Electronic Pen Correlates Paper Annotations to Digital Documents

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Solution Overview

Problem

Conventional methods require physical scanning and unique identifiers to correlate annotations on paper documents with their digital versions, which is inefficient and lacks automation for unwatermarked documents.

Innovation Solution

An electronic input device with a recording component, imaging component, and data communication capabilities that captures and processes human-comprehensible content to automatically correlate annotations on paper documents with their digital counterparts, using hash values or digital signatures for identification and location within the digital version.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional unique identifiers (bar codes, watermarks) are used to identify documents, then document identification is achieved, but the system cannot handle unwatermarked documents and requires additional preprocessing steps

Engineering Contradiction:

Improvecapability to handle both watermarked and unwatermarked documentsVSAvoidsystem complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system uses human-comprehensible content that already exists in the document itself to identify and locate the document, eliminating the need for external watermarks or barcodes. The document's own content serves as the identifier, making the system self-sufficient and adaptable to both watermarked and unwatermarked documents without adding complexity

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system extracts human-comprehensible content from the document and uses it for identification and location purposes. By taking out the identifying information from the document's visible content rather than relying on separate watermarking systems, the solution simplifies the overall system architecture while maintaining versatility

Inventive Principle:

Principle #2Taking out (Extraction)

2Productivity

If physical scanning is used to capture annotations, then annotation capture is achieved, but the process is manual and inefficient

Engineering Contradiction:

Improveannotation processing efficiencyVSAvoidtime for manual scanning and correlation

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The system replaces manual physical scanning with automated electronic capture using an electronic pen or imaging device. The electronic input device automatically captures images of annotations and human-comprehensible content, eliminating manual scanning operations and significantly improving processing efficiency while reducing time loss

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system introduces an electronic input device as an intermediary between the paper document and the digital system. This intermediary automatically captures annotations and correlates them with digital versions through image processing and content matching, replacing manual operations and improving productivity

Inventive Principle:

Principle #24Intermediary (Mediator)

3Extent of automation

If manual correlation of annotations with digital documents is performed, then annotation association is achieved, but automation is lacking

Engineering Contradiction:

Improveautomation of annotation correlationVSAvoidoperational simplicity

Core Design Contradiction:

Extent of automationVSEase of operation

Solution Approach 1:

The system automatically correlates annotations with digital documents using the human-comprehensible content captured in the document. The electronic input device and processing system perform the correlation autonomously by comparing captured content with digital document content, achieving full automation while maintaining ease of operation through intuitive capture and automatic matching

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system uses feedback from image recognition and content matching to automatically correlate annotations with their corresponding digital documents. By continuously comparing captured human-comprehensible content with digital document content and adjusting the correlation based on matching results, the system achieves high-level automation while maintaining operational simplicity

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS7546524B1Electronic input device, system, and method using human-comprehensible content to automatically correlate an annotation of a paper document with a digital version of the document

Publication Date: 2009.06.09 AMAZON TECH INC

AI summary

An electronic input device such as an electronic pen is provided to annotate a paper document. The input device records an annotation and an image of human-comprehensible content in the document sufficient to identify the document and possibly a location in the document. The human-comprehensible content is used to locate a digital version of the document and determine a corresponding location of the annotation in the digital version of the document. A computer system such as a server system may receive and store the annotation in association with the digital version of the document. The server system may further augment the digital version of the document with the annotation and send the augmented version to an output device for display and/or printing.