Locked Function Usage Accumulator for Mobile Device Access Control
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Solution Overview
Problem
Mobile communications devices often require password input to access applications, which can be inconvenient when needing to use features like the camera quickly without compromising security.
Innovation Solution
Implementing a locked function usage accumulator that allows temporary access to device functions, such as the camera, without entering a password, by tracking usage limits and allowing functions within predetermined limits or time frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If password input is required to access device applications, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The patent segments the device access control into two distinct modes: a locked mode requiring password authentication for full access, and an unlocked mode allowing limited function access without password. This segmentation resolves the contradiction by allowing the camera function to operate independently in the unlocked mode, improving ease of operation while maintaining security through the locked mode for other applications.
Solution Approach 2:
The patent implements partial action by allowing limited use of the camera function without requiring full password authentication. Instead of requiring complete authentication for all device functions, the system permits partial access to specific functions (camera) in the unlocked mode, thereby improving ease of operation while maintaining adequate security through the locked mode for sensitive operations.
2Reliability
If locked mode is implemented to prevent unauthorized access, then security is improved, but productivity deteriorates
Solution Approach 1:
The patent divides device functionality into locked and unlocked modes, allowing the camera application to operate productively in the unlocked mode without requiring password authentication. This segmentation maintains security for sensitive operations while enabling quick, productive use of the camera function when the device is in unlocked mode.
Solution Approach 2:
The system allows partial access to camera functions without full authentication, enabling productive photography and video recording operations in the unlocked mode. This partial action approach maintains security through the locked mode while improving productivity for time-sensitive camera operations.
Data Source
AI summary
A mobile communications device can have a locked mode in which the mobile communications device is protected against unauthorized use. A mobile communications device includes device applications implemented by a software program or firmware program that enables an application to be temporarily operable or operable under certain conditions when the mobile communications device is locked. Device applications can include a camera enabled for image data acquisition and a microphone or an audio recorder or a microphone and an audio recorder enabled for audio data acquisition. Acquired image data and audio data can be stored locally to the mobile communications device or stored externally to the mobile communications device. The mobile communications device can be configured to operate applications under different conditions. The mobile communications device can be configured to display a message that applications have been operated while the mobile communications device was locked or in a locked mode.