Handheld Projector for Video Conferencing
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Solution Overview
Problem
Current communication technologies, such as VoIP and traditional telephones, lack enhanced features that provide efficient and effective communication experiences, particularly in projecting information and enabling video conferencing capabilities on handheld devices.
Innovation Solution
A handheld device equipped with display logic, a projector, and a camera that can project displayable content and capture user images for video communication, allowing users to configure preferences for projecting information such as caller ID, time, and events onto various surfaces, enhancing communication experiences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If communication devices use traditional display methods, then device complexity is reduced, but information accessibility and user experience are limited
Solution Approach 1:
The patent transitions from traditional 2D screen displays to 3D spatial projection displays. The projection module projects communication information (caller ID, messages, notifications) onto surfaces in the physical environment, allowing users to view information from multiple angles and distances without being confined to a small screen, thereby improving information accessibility while adding projection capability to the device
Solution Approach 2:
The communication device integrates multiple functions including traditional communication, projection display, and environmental interaction. The device can project information onto various surfaces (walls, tables, screens) and support different interaction modes (gesture recognition, voice commands), making it adaptable to diverse usage scenarios and enhancing ease of operation across different contexts
2Area of stationary object
If projection modules are added to handheld devices, then information display capability is improved, but device size and weight increase
Solution Approach 1:
The projection module uses optical projection to display information in three-dimensional space rather than expanding the physical display area of the device itself. Information is projected onto external surfaces at various distances, effectively providing unlimited display area without increasing the device's physical dimensions, thus resolving the contradiction between display area and device volume
Solution Approach 2:
The projection module acts as an intermediary between the device's internal information processing and external display surfaces. Instead of enlarging the device to accommodate larger displays, the projection module transfers information to external surfaces (walls, tables, screens), achieving large display areas while maintaining compact device volume
3Area of stationary object
If projection modules are integrated into handheld devices, then information display capability is enhanced, but manufacturing complexity increases
Solution Approach 1:
The projection module is designed with multi-functionality to justify its integration complexity. It serves multiple purposes: displaying communication information, providing visual feedback for interactions, and enabling projection onto various surfaces. This versatility spreads the manufacturing complexity across multiple useful functions, making the added complexity more acceptable in terms of overall device capability
Solution Approach 2:
The projection module functions as an intermediary layer between the device's core functions and the external environment. It handles the complexity of optical projection, surface detection, and environmental adaptation, allowing the core communication functions to remain simple and manufacturable. The intermediary nature isolates manufacturing complexity to a dedicated module that can be developed and tested independently
4Ease of operation
If users can view communication information through projection, then ease of operation improves, but energy consumption increases
Solution Approach 1:
The projection display operates periodically rather than continuously. Information is projected on-demand based on user interactions, notification events, or gesture commands. The projection module can be activated temporarily to display specific information and then deactivated, reducing overall energy consumption compared to continuous display while maintaining ease of operation when needed
Solution Approach 2:
The projection display dynamically adjusts its operation based on usage context. The system can switch between projection mode and traditional display mode, adjust projection brightness and duration, and activate/deactivate projection based on environmental conditions and user preferences. This dynamic behavior optimizes energy consumption by projecting information only when and where it is most useful
Data Source
AI summary
A system, method, and hand held device configured for video conferencing. The hand held device includes display logic operable to determine that a communication includes displayable content. The hand held device further includes a projector in communication with the display logic. The projector is operable to project the displayable content onto a surface. The hand held device further includes a camera in communication with the display logic. The camera is operable to capture an image of the user. The displayable content and the image are utilized for a video communication.