BCC Enabled Device Usability and Security
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Solution Overview
Problem
The increasing trend of using smaller devices like phones and tablets in office and public environments leads to usability and security challenges when temporary larger screens are used, as users face difficulties in finding necessary information quickly and there is a risk of credentials being stored on untrusted public screens.
Innovation Solution
The implementation of Body Coupled Communication (BCC) enables users to make selection indications on screens using personal communication devices, allowing for secure and personalized interactions without storing credentials on the screen, by sending and receiving signals through touch, mouse, or keyboard inputs, ensuring secure access to applications and settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If users use temporary public screens in office and public environments, then screen availability and flexibility are improved, but security risk increases due to potential credential storage on untrusted screens
Solution Approach 1:
The patent extracts sensitive credential data from the public screen environment and relocates it to the user's personal device. The system detects when a user logs in to a service on a public screen, then automatically transfers the credentials to the user's personal device via BCC communication, ensuring credentials never remain stored on the untrusted public screen.
Solution Approach 2:
The patent introduces a intermediary system that mediates between the public screen and the user's personal device. This intermediary detects login actions, establishes secure BCC communication channels, and facilitates automatic credential transfer, acting as a protective layer that prevents direct credential storage on public screens.
2Ease of operation
If users use temporary public screens, then device portability is improved, but usability deteriorates as users face difficulties in finding necessary information quickly
Solution Approach 1:
The patent performs preliminary actions by automatically detecting user intent and pre-transferring credentials before the user needs to use them again. When a user logs in to a service on a public screen, the system proactively captures and transfers the credentials to the personal device, so when the user needs to access the same service later, the information is already available immediately.
Solution Approach 2:
The patent implements feedback mechanisms where the system monitors user interactions with public screens, detects login actions, and provides automatic credential transfer responses. The system continuously monitors for new login actions and maintains an updated credential store on the personal device, providing real-time feedback about available services and credentials.
Data Source
AI summary
The present disclosure provides for a methods and devices for interaction with one or several users, where each user carries at least one personal communication device which is Body Coupled communication, BCC, enabled. A communication device comprises screen which displays information comprising user interface components and the communication device comprises a BCC enabled selection indication means and the users uses the selection indication means to make selection indications of user interface components. A method of the communication device comprises registering a selection indication, determining the position of the selection indication, identifying a user interface component associated with the position, sending a BCC send signal through the selection indication means comprising a first information associated with the identified user interface component, receiving a BCC response from a personal communication device, comprising a second information associated with the identified user interface component and initiating an action based on the second information.