Automatic Pencil Pointer with Electromagnetic Induction for Digital Recording

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Users face inconvenience in storing and retrieving handwritten notes written with physical ink, as they require additional steps like scanning or photography, and lost papers can result in irretrievable data.

Innovation Solution

An automatic pencil type pointer that combines a graphite lead with electromagnetic induction, allowing simultaneous physical writing and digital handwriting recording using a digitizer, enabling the storage of handwritten data without additional procedures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If physical ink writing is used on paper, then handwriting authenticity is maintained, but storage and retrieval require additional procedures (scanning or photography)

Engineering Contradiction:
Improvehandwriting storage reliabilityVSAvoidhandwriting storage operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent combines physical writing function with digital recording function into a single pointer device. The electromagnetic induction unit records handwriting data digitally while the graphite lead writes physically on paper, merging both functions into one tool that eliminates the need for separate scanning or photography procedures.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The electromagnetic induction unit creates a digital copy of the handwriting being written physically. The pointer records the writing process in real-time through electromagnetic induction, generating digital handwriting data that mirrors the physical ink writing, enabling direct digital storage without additional procedures.

Inventive Principle:
Principle #26Copying

2Reliability

If physical ink writing is used, then handwriting authenticity is preserved, but data retrieval becomes difficult when paper is lost

Engineering Contradiction:
Improvehandwriting data securityVSAvoidhandwriting information recovery
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The device creates a digital copy of handwriting during the writing process itself. The electromagnetic induction unit records writing data digitally, preserving an exact replica of the physical handwriting in digital form, which can be retrieved even if the original paper is lost.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The digital recording of handwriting occurs simultaneously with the physical writing process, not after. This preliminary digital capture ensures that handwriting data is already recorded and stored before any potential loss of the physical paper occurs.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If a pointer with electromagnetic induction is used, then digital handwriting recording is enabled, but device complexity increases

Engineering Contradiction:
Improvehandwriting recording capabilityVSAvoidpointer structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The pointer is designed to perform multiple functions: physical writing with graphite lead, electromagnetic induction for digital recording, and lead propelling. By making the device universal and multi-functional, the patent reduces the need for multiple separate tools (pen and digital recorder) into one integrated device.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables seamless conversion of physical handwriting into digital format during writing, facilitating easy storage and retrieval while maintaining the authenticity of handwritten notes.

Implementation Method 1

the first electromagnetic unit is disposed in the accommodation space and includes a first magnet and a first coil

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS10712838B2Automatic pencil type pointer
Publication Date: 2020.07.14 SHENZHEN PU YING INNOVATION TECH CORP LTD
  • US10712838B2 patent drawing
  • US10712838B2 patent drawing
  • US10712838B2 patent drawing

AI summary

An automatic pencil type pointer includes a housing, a first circuit unit, a lead propelling unit, and a first electromagnetic unit. The housing has a port and an accommodation space in communication with the port. The first circuit unit is disposed in the accommodation space. The lead propelling unit is disposed in the accommodation space and includes a lead storage tube, a tip sleeve, a graphite lead, and a lead propelling assembly. The tip sleeve is disposed at the port. The graphite lead is accommodated in the lead storage tube. The lead propelling assembly is capable of controlling the graphite lead to be output from the tip sleeve. The first electromagnetic unit includes a first magnet and a first coil. The first coil is wound around the first magnet and is electrically connected to the first circuit unit. The graphite lead passes through the first magnet.