Lock Screen Camera Access Through Restricted Sessions
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Solution Overview
Problem
Existing methods for accessing applications on locked, passcode-protected electronic devices are slow and cumbersome, hindering quick usage, particularly when immediate access is desired, such as during fleeting moments for capturing images or videos.
Innovation Solution
Implementing a touch-sensitive interface on electronic devices that allows direct access to specific applications, such as a camera, by recognizing predefined gestures on a lock screen, bypassing the need for a passcode entry, while maintaining device security through restricted sessions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the device requires passcode entry to access applications while locked, then device security is maintained, but access speed and user efficiency deteriorate
Solution Approach 1:
The patent segments the application access process into two distinct paths: a full authentication path for general access and a gesture-based quick access path for authorized operations. The lock screen is divided into different interactive regions, with specific gesture zones that trigger application launch without requiring passcode entry, thereby resolving the contradiction between security and access speed.
Solution Approach 2:
The system performs preliminary authentication through gesture recognition before full application access is needed. By pre-establishing gesture patterns as authorized access methods, the system enables quick application launching without requiring the user to go through the complete passcode entry process each time, thus improving access speed while maintaining security through the gesture barrier.
2Reliability
If multiple steps are required to access applications on a locked device, then security is enhanced, but ease of operation deteriorates
Solution Approach 1:
The patent extracts the passcode entry requirement from the application access process for gesture-authenticated operations. By separating the gesture recognition mechanism from the passcode authentication flow, the system allows users to access applications through simple gestures without the burden of multiple authentication steps, significantly improving ease of operation while maintaining security through gesture-based authorization.
Solution Approach 2:
Instead of requiring users to enter a passcode to prove authorization before accessing applications, the system inverts the approach by using gesture patterns as the primary authentication method. The passcode entry interface is removed from the quick access path, and authorization is granted through recognized gesture sequences, making the operation much easier while maintaining security through the inverted authentication paradigm.
3Loss of time
If the device enters a restricted session for quick application access, then access speed improves, but device complexity increases
Solution Approach 1:
The system implements self-service session management where the restricted session automatically activates when a recognized gesture is detected and automatically deactivates when the application is closed or the gesture is cancelled. The session state is automatically tracked and managed by the system without requiring user intervention to enter or exit the restricted mode, reducing the perceived complexity for users while enabling fast access.
Data Source
AI summary
A device with a touch sensitive display and a plurality of applications, including a camera application, while the device is in a locked, passcode-protected state: displays a lock screen interface, the lock screen interface including a camera access indicia; detects a gesture; in response to a determination that the gesture starts on the camera access indicia: ceases to display the lock screen interface; starts a restricted session for the camera application; displays an interface for the camera application, without displaying a passcode entry interface; and maintains the device in the locked, passcode-protected state for the applications other than the camera application; and in response to a determination that the gesture starts at a location other than the camera access indicia: displays a passcode entry interface, wherein in response to entry of a correct passcode in the passcode entry interface, the device enters an unlocked state.