Mobile Privacy Guidance Using Surveillance Camera Mapping

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Solution Overview

Problem

The challenge of protecting mobile device privacy in public spaces where surveillance cameras are prevalent, as users often unintentionally expose sensitive information due to unawareness of their surroundings.

Innovation Solution

A method and system that utilizes a surveillance camera mapping to detect nearby cameras, notify users of potential exposure, guide them to alternate locations away from cameras, and enable secure device access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users access mobile devices in public spaces, then device functionality and information access are improved, but privacy exposure risk increases due to surveillance cameras

Engineering Contradiction:
Improvedevice accessibilityVSAvoidprivacy exposure risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary detection of surveillance cameras in the user's location before allowing device access. By proactively identifying camera positions and notifying users in advance, the system enables users to make informed decisions about device usage safety, preventing privacy exposure before it occurs

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary layer between the user and the surveillance environment. This intermediary (the privacy protection system) detects camera positions, assesses risk levels, and provides guidance to safe zones, mediating the interaction between users and potential privacy threats without requiring users to directly understand or navigate complex surveillance layouts

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If surveillance cameras are deployed in public spaces, then security monitoring capability is improved, but user privacy protection deteriorates

Engineering Contradiction:
Improvesecurity monitoring capabilityVSAvoidprivacy exposure risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system establishes a feedback loop where surveillance camera locations are detected and mapped, this information is processed to identify safe zones, and feedback is provided to users through notifications and guidance. This feedback mechanism transforms the potentially harmful surveillance environment into a controllable situation where users can make informed privacy decisions

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system converts the presence of surveillance cameras from a purely harmful factor into a beneficial one by using camera location data to create privacy protection functionality. The same surveillance infrastructure that poses privacy risks is leveraged to provide users with location-aware privacy guidance, turning the threat into a protective mechanism

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Object-affected harmful factors

If users are notified about surveillance cameras and guided to alternate locations, then privacy protection is improved, but time and operational efficiency deteriorate

Engineering Contradiction:
Improveprivacy exposure riskVSAvoiddevice access time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The system applies partial action by providing targeted privacy protection only when and where needed, rather than requiring users to constantly relocate or undergo extensive verification processes. By identifying specific safe zones and providing directional guidance, the system achieves adequate privacy protection with minimal disruption to normal device usage patterns

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS12549940B2Mobile device privacy protection in public spaces
Publication Date: 2026.02.10 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US12549940B2 patent drawing
  • US12549940B2 patent drawing
  • US12549940B2 patent drawing

AI summary

A method for controlling user device privacy protection in a public space. In response to receiving an attempt to log-on to a user device in a location, the method accesses a surveillance camera mapping for the location. The method further detects one or more surveillance cameras within a proximity of the user device and notifies a user about the proximity and potential exposure of the user device, based on the detected one or more surveillance cameras. The method prompts the user to receive guidance to an alternate location, within the proximity, to access the user device away from the one or more surveillance cameras and guides the user to the alternate location using the surveillance camera mapping, in response to receiving an affirmative response from the user. The method further enables the user to complete the log-on to the user device.