Dynamic Handsfree Privacy Switch for Communication Devices
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Solution Overview
Problem
Existing communication systems for portable electronic devices struggle to determine whether an intended person is present and available for a call, especially in environments where privacy is a concern, such as homes with multiple users and varying device locations.
Innovation Solution
The system employs a network of communication devices with audio and video acquisition units, sensors, and a server that uses speech recognition, face recognition, and near-field communication to identify the intended person and establish an optimal communication route, allowing handsfree or non-handsfree communication based on the presence of others.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a nonportable communication device is used for handsfree communication, then convenience is improved, but privacy is compromised when other people are present
Solution Approach 1:
The system dynamically switches between handsfree and non-handsfree communication modes based on real-time detection of surrounding people. When no one is detected nearby, the system enables handsfree mode for convenience. When people are detected, it automatically transitions to non-handsfree mode (transferring the call to the portable device) to protect privacy. This dynamic adaptation resolves the contradiction between convenience and privacy.
Solution Approach 2:
The system continuously monitors the environment using sensors (camera, microphone, proximity sensors) to detect the presence of other people. This feedback information is used to automatically adjust the communication mode. The feedback loop ensures that privacy is maintained by detecting when others are present and switching to a private communication mode, while still providing handsfree convenience when appropriate.
2Object-affected harmful factors
If the system continuously monitors the environment to detect presence of others, then privacy protection is improved, but energy consumption increases
Solution Approach 1:
Instead of continuous monitoring, the system uses periodic detection at key moments (when a call is received or initiated). The sensors are activated only when needed to determine communication mode, rather than running continuously. This periodic action maintains privacy protection capability while significantly reducing energy consumption compared to continuous monitoring.
Solution Approach 2:
The system uses multiple sensors (camera, microphone, proximity sensors) but activates them selectively based on the situation. Not all sensors are activated at all times - only the necessary ones are used when detection is required. This partial action approach provides sufficient privacy protection while minimizing energy usage by avoiding unnecessary sensor activation.
3Measurement precision
If multiple sensors and recognition systems are deployed, then accuracy of presence detection is improved, but device complexity increases
Solution Approach 1:
The system combines multiple detection methods (camera-based face recognition, microphone-based voice detection, proximity sensor detection) into a unified presence detection system. By merging these different sensing approaches, the system achieves high accuracy in detecting whether others are present without requiring each individual sensor to be overly complex. The combined approach leverages the strengths of each sensor type while sharing processing resources.
Solution Approach 2:
The deployed sensors serve multiple functions: the camera is used for both communication video and presence detection, the microphone serves for both voice communication and voice-based presence detection, and proximity sensors help determine spatial relationships. This multi-functionality reduces the need for dedicated specialized hardware, thereby managing complexity while maintaining high detection accuracy through versatile use of existing components.
Data Source
AI summary
According to one embodiment, an electronic apparatus capable of communicating with a second electronic apparatus of a first user, the electronic apparatus, the electronic apparatus includes a receiver, electronic circuitry, a speaker and a transmitter. The electronic circuitry configured to determine whether the sound of the second user is output by the electronic apparatus or the second electronic apparatus, using at least one of an image of around the first user and sound of around the first user. The speaker configured to output the sound of the second user, is output by the electronic apparatus. The transmitter configured to transmit the signal of the sound of the second user to the second electronic apparatus, is output by the second electronic apparatus.