Clamshell Mobile Device Secondary Display Notification Management

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Solution Overview

Problem

Clamshell mobile communication devices require users to open and navigate through multiple screens to acknowledge event notifications, leading to frustration and potential unintentional activations due to accidental button presses when the device is closed, causing issues with battery power and resource usage.

Innovation Solution

Implementing a method for event-dependent state activation that allows users to acknowledge or dismiss notifications directly from the secondary display without opening the device, using a selection button or trackball to select and manage notifications, preventing unintentional actions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the device allows full interaction with notifications on the secondary display while closed, then user convenience is improved, but unintentional activations increase

Engineering Contradiction:
Improvenotification management convenienceVSAvoidunintentional activation rate
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system dynamically changes the operational state of the device based on configuration detection. When closed, the device enters a restricted interaction mode where only specific actions (acknowledge, dismiss) are permitted on the secondary display, preventing full interaction while still allowing useful notification management. This dynamic state adjustment resolves the contradiction by adapting interaction levels to the physical state.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the interaction parameter from 'full interaction' to 'restricted interaction' when the device is closed. This parameter change allows the system to maintain reliability by limiting possible actions to safe ones (acknowledge, dismiss) while still providing convenience for common notification tasks, thus resolving the contradiction between ease of operation and reliability.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the user must open the device to acknowledge notifications, then unintentional activations are prevented, but user time and energy consumption increase

Engineering Contradiction:
Improveunintentional activation preventionVSAvoidnotification acknowledgment time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system prepares the notification interface on the secondary display while the device is closed, allowing the user to review and select notifications before opening the device. This preliminary action enables the user to mentally prepare for the notification content, reducing the time and cognitive effort required after opening the device, thus resolving the contradiction between reliability and time loss.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent extracts the notification review and selection function from the main device body and places it on the secondary display accessible while closed. This extraction allows the user to perform preliminary notification management without opening the device, reducing the time spent on notification acknowledgment while maintaining reliability through selective activation only.

Inventive Principle:
Principle #2Taking out (Extraction)

3Use of energy by moving object

If the device requires navigation through multiple screens to access notifications, then resource consumption is reduced, but user frustration increases

Engineering Contradiction:
Improvecomputing resource consumptionVSAvoiduser frustration level
Core Design Contradiction:
Use of energy by moving objectVSEase of operation

Solution Approach 1:

The patent segments the notification access function from the main application interface and places it on the secondary display. This segmentation allows notifications to be accessed directly on a dedicated display area without requiring navigation through multiple screens of the main application, reducing both resource consumption and user frustration by providing direct access to notification information.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The secondary display acts as an intermediary between the notification system and the user. It provides a simplified interface for notification review and selection without requiring full application execution or complex navigation, thus reducing computing resource consumption while improving ease of operation by presenting only essential notification information.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If the device activates full applications for notification handling, then functionality is complete, but battery power consumption increases

Engineering Contradiction:
Improvenotification handling functionalityVSAvoidbattery power consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The system performs only the necessary partial action of displaying notification information and allowing selection on the secondary display, rather than activating the full application. This partial action provides sufficient functionality for notification awareness and selection while consuming significantly less battery power, resolving the contradiction between adaptability and energy consumption.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The secondary display provides self-service notification preview and selection capabilities without requiring the resource-intensive main application to be activated. The system serves the notification function independently on the secondary display, reducing battery power consumption while maintaining essential notification handling functionality.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP2068537B1System and method for event-dependent state activation for a mobile communication device
Publication Date: 2011.07.13 BLACKBERRY LTD
  • EP2068537B1 patent drawingFigure 1
  • EP2068537B1 patent drawingFigure 2
  • EP2068537B1 patent drawingFigure 3

AI summary

A method for event-dependent state activation for a mobile communication device, the device having an opened configuration and a closed configuration, the device having a primary display visible in the opened configuration and a secondary display visible in the closed configuration.