Automated Mechanical Handwriting Plotter System

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Solution Overview

Problem

There is a need for a personalized appearance of machine-generated printed and/or plotted documents, such as greeting cards, stickers, notes, and stationery, to mimic human handwriting effectively.

Innovation Solution

An automated mechanical handwriting system that plots input text on a marking surface using a plotter system with a pen-like device, emulating the indentation trails of human handwriting by applying downward force, and incorporates a conveyor belt and rollers to position and move the document, optionally using QR codes and barcodes for workflow control and quality assurance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a mechanical plotter system is used to generate documents, then productivity is improved, but the personalized appearance of human handwriting is lost

Engineering Contradiction:

Improvedocument generation speedVSAvoidpersonalized appearance

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The patent uses a camera to capture an image of a person's handwritten signature and stores it as a digital template. The system then reproduces this signature on multiple documents by positioning a plotter pen to trace the captured image coordinates, achieving consistent personalized appearance across批量 documents while maintaining high productivity

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The system allows dynamic adjustment of signature parameters including size, position, and orientation. The plotter pen can be positioned at different coordinates and the signature image can be scaled or rotated to match different document layouts, enabling flexible personalization without manual rewriting

Inventive Principle:

Principle #35Parameter changes

2Ease of manufacture

If a plotter pen is used to replicate handwriting, then personalized appearance is improved, but manufacturing complexity increases

Engineering Contradiction:

Improvehandwriting replication qualityVSAvoidsystem structure

Core Design Contradiction:

Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent replaces manual handwriting with an automated system consisting of a camera for image capture, a computer for processing and coordinate calculation, and a plotter pen for reproduction. This mechanical-substitution approach eliminates the need for manual operation while achieving consistent handwriting replication quality

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system introduces a camera as an intermediary to capture the original signature, a computer as an intermediary to process the image and calculate positioning coordinates, and these intermediaries bridge the gap between the original handwritten sample and the replicated signatures on documents

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of manufacture

If manual handwriting is used for each document, then personalized appearance is improved, but productivity decreases

Engineering Contradiction:

Improvehandwriting authenticityVSAvoiddocument production volume

Core Design Contradiction:

Ease of manufactureVSProductivity

Solution Approach 1:

The system performs preliminary action by capturing and storing the handwritten signature image in advance as a digital template. This pre-captured template is then reused multiple times across different documents, eliminating the need for manual rewriting while maintaining the authentic handwriting appearance

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system creates multiple copies of the original handwritten signature by reproducing the captured image coordinates using the plotter pen on different documents. This copying mechanism enables high-volume document production with consistent personalized signatures without requiring manual handwriting for each document

Inventive Principle:

Principle #26Copying

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system generates documents with a realistic handwritten appearance, ensuring accurate plotting and quality control, thereby addressing the need for personalized machine-generated documents.

Implementation Method 1

a conveyor belt and rollers to position and move the document

Methodology Applied

Scientific EffectMechanical transport:

Implementation Method 2

emulating the indentation trails of human handwriting by applying downward force

Methodology Applied

Scientific EffectMechanical pressure:

Implementation Method 3

incorporates a conveyor belt and rollers to position and move the document

Methodology Applied

Scientific EffectMechanical constraint:

Data Source

PatentUS11926167B2Mechanical handwriting control apparatus and method of use thereof

Publication Date: 2024.03.12 WACHS DAVID

AI summary

The invention comprises a method and apparatus for producing a handwritten appearance of input text on a marking surface, comprising the steps of: backing the marking surface with a conveyor belt of a plotter system; machine plotting the input text on the marking surface with a plotting pen having a downward force of one-half to forty ounces; feeding a new sheet to the conveyor belt from a paper feeder system, the step of feeding under control of a paper position detection system; loading a current marking surface into the plotter system; and repeating the steps of loading and emulating n times as designated by a print job, where the step of emulating changes applied vectors to the current marking surface for sub-tasks within the print job and optionally to us graphic codes on the marking surface to control work flow.