Overlapping Message Preview on Mobile Displays

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Solution Overview

Problem

The limited screen resolution and small display size of mobile devices make it cumbersome and time-consuming for users to review and take action on multiple email messages, as they need to repeatedly select and open each message for content examination.

Innovation Solution

A method and system that provides a preview of email message content by displaying a portion of the message body in an overlapping area of the message list, automatically after a predetermined time period of inactivity on a selected list entry, allowing users to assess actions without fully opening each message.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a dedicated preview pane is provided separate from the message list, then message content can be examined without opening each message, but the device complexity and display space requirements increase significantly

Engineering Contradiction:
Improvemessage examination efficiencyVSAvoiddisplay layout complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines the message list display and message preview functions into a single overlapping display area. The preview window is positioned to overlap with the message list, allowing both the list of messages and the content of a selected message to be viewed simultaneously without requiring separate dedicated spaces. This merging approach resolves the contradiction by enabling efficient message examination while avoiding the complexity of a completely separate preview pane layout.

Inventive Principle:
Principle #5Merging (Combining)

2Loss of information

If the entire message body is displayed at once, then the user can examine all content immediately, but the display area requirements and processing resources increase

Engineering Contradiction:
Improvemessage content visibilityVSAvoiddisplay area
Core Design Contradiction:
Loss of informationVSArea of stationary object

Solution Approach 1:

The patent implements progressive disclosure by initially displaying only a portion of the message body in the preview window. When the user indicates interest in the message (by selecting it from the list), the system then automatically displays additional portions of the message body. This partial action approach allows the display area to be used efficiently while ensuring that sufficient message content is visible to enable informed decision-making about whether to open the full message.

Inventive Principle:
Principle #16Partial or excessive action

3Quantity of substance

If additional message content is displayed after a time delay, then memory and processing resources are conserved, but the user experience may feel less responsive

Engineering Contradiction:
Improvememory usageVSAvoidcontent loading speed
Core Design Contradiction:
Quantity of substanceVSSpeed

Solution Approach 1:

The patent employs periodic action by displaying additional message content at predetermined time intervals after the initial preview is shown. The system monitors user interaction and automatically loads more message body content after specific time periods have elapsed without the user opening the full message. This periodic loading strategy conserves memory and processing resources by only loading content when needed, while maintaining a responsive user experience through automated timing rather than requiring explicit user requests for each additional portion.

Inventive Principle:
Principle #19Periodic action

Data Source

PatentEP1947559B1System and method for providing a preview of message content on a mobile device
Publication Date: 2010.06.02 BLACKBERRY LTD
  • EP1947559B1 patent drawingFigure 1
  • EP1947559B1 patent drawingFigure 2
  • EP1947559B1 patent drawingFigure 3

AI summary

Embodiments of a system and method for providing a preview of the content of messages (e.g. electronic mail messages) to users of mobile devices. A portion of the message body of a message associated with a user-identified list entry of a message list is shown in an area of a display screen (e.g. in a window) that overlaps the area in which one or more list entries of the message list is displayed.