Portable Device Optical Code File Transfer to Scanners
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Solution Overview
Problem
Current methods for printing documents from portable devices are complex and often require costly hardware, network access, and secure connections, making it difficult to transfer files due to limited screen sizes and computing power, as well as security concerns.
Innovation Solution
A system that displays a sequence of optical codes on a portable device, allowing a scanning device to decode and print documents without network access, using QR Codes or other optical representations, enabling direct file transfer and printing by sensing successful scans through various methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional printing methods are used from portable devices, then printing functionality can be achieved, but device complexity and cost increase due to required hardware (Bluetooth, WiFi, RFID, NFC, USB, IrDA)
Solution Approach 1:
The patent replaces complex wireless communication hardware (Bluetooth, WiFi, RFID, NFC, USB, IrDA) with a simple optical display system. The portable device displays optical codes on its screen that can be scanned by the printer's optical scanner, eliminating the need for specialized printing hardware and protocols.
Solution Approach 2:
The patent uses optical codes (visual representations) as a copy or representation of the printing command and file information. Instead of directly transmitting digital signals through complex hardware, the system creates visual copies that can be universally scanned and decoded by the printer.
2Ease of manufacture
If traditional printing methods are used from portable devices, then printing functionality can be achieved, but network access and security infrastructure are required
Solution Approach 1:
The patent extracts the printing functionality from the network-dependent ecosystem. By using optical code scanning, the system removes the requirement for network access, printer discovery protocols, driver downloads, and account creation, allowing printing to occur through a simple visual interface.
3Area of stationary object
If large documents are displayed on portable devices, then document viewing is possible, but readability decreases due to limited screen sizes
Solution Approach 1:
The patent segments large documents into optical code representations that can be displayed on the portable device's limited screen. The optical codes encode document information in a compact format that fits within the small display area while maintaining readability through the scanning process.
Data Source
AI summary
One embodiment provides a system for transferring a file from a portable device to a scanning device. During operation, the system displays an optical code associated with the file on the portable device. Next, the system detects successful scanning of the current optical code by the scanning device. Subsequently, the system displays a next optical code associated with the file on the portable device, thereby allowing the scanning device to decode the file after a sequence of optical codes are scanned.