time, and existing solutions do not provide a comfortable or ergonomic one-handed operation method.
Innovation Solution
A remote interface with a touchpad that detects fingertip touch, tap, and gesture movements, a control module to generate a cursor on the device, and a band for attaching the touchpad to the device's back, allowing users to interact with the GUI without touching the screen, enabling one-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user directly touches the display screen to manipulate the GUI, then the user can control the device, but the user must touch the screen repeatedly which damages the touch sensitive capabilities over time
Solution Approach 1:
The patent introduces a touchpad as an intermediary device that detects finger movements and transmits them to the hand-held device. The touchpad serves as a mediator between the user's finger and the device's touchscreen, allowing control without direct contact with the screen. This resolves the contradiction by preserving touch sensitivity while enabling operation.
2Area of stationary object
If the device is made bigger to improve display quality, then the GUI can be displayed better, but one-handed operation becomes awkward and difficult
Solution Approach 1:
The patent moves the interaction interface from the front display surface to the back surface of the device via a touchpad. This dimensional relocation allows users to operate the device from a different spatial location, enabling comfortable one-handed operation on larger devices by positioning the touchpad within easy reach of the user's finger.
3Ease of operation
If the user uses only the thumb to manipulate the GUI with one hand, then the device can be operated with one hand, but the thumb may not reach across the entire screen
Solution Approach 1:
The touchpad acts as an intermediary that expands the reachable interaction area. By placing the touchpad on the back of the device within thumb's reach, users can access the entire GUI through the touchpad's movement detection capabilities, eliminating the limitation of thumb reach on large screens while maintaining one-handed operation.
Data Source
AI summary
A remote interface for smart electronic hand-held devices is provided. The remote interface includes a touchpad having a sensitive surface for detecting and/or registering fingertip touch, tap, click, and gesture movements, a control module for wirelessly transmitting detected fingertip touch, tap, click, and gesture movements and generating a cursor on the hand-held device that tracks the detected fingertip touch, tap, click, and gesture movements, and a band for removably attaching the touchpad to a surface. The touchpad is rotatably coupled to a body of the remote interface and includes a bezel for rotating the touchpad about the body. An indicator indicates the directionality of the touchpad so as to provide visualization of the orientation and directionality of the touchpad relative to the graphic user interface of the hand-held device.