3D Authentication Bezel for Secure Conferencing Access

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Solution Overview

Problem

Existing biometric authentication methods for hardware devices lack the same level of security and efficiency as password-based credentials, especially in hybrid hoteling models where workspace management systems are needed for secure user presence verification and resource configuration.

Innovation Solution

A conferencing device with a bezel cover that includes an electrochromatic region and a three-dimensional object encoded with symbology, combined with a LIDAR camera and QR-code authentication, enables secure user verification and resource management through a remote cloud server.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional password-based authentication is used for hardware devices, then ease of operation is maintained, but security is insufficient for hybrid hoteling models

Engineering Contradiction:
Improveauthentication securityVSAvoidauthentication complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces traditional password-based mechanical authentication with biometric authentication (fingerprint, facial recognition, iris scanning) to enhance security while maintaining ease of operation. The biometric sensor captures user biological data and compares it against stored templates, providing secure authentication without requiring users to remember complex passwords.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent creates a digital copy of the user's biometric data (fingerprint pattern, facial features, or iris structure) and stores it as an authentication template. This copy allows for rapid comparison and verification without requiring the physical presence of the original biometric trait during each authentication event, thus maintaining ease of operation while enhancing security.

Inventive Principle:
Principle #26Copying

2Reliability

If biometric authentication is implemented for hardware devices, then authentication security is improved, but device complexity increases

Engineering Contradiction:
Improveauthentication securityVSAvoidauthentication system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates the biometric sensor, processing unit, and storage memory directly into the hardware device itself, merging multiple authentication components into a single unified system. This integration reduces overall system complexity compared to using separate authentication devices, while still providing enhanced security through biometric verification.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hardware device performs biometric authentication independently using its own integrated sensor, processing unit, and storage memory. The device captures the biometric data, processes it through the authentication algorithm, and verifies it against stored templates without requiring external authentication servers or additional equipment, thus managing complexity self-sufficiently.

Inventive Principle:
Principle #25Self-service

3Productivity

If workspace resource configuration is manual, then ease of operation is maintained, but productivity is reduced in hybrid hoteling models

Engineering Contradiction:
Improveworkspace setup efficiencyVSAvoidautomated configuration complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent pre-configures workspace resources (display settings, audio devices, video conferencing parameters, network connections) based on the authenticated user's profile before the user arrives. The system automatically detects the user's identity through biometric authentication and retrieves their preferred configuration settings, applying them proactively to reduce setup time and enhance productivity.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements an automated feedback loop where the system continuously monitors workspace usage patterns and user preferences, then automatically adjusts resource configurations accordingly. The system learns from user behavior and makes intelligent adjustments to workspace settings, improving productivity while managing complexity through adaptive automation rather than rigid predefined rules.

Inventive Principle:
Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances security and efficiency in authenticating user presence and managing workspace resources by leveraging three-dimensional object encoding and electrochromatic bezel technology, ensuring secure and seamless access to hardware resources.

Implementation Method 1

a bezel cover that includes an electrochromatic region and a three-dimensional object encoded with symbology

Methodology Applied
Scientific EffectElectrochromism: Electrochromism

Implementation Method 2

Three-dimensional imagers, ubiquitously available on consumer-grade mobile user devices, sometimes known as light detection and ranging (LiDAR) sensors, can be used to capture point depth information of objects or an area by illumination with an optical beam and by analyzing the reflected optical beam

Methodology Applied
Scientific EffectLight detection and ranging (LIDAR): LIDAR

Implementation Method 3

A commonly used technique to determine the distance to each point on the target involves projecting an optical beam towards the target, followed by the measurement of the round-trip time, i.e., Time-of-flight (ToF), taken by the optical beam as it travels from the source to target and back to a detector adjacent to the source

Methodology Applied
Scientific EffectTime-of-flight: Time of Flight

Data Source

PatentUS20250365582A1Conferencing device using three-dimensional data object for multifactor authentication
Publication Date: 2025.11.27 CRESTRON ELECTRONICS INC
  • US20250365582A1 patent drawing
  • US20250365582A1 patent drawing
  • US20250365582A1 patent drawing

AI summary

A conferencing device includes an outer enclosure and a display screen housed within the outer enclosure. A region of controlled light transmission is formed in the outer enclosure and is configured to selectively block light or allow light to pass through the region. A three-dimensional (3D) object, in which information is encoded in accordance with a symbology that employs all three dimensions of features that comprise the 3D object, is located beneath the region of controlled light transmission. The 3D object is thereby selectively hidden or revealed by the region of controlled light transmission.