PATENT CLAIM ANALYSIS

Application Number: 16282333
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-06
Patent Classification: ["356", "609000"]

Abstract:
To provide a confocal displacement sensor capable of reducing a measurement error. Light having a plurality of wavelengths is emitted by a light processing section  120 . A chromatic aberration along an optical axis direction is caused by a lens unit  220  in the light emitted by the light projecting section  120 . The light having the chromatic aberration converged and irradiated on a measurement object S by the lens unit  220 . In the light irradiated on the measurement object S by the lens unit  220 , light having a wavelength reflected while focusing on the surface of the measurement object S passes through a plurality of pinholes. Displacement of the measurement object S is calculated by an arithmetic processing section  150  on the basis of signal intensity for each wavelength of an average signal corresponding to an average of intensities for each wavelength concerning a plurality of lights passed through the plurality of pinholes.

Claim (Index 18):
A confocal displacement sensor that measures displacement of a measurement object in a measurement region using a confocal optical system,\n the confocal displacement sensor comprising: a head unit including:\n a first housing; \n a plurality of pinholes corresponding to the confocal optical system, and disposed in the first housing; and an optical member disposed in the first housing, including a lens having a characteristic associated with a chromatic aberration along an optical axis direction, and configured to converge respective light outputted from the plurality of pinholes on different positions in the measurement region along the optical axis direction in accordance with a wavelength of the respective light; a fiber assembly including: a plurality optical fibers having a first end thereof, and the plurality optical fibers at the first end corresponding to the plurality of the pinholes of the head unit; and\n an optical coupler optically coupled to the plurality optical fibers; and \n a processing unit mechanically and optically coupled to the head unit via the fiber assembly, and including:\n a second housing; \n a light projecting section disposed in the second housing, and configured to emit light having a plurality of wavelengths, the light emitted from light projecting section being guided by the fiber assembly to the plurality of the pinholes of the head unit to irradiate the light through the plurality of the pinholes on a measurement object in the measurement region; a spectral section disposed in the second housing, configured to receive light reflected by the measurement object through each of the plurality of pinholes of the head unit and the fiber assembly, and configured to spectrally disperse the light from the fiber assembly; a light receiving section disposed in the second housing, and configured to receive the light spectrally dispersed by the spectral section and output an electric signal; and a calculating section disposed in the second housing, and configured to calculate the displacement of the measurement object on the basis of signal intensity for each wavelength of an average signal corresponding to an average of intensities for the each wavelength concerning a plurality of lights passed through the plurality of optical fibers, the signal intensity being based on the electric signal output from the light receiving section.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 99.0
- Lexical Diversity: 2.23944
- Patent Class: 356.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15989215', '15981925', '15989216', '15981924', '15981927']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7170066154959253
- 35 USC 102 Novelty (BERT): 0.5953212825816134
- Combined Prediction Score: 0.7048380822044941
- Mean Citation Score: 395.75673
- Max Citation Score: 543.9008
- Similarity Product: 434.6028175735474

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test