Handwriting Reproduction with Synchronized Multimedia via Stroke Timestamps

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Solution Overview

Problem

Current mobile devices lack an efficient method to reproduce partial handwritten content in a synchronized manner with multimedia content, limiting user interaction and engagement with handwritten inputs.

Innovation Solution

A device and method that utilize time information of strokes to reproduce partial handwritten content in the same temporal manner it was written, allowing for synchronized playback with corresponding multimedia content, including audio and moving images, through a control unit that extracts and processes timestamp and coordinate information to recreate the handwritten input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If partial handwritten content is selected for reproduction, then user interaction precision is improved, but temporal synchronization with multimedia content becomes complex

Engineering Contradiction:
Improveselection precisionVSAvoidsynchronization complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The handwritten content is segmented into individual strokes, each with its own time stamp. The control unit processes these segmented strokes independently, extracting time information for each stroke to enable precise selection and reproduction while maintaining synchronization with multimedia content through the segmented time data.

Inventive Principle:
Principle #1Segmentation

2Manufacturing precision

If time information of strokes is extracted and processed, then temporal accuracy of handwriting reproduction is improved, but processing complexity increases

Engineering Contradiction:
Improvetemporal accuracyVSAvoidprocessing complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

Time information including time stamps is recorded and stored during the initial handwriting input phase. This preliminary capture of temporal data eliminates the need for complex real-time processing during reproduction, as the control unit simply retrieves and uses the pre-recorded time information to achieve accurate temporal reproduction.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If synchronized playback of handwriting and multimedia content is enabled, then user engagement is improved, but system resource consumption increases

Engineering Contradiction:
Improveuser engagementVSAvoidenergy consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The control unit acts as an intermediary that manages the synchronization between handwriting reproduction and multimedia playback. It uses the stored time information of strokes to coordinate the timing of handwriting display with corresponding multimedia content, enabling synchronized playback without requiring continuous complex processing or excessive resource consumption.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP2947583B1Method and device for reproducing content
Publication Date: 2019.03.13 SAMSUNG ELECTRONICS CO LTD
  • EP2947583B1 patent drawingFigure 1
  • EP2947583B1 patent drawingFigure 2~3
  • EP2947583B1 patent drawingFigure 4A

AI summary

Provided is a device including: a display unit configured to display handwritten content based on an analog handwritten input of a user; a user input unit that receives a user input of selecting a portion of the handwritten content displayed on the display unit; and a control unit reproduces a segment of multimedia content, which corresponds to the portion of the handwritten content, from the multimedia content synchronized with the handwritten content.