Connected Door Hinge Dynamic Access Control

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Solution Overview

Problem

Existing property monitoring systems lack effective control over access to rooms, particularly in scenarios requiring dynamic adjustment based on security modes, alarm conditions, and environmental hazards, such as carbon monoxide levels.

Innovation Solution

Integration of connected door hinges into a monitoring system that receives user input and sensor data to control door opening and closing based on predefined access patterns, disarm codes, and alarm conditions, using a monitor control unit to instruct door hinges to open, close, or lock doors in response to various security modes and detected threats.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If door hinges are integrated into the monitoring system to enable dynamic control of door access, then property security and access control capability are improved, but device complexity increases

Engineering Contradiction:
Improveproperty securityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates door hinge functionality directly into the monitoring system by combining the hinge mechanism with control circuitry and communication modules. This merging allows the hinge to serve dual purposes: its traditional mechanical function of supporting the door and an additional intelligent function of receiving and executing control commands from the monitoring system, thereby improving security without requiring a completely separate control system.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connected door hinge is designed as a multi-functional device that performs both mechanical support and intelligent access control. It can operate in multiple modes including locked, unlocked, and monitored states, and can respond to various triggers such as alarm conditions, carbon monoxide detection, and user codes. This universality allows a single device to handle multiple security scenarios, reducing the need for additional specialized components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple access patterns are configured for different security modes and alarm conditions, then adaptability to different scenarios is improved, but device complexity increases

Engineering Contradiction:
Improveaccess control adaptabilityVSAvoidcontrol logic complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system implements dynamic access control by configuring different access patterns that can be activated based on the current security mode or alarm condition. Instead of a static locked/unlocked state, the hinge can dynamically switch between multiple predefined patterns such as locked during normal operation, unlocked during disarmed mode, or selectively locked during specific alarm conditions. This dynamic behavior allows the system to adapt to various scenarios using a set of pre-configured rules.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent utilizes parameter changes to manage different access patterns by modifying operational parameters such as locked/unlocked state, monitored/unmonitored status, and response to specific triggers. Each access pattern is defined by a unique combination of these parameters, and the system transitions between patterns by changing the active parameter set based on the current security mode or detected condition, enabling versatile control without complex custom logic for each scenario.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10854067B1Connected door hinge
Publication Date: 2020.12.01 ALARM COM INC
  • US10854067B1 patent drawing
  • US10854067B1 patent drawing
  • US10854067B1 patent drawing

AI summary

A computer-implemented method includes receiving a disarm code, comparing, the received disarm code to a stored disarm code, determining that the received disarm code matches the stored disarm code, determining a property access pattern that corresponds to the stored disarm code, that identifies a first group of doors at the property that should be opened, and that identifies a second group of doors at the property that should be closed, providing to each door hinge device on a respective door of the first group, a first instruction to open, providing to each door hinge device on each of the doors of the second group, a second instruction to close, and disarming the monitoring system.