Machine-Readable Link Encoding for Printed Digital Content Access
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Solution Overview
Problem
When digital documents are printed, the digital content associated with annotations, such as URLs, audio, or video, becomes inaccessible as only the URL is printed, and not the actual content.
Innovation Solution
A machine-readable link is generated based on the annotations and encoded into the printed document, allowing computing devices to access the digital content by capturing the link using an image capturing device, such as a digital camera, and interacting with it to retrieve the corresponding digital content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If digital content is printed directly, then the print layout is maintained, but the digital content becomes inaccessible
Solution Approach 1:
The solution segments the digital content delivery system into distinct components: a printing subsystem that handles the physical document, a machine-readable code subsystem that encodes access information, and a digital content subsystem that stores and delivers the actual content. This segmentation allows the printed document to remain simple while enabling digital content access through separate mechanisms.
Solution Approach 2:
A machine-readable link (barcode, QR code, or digital watermark) serves as an intermediary between the printed document and the digital content. Instead of printing the actual digital content or complex access mechanisms, the system embeds this intermediate code that bridges the physical print and digital content repositories, enabling access without compromising print simplicity.
2Loss of information
If annotations with digital content are printed, then the print layout is maintained, but the digital content associated with annotations becomes inaccessible
Solution Approach 1:
The system performs preliminary encoding of access information into machine-readable links before printing. The annotations are processed in advance to generate corresponding machine-readable codes that are embedded in the print layout. This preliminary action ensures that when the document is printed, the digital content access pathways are already established, requiring no additional setup or complex user configuration.
Solution Approach 2:
Machine-readable links act as intermediaries that connect users to annotation digital content. Instead of requiring users to manually access digital content through complex interfaces or URLs, the system embeds scannable codes directly in the print layout near annotations. Users simply scan these codes with their devices to access the associated digital content, greatly simplifying the interaction.
3Loss of information
If only URL is printed, then the print layout is simple, but the actual digital content is not accessible
Solution Approach 1:
The system extracts the actual digital content from the printed document while retaining only the essential access information in machine-readable form. Instead of embedding large amounts of digital content data in the print file, the system separates the content storage (in external repositories) from the print medium, placing only compact machine-readable access codes in the document. This extraction maintains print simplicity while enabling content access.
Solution Approach 2:
The solution transitions from a two-dimensional printed page to multi-dimensional access by encoding URL parameters, identifiers, or access tokens in machine-readable links. These codes contain compressed reference information that points to digital content stored in external repositories, effectively adding a digital dimension to the physical document without increasing its physical data storage capacity.
Data Source
AI summary
Examples disclosed herein relate to providing access to digital content using a machine-readable link. As an example, an annotation comprising digital content, for a portion of a digital content, is identified in response to a print request. Based on the annotations, a machine-readable link associated with the digital content is generated. Subsequently, a printable format version of the digital document comprising the machine-readable link, and excluding the annotation is obtained wherein the machine-readable link is readable by a computing device to obtain access to the digital content over a communication network.