Handwriting Data Changing Unit for Wireless Pen State Feedback

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing handwriting systems with electronic pens often fail to notify users of low battery levels or decreased signal intensity without disrupting the handwriting process, requiring users to stop writing to check the status, which can be distracting and inconvenient.

Innovation Solution

A handwriting data generating system that includes a signal transmitting unit in the handwriting device and a handwriting data changing unit in the generating device, which alters the display format of handwritten data on the screen to indicate battery level or signal strength, allowing users to see the device's condition without interruption, such as changing color or linetype.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If warning sounds or messages are output when battery level decreases or signal intensity decreases, then the user is notified of the device state, but the user cannot handwriting characters with concentration

Engineering Contradiction:

Improvedevice state informationVSAvoidhandwriting concentration

Core Design Contradiction:

Loss of informationVSEase of operation

Solution Approach 1:

The patent merges the device state information display with the handwriting output display. The handwriting output unit displays both the handwritten characters and the device state information (battery level, signal intensity) on the same display screen, eliminating the need for separate warning displays that would distract the user.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The handwriting output unit acts as an intermediary that translates device state information into visual representations alongside the handwriting output. Instead of using separate warning sounds or messages, the system uses the existing handwriting display as a mediator to convey device status information.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Loss of information

If a display unit showing remaining battery level is disposed in the electronic pen, then the user can see the battery status, but the user has to stop handwriting to check the display unit

Engineering Contradiction:

Improvebattery level informationVSAvoidhandwriting interruption time

Core Design Contradiction:

Loss of informationVSLoss of time

Solution Approach 1:

The patent combines the battery level information display with the handwriting output display. The handwriting output unit simultaneously displays both the handwritten characters and the battery level information, eliminating the need for a separate display unit in the electronic pen that would require user attention.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The system provides continuous feedback about battery level and signal intensity through the handwriting output display without requiring user intervention. The display automatically updates and presents the information in the context of the ongoing handwriting task.

Inventive Principle:

Principle #23Feedback

3Adaptability or versatility

If the recording surface detects signals wirelessly from the electronic pen, then the system achieves wireless communication, but characters may not be appropriately written when battery level decreases or signal intensity decreases

Engineering Contradiction:

Improvewireless communication capabilityVSAvoidhandwriting recognition accuracy

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent implements feedback by continuously monitoring battery level and signal intensity and displaying this information to the user. The handwriting output unit shows the current state of the wireless communication, allowing the user to understand when recognition accuracy may be compromised by low battery or weak signal conditions.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The handwriting output unit serves as an intermediary that translates wireless communication quality into visual information. Instead of directly affecting the wireless communication, the system uses the display to mediate the relationship between communication status and user awareness.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS8872805B2Handwriting data generating system, handwriting data generating method, and computer program product

Publication Date: 2014.10.28 SEIKO EPSON CORP

AI summary

A handwriting data generating system includes: a handwriting device that is used to handwrite information on a display surface on which an image is displayed; and a handwriting data generating device that generates handwriting data for displaying the handwriting of the handwritten information on the display surface, wherein the handwriting device includes a signal transmitting unit that transmits a signal indicating at least one of a position and a condition of the handwriting device, and the handwriting data generating device includes: a handwriting data generating unit that generates the handwriting data; and a handwriting data changing unit that changes the handwriting data so as to display the handwriting on the display surface in a different display format depending on details of the signal.