Rotatable Projector Unit for Portable Devices
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Solution Overview
Problem
Portable information devices like laptops and tablets have limited display sizes, requiring external projectors that are not portable and inconvenient to use, as they restrict the projection direction and hinder simultaneous use of the device's display.
Innovation Solution
A projector unit with a rotatable chassis attached to the side surface of a portable information device, allowing adjustable projection direction and enabling use of the device's display while projecting, with a removably attached design for convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a projector is integrally mounted on the laptop PC, then the projector is fixed and stable, but the projection direction is limited to one direction and the laptop PC itself needs to be moved to adjust projection direction
Solution Approach 1:
The projector system is segmented into two independent parts: the projector unit that can be removably attached to the laptop PC, and the laptop PC itself. This allows the projector to be detached and repositioned independently without moving the entire laptop, resolving the contradiction between stability and ease of direction adjustment.
Solution Approach 2:
The attachment mechanism is designed to be dynamically adjustable, allowing the projector to be easily attached and detached from different positions on the laptop PC. This enables flexible repositioning of the projection direction while maintaining stable attachment when in use.
2Ease of operation
If a projector is removably attached to the laptop PC in place of the display, then the projection direction can be adjusted, but the user cannot watch the display of the laptop PC simultaneously
Solution Approach 1:
The projector is segmented as a separate removable unit rather than replacing the display. This allows the display to remain functional while the projector is attached to other surfaces of the laptop, enabling simultaneous use of both display and projection functions.
Solution Approach 2:
The laptop PC is designed with multiple attachment surfaces that can accommodate the projector while preserving the display function. This multi-functional design allows the device to serve both as a display and a projection system simultaneously.
3Adaptability or versatility
If the projector is attached to the laptop PC, then the projection function is integrated, but the laptop PC equipped with the display cannot be carried together with the projector
Solution Approach 1:
The projector is designed as a separable component that can be easily detached from the laptop PC. This segmentation allows the projector to be carried separately or attached when needed, maintaining portability while providing integrated functionality when required.
Solution Approach 2:
The attachment mechanism provides dynamic flexibility, allowing the projector to be quickly attached and detached. This enables the system to transition between integrated and separated states, accommodating both portability requirements and integrated function needs.
Data Source
AI summary
A portable information device having a projector unit is disclosed. The projector unit includes a chassis, a connection terminal part and a projector part. The chassis includes an attachment part removably attached to an attachment target part disposed on a side surface of the portable information device. The connection terminal part is electrically connected to a terminal of the portable information device when the attachment part is attached to the attachment target part. The projector part is rotatably attached to the chassis so that a direction of projection from a projector lens can be changed.