WO2006030597A1 - 積分球波動源を用いた対象のデジタル化装置 - Google Patents
積分球波動源を用いた対象のデジタル化装置 Download PDFInfo
- Publication number
- WO2006030597A1 WO2006030597A1 PCT/JP2005/014977 JP2005014977W WO2006030597A1 WO 2006030597 A1 WO2006030597 A1 WO 2006030597A1 JP 2005014977 W JP2005014977 W JP 2005014977W WO 2006030597 A1 WO2006030597 A1 WO 2006030597A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- integrating sphere
- wave source
- digitizing
- light source
- sphere wave
- Prior art date
Links
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 230000002123 temporal effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000012809 cooling fluid Substances 0.000 claims description 8
- 238000013139 quantization Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- 239000012770 industrial material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 229920000995 Spectralon Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/0284—Using a single or a few point light sources, e.g. a laser diode in combination with a light integrating, concentrating or diffusing cavity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0404—Scanning transparent media, e.g. photographic film
Definitions
- the present invention relates to a target digital display device using an integrating sphere wave source including visible light.
- two-dimensional imaging devices such as CCD cameras
- two-dimensional imaging is based on the method of digitizing two-dimensional images by moving the one-dimensional imaging device like a scanner. It is expected that the method of digitizing at high speed directly on the equipment will become mainstream.
- Patent Document 1 As a conventional technique using an integrating sphere, a method and a system for converting into an image signal are disclosed in Patent Document 1 below.
- Patent Document 4 a high-speed high-precision digital camera system that combines a CCD camera capable of high-speed imaging and an integrating sphere, and an image of only a light source are taken.
- Patent Document 5 a device in which a planar light diffusing device is arranged at the open end of an integrating sphere light source (the following Patent Document 5) is disclosed.
- Patent Document 1 Japanese Patent Laid-Open No. 07-15658
- Patent Document 2 Japanese Utility Model Publication No. 50-21586
- Patent Document 3 Japanese Patent Laid-Open No. 11 173913
- Patent Document 4 Japanese Patent Laid-Open No. 2003-110813
- Patent Document 5 Japanese Unexamined Patent Publication No. 2003-177061
- Patent Document 6 US Patent Application Publication 2003Z0185004A1 Specification
- the accuracy of the light source becomes a problem when digitizing at a high speed directly in the two-dimensional imaging apparatus as described above.
- the light source that irradiates the two-dimensional image needs to be spatially uniform and stable in time.
- a light source with high accuracy that can be satisfied at present is provided. This is the current situation.
- the current scanner is nominally 16-bit accurate, the light source is unstable, so in practice the accuracy cannot be kept temporally and spatially stable.
- the present invention makes it possible to make the irradiation distribution on the wave irradiation surface of the integrating sphere wave source uniform and to improve the temporal stability of the irradiation wave.
- the object is to provide a digitizing device using an integrating sphere wave source that can be digitized.
- an integrating sphere light source having uniform illumination and a temporally stable illuminance, and the integrating sphere light source
- a transmissive target mounting table disposed in the vicinity of the opening of the slab, and a two-dimensional imaging device that captures and converts the transmissive target set on the transmissive target mounting table into digital data.
- the integrating sphere light source keeps the integrating sphere as perfect as possible.
- a spherical cover body fixed so as to cover the integrating sphere light source with a space outside the integrating sphere light source, and projecting to the outside of the integrating sphere light source.
- an adjusting bolt that is actuated by an actuator provided at the tip of the body.
- An object digitizing device using the integrating sphere light source described in [C] is characterized in that one light source lamp device is arranged in the space.
- a target digitizing apparatus using the integrating sphere light source described in [D] is characterized in that a cooling fluid is caused to flow through the air.
- the light source lamp device is arranged downstream of the cooling fluid.
- a target digitizing apparatus using the integrating sphere light source described in [A] above, is characterized in that the integrating sphere light source includes two integrating sphere light sources arranged in cascade. .
- the thickness of the diffuse reflection layer at the opening of the integrating sphere may be set to another thickness. It is characterized by being thinner than the part.
- the wave in the present invention includes a wave as a motion of a medium including visible light, an electromagnetic wave, and a sound, and a wave accompanying a particle such as an electron.
- the wave source means a device that generates those waves.
- FIG. 1 is a schematic diagram of a target digitizing apparatus using an integrating sphere light source showing an embodiment of the present invention.
- FIG. 2 is a schematic diagram of an apparatus for minimizing a shape change due to gravity of an integrating sphere light source according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of an apparatus for obtaining completely scattered light in an integrating sphere light source showing an embodiment of the present invention.
- FIG. 4 is a schematic diagram of an apparatus for performing diffuse reflection even at the opening of an integrating sphere light source according to an embodiment of the present invention to improve scattering reflection characteristics.
- the illuminance is spatially uniform (uniform) and temporally stable, and is disposed in the vicinity of the opening of the integrating sphere light source.
- the transmissive target mounting table and the transmissive target set on the transmissive target mounting table are imaged.
- a two-dimensional imaging device for batch conversion into digital data Therefore, the irradiation distribution on the light irradiation surface of the integrating sphere light source can be made uniform, the irradiation light can be time-stabilized, and accurate digital data can be obtained.
- Fig. 1 is a schematic diagram of a target digital display device using an integrating sphere light source according to an embodiment of the present invention.
- the transmissive object includes a photographic plate, a photographic film, a microfilm, etc., as long as it is an object through which irradiated light is transmitted.
- those that have an internal structure that can be embossed for the first time with high-precision digital instruments such as industrial materials and medical samples are also targeted. Such an internal structure cannot be seen buried in the noise by a low-precision digital camera.
- 1 is an integrating sphere light source whose illumination intensity is spatially uniform (uniform) and stable in time. None is installed inside this integrating sphere light source 1, only the spherical surface.
- the structure is as follows. Further, for example, a multilayer reflective film for light diffusion processing is formed on the inner wall surface of the integrating sphere light source 1 to enhance the scattering characteristics.
- 2 is an integrating sphere light source 1 opening (outlet)
- 3 is a transmissive object mounting table
- 4 is a transmissive object
- 5 is a transmissive object 4 is a two-dimensional imaging device that images 4 and converts it to digital data
- 6 Is a light source lamp device
- 7 is a cooling / pressure adjusting mechanism for the integrating sphere light source 1, and includes a cooling / pressure adjusting device 7A, a cooling / pressure adjusting container 7B, a blower 7C, and a cooling / pressure adjusting duct 7D.
- the cooling / pressure adjusting mechanism 7 has a function of controlling the temperature and pressure of the circulating air.
- 9 is a personal computer (PC) that processes digital data
- 10 is a control device.
- This control device 10 is an input interface 11, a control unit 12 of a transmission type control device 15, and an integrating sphere light source cooling. 'It has the control part 14 of the pressure adjustment mechanism 7.
- a device for improving the accuracy of the spherical shape of the integrating sphere light source 1 and maintaining it is cooled and the cooling pressure adjusting mechanism 7 for making the pressure constant is provided. Cooling of the pressure adjusting mechanism 7Cooling air from the pressure adjusting device 7A is introduced into the cooling pressure adjusting vessel 7B, flows around the integrating sphere light source 1 and the light source lamp device 6, and is cooled by the blower 7C. ⁇ Pressure regulation duct 7D led to this cooling • Returned to the cooling 'pressure regulator 7A via the pressure regulator duct 7D.
- the influence of heat generated by the light source lamp device 6 on the integrating sphere can be reduced.
- the light source lamp device 6 is placed upstream of the integrating sphere light source 1, the air heated by the light source lamp device 6 that generates heat will act on the integrating sphere 1, and the temperature distribution will be distributed to the integrating sphere 1.
- a shape change due to thermal expansion strain occurs in the integrating sphere 1 and a fluctuation in illuminance distribution occurs.
- the light source lamp device 6 that generates heat can be accurately cooled.
- FIG. 2 is a schematic diagram of an apparatus for minimizing a shape change due to gravity of an integrating sphere light source according to an embodiment of the present invention.
- reference numeral 21 denotes an integrating sphere light source made of a deformable member. Nothing is installed inside the integrating sphere light source 21, and a structure consisting only of a spherical surface is adopted. Further, for example, a diffuse reflection layer having a reflectance of 99% or more is formed on the inner wall surface of the integrating sphere light source 21 to enhance the scattering characteristics. Such material is realized, for example, by Spectralon from Labsphere. 22 is a spherical cover body that covers the integrating sphere light source 21, 23 is an adjustment bolt that protrudes outside the integrating sphere light source 21, and this adjustment bolt 23 penetrates the spherical cover body 22 and is attached to its tip.
- Reference numeral 25 denotes a single light source lamp device for irradiating the integrating sphere light source 21.
- a space 27 is formed between the outer surface of the integrating sphere light source 21 and the inner surface of the spherical cover body 22.
- the integrating sphere light source 21 and the light source lamp device 25 can be cooled by flowing a cooling fluid into the space 27 by the cooling fan 28.
- a pressure adjusting device (not shown) that keeps the pressure of the cooling fluid in the space 27 constant can be provided.
- 29 is a transmission type object mounting table
- 30 is a transmission type object set on the transmission type object mounting table 29.
- an illuminance test sheet (not shown) is set on the transmissive target mounting table 29, and the variation state of the illuminance of the integrating sphere light source 21 is projected onto the illuminance test sheet.
- the micro drive actuator 24 is operated so as to correct the noise.
- FIG. 3 is a schematic diagram of an apparatus for obtaining completely scattered light in an integrating sphere light source showing an embodiment of the present invention.
- 31 is a first integrating sphere light source
- 32 is a light source lamp device of the first integrating sphere light source
- 33 is a second integrating sphere using the first integrating sphere light source 31 as a light source.
- 34 an opening where the first integrating sphere light source 31 and the second integrating sphere light source 33 are joined
- 35 is an opening of the second integrating sphere light source 33
- 36 is a transmission target mounting table
- 37 Is a transmissive object.
- the irradiation light diffused by the first integrating sphere light source 31 is further diffused by the second integrating sphere light source 33, and the completely scattered reflected light is converted into the second integrating sphere light. It is possible to provide a high-quality light source that can be obtained at the opening 35 of the light source 33 and the illuminance variation is suppressed to the transmissive target 37 on the transmissive target mounting table 36 as much as possible.
- FIG. 4 is a schematic diagram of an apparatus for performing diffuse reflection at the opening of an integrating sphere light source and improving the scattering reflection characteristics according to an embodiment of the present invention.
- 41 is an integrating sphere light source
- 42 is a light source lamp device
- 43 is a diffuse reflection layer disposed between the opening of the integrating sphere light source 41 and the opening of the light source lamp device 42
- 44 is an integrating sphere.
- the opening of the light source 41, 45 is a diffuse reflection layer disposed in the opening 44
- 46 is a transmissive pair
- the elephant mounting table 47 is a transmission target set on the transmission target mounting table 46.
- the irradiation light reflected inside the integrating sphere light source 41 and incident on the diffuse reflection layer 43 is rediffused and reflected by the diffuse reflection layer 43 and diffused within the integrating sphere light source 41. It becomes scattered reflected light.
- the irradiation light reflected inside the integrating sphere light source 41 and incident on the diffuse reflection layer 45 is re-diffused and reflected and diffused into the integrating sphere light source 41 to reduce the disturbance caused by the aperture. It becomes scattered reflected light close to a sphere.
- part of the reflected light from the integrating sphere light source 41 toward the diffuse reflection layer 45 is spatially uniform and temporally stable as the transmissive target set on the transmissive target mounting table 46. Will light up 47
- the layer thickness of the diffuse reflection layer 1 A at the opening of the integrating sphere is configured to be thinner than the other portions.
- the spherical shape corresponds to the opening of the integrating sphere so that the shape of the sphere is kept as much as possible and the distribution of the diffuse reflecting layer is not inhibited as much as possible.
- the wave extraction from the integrating sphere is realized by making the layer thickness of the diffuse reflection layer 1A thinner than other parts without changing the spherical shape in the integrating sphere.
- the shape outside the integrating sphere may be displaced from the spherical shape and the material may be changed to meet the required accuracy.
- the two-dimensional imaging device for imaging a transmission target used in the present invention and converting it to digital data replaces the conventional 10-bit quantization in order to perform high-precision quantization of the image data.
- the illuminance of the irradiation light to the target can be spatially uniformized (uniformized) and stable in time, so that the reading dynamics in a two-dimensional imaging device The range (SZN) can be improved.
- SZN The range
- a quantization accuracy of 16 bits or more can be obtained.
- high-definition density quantization can also be performed.
- the present invention it is possible to improve the accuracy of the sphere of the integrating sphere and maintain its accuracy. Specifically, the external environment (temperature, pressure) is kept constant, and the gravity Minimize impact. In addition, the shape change of the integrating sphere is prevented, nothing is arranged inside the integrating sphere, and the structure is made up of only a spherical surface to improve the scattering characteristics and to be close to perfect scattering reflection. In addition, by providing a diffuse reflection layer at the opening of the integrating sphere, the scattering characteristics inside the integrating sphere are enhanced, and the light reflected from the integrating sphere is reflected to the target without variation in illuminance. You can shoot.
- the irradiation distribution on the wave irradiation surface of the integrating sphere wave source can be made uniform (uniform), the time stability of the irradiation wave can be improved, and accurate digital data of the object can be obtained. it can.
- the integrating sphere wave source is supported at a plurality of points by providing a plurality of adjusting bolts that are projected to the outside of the spherical light source and that are operated by an actuator provided at the tip of the spherical cover body.
- Integral sphere wave source opening (outlet) is not made completely open, but the diffuse reflection layer is made thinner than other parts, and is re-established in the integrating sphere wave source.
- the reflected irradiation wave can be increased, the uniformity of the wave in the integrating sphere can be improved, and it can be brought closer to an ideal integrating sphere with less disturbance due to the aperture.
- the digitizing device for the object using the integrating sphere wave source of the present invention improves the reading dynamic range (SZN) in the two-dimensional imaging device by using a spatially uniform and temporally stable light source. It can be used as a reading device for analyzing image information of industrial materials, medical treatments, arts, etc. that can be made with high-precision digital power such as film.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Image Input (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05772504A EP1793341A4 (en) | 2004-09-17 | 2005-08-17 | PROCESS FOR OBJECT DIGITIZATION BY USING AN INTEGRATED SFERISCHEN WELLENQUELLE |
US11/575,405 US7535559B2 (en) | 2004-09-17 | 2005-08-17 | Object digitizing device using integrating sphere wave source |
JP2006535091A JP4574621B2 (ja) | 2004-09-17 | 2005-08-17 | 積分球波動源を用いた対象のデジタル化装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004270668 | 2004-09-17 | ||
JP2004-270668 | 2004-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030597A1 true WO2006030597A1 (ja) | 2006-03-23 |
Family
ID=36059855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014977 WO2006030597A1 (ja) | 2004-09-17 | 2005-08-17 | 積分球波動源を用いた対象のデジタル化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7535559B2 (ja) |
EP (1) | EP1793341A4 (ja) |
JP (1) | JP4574621B2 (ja) |
TW (1) | TW200614791A (ja) |
WO (1) | WO2006030597A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4886782B2 (ja) * | 2005-07-08 | 2012-02-29 | ミンジュン チャン | 温度調節手段を備えた積分球 |
JP2018205231A (ja) * | 2017-06-08 | 2018-12-27 | 一般財団法人雑賀技術研究所 | 積分球を用いた相対反射率測定装置及びその較正方法 |
CN109218719A (zh) * | 2018-11-07 | 2019-01-15 | 深圳六滴科技有限公司 | 积分球和全景相机的色差校正系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8294898B2 (en) * | 2007-08-28 | 2012-10-23 | Trustees Of Princeton University | Rotationally asymmetric chaotic optical multi-pass cavity |
TWI560432B (en) * | 2015-12-31 | 2016-12-01 | Mpi Corp | Integrating sphere cover and integrating sphere module |
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JPH04110756A (ja) * | 1990-08-31 | 1992-04-13 | Shimadzu Corp | 生体試料の光測定方法 |
JPH07146175A (ja) * | 1993-11-26 | 1995-06-06 | Matsushita Electric Ind Co Ltd | 全光束測定装置 |
JPH07260698A (ja) * | 1994-03-18 | 1995-10-13 | Sony Corp | 異物検査装置及び異物検査方法 |
JP2003174544A (ja) * | 2001-09-28 | 2003-06-20 | Fuji Photo Film Co Ltd | 光源装置及び画像読取装置 |
JP2003177061A (ja) * | 2001-12-12 | 2003-06-27 | Japan Science & Technology Corp | 積分球光源の開放端の構造 |
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US3764364A (en) * | 1968-07-01 | 1973-10-09 | Ppg Industries Inc | Article of manufacture having thereon a stable reflective coating containing fluorinated aliphatic long chain addition polymers |
US4120582A (en) * | 1976-10-27 | 1978-10-17 | Donnelly Mirrors, Inc. | Light reflectivity and transmission testing apparatus and method |
JPS591977B2 (ja) * | 1978-01-25 | 1984-01-14 | 株式会社京都第一科学 | 呈色試験紙を用いた分析方法 |
US4602160A (en) * | 1983-09-28 | 1986-07-22 | Sentrol Systems Ltd. | Infrared constituent analyzer and control system |
US4583860A (en) * | 1983-11-30 | 1986-04-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Optical multiple sample vacuum integrating sphere |
GB8425274D0 (en) * | 1984-10-05 | 1984-11-14 | Spandrel Etab | Signal responsive to parameter of objects |
US4995727A (en) * | 1987-05-22 | 1991-02-26 | Minolta Camera Kabushiki Kaisha | Compact diffusion light mixing box and colorimeter |
US4868383A (en) * | 1988-09-08 | 1989-09-19 | Eastman Kodak Company | Linear integrating cavity light source used for generating an intense beam of light |
US5098195A (en) * | 1990-10-31 | 1992-03-24 | Information And Control Systems, Inc. | Directional spectral emissivity measurement system |
JPH05302853A (ja) * | 1991-03-29 | 1993-11-16 | Shimadzu Corp | 積分球装置 |
AU644518B2 (en) * | 1991-04-29 | 1993-12-09 | Labsphere, Inc. | Integrating sphere for diffuse reflectance and transmittance measurements and the like |
US6407767B1 (en) * | 2000-08-09 | 2002-06-18 | Eastman Kodak Company | Apparatus for exposing sensitometric and bar code data onto photosensitive media |
JP4052427B2 (ja) * | 2001-10-01 | 2008-02-27 | 独立行政法人科学技術振興機構 | 高速度高精度デジタル化システム |
US6810161B2 (en) * | 2001-12-27 | 2004-10-26 | Ilx Lightwave Corporation | Integrating cavity for optical measurements |
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2005
- 2005-08-17 JP JP2006535091A patent/JP4574621B2/ja not_active Expired - Fee Related
- 2005-08-17 EP EP05772504A patent/EP1793341A4/en not_active Withdrawn
- 2005-08-17 WO PCT/JP2005/014977 patent/WO2006030597A1/ja active Application Filing
- 2005-08-17 US US11/575,405 patent/US7535559B2/en not_active Expired - Fee Related
- 2005-08-24 TW TW094128849A patent/TW200614791A/zh not_active IP Right Cessation
Patent Citations (5)
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JPH04110756A (ja) * | 1990-08-31 | 1992-04-13 | Shimadzu Corp | 生体試料の光測定方法 |
JPH07146175A (ja) * | 1993-11-26 | 1995-06-06 | Matsushita Electric Ind Co Ltd | 全光束測定装置 |
JPH07260698A (ja) * | 1994-03-18 | 1995-10-13 | Sony Corp | 異物検査装置及び異物検査方法 |
JP2003174544A (ja) * | 2001-09-28 | 2003-06-20 | Fuji Photo Film Co Ltd | 光源装置及び画像読取装置 |
JP2003177061A (ja) * | 2001-12-12 | 2003-06-27 | Japan Science & Technology Corp | 積分球光源の開放端の構造 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4886782B2 (ja) * | 2005-07-08 | 2012-02-29 | ミンジュン チャン | 温度調節手段を備えた積分球 |
JP2018205231A (ja) * | 2017-06-08 | 2018-12-27 | 一般財団法人雑賀技術研究所 | 積分球を用いた相対反射率測定装置及びその較正方法 |
CN109218719A (zh) * | 2018-11-07 | 2019-01-15 | 深圳六滴科技有限公司 | 积分球和全景相机的色差校正系统 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006030597A1 (ja) | 2008-07-31 |
EP1793341A1 (en) | 2007-06-06 |
US7535559B2 (en) | 2009-05-19 |
EP1793341A4 (en) | 2009-11-04 |
US20080002385A1 (en) | 2008-01-03 |
TW200614791A (en) | 2006-05-01 |
TWI319956B (ja) | 2010-01-21 |
JP4574621B2 (ja) | 2010-11-04 |
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