Sliding Spectrometry Module for Mobile Device Integration

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Solution Overview

Problem

Conventional spectrometers integrated with mobile communication devices face challenges in seamlessly switching between spectrometry and camera functionality, requiring complex configurations and separate components that are not compact or user-friendly.

Innovation Solution

A portable communication device with a sliding spectrometry module that includes a first and second waveguide, an analyte region, and a spectral dispersion element comprising a diffraction grating, allowing the module to be moved between spectrometry and image capture configurations, enabling simultaneous use of camera and flash functionality for radiation analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a spectrometer is integrated with a mobile communication device, then the functionality for analyte identification is improved, but the device complexity increases

Engineering Contradiction:
Improvefunctionality for analyte identificationVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines the spectrometry module with the mobile communication device by integrating the radiation source, waveguide, diffraction grating, and detector into a unified structure that shares components with the camera system, thereby achieving analyte identification functionality while managing device complexity through component sharing

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mobile communication device is designed to perform multiple functions: standard imaging through the camera and spectrometry for analyte identification. The radiation source and optical components serve dual purposes, enabling the device to function as both a camera and a spectrometer depending on the configuration of the sliding module

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

2Measurement precision

If separate components are used for spectrometry and camera functionality, then the measurement precision is improved, but the ease of operation deteriorates

Engineering Contradiction:
Improvespectrometry precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The spectrometry module is designed to slide between two positions, dynamically changing the optical path. In the first position, radiation from the analyte passes through the diffraction grating to the detector for spectrometry. In the second position, the module allows standard camera operation. This dynamic reconfiguration enables precise spectrometry measurements while maintaining ease of operation through automatic or simple manual switching

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If a sliding spectrometry module is implemented, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:
Improveswitching between spectrometry and image capture modesVSAvoidapparatus complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The spectrometry module is nested within the mobile communication device, with the radiation source, waveguide, diffraction grating, and detector arranged in a compact configuration that fits within the device housing. The sliding mechanism allows the module to move between positions while remaining integrated with the overall device structure, managing complexity through nested component arrangement

Inventive Principle:
Principle #7Nested doll (Nesting)

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

The solution provides a simple, compact, and robust apparatus that can efficiently switch between spectrometry and image capture modes, facilitating easy analysis of analytes and image capture without the need for separate devices, enhancing usability and functionality.

Implementation Method 1

The transmitted or reflected radiation can then be diffracted by a diffraction grating to yield a spectrum which is characteristic of the analyte

Methodology Applied
Scientific EffectDiffraction: Diffraction

Implementation Method 2

a first waveguide configured to transmit radiation from the radiation source toward an analyte region

Methodology Applied
Scientific EffectWaveguide: Waveguide (optics)

Implementation Method 3

a second waveguide configured to transmit diffracted radiation from the analyte region toward the camera

Methodology Applied
Scientific EffectWaveguide: Waveguide (optics)

Implementation Method 4

the radiation from the radiation source is then reflected from, or transmitted by, the analyte

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentEP2635880B1Method and apparatus for spectrometry
Publication Date: 2022.09.28 NOKIA TECHNOLOGIES OY
  • EP2635880B1 patent drawingFigure 1a
  • EP2635880B1 patent drawingFigure 1b
  • EP2635880B1 patent drawingFigure 1c~2a

AI summary

In accordance with an example embodiment of the present invention, apparatus comprising a waveguide and a spectral dispersion element, the apparatus being configured to be moveably attachable to a portable device, the portable device comprising a radiation sensing element and a radiation source, the apparatus being configured to be moveably attachable to the portable device to provide a first configuration in which the waveguide is positioned to transmit radiation from the radiation source towards an analyte region and/or from the analyte region towards the dispersion element; and such that the dispersion element is positioned to disperse radiation from the analyte region to form a spectrum which is provided towards the radiation sensing element for spectral analysis, and a second configuration in which the radiation sensing element and radiation source are able to capture and illuminate a scene for image capture.