Elongated Sensor Housing Derives Rotation Data
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Solution Overview
Problem
Seismic surveying faces challenges in accurately measuring rotation data, which is essential for noise attenuation and data processing, as existing technologies often require separate rotational sensors, increasing complexity and cost.
Innovation Solution
A sensor device with an elongated housing containing particle motion sensors spaced along its longitudinal axis and communication circuitry, allowing derivation of rotation data from translational data measured by these sensors, eliminating the need for separate rotational sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate rotational sensors are used to measure rotation data, then measurement precision of rotation data is improved, but device complexity increases
Solution Approach 1:
The patent combines rotational sensing capability with translational sensing by using multiple particle motion sensors (geophones) arranged in a specific geometric configuration within a single device housing. Instead of using separate rotational sensors, the system measures translational motion at multiple points and computationally derives rotation data, thereby merging multiple sensing functions into one integrated device and reducing overall system complexity.
Solution Approach 2:
The patent replaces direct mechanical rotational sensing with a computational approach. Rather than using mechanical rotational sensors, the system uses particle motion sensors to measure translational acceleration at multiple points and calculates rotation data through signal processing and mathematical operations, substituting a mechanical sensing system with an electromechanical measurement and computation system.
2Adaptability or versatility
If multiple particle motion sensors are integrated into an elongated housing, then device functionality is improved, but manufacturing complexity increases
Solution Approach 1:
The patent divides the sensor device into distinct functional segments: an elongated housing containing particle motion sensors spaced along its length, and a separate second portion containing communication circuitry. This segmentation allows each portion to be optimized and manufactured independently, then assembled together, reducing overall manufacturing complexity while maintaining enhanced functionality.
Solution Approach 2:
The elongated housing structure serves multiple functions: it provides mechanical support for the particle motion sensors, establishes the geometric spacing required for rotational derivation, and acts as a protective enclosure. This multi-functionality reduces the need for additional specialized components, simplifying manufacturing while enhancing device versatility.
3Measurement precision
If particle motion sensors are spaced apart along the longitudinal axis, then rotation data derivation accuracy is improved, but device length increases
Solution Approach 1:
The patent arranges particle motion sensors not only along the longitudinal axis but also in multiple spatial dimensions (including vertical and lateral spacing). This three-dimensional sensor configuration allows rotation data derivation using sensors positioned within a compact volume, reducing the required length along any single axis while maintaining the spatial separation necessary for accurate rotational measurement.
Data Source
AI summary
A sensor device includes an elongated housing containing particle motion sensors spaced apart along a longitudinal axis of the elongated housing, where the elongated housing has a length that is greater than a width of the elongated housing. A second portion includes communication circuitry to communicate over a communication medium, the second portion coupled to the elongated housing and having a width that is greater than the width of the elongated housing.