Integrated Electronic Door Assembly With Wired Lock and Camera

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Solution Overview

Problem

Existing door systems lack integrated solutions for secure, efficient, and technologically advanced control of entry, lighting, communication, and privacy features.

Innovation Solution

An electronic door system that includes a door frame, a hingedly coupled door, an electronic locking mechanism, integrated lights, a video doorbell with camera, proximity or motion sensor, and a user interface, all connected by a wiring harness that can be powered externally.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple electronic components (locking mechanism, lights, camera system, video doorbell, user interface, backup battery) are integrated into the door system, then security and functionality are improved, but device complexity increases

Engineering Contradiction:
ImprovesecurityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates multiple electronic components (locking mechanism, lights, camera system, video doorbell, user interface, and backup battery) into a single door system assembly. These components are physically and electrically combined within the door structure, allowing them to function as a unified security system rather than separate installations.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The door system is designed to perform multiple functions simultaneously: security locking, illumination, video monitoring, communication, and power backup. This multi-functional approach consolidates what would traditionally require separate devices into one integrated system, improving overall security while managing complexity through unified design.

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

2Reliability

If a wiring harness is extended through the door frame and door to connect all components, then electrical connectivity is improved, but ease of manufacture decreases

Engineering Contradiction:
Improveelectrical connectivityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The wiring harness is divided into separate sections that can be independently routed through different components (door frame, door, side panel). This segmentation allows each section to be installed separately during manufacturing or assembly, reducing the overall complexity compared to installing one continuous harness through all components simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wiring harness acts as an intermediary element that facilitates electrical connectivity between components without requiring direct integration of each component's internal wiring. This mediator approach simplifies manufacturing by providing a standardized connection method that can be adapted to different component configurations.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If integrated lighting and camera systems are added to the door, then user convenience is improved, but use of energy increases

Engineering Contradiction:
Improveuser convenienceVSAvoidenergy consumption
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The integrated lights and camera system operate periodically or on-demand rather than continuously. The system can be activated by motion detection, doorbell signals, or user requests, consuming energy only when needed for illumination or monitoring, thereby reducing overall energy consumption while maintaining user convenience.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system incorporates automatic activation features where the lights and camera are triggered by sensors detecting motion, approach, or doorbell events. This self-service capability eliminates the need for continuous operation, as the components automatically activate only when environmental conditions or user actions indicate their need, optimizing energy usage.

Inventive Principle:
Principle #25Self-service

4Reliability

If a backup battery is integrated into the door system, then reliability during power outages is improved, but device complexity increases

Engineering Contradiction:
Improvepower supply reliabilityVSAvoidpower system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The backup battery is integrated into the door system to provide advance power储备 before a power outage occurs. This beforehand cushioning ensures that critical functions (locking mechanism, communication) remain operational during power failures, improving reliability without requiring complex external backup solutions.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The backup battery is physically and electrically combined with the main power system within the door assembly. This merging creates a unified power architecture where the battery automatically interfaces with existing components, providing power backup functionality while minimizing additional complexity compared to separate backup systems.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20250140046A1Electronic door system
Publication Date: 2025.05.01 THERMA TRU CORP
  • US20250140046A1 patent drawing
  • US20250140046A1 patent drawing
  • US20250140046A1 patent drawing

AI summary

An electronic door system includes a door frame, a door hingedly coupled to the door frame, an electronic locking mechanism coupled to the door, one or more lights coupled to the door frame, a camera system including at least two of a camera, a proximity or motion sensor, or a doorbell, and a wiring harness extending through the door frame and the door. The wiring harness is coupled to the electronic locking mechanism, the one or more lights, and the camera system. The wiring harness is configured to electrically couple to an external power source.