Wireless Digital Picture Frame Video Streaming and Surveillance
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Solution Overview
Problem
Traditional digital picture frames are inconvenient for photo browsing and sharing, as they require a computer to be on, and lack advanced features like video streaming and remote surveillance capabilities.
Innovation Solution
A wireless digital picture frame with video streaming capabilities, comprising a body with a video display unit, audio I/O unit, processor, and wireless transceiver, and a wireless camera with video input, audio I/O unit, processor, and transceiver, enabling real-time video and audio signal capture, transmission, and display over Wi-Fi or LAN.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital photos are stored in a computer, then photos can be preserved in electronic format, but photos can only be accessed when the computer is on
Solution Approach 1:
The system separates the photo storage function (computer) from the display function (wireless digital picture frame). The picture frame contains a wireless transceiver that can receive and display photos transmitted from the computer or stored locally, allowing access independent of the computer's power state.
Solution Approach 2:
A wireless digital picture frame acts as an intermediary device between the computer and the user. It receives photos via wireless communication (Wi-Fi, Bluetooth, or other wireless protocols) and displays them locally, serving as a standalone display device that doesn't require the computer to be running.
2Ease of operation
If traditional digital picture frames use built-in memory slots or card readers, then photos can be displayed, but the device lacks video streaming and remote surveillance capabilities
Solution Approach 1:
The wireless digital picture frame is designed as a multi-functional device that combines traditional photo display with video streaming, remote surveillance, and videoconferencing capabilities. It includes a wireless transceiver for receiving various types of data, a processor for handling different protocols, and a display unit that can show both photos and video streams.
Solution Approach 2:
The system dynamically adapts its functionality based on the input source and data type. It can switch between displaying stored photos, receiving live video streams from IP cameras, conducting videoconferencing sessions, or playing back recorded videos, making the device versatile and adaptable to different usage scenarios.
3Adaptability or versatility
If wireless communication is added to enable video streaming, then remote surveillance and videoconferencing are enabled, but device complexity increases
Solution Approach 1:
The wireless transceiver unit is designed as a universal communication module that can handle multiple protocols (Wi-Fi, Bluetooth, etc.) and data types (photos, video streams, audio). This single multi-functional module reduces the need for separate dedicated hardware for each function, thereby limiting the increase in device complexity.
4Ease of operation
If real-time video and audio signals are transmitted wirelessly, then remote A/V playback is achieved, but network dependency increases
Solution Approach 1:
The picture frame includes local storage capability that can pre-download or cache video content and photos before they are needed. This allows the device to play back content locally even when network connectivity is temporarily unavailable, reducing dependency on continuous network connection while maintaining remote playback functionality.
Data Source
AI summary
A wireless digital picture frame with video streaming capabilities comprises: a body having a video display unit, a first audio I/O unit, a first input unit, a first processor, and a first wireless transceiver unit; and a wireless camera having a video input unit, a second audio I/O unit, an audio codec unit, a second processor, and a second wireless transceiver unit. The body and the wireless camera communicate with each other through Wi-Fi connection. The wireless communication thus enables the wireless camera to capture A/V signals and transmit the captured signals back to the first processor of the body to be played by the video display unit and the first audio I/O unit; at the same time, the captured A/V data may also be stored to an external storage medium connected to the wireless digital picture frame. The above process forms a video recording mode and a surveillance mode.