JPS509485A - - Google Patents
Info
- Publication number
- JPS509485A JPS509485A JP48056761A JP5676173A JPS509485A JP S509485 A JPS509485 A JP S509485A JP 48056761 A JP48056761 A JP 48056761A JP 5676173 A JP5676173 A JP 5676173A JP S509485 A JPS509485 A JP S509485A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48056761A JPS509485A (ja) | 1973-05-23 | 1973-05-23 | |
| US471601A US3902812A (en) | 1973-05-23 | 1974-05-20 | Photometer using three kinds of light wavelengths |
| CA200,373A CA1002344A (en) | 1973-05-23 | 1974-05-21 | Photometer using three kinds of light wavelengths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48056761A JPS509485A (ja) | 1973-05-23 | 1973-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS509485A true JPS509485A (ja) | 1975-01-30 |
Family
ID=13036468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48056761A Pending JPS509485A (ja) | 1973-05-23 | 1973-05-23 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3902812A (ja) |
| JP (1) | JPS509485A (ja) |
| CA (1) | CA1002344A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116443A (en) * | 1981-01-09 | 1982-07-20 | Mitsubishi Electric Corp | Radio communication device |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT330481B (de) * | 1974-10-14 | 1976-07-12 | Reichert Optische Werke Ag | Wechsellicht-photometer, insbesondere einstrahlphotometer |
| US4134678A (en) * | 1977-03-16 | 1979-01-16 | Instrumentation Laboratory Inc. | Automatic blood analysis apparatus and method |
| JPS5920965B2 (ja) * | 1978-11-22 | 1984-05-16 | 富士写真光機株式会社 | 多数受光素子を有する測光装置 |
| US4357105A (en) * | 1980-08-06 | 1982-11-02 | Buffalo Medical Specialties Mfg., Inc. | Blood diagnostic spectrophotometer |
| SE450528B (sv) * | 1981-03-19 | 1987-06-29 | Svenska Traeforskningsinst | Forfarande for metning av innehallet av kryll i pappersmassa |
| JPS58109837A (ja) * | 1981-12-24 | 1983-06-30 | Olympus Optical Co Ltd | 検量線補正方法 |
| JPS58211635A (ja) * | 1982-06-03 | 1983-12-09 | Eisai Co Ltd | 三波長分光光度測定方法による不良品検査装置 |
| US4973833A (en) * | 1988-09-28 | 1990-11-27 | Minolta Camera Kabushiki Kaisha | Image sensor including logarithmic converters |
| US5013155A (en) * | 1989-09-26 | 1991-05-07 | Chemetrics, Inc. | Portable spectrophotometric instrument having vial holder and light integrator |
| FR2689635B1 (fr) * | 1992-04-03 | 1994-07-01 | Centre Nat Rech Scient | Procede pour la mesure de la concentration de gaz carbonique dissous dans une eau de mer et dispositif pour sa mise en óoeuvre. |
| US5959738A (en) * | 1994-07-25 | 1999-09-28 | Molecular Devices Corporation | Determination of light absorption pathlength in a vertical-beam photometer |
| US6496260B1 (en) * | 1998-12-23 | 2002-12-17 | Molecular Devices Corp. | Vertical-beam photometer for determination of light absorption pathlength |
| WO2005022194A2 (en) * | 2003-08-13 | 2005-03-10 | Lettvin Jonathan D | Imaging system |
| US7952626B2 (en) * | 2003-11-17 | 2011-05-31 | Lettvin Jonathan D | Geometric remapping with delay lines |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694092A (en) * | 1969-03-07 | 1972-09-26 | Hitachi Ltd | Photometer |
| US3833304A (en) * | 1971-04-12 | 1974-09-03 | Abbott Lab | Spectrophotometer using plural filters |
-
1973
- 1973-05-23 JP JP48056761A patent/JPS509485A/ja active Pending
-
1974
- 1974-05-20 US US471601A patent/US3902812A/en not_active Expired - Lifetime
- 1974-05-21 CA CA200,373A patent/CA1002344A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116443A (en) * | 1981-01-09 | 1982-07-20 | Mitsubishi Electric Corp | Radio communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| US3902812A (en) | 1975-09-02 |
| CA1002344A (en) | 1976-12-28 |