Wearable Eye-Reflection Input for Floating Screen Character Entry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional glasses-type terminals have a complex configuration with many parts, leading to high costs and difficulties in character input due to voice recognition failures and small touch pads.
Innovation Solution
A terminal device with a wearable object and a separate display unit, utilizing a projection device and hologram sheet or half mirror to display a screen, allowing for wireless or wired connection with a smartphone or tablet for simplified operation and character input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional glasses-type terminals integrate all functions including display, processing, and input into a single wearable device, then the device can operate independently, but the configuration becomes complicated with many parts resulting in high manufacturing costs
Solution Approach 1:
The terminal device is divided into two separate components: a wearable object (glasses) and a terminal device (smartphone/tablet). The wearable object contains only the display apparatus with projection device and hologram sheet, while the terminal device handles processing, communication, and input functions. This segmentation reduces the complexity and part count of the wearable object while maintaining independent operation capability through wireless communication between the two components.
Solution Approach 2:
The terminal device (smartphone or tablet) serves multiple functions: it acts as the control unit for the display apparatus, provides the processing unit for voice recognition and character input, and serves as the communication module. By utilizing the multi-functional capabilities of existing terminal devices, the patent avoids adding separate dedicated components for each function, thereby reducing overall system complexity.
2Ease of operation
If conventional glasses-type terminals use voice recognition for character input, then hands-free operation is enabled, but recognition accuracy decreases due to homonyms, individual pronunciation differences, and external noise
Solution Approach 1:
The patent introduces a visual confirmation screen that appears to float in midair in front of the user's field of view. This intermediary visual interface allows users to confirm and correct voice recognition results before final submission, effectively mediating between the imperfect voice recognition system and the required input accuracy. Users can see the recognized characters and make corrections if needed.
Solution Approach 2:
The patent replaces the purely acoustic voice recognition system with a combined visual-auditory system. Instead of relying solely on voice commands that are prone to misrecognition, the system substitutes in a visual confirmation mechanism where users can see the projected screen and verify or correct the recognized input, thereby compensating for the limitations of voice recognition accuracy.
3Ease of operation
If conventional glasses-type terminals provide a touch pad on the temple for input, then direct interaction with the interface is possible, but the touch pad area is too small for accurate character input
Solution Approach 1:
The patent transitions the input interface from a two-dimensional small touch pad on the temple to a virtual three-dimensional space by projecting a floating screen in midair. This dimensional change allows users to interact with a much larger effective input area using natural hand gestures in 3D space, eliminating the space constraints of a physical touch pad while maintaining direct interaction capability.
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
Reduces the number of parts and improves operability by using familiar smartphone operations, enabling easy and accurate character input on a floating screen.
Implementation Method 1
a projection device including a display device; and a hologram sheet or a half mirror, the hologram sheet or the half mirror may be located in front of a face of the user and within a range of a field of view of the user, and the original screen may be displayed on the hologram sheet or the half mirror by the projection device projecting an image onto the hologram sheet or the half mirror
Data Source
AI summary
A terminal device includes a wearable object, a display apparatus, a mobile terminal, and an image capturing apparatus. The image capturing apparatus is provided in the wearable object to capture an image of an eye of the user to acquire an image of the original screen and a finger or a specific input instructing tool reflected on the eye of the user when the user performs an operation on the visual confirmation screen with the finger or the input instructing tool. The image capturing apparatus also outputs image data of the acquired image to the mobile terminal wirelessly or wired.