Election Voting System Printer Orientation Detection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Voters often misfeed printed medium into voting machines, leading to incorrect orientation and potential misprinting, especially with thermal paper that only prints on one side, resulting in incomplete or misoriented vote records.

Innovation Solution

Incorporating orientation marks on the printer medium and using an optical sensor to detect the correct orientation, ensuring the paper is inserted right-side up and properly aligned, even if rotated 180 degrees, before proceeding with the voting process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If voters manually insert printer medium into the voting machine, then the voting process can proceed, but voters may misfeed the medium in incorrect orientation leading to printing errors

Engineering Contradiction:
Improvevoter operation simplicityVSAvoidprinting reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent applies preliminary action by pre-marking the printer medium with orientation marks before the voter inserts it into the machine. These marks are placed in specific positions on the medium to indicate the correct insertion orientation. The sensor detects these marks to verify proper orientation before printing begins, preventing misfeeding errors while maintaining simple voter operation.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If orientation marks are added to the printer medium, then misorientation detection is enabled, but the complexity of the printing system increases

Engineering Contradiction:
Improveorientation detection accuracyVSAvoidprinting system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical orientation detection mechanisms with a simple optical sensor system. Instead of using mechanical guides, physical stops, or complex alignment mechanisms, the invention uses optical sensors to detect the presence and position of marks on the printer medium. This substitution maintains high reliability in orientation detection while minimizing the increase in system complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If thermal printers are used for voting systems, then portability and printing speed are improved, but the medium can only print on one side requiring precise orientation

Engineering Contradiction:
Improveprinting speedVSAvoidmedium insertion ease
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The patent uses color or reflectivity changes in the form of orientation marks on the thermal printer medium. These marks create optical contrast that the sensor can detect to determine correct insertion orientation. The marks may differ in color, reflectivity, or pattern from the surrounding medium, enabling the optical sensor to reliably identify the correct feeding direction without complicating the thermal printing process itself.

Inventive Principle:
Principle #32Color changes

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

Ensures accurate and reliable printing of vote records by preventing misorientation issues, allowing for proper voting and audit processes, and reducing voter errors during the insertion of printer medium.

Implementation Method 1

The election voting system includes a sensor that identifies the presence of the marks. The marks are positioned so that the orientation of the paper (right side up versus upside down) can be determined.

Methodology Applied
Scientific EffectOptical detection: Reflection

Data Source

PatentUS10789801B2Election voting system using printed vote records
Publication Date: 2020.09.29 HART INTERCIVIC INC
  • US10789801B2 patent drawing
  • US10789801B2 patent drawing
  • US10789801B2 patent drawing

AI summary

An election voting system is provided. The election voting system includes a printer for accepting printer medium. In one embodiment, the printer medium may be a paper printer medium. The printer medium includes mark(s) positioned on the printer medium that may be utilized to determine whether the printer medium is inserted into the printer in the proper orientation. The election voting system may include a sensor that identifies the presence of the mark. Two marks are positioned so that the orientation of the paper (right side up versus upside down) can be determined. In addition, in one embodiment, the marks are positioned so that even if the printer medium is rotated 180 degrees, orientation as to which side is up may be detected.