Electronic Device Speed Measurement Correction

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Solution Overview

Problem

Existing electronic devices face challenges in accurately measuring speed due to variations in sensor types and methods, leading to inconsistencies and errors in speed calculations.

Innovation Solution

The electronic device employs a method that includes a first and second sensor to measure speed, with a processor calculating correction parameters based on the measurements from both sensors to adjust and improve the accuracy of subsequent speed readings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple different sensor types are used to measure speed, then measurement coverage and functionality are improved, but measurement precision and consistency deteriorate due to variations in sensor types and methods

Engineering Contradiction:
Improvemeasurement coverageVSAvoidspeed measurement consistency
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent changes the parameter of measurement by introducing correction parameters that adjust the output values of different sensors. The processor calculates correction parameters based on relationships between multiple sensors and uses these parameters to normalize speed measurements, allowing different sensor types to provide consistent and accurate speed data despite their inherent measurement method differences

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system implements feedback by using multiple sensors to measure speed simultaneously, comparing their outputs, and calculating correction parameters based on the relationships between sensor readings. This feedback mechanism allows the system to continuously adjust and refine speed measurements, improving consistency across different sensor types while maintaining versatility

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS10768200B2Method and apparatus for measuring the speed of an electronic device
Publication Date: 2020.09.08 SAMSUNG ELECTRONICS CO LTD
  • US10768200B2 patent drawing
  • US10768200B2 patent drawing
  • US10768200B2 patent drawing

AI summary

An electronic device comprising: a sensor; a communication unit; and at least one processor configured to: receive a first speed measurement from the sensor; receive, via the communication unit, speed information transmitted by an external device; calculate at least one correction parameter based on the first speed measurement and the speed information; and adjust a second speed measurement that is received from the sensor based on the correction parameter.