Privacy Indicator System for Sensor Data Status

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Solution Overview

Problem

Current systems fail to clearly indicate when digital recording devices, such as web cameras and microphones, are monitoring an environment for gestures or voice commands and transmitting data, making it difficult for users to determine their privacy status, especially regarding data usage compliance with privacy policies.

Innovation Solution

A system that includes a sensor, a processor, and a privacy indicator, where the processor compares commands generated by sensors to a library of known commands, changing the privacy indicator's state based on compatibility with privacy policies, preventing unauthorized data access and transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a simple power indicator LED is used to show device status, then the device complexity is reduced and ease of operation is improved, but the indicator cannot provide sufficient privacy information about data usage and transmission status

Engineering Contradiction:
Improveuser ability to determine privacy statusVSAvoidprivacy status information
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The indicator system is segmented into multiple independent LED indicators, each serving a specific privacy-related function: power status, monitoring state, and data transmission state. This segmentation allows each indicator to provide specific information without requiring a complex single indicator, thus improving information provision while maintaining operational simplicity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs color changes in LED indicators to convey different privacy states. Different colors represent different privacy conditions (e.g., green for private, red for transmitting), enabling users to quickly understand privacy status at a glance without complex interfaces, thereby improving ease of operation while reducing information loss.

Inventive Principle:
Principle #32Color changes

2Reliability

If the system continuously monitors and indicates privacy status, then privacy protection is improved, but the device complexity and energy consumption increase

Engineering Contradiction:
Improveprivacy protection reliabilityVSAvoidprivacy monitoring system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system employs periodic action by only activating privacy indicators when specific conditions are met (e.g., when data transmission occurs or monitoring is active). Rather than continuous monitoring and indication, the system periodically checks for privacy-relevant events and updates indicators accordingly, reducing complexity while maintaining reliable privacy protection.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The privacy indicator system is integrated directly into the sensor device, allowing the device to self-monitor and self-indicate its privacy status without requiring external complex monitoring systems. The sensor device itself generates and displays privacy information, reducing overall system complexity while ensuring reliable privacy protection.

Inventive Principle:
Principle #25Self-service

3Loss of information

If detailed privacy indicators are implemented to show data usage status, then privacy information completeness is improved, but the ease of operation deteriorates due to information overload

Engineering Contradiction:
Improveprivacy status information completenessVSAvoiduser interpretation of privacy status
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

Each LED indicator is assigned a specific local quality or function: one indicator specifically for power status, another for monitoring state, and another for data transmission. This localization of information function allows users to understand privacy status by observing specific indicators for specific conditions, improving information completeness while maintaining ease of interpretation through functional specialization.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP2915089B1Privacy aware camera and device status indicator system
Publication Date: 2022.05.11 GOOGLE LLC
  • EP2915089B1 patent drawingFigure 1~2
  • EP2915089B1 patent drawingFigure 3
  • EP2915089B1 patent drawingFigure 4A~4C

AI summary

A privacy indicator is provided that shows whether sensor data are being processed in a private or non-private mode. When sensor data are used only for controlling a device locally, it may be in a private mode, which may be shown by setting the privacy indicator to a first color. When sensor data are being sent to a remote site, it may be in a non-private mode, which may be shown by setting the privacy indicator to a second color. The privacy mode may be determined by processing a command in accordance with a privacy policy of determining if the command is on a privacy whitelist, blacklist, greylist or is not present in a privacy command library. A non-private command may be blocked.