Dual Remote Auto Diagnostics With Continuous Technician Feedback

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Solution Overview

Problem

Existing remote automobile diagnosis technologies lack comprehensive and reliable diagnosis data, and users are unable to diagnose automobiles independently, necessitating additional technical support.

Innovation Solution

A dual remote automobile diagnostic method involving a first diagnostic apparatus that performs local diagnosis, establishes a remote communication link with a target terminal, and sends automobile data to a service device for remote diagnosis, allowing continuous communication and control by repairers to diagnose faults.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If a remote fault diagnostic instrument is connected to an OBD interface to collect and upload parameters to a cloud server, then users can obtain diagnosis and repair suggestion reports, but users cannot complete repairs independently and additional technical support is needed

Engineering Contradiction:
Improvecompleteness of diagnosis dataVSAvoiduser independence in diagnosis
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent introduces a dual remote communication mechanism where a first diagnostic apparatus establishes communication with both the automobile and a target terminal (user's device), while a second diagnostic apparatus communicates with a service device. This intermediary structure enables real-time transmission of diagnosis data and control signals between the automobile, user terminal, and service center, allowing users to independently perform diagnosis while receiving remote technical support when needed.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If users refer to diagnosis reports for self-repair, then some basic repairs may be completed, but comprehensive and reliable diagnosis cannot be achieved without professional support

Engineering Contradiction:
Improveuser ability to perform self-diagnosisVSAvoidaccuracy of diagnosis
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent implements a feedback mechanism where the first diagnostic apparatus receives control signals from the target terminal and executes corresponding diagnosis actions on the automobile. The results are transmitted back to the service device through the dual remote communication links. This closed-loop feedback system allows users to perform diagnosis operations independently while professional technicians can monitor and guide the process in real-time, ensuring both user independence and diagnostic reliability.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The first diagnostic apparatus serves as an intermediary device that bridges the gap between the user's terminal and the automobile, enabling users to control the diagnosis process remotely. Simultaneously, it maintains communication with the second diagnostic apparatus and service device, ensuring professional oversight. This dual communication capability allows users to perform self-diagnosis with the confidence of having expert support available.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Device complexity

If a single remote communication link is used between the diagnostic apparatus and the terminal, then communication is simplified, but continuous communication and control during diagnosis cannot be maintained

Engineering Contradiction:
Improvecommunication system structureVSAvoidcontinuity of communication during diagnosis
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent segments the communication system into two independent remote communication links: one between the first diagnostic apparatus and the target terminal, and another between the second diagnostic apparatus and the service device. This segmentation allows each communication channel to operate independently, ensuring that diagnosis data transmission and control signal transmission can proceed simultaneously without interference, maintaining continuous and reliable communication throughout the diagnosis process.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4141822B1Dual remote automobile diagnostic method, apparatus and computer equipment
Publication Date: 2026.01.21 THINKCAR TECH CO LTD
  • EP4141822B1 patent drawingFigure 1
  • EP4141822B1 patent drawingFigure 2
  • EP4141822B1 patent drawingFigure 3

AI summary

The present application relates to remote diagnosis, and discloses a dual remote automobile diagnostic method, system, apparatus and a computer equipment. By establishing a remote communication connection with a target terminal, the second diagnostic apparatus obtains automobile data received by the service device while the first diagnostic apparatus is in continuous communication connection with the target terminal, so that the second diagnostic apparatus can perform remote diagnosis of the automobile. The target terminal can also directly perform remote control on the first diagnostic apparatus, so that the first diagnostic apparatus can diagnose faults of an automobile under the control of the target terminal. Namely, the faults can be diagnosed using the dual remote diagnostic method, so that there is no need to drive the automobile to the repair shop for professional maintenance. For local diagnosis or single-remote diagnosis, a continuous remote communication may be carried out during the remote diagnosis process, thereby allowing a higher efficiency of remote communication.