Messenger-Based Video Call Camera Preview Sharing
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Solution Overview
Problem
Current messenger-based video call services do not effectively allow users to share camera preview images and voice information in real-time between mobile devices, limiting the functionality and quality of video calls.
Innovation Solution
A method and mobile device configuration that enables camera preview image and voice information sharing during a video call by displaying a camera preview screen, detecting user inputs for selecting sharers, executing a messenger application for initiating a video call, and transmitting connection requests to selected users through a messenger server, allowing additional data sharing such as location and handwriting information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a traditional messenger-based video call service is used, then the system is simple to operate, but real-time sharing of camera preview images and voice information between mobile devices is not achieved
Solution Approach 1:
The patent combines camera preview sharing, voice information transmission, and messenger-based video call functionality into a unified system. The camera preview screen is integrated with messenger interface elements, allowing users to select sharers directly from the camera interface. This merging enables real-time sharing of visual and audio data without requiring separate applications or complex multi-step processes.
Solution Approach 2:
The system provides multi-functional capabilities within a single video call environment. Users can simultaneously perform camera preview sharing, voice communication, image capture, memo input, map display, and data transmission. The camera preview screen serves multiple purposes: displaying the camera feed, enabling sharer selection, and supporting additional functions like capturing images and inputting memos during the video call.
2Adaptability or versatility
If additional functions like image capture, memo input, and map display are added during video call, then the functionality is enhanced, but the ease of operation decreases
Solution Approach 1:
Multiple functions are merged into the camera preview screen interface. The interface integrates video call controls, camera capture buttons, memo input fields, and map display elements in a unified layout. This allows users to access and operate multiple functions without switching between different screens or applications, maintaining ease of operation while enhancing versatility.
Solution Approach 2:
The camera preview screen is designed as a universal interface that supports multiple operations simultaneously. Users can capture images, input memos, display maps, and manage video call settings all from the same screen. The interface adapts to accommodate these different functions without requiring complex navigation or separate control mechanisms.
3Loss of information
If real-time data transmission is implemented, then the quality of video call service is enhanced, but the use of energy increases
Solution Approach 1:
The system transmits camera preview images and voice information in periodic intervals rather than continuously. Video frames are captured and transmitted at standardized frame rates, and voice data is sent in periodic audio packets. This periodic transmission maintains real-time communication quality while reducing overall energy consumption compared to continuous uninterrupted data flow.
Solution Approach 2:
The system dynamically adjusts transmission parameters such as image resolution, frame rate, and audio sampling rate based on network conditions and user needs. By changing these parameters, the system optimizes the balance between data transmission quality and energy consumption, transmitting only the necessary amount of data at appropriate quality levels rather than maximum quality continuously.
Data Source
AI summary
A mobile device and method for a messenger-based video call service using camera preview image and voice information are provided. In the method, the mobile device displays a camera preview screen by executing a camera, and detects an input for selecting one or more sharers for a video call from the camera preview screen. Then, the mobile device executes a messenger for providing the video call service, transmits a connection request to the selected sharers through the messenger, and performs the messenger-based video call with the sharers in response to the connection request.