Optical Sensor Module for Electronic Device Test Connection Confirmation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional electronic device test systems often misjudge correctly connected devices as faulty, leading to unnecessary retesting, increased energy and manpower costs, and inefficient production line control due to lack of connection confirmation.
Innovation Solution
An electronic device test system incorporating a test computer, scanning device, and optical sensor module to confirm device connection before testing, using a light emitting and receiving element to detect connection status and generate retest rates and first pass yields for precise production line control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the test system starts testing without connection confirmation, then the testing speed is improved, but the test accuracy deteriorates due to misjudgment of connected devices
Solution Approach 1:
The optical sensor module performs connection confirmation before the test function is executed. The sensor detects whether the electronic device is properly connected to the test computer via optical signals, and only after confirmation does the system proceed with testing. This preliminary action prevents misjudgment of unconnected devices while maintaining efficient testing flow.
2Measurement precision
If connection confirmation is added before testing, then the test accuracy is improved, but the device complexity increases
Solution Approach 1:
An optical sensor module is introduced as an intermediary component between the electronic device and the test computer. This module uses optical fields to detect connection status without requiring complex electrical connections or software protocols. The optical sensor simply detects the presence or absence of optical signals, providing a simple yet effective connection confirmation mechanism.
3Reliability
If retesting is performed for suspected faulty products, then the test reliability is improved, but the energy consumption increases
Solution Approach 1:
The optical sensor module performs preliminary anti-action by preventing false positive test results before they occur. By confirming connection status before testing, the system avoids misidentifying unconnected devices as faulty, thereby eliminating the need for unnecessary retesting. This preliminary prevention reduces both the retest rate and associated energy consumption while maintaining high test reliability.
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
Reduces erroneous test results and retesting frequency, lowering energy and manpower costs while improving production line efficiency and accuracy by ensuring correct device connection before testing and calculating retest rates and first pass yields.
Implementation Method 1
an optical sensor module, configured to detect a connection status of the electronic device and the test computer
Implementation Method 2
the optical sensor module includes a light emitting element and a light receiving element
Data Source
AI summary
An electronic device test system is configured to test functions of an electronic device. The electronic device test system includes: a test computer, configured to execute an electronic device test program; a scanning device, configured to scan a barcode number of the electronic device; and an optical sensor module, configured to detect a connection status of the electronic device and the test computer. When the optical sensor module confirms the connection status, the electronic device test program starts a test function to test the electronic device, records a test result of the electronic device according to the barcode number, and subsequently generates a retest rate according to the test result.