Communication Module Self-Diagnosis for Signal Path Failure Detection

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Solution Overview

Problem

Current methods for detecting communication circuit failures in electronic devices require external measuring equipment, leading to inefficiencies in manufacturing and increased production costs due to the need for assembly and disassembly, as well as the requirement for expensive testing tools.

Innovation Solution

An electronic device is designed with internal components such as connectors, signal paths, antenna ports, and a communication module that allows for the detection of signal path failures without external equipment, using signal amplification and filtering to determine failure based on transmission signal information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If external measuring equipment is used to detect communication circuit failures, then detection accuracy is improved, but device complexity and production cost increase

Engineering Contradiction:
Improvedetection accuracyVSAvoidequipment complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The electronic device performs self-diagnosis by using its own communication module to transmit test signals through its internal signal paths and antennas. The device monitors its own transmission and reception capabilities without requiring external measuring equipment, thereby achieving detection accuracy while eliminating the need for complex external devices.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent introduces a test signal as an intermediary to facilitate self-detection. The communication module transmits test signals that serve as mediators to probe the integrity of signal paths, amplifiers, and antennas, enabling the device to detect failures without direct external measurement instruments.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Difficulty of detecting and measuring

If external measuring equipment is used for failure detection, then detection capability is improved, but manufacturing efficiency deteriorates due to assembly and disassembly requirements

Engineering Contradiction:
Improvedetection capabilityVSAvoidmanufacturing efficiency
Core Design Contradiction:
Difficulty of detecting and measuringVSProductivity

Solution Approach 1:

The self-detection function is integrated into the communication module before final assembly is completed. By performing detection operations during the manufacturing process itself, the system identifies failures early without requiring subsequent disassembly for testing, thereby maintaining detection capability while improving manufacturing efficiency.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The electronic device autonomously performs detection operations during manufacturing without requiring external equipment attachment or disassembly. The communication module executes self-tests on its own components, eliminating the need for repeated assembly and disassembly cycles and thereby improving productivity.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If external measuring equipment is used to detect communication circuit failures, then detection accuracy is improved, but production cost increases due to expensive testing tools

Engineering Contradiction:
Improvedetection accuracyVSAvoidproduction cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The electronic device uses its own communication module and existing hardware components to perform self-detection, eliminating the need to purchase and maintain expensive external measuring equipment. This self-service approach maintains detection accuracy while significantly reducing production costs.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The communication module serves multiple functions: it performs both normal communication operations and self-detection of signal path failures. By making the communication module multi-functional, the system eliminates the need for separate expensive testing equipment while maintaining detection capabilities.

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

4Reliability

If communication circuit failure is detected after assembly, then detection thoroughness is improved, but manufacturing efficiency deteriorates due to required separation for repair

Engineering Contradiction:
Improvedetection thoroughnessVSAvoidmanufacturing efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The self-detection function is executed during the manufacturing process before final assembly and shipment. By performing thorough detection of signal paths, amplifiers, and antennas early in the process, the system identifies failures before they require post-assembly separation and repair, thereby maintaining detection thoroughness while improving manufacturing efficiency.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The communication module continuously monitors its own operation and provides feedback on the status of signal paths and components. This real-time feedback mechanism enables thorough detection of failures during manufacturing without requiring subsequent disassembly, as issues are identified and flagged immediately when they occur.

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

This solution enables the detection of communication circuit failures internally, reducing production costs and improving manufacturing efficiency by eliminating the need for external testing equipment and allowing for pre-assembly failure detection.

Implementation Method 1

a first signal path including an amplifier configured to amplify a signal to be transmitted to the outside of the electronic device

Methodology Applied
Scientific EffectSignal amplification: Magnetic Amplifier

Implementation Method 2

an antenna port electrically connected to the first signal path and the second signal path via a filter circuit

Methodology Applied
Scientific EffectSignal filtering: Filter (electronic)

Data Source

PatentUS11258523B2Electronic device for determining failure of signal path and component, and method for operating same
Publication Date: 2022.02.22 SAMSUNG ELECTRONICS CO LTD
  • US11258523B2 patent drawing
  • US11258523B2 patent drawing
  • US11258523B2 patent drawing

AI summary

Provided are an electronic device for determining failure of a signal path and a component, and a method for operating the electronic device according to various embodiments. The electronic device comprises: at least one connection part for connection to an external device; a first signal path including an amplifier for amplifying a signal transmitted to the outside of the electronic device; a second signal path for obtaining another signal from the outside of the electronic device; an antenna port electrically connected to the first signal path and the second signal path through a filter circuit; and a communication module, wherein the communication module may be configured to transmit a transmission signal through the first signal path to the antenna port, obtain at least a part of the transmission signal through the second signal path, and determine whether the electronic device is defective on the basis of the transmission signal and information associated with at least a part of the transmission signal. Various other embodiments are possible.