Limit Gauge Measurement Alerts for Hands-Free Range Checking
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Solution Overview
Problem
Conventional electrical measurement devices require users to repeatedly look at the display screen to determine if measured values are within acceptable ranges, leading to user fatigue, discomfort, and increased risk of measurement and recording errors, especially in scenarios involving repeated measurements.
Innovation Solution
An electrical measurement device that automatically alerts users via sound, light, or vibration based on whether measured values are within a specified range, eliminating the need for direct visual inspection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users repeatedly look at the display screen to check measured values, then measurement accuracy can be verified, but user fatigue increases and measurement errors risk increases
Solution Approach 1:
The patent implements an automated feedback mechanism where the measurement device automatically compares measured values against reference ranges and provides immediate feedback through alerts (visual, auditory, or haptic) when values are out of range. This eliminates the need for users to repeatedly check the display, reducing fatigue while maintaining measurement verification reliability.
Solution Approach 2:
The measurement device performs self-evaluation by automatically determining whether measured values fall within acceptable ranges without requiring user intervention. The device serves itself by generating and presenting measurement results and range compliance information autonomously, freeing users from repetitive visual inspection tasks.
2Reliability
If users visually inspect each measurement, then they can determine if values are within range, but measurement efficiency decreases due to repeated viewing
Solution Approach 1:
The system provides immediate automated feedback after each measurement, comparing the measured value against the reference range and instantly alerting the user if the value is out of range. This eliminates the need for repeated visual inspections and significantly improves measurement efficiency while maintaining reliable range verification.
Solution Approach 2:
The device performs preliminary evaluation of measurement compliance against reference ranges automatically and in real-time, before the user needs to assess the measurement. This advance self-assessment action streamlines the measurement process and improves productivity by eliminating post-measurement verification delays.
3Measurement precision
If the device provides detailed measurement information on display, then measurement precision is maintained, but user attention is consumed by repeated visual checks
Solution Approach 1:
The patent implements multi-mode feedback (visual display, auditory alerts, haptic notifications) that conveys measurement precision information through different channels. This allows users to receive detailed measurement information without requiring repeated visual attention, as the device can alert users to out-of-range conditions through auditory or haptic signals while maintaining precise measurement data availability.
Data Source
AI summary
A measurement device is disclosed, which may include or wirelessly connected to sensors or sensing devices for sensing an electrical property. The measurement device can receive user input, e.g., from physical UI components, to set a reference range of values and measures the electrical property of a device under test. Under a limit gauge operation mode, if the measured value is outside the reference range, the measurement device can produce an alert to notify its users.


