Feature Phone Physical Key Notification Navigation

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Solution Overview

Problem

Feature phones lack an easy-to-operate notification function, making them less convenient compared to smartphones, as they often require complex touch panel operations to transition between screens.

Innovation Solution

Implementing a physical key system on feature phones that allows users to transition from a lock screen to a home screen with a long press and to a notification screen with a short press, enabling simplified navigation through notifications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a touch panel is used for navigation on feature phones, then the device can display notifications similarly to smartphones, but the operation becomes complex and less convenient

Engineering Contradiction:

Improvenotification display capabilityVSAvoidnavigation operation complexity

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical touch panel operation with a button-based input system. The notification operation unit detects button press events (pressing operations) and transitions between the lock screen and notification display based on these mechanical inputs, simplifying the interaction model for feature phones while maintaining notification functionality.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of operation

If simple button operations are implemented on feature phones, then ease of operation is improved, but the notification management functionality is limited compared to smartphones

Engineering Contradiction:

Improvebutton operation simplicityVSAvoidnotification management capability

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The notification operation unit is designed to handle multiple notification-related functions through a unified button-based interface. It can transition from lock screen to notification display, manage notification selections, and coordinate with the display control unit to present various notification states, thereby providing comprehensive notification management capabilities through simple button operations.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9998589B2Mobile phone for unlocking a lock screen by a physical key press

Publication Date: 2018.06.12 KYOCERA CORP

AI summary

This feature phone type mobile phone includes a physical key and a display that displays a lock screen. While displaying a notification on the lock screen, the mobile phone transitions to a screen corresponding to the notification in response to a short press operation on the physical key, and while displaying a notification on the lock screen, the mobile phone transitions to a home screen in response to a long press operation on the physical key.