CN102007389A - Photometer - Google Patents
Photometer Download PDFInfo
- Publication number
- CN102007389A CN102007389A CN200980113172.7A CN200980113172A CN102007389A CN 102007389 A CN102007389 A CN 102007389A CN 200980113172 A CN200980113172 A CN 200980113172A CN 102007389 A CN102007389 A CN 102007389A
- Authority
- CN
- China
- Prior art keywords
- light
- wavelength
- filter
- photo detector
- cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 238000005375 photometry Methods 0.000 claims description 23
- 239000005315 stained glass Substances 0.000 claims description 16
- 238000005286 illumination Methods 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 101000905241 Mus musculus Heart- and neural crest derivatives-expressed protein 1 Proteins 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000021615 conjugation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- CJDNEKOMKXLSBN-UHFFFAOYSA-N 1-chloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1 CJDNEKOMKXLSBN-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/021—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using plane or convex mirrors, parallel phase plates, or particular reflectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0243—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows having a through-hole enabling the optical element to fulfil an additional optical function, e.g. a mirror or grating having a throughhole for a light collecting or light injecting optical fiber
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2803—Investigating the spectrum using photoelectric array detector
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
An optical receiver section (4) of a photometer (2) includes optical receiver elements (4a) disposed at a position corresponding to short wavelength-side light that is cut by a cut filter (26), wherein outputs from the optical receiver elements (4a) disposed at the position corresponding to the short wavelength-side light that is cut by the cut filter (26) are used as dark current outputs. An operational circuit (6) is provided with a correction circuit (30) that uses the dark current outputs to correct a photometer output from each of the optical receiver elements (4a) disposed at a position corresponding to long wavelength-side light rather than the short wavelength-side light to be cut.
Description
Technical field
The present invention relates to make from the light beam split of determination object thing and measure the improvement of determinator of brightness etc. of the light of each wavelength.
Background technology
Known in the prior art a kind of light measurer, it makes brightness of each wavelength of measuring it from the wavelength beam split of the light of determination object thing etc.
Light measurer as prior art, utilize diffraction grating that the light from the determination object thing is separated by wavelength, and receive the light that separates by each wavelength by solid photographic device as light accepting part, according to the brightness of measuring the light of each wavelength from the output of this solid photographic device, colourity etc.
In existing light measurer, even if do not incide the situation of each photo detector of light accepting part at light, also have dark current because of thermonoise from solid photographic device output (dark current output).
Thereby, a kind of light measurer of repeatedly measuring that constitutes is proposed, do not incide under the state of light accepting part at light from the determination object thing, detection is from the dark current output of solid photographic device, subsequently, make light from the determination object thing be incident on light accepting part and detect photometry output, obtain the difference of this photometry output and dark current output, thereby revise from the photometry of each photo detector and export by removing dark current output by computing from solid photographic device.
In addition, a kind of light measurer of measuring structure is simultaneously also proposed, end at light accepting part is provided with cover body, and the light from the determination object thing is not incided on the photo detector that is coated by described cover body, detection simultaneously comes the dark current of the photo detector of free cover body coating to export and export from the photometry of each photo detector that does not have to be coated by cover body, and revise from the photometry of each photo detector and export (for example, with reference to patent documentation 1).
Patent documentation 1: Japanese kokai publication sho 58-158528 communique
Summary of the invention
Yet, be the light measurer of repeatedly measuring as its structure, although can micrometric measurement, the impropriety be to measure to expend time in.
In the light measurer of the structure of Ce Dinging, although can realize the raising of finding speed, yet its impropriety is and must cover body and the necessary structure that changes light accepting part be set to light accepting part at the same time.In addition, may not be the same from the dark current of each photo detector output, even if deduction is obtained photometry output from the dark current output of the photo detector that is coated by cover body and by correction without exception, also may not accurately remove dark current output, thereby be existing one of not enough from the viewpoint of micrometric measurement.
Purpose of the present invention relates to a kind of light measurer, and it not only need not change the structure of existing light accepting part, and both can suppress to measure the reduction of precision, also can obtain to realize the effect of the raising of finding speed.
Light measurer of the present invention is characterized in that, comprising: the beam split light-metering optical system that the light from the determination object thing is carried out beam split and carries out photometry; The light accepting part of the light that reception is separated by wavelength by this beam split light-metering optical system; Export the computing circuit of computing photometry characteristic according to the photometry of this light accepting part, described beam split light-metering optical system has: the collimation lens that the light from the determination object thing is transformed into parallel beam; Make the wavelength resolution element of the light beam decomposition of having passed through this collimation lens by wavelength; Make each light beam that has decomposed by wavelength accumulate in the light collecting lens of described light accepting part respectively; The cut-off filter of the light of short wavelength's one side is compared in obstruct with visible light, described light accepting part has a plurality of photo detectors that receive the light that has separated by wavelength respectively, described a plurality of photo detector is corresponding with the position of the wavelength of the appointment of separated light and arrange along constant direction, and, described a plurality of photo detector is arranged on the position corresponding with the light of short wavelength's one side that is intercepted by described cut-off filter, the output that is configured in the locational photo detector corresponding with the light of short wavelength's one side that intercepts by described cut-off filter as dark current output used, be provided with correction circuit in described computing circuit, this correction circuit uses described dark current to export to revise and is configured in the photometry output that produces with corresponding locational each photo detector of light compared to the wavelength of long wavelength's one side of the light of short wavelength's one side that is intercepted.
In light measurer of the present invention, preferably, described cut-off filter is arranged on before the collimation lens, and this cut-off filter is the coloured glass light filter that is used for revising the susceptibility of each wavelength.
In light measurer of the present invention, preferably, described cut-off filter is arranged on after the collimation lens, and this cut-off filter is the coloured glass light filter that is used for revising the susceptibility of each wavelength.
In addition, in light measurer of the present invention, preferably, described cut-off filter intercepts the light of wavelength below 380nm.
And, light measurer of the present invention is preferably: described correction circuit is connected with storage part, this storage part is preserved following output ratio to each photo detector, that is: be configured in dark current output with the corresponding locational photo detector of light of short wavelength's one side that intercepts by described cut-off filter, and be configured in and output compared to corresponding locational each photo detector of light of each wavelength of long wavelength's one side of the light of short wavelength's one side that is intercepted, and be this each photo detector be not subjected under the situation of illumination by measure the output obtained ratio; Described correction circuit is according to above-mentioned ratio, obtains the dark current output that is configured in compared to corresponding locational each photo detector of the light of each wavelength of light long wavelength one side of short wavelength's one side.
By the present invention, not only need not change the structure of existing light accepting part, and both can suppress to measure the reduction of precision, also can obtain to realize the effect of the raising of finding speed.
Description of drawings
Fig. 1 is the key diagram of overview of the structure of expression light measurer of the present invention;
Fig. 2 is the optical characteristics figure of the transmissivity of expression cut-off filter of the present invention;
Fig. 3 is the vertical view of light accepting part of the present invention;
Fig. 4 is the key diagram of expression from an example of the dark current output of the circuit output of each photo detector of the present invention.
Description of reference numerals:
1 determination object thing
2 light measurers
4 light accepting parts
6 computing circuits
The 4a photo detector
15 beam split light-metering optical systems
26 coloured glass light filters (cut-off filter)
27 collimation lenses
28 diffraction grating (wavelength resolution element)
30 correction circuits
Embodiment
Below, with reference to accompanying drawing the embodiment of of the present invention light measurer on one side be described on one side.
Embodiment
Fig. 1 is for example key diagram of the overview of the structure of beam split radiometer of expression light measurer of the present invention.In Fig. 1, the 1st, determination object things such as liquid crystal panel, signal lamp, cold-cathode tube, guiding lamp, LED, the 2nd, light measurer.
Optical system 3 is made of alignment optical system 14 and beam split light-metering optical system 15 substantially.Alignment optical system 14 is made of object lens 16, catoptron with holes 17, completely reflecting mirror 18, relay lens 19,20, the shutter 21 of finding a view, eyepiece 22 substantially.Light from determination object thing 1 is directed to catoptron 17 with holes by object lens 16, guides to completely reflecting mirror 18 by these catoptron 17 reflections with holes.Guide to the light of this completely reflecting mirror 18, be relayed to position 1 with determination object thing 1 conjugation by relay lens 19,20, the picture of determination object thing 1 of position 1 that is relayed to this conjugation is through eyepiece 22 and person to be measured is registered to.The shutter 21 of finding a view has following effect, that is: can prevent when measuring the determination object thing 1 of ultralow brightness, and outer light is sneaked into the beam split light-metering optical system 15 through relay lens 20,19, completely reflecting mirror 18, catoptron with holes 17 from a side of eyepiece 22.
Beam split light-metering optical system 15 had both had object lens 16, the with holes catoptron 17 shared with alignment optical system 14, also had relay lens 23, fibre bundle 24, tower plate 25, coloured glass light filter 26, collimation lens 27, diffraction grating 28, light collecting lens 29.
Catoptron 17 with holes has opening 17a.This catoptron 17 with holes is used to adjust lightness.Herein, have four kinds of catoptrons with holes in advance, what represent among Fig. 1 is that one of them catoptron with holes 17 is inserted in the situation among the light path of beam split light-metering optical system 15.
As shown in Figure 2, the a series of effects of coloured glass light filter 26 performance, for example have the susceptibility of revising each wavelength effect and as intercept compare with visible light short wavelength's one side for example the cut-off filter of the light of one side of the short wavelength below wavelength 380nm play a role.The transmissivity of this coloured glass light filter 26 is by wavelength set.
Diffraction grating 28 has the function as the wavelength resolution element, and the wavelength resolution element makes the light beam that has passed through collimation lens 27 decompose by wavelength.Light collecting lens 29 has makes each light beam that decomposes by wavelength gather the effect of light accepting part 4 respectively.
As shown in Figure 3, light accepting part 4 shape that is rectangle, and, longitudinally have for example 128,256,512,1024 of m photo detectors etc. along laterally having for example 128,256,512,1024 of n photo detectors etc.Herein, the photo detector 4a of horizontal direction is corresponding with the position of the wavelength of the appointment of separated light and photo detector that arrange along constant direction.Photo detector 4a concentrates in together and forms a circuit (1 ラ イ Application) longitudinally, and the output with corresponding every the circuit in position of each wavelength is input in the computing circuit 6 through A/D converter 12.This light accepting part 4 (photo detector) comprises the corresponding locational photo detector of light that is configured in short wavelength's one side that is intercepted by coloured glass light filter 26.For example, expression has the photo detector 4a of four circuits in Fig. 3, the photo detector 4a of described four circuits be configured in wavelength on the corresponding position of light of one side of the short wavelength below the 380nm, the output that each circuit produced that is configured in the locational photo detector 4a corresponding with the light of short wavelength's one side that is intercepted by described coloured glass light filter 26 is exported as dark current and is used.
In computing circuit 6, be provided with correction circuit 30.Correction circuit 30 is connected with storage part 31, described storage part 31 is preserved following output ratio to each photo detector 4a, that is: be configured in dark current output with the corresponding locational photo detector 4a of light of short wavelength's one side that intercepts by coloured glass light filter 26, and be configured in and the output of corresponding locational each the photo detector 4a of light (this light is compared to the light of short wavelength's one side that is intercepted by coloured glass light filter 26) of each wavelength of long wavelength's one side between ratio, and be and be not subjected at this each photo detector 4a under the situation of illumination by the ratio of measuring between the output of being obtained.
In order to make corresponding locational each the photo detector 4a of light (this light is compared to the light of short wavelength's one side that is intercepted by coloured glass light filter 26) that is configured in each wavelength of long wavelength's one side be in the situation that is not subjected to illumination, for example light measurer 2 is configured in the darkroom, measures the output of each photo detector 4a of light accepting part 4 thus simultaneously.
The dark current of each circuit of each photo detector 4a is exported as shown in Figure 4, and each photo detector 4a exists each individual existence of fluctuation or light accepting part 4 to fluctuate.In advance by measuring the dark current output of obtaining described each photo detector 4a.If the dark current output that will be configured in the circuit of the corresponding locational photo detector 4a of light of short wavelength's one side that is intercepted by coloured glass light filter 26 is taken as X
0The dark current output that is used for for example a certain circuit among the circuit of photo detector 4a (that is: be configured in the wavelength that is not intercepted by coloured glass light filter 26 the corresponding locational photo detector 4a of light) of the actual photometry of visible light is taken as X, and then it is than being X/X
0This numeric ratio X/X
0The mode of each circuit with correspondence is stored in storage part 31.Correction circuit 30 is according to numeric ratio X/X
0Obtain the dark current output of the circuit of each photo detector 4a.
Here, if the photometry output from the circuit of certain photo detector (it is represented by Reference numeral 4b) during with a certain measure is taken as y, the dark current output from the circuit of the photo detector of representing with Reference numeral 4b that will be when this is measured is taken as y ', the dark current output of the circuit of will be when this is measured and the corresponding photo detector of light short wavelength's one side that is intercepted is taken as y "
Formula is designated as y '=y " * (X/X
0),
Then correction circuit 30 is according to above-mentioned formula, the revised dark current output y ' that inscribes when a certain measure each bar circuit of each photo detector 4a is carried out computing, and by the photometry output y of dark current output y ' correction, thereby calculate accurate photometry characteristic from the circuit of each photo detector 4a.
Revise like this,, also can accurately revise even if then exist under the situation of fluctuation in the dark current output of the circuit of each photo detector 4a.In addition, even if, also can accurately revise in that dark current output is existed under the situation of change.
In addition, for the dark current output X of the circuit of the corresponding photo detector 4a of light of short wavelength's one side that is intercepted
0, also can use the mean value of the dark current output of a plurality of circuits.For example, four circuits conducts in short-and-medium wavelength one side of Fig. 3 are expressed with the corresponding circuit of light of the wavelength that is intercepted by coloured glass light filter 26, but, in this case, can obtain the dark current output summation of these four circuits, this dark current output summation be exported as average dark current divided by the numerical value that obtains after 4 used.
In the above-described embodiments, used the solid photographic device of CCD, but can use photo detectors such as other CMOS as photo detector.In addition, in the present embodiment, use the wave filter of the wavelength that intercepts short wavelength's one side and utilized the field of measuring short wavelength's one side of wavelength, thereby obtain dark current output, but also can adopt following structure, that is: the light filter that uses obstruct to measure the wavelength of long wavelength's one side of wavelength (for example greatly about wavelength more than the 780nm or big wavelength more than 830nm) detects dark current output and revises.And, can also utilize bandpass optical filter, use short wavelength's one side and long wavelength's one side two sides to detect dark current output, and then be used for revising.In addition, cut-off filter also can be configured in after the collimation lens.
Claims (5)
1. a light measurer is characterized in that, comprising:
The beam split light-metering optical system that light from the determination object thing is carried out beam split and carries out photometry;
The light accepting part of the light that reception is separated by wavelength by this beam split light-metering optical system;
Export the computing circuit of computing photometry characteristic according to the photometry of this light accepting part,
Described beam split light-metering optical system has:
Light from the determination object thing is transformed into the collimation lens of parallel beam;
Make the wavelength resolution element of the light beam decomposition of having passed through this collimation lens by wavelength;
Make each light beam that has decomposed by wavelength accumulate in the light collecting lens of described light accepting part respectively;
The cut-off filter of the light of short wavelength's one side is compared in obstruct with visible light,
Described light accepting part has a plurality of photo detectors that receive the light that separates by wavelength respectively,
Described a plurality of photo detector is corresponding with the position of the wavelength of the appointment of separated light and arrange along constant direction, and, described a plurality of photo detectors be arranged in by on the corresponding position of the light of short wavelength's one side of described cut-off filter obstruct,
The output that is configured in the locational photo detector corresponding with the light of short wavelength's one side that intercepts by described cut-off filter as dark current output used,
Be provided with correction circuit in described computing circuit, this correction circuit uses described dark current to export to revise and is configured in the photometry output that produces with corresponding locational each photo detector of light compared to the wavelength of long wavelength's one side of the light of short wavelength's one side that is intercepted.
2. light measurer according to claim 1 is characterized in that described cut-off filter is arranged on before the collimation lens, and this cut-off filter is the coloured glass light filter that is used for revising the susceptibility of each wavelength.
3. light measurer according to claim 1 is characterized in that described cut-off filter is arranged on after the collimation lens, and this cut-off filter is the coloured glass light filter that is used for revising the susceptibility of each wavelength.
4. light measurer according to claim 1 and 2 is characterized in that, described cut-off filter intercepts the light of wavelength below 380nm.
5. according to each described light measurer in the claim 1～3, it is characterized in that, described correction circuit is connected with storage part, this storage part is preserved following output ratio to each photo detector, that is: be configured in dark current output with the corresponding locational photo detector of light of short wavelength's one side that intercepts by described cut-off filter, and be configured in and output compared to corresponding locational each photo detector of light of each wavelength of long wavelength's one side of the light of short wavelength's one side that is intercepted, and be this each photo detector be not subjected under the situation of illumination by measure the output obtained ratio; Described correction circuit is according to above-mentioned ratio, obtains the dark current output that is configured in compared to corresponding locational each photo detector of light of each wavelength of light long wavelength one side of short wavelength's one side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008105267 | 2008-04-15 | ||
| JP2008-105267 | 2008-04-15 | ||
| PCT/JP2009/056437 WO2009128338A1 (en) | 2008-04-15 | 2009-03-30 | Photometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102007389A true CN102007389A (en) | 2011-04-06 |
| CN102007389B CN102007389B (en) | 2013-05-15 |
Family
ID=41199037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980113172.7A Expired - Fee Related CN102007389B (en) | 2008-04-15 | 2009-03-30 | Photometer |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5378359B2 (en) |
| KR (1) | KR101239573B1 (en) |
| CN (1) | CN102007389B (en) |
| WO (1) | WO2009128338A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5150939B2 (en) * | 2008-10-15 | 2013-02-27 | 大塚電子株式会社 | Optical characteristic measuring apparatus and optical characteristic measuring method |
| JP5738073B2 (en) * | 2011-05-27 | 2015-06-17 | 株式会社トプコン | Photometric device |
| KR102024812B1 (en) * | 2017-10-31 | 2019-11-04 | 주식회사 맥사이언스 | Apparatus and Method for measuring Chromatic-luminance and Spectral-radiance simultaneously |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2530480A1 (en) | 1975-07-09 | 1977-01-27 | Bayer Ag | SINGLE-BEAM PHOTOMETER |
| JPS58158528A (en) * | 1982-03-16 | 1983-09-20 | Union Giken:Kk | Light measuring device |
| DE3215367A1 (en) * | 1982-04-24 | 1983-11-03 | Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen | DEVICE FOR REDUCING MEASURING ERRORS IN SPECTRAL PHOTOMETERS |
| KR890001688B1 (en) * | 1985-08-03 | 1989-05-13 | 재단법인 한국표준연구소 | Color-measuring spectrophotometer system for source |
| JPH02253126A (en) * | 1989-03-27 | 1990-10-11 | Kuraray Co Ltd | Device and method for detecting wavelength of light |
| JP2984494B2 (en) * | 1992-12-11 | 1999-11-29 | オリンパス光学工業株式会社 | Dark output correction device for solid-state imaging device |
| EP0729017B1 (en) * | 1995-02-25 | 1998-07-08 | Hewlett-Packard GmbH | Method for measurement and compensation of stray light in a spectrometer |
| JP2005504313A (en) * | 2001-10-01 | 2005-02-10 | ユーディー テクノロジー コーポレーション | Apparatus and method for real-time IR spectroscopy |
| JP2005189217A (en) * | 2003-12-26 | 2005-07-14 | Topcon Corp | Equipment for measuring spectral characteristics |
-
2009
- 2009-03-30 KR KR1020107019594A patent/KR101239573B1/en active IP Right Grant
- 2009-03-30 JP JP2010508166A patent/JP5378359B2/en active Active
- 2009-03-30 CN CN200980113172.7A patent/CN102007389B/en not_active Expired - Fee Related
- 2009-03-30 WO PCT/JP2009/056437 patent/WO2009128338A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102007389B (en) | 2013-05-15 |
| JP5378359B2 (en) | 2013-12-25 |
| WO2009128338A1 (en) | 2009-10-22 |
| KR101239573B1 (en) | 2013-03-18 |
| KR20100106619A (en) | 2010-10-01 |
| JPWO2009128338A1 (en) | 2011-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104007528B (en) | Three-strip camera | |
| US9316539B1 (en) | Compact spectrometer | |
| US7626688B2 (en) | Optical measuring system with a high-speed optical sensing device enabling to sense luminous intensity and chromaticity | |
| US9316540B1 (en) | Compact spectrometer | |
| US20130229646A1 (en) | Component analyzer | |
| CN104754210B (en) | Camera and image processing method | |
| US20120173175A1 (en) | Photodiode array with algorithm-based crosstalk reduction | |
| CN101813517A (en) | Device for measuring brightness | |
| CN102007389B (en) | Photometer | |
| FR3096542B1 (en) | Multiple exposure image capture device and associated driver monitoring system | |
| CN105758566B (en) | Glass surface stress meter | |
| JP2010025558A (en) | Optical system for measurement | |
| JP3958055B2 (en) | Ranging and photometry equipment | |
| CN201611279U (en) | Brightness measuring unit | |
| CN201368770Y (en) | Spectral self-correcting photometer | |
| CN101922968A (en) | Automatic distance error correction luminance meter | |
| CN201352150Y (en) | Photometric device | |
| KR20140003664A (en) | Color difference meter module having collimator lens and focusing lens and device of color meter using the same | |
| CN102331298A (en) | Photometry device | |
| CN207881923U (en) | A kind of laser display system and its white balance detection device | |
| CN107543605A (en) | Correct the YC meter of the measurement error as caused by linearly polarized light | |
| CN109579705B (en) | Optical sensor and method for detecting abnormality of optical sensor | |
| US4527875A (en) | Illuminated finder | |
| JP7494851B2 (en) | Spectrophotometer | |
| CN212459386U (en) | Optical measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |