Wireless Projector Charging Dock for Large-Screen Mobile Viewing
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Solution Overview
Problem
Mobile devices, such as smartphones and tablets, have limited display sizes, requiring users to be in close proximity for viewing, and smart devices with small displays cannot effectively integrate with mobile devices to provide larger images.
Innovation Solution
A projector system that communicates wirelessly with a mobile device, receiving audio-visual signals and charging the device, capable of projecting images up to 60 inches and extending device usage time through wireless charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a mobile device uses a small display to maintain portability, then the device size is reduced, but the image viewing area becomes limited
Solution Approach 1:
The patent introduces a projector as an intermediary device that receives audio-visual signals from the mobile device and projects them onto a larger surface. The projector acts as a mediator between the mobile device's small display and the user's need for large-screen viewing, enabling the mobile device to function as a remote control while the projector provides the enlarged image output.
Solution Approach 2:
The projector is designed with multiple functions: it serves as both an image projection device and a wireless charging station. The projection function addresses the viewing area limitation, while the wireless charging function extends the mobile device's usage time, creating a multi-functional solution that tackles multiple problems simultaneously.
2Length of moving object
If a smart device with a small display is used alone, then portability is maintained, but the ability to provide large images is lost
Solution Approach 1:
The patent combines the mobile device and projector into an integrated system where the mobile device controls the projector wirelessly. This merging allows the small portable device to leverage the projector's large projection capability, effectively combining the advantages of both devices - the mobile device's portability and the projector's large image output.
3Volume of moving object
If the mobile device operates without external power, then portability is maximized, but the usage time is limited by battery capacity
Solution Approach 1:
The projector provides wireless charging to the mobile device, enabling the mobile device to recharge itself when placed on the projector. This self-service charging mechanism extends the mobile device's usage time without requiring external power sources or cables, maintaining portability while solving the battery life limitation.
4Adaptability or versatility
If wireless communication is established between projector and mobile device, then integration is enabled, but additional modules increase device complexity
Solution Approach 1:
The wireless communication module serves multiple functions: it enables audio-visual signal transmission from the mobile device to the projector, allows control signals to be sent from the mobile device to control projector operations, and facilitates wireless charging communication. By making the wireless communication module multi-functional, the patent reduces the need for separate dedicated modules for each function.
Solution Approach 2:
The patent combines multiple communication functions (audio-visual signal transmission, control signaling, and charging communication) into a single wireless communication interface. This merging of functions reduces the overall system complexity while maintaining full integration between the projector and mobile device.
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
Enables a larger image projection and extended device usage time by connecting to a mobile device for audio-visual output and charging, enhancing user experience.
Implementation Method 1
The wireless communication module communicates with the mobile device and provides a default wireless domain
Implementation Method 2
The wireless charging module responds to the control signal to charge the mobile device
Data Source
AI summary
A projector and a projection system are provided. The projection system includes the projector and a mobile device. The projector receives an audio-visual signal coming from the mobile device via a default wireless domain when the projector is connected to the mobile device, and outputs an image according to the audio-visual signal. The projector also charges the mobile device.