Dual-Screen Portable Device Unlock Control Logic
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Solution Overview
Problem
Portable devices with double-sided displays face challenges in user convenience due to limited screen real estate and the need for separate unlocking mechanisms for each display unit, leading to potential power consumption and erroneous operations from unintended touch inputs.
Innovation Solution
A method for controlling a portable device with first and second display units involves detecting unlock commands and triggers using sensors like touch, gravity, and motion sensors to switch between locked, ready-to-activate, and active states, optimizing power usage and preventing erroneous operations by activating only necessary display components when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a double-sided display portable device includes two display units, then user convenience is increased, but the need to provide separate unlocking mechanisms for each display unit increases complexity and potential for erroneous operations
Solution Approach 1:
The patent combines the unlocking control of both display units into a single unified mechanism. The controller detects unlock commands from either the first or second display unit and coordinates the state switching of both displays through one control logic, eliminating the need for separate unlocking mechanisms and reducing operational complexity.
Solution Approach 2:
The unlock command detection mechanism is designed to be universal, accepting unlock inputs from either display unit and treating them equivalently. The same controller and control logic handle unlocking requests from both the first and second display units, providing a multi-functional unlocking system that reduces complexity while maintaining ease of operation.
2Reliability
If display units are kept in locked state to prevent erroneous operations, then reliability is improved, but user access to display functionality is delayed
Solution Approach 1:
The controller is pre-configured with control logic that automatically responds to unlock commands from either display unit. When an unlock command is detected, the controller immediately executes the coordinated state switching without requiring additional processing or user actions, thus preventing erroneous operations while minimizing activation time.
Solution Approach 2:
The system implements feedback through the controller that continuously monitors unlock commands from both display units. Upon detecting an unlock command, the controller provides immediate feedback by coordinating the state switching of both displays, ensuring reliable operation while reducing the time delay between user input and display activation.
3Ease of operation
If both display units are activated simultaneously, then user convenience is improved, but power consumption increases
Solution Approach 1:
The patent segments the display activation process by allowing independent control of the first and second display units through separate unlock commands. The controller evaluates which display unit received the unlock command and activates only the necessary display unit(s), preventing unnecessary power consumption while maintaining user convenience through selective activation.
Solution Approach 2:
The system implements partial action by activating only the display unit(s) that require access based on the received unlock command. Instead of always activating both display units, the controller activates only the necessary portion (one or both displays) based on user intent, reducing power consumption while maintaining full functionality when needed.
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
The solution enables efficient power management and prevents unintended operations by allowing simultaneous or sequential unlocking of display units based on user intent, enhancing user convenience and reducing power consumption.
Implementation Method 1
activating a light emitting element of the second display unit when the portable device has been rotated by a first threshold angle
Implementation Method 2
activating a touch sensor of the second display unit when the portable device has been rotated by a second threshold angle that is equal to or greater than the first threshold angle
Data Source
AI summary
A method for controlling a portable device including first and second display units at opposing surfaces of the portable device. The method includes detecting one of a first unlock command for switching a state of the first display unit to an active state and maintaining a state of the second display unit in a locked state or a second unlock command for switching the state of the first display unit to the active state and switching the state of the second display unit to a ready-to-activate state; switching the state of the first display unit to the active state and switching the state of the second display unit to the ready-to-activate state when the second unlock command is detected; detecting an unlock trigger for switching the second display unit, which is in the ready-to-activate state, to the active state; and switching the second display unit, which is in the ready-to-activate state, to the active state according to the detected unlock trigger.