WWAN Digital Media Frame Remote Content Transfer
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Solution Overview
Problem
Conventional digital picture frames require basic computer knowledge and access to a PC to download digital photos, and their wireless connectivity is limited to a local area network, restricting users' ability to access and share media files over a wide area.
Innovation Solution
A digital media frame equipped with a WWAN modem that allows users to transfer and display media files, including images, audio, and videos, over a wireless wide area network, enabling remote access and sharing without the need for a PC, while also incorporating security checks and user preference settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a digital picture frame uses conventional wireless LAN connectivity, then users can transfer images wirelessly, but the range is limited to local area network coverage
Solution Approach 1:
The digital picture frame is designed to support multiple wireless communication protocols including Wi-Fi for local area network connectivity and cellular modems for wide area network connectivity. This multi-functionality allows the device to operate across different network types and coverage areas, resolving the contradiction between limited wireless range and network adaptability
2Reliability
If users download digital photos to the frame using a PC and USB cable, then image transfer is reliable, but users need basic computer knowledge and PC access
Solution Approach 1:
The picture frame incorporates automated features including remote upload capability where users can send photos via text message to the frame's phone number, and automatic slideshow creation that requires no user configuration. The device also performs self-diagnosis and error correction, eliminating the need for PC access or technical knowledge while maintaining reliable image transfer
3Quantity of substance
If the frame stores multiple digital pictures in memory, then users can view a variety of images, but the device requires more complex memory management and file handling
Solution Approach 1:
The picture frame automatically manages its memory resources by implementing intelligent file organization, automatic deletion of duplicate or redundant images, and dynamic allocation of storage space. The device also provides automated backup capabilities and error correction mechanisms, reducing memory management complexity while increasing the number of storable images
Data Source
AI summary
A wireless enabled digital media frame that can communicate over a wireless wide area network (WWAN) is provided. The wireless enabled digital media frame comprises an internal or external WWAN modem (e.g. GPRS/EDGE/UMTS/HSPA/LTE) such that the one or more media is transferred to the media frame using a wireless connection (e.g. 2G/3G/3.5G/4G). The wireless enabled digital media frame displays the received media files on a display screen. Further, broadcast alerts received over the WWAN and/or calculated current signal strength is also displayed on the display screen. Furthermore, setting information is received by the WWAN modem and accordingly applied to modify or update media frame functions.