DE2317103C3 - Schaltungsanordnung zur Verarbeitung von Ausgangssignalen eines optoelektrischen Wandlers eines Fotometers - Google Patents
Schaltungsanordnung zur Verarbeitung von Ausgangssignalen eines optoelektrischen Wandlers eines FotometersInfo
- Publication number
- DE2317103C3 DE2317103C3 DE2317103A DE2317103A DE2317103C3 DE 2317103 C3 DE2317103 C3 DE 2317103C3 DE 2317103 A DE2317103 A DE 2317103A DE 2317103 A DE2317103 A DE 2317103A DE 2317103 C3 DE2317103 C3 DE 2317103C3
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- output
- circuit arrangement
- arrangement according
- switch
- 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.)
- Expired
Links
- 238000012545 processing Methods 0.000 title claims description 3
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 2
- 230000005693 optoelectronics Effects 0.000 claims 1
- 239000012088 reference solution Substances 0.000 description 13
- 239000012482 calibration solution Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000012490 blank solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009585 enzyme analysis Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24204972A | 1972-04-07 | 1972-04-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2317103A1 DE2317103A1 (de) | 1973-10-11 |
| DE2317103B2 DE2317103B2 (de) | 1975-05-15 |
| DE2317103C3 true DE2317103C3 (de) | 1976-01-08 |
Family
ID=22913260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2317103A Expired DE2317103C3 (de) | 1972-04-07 | 1973-04-05 | Schaltungsanordnung zur Verarbeitung von Ausgangssignalen eines optoelektrischen Wandlers eines Fotometers |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3752995A (en, 2012) |
| JP (1) | JPS5220277B2 (en, 2012) |
| AU (1) | AU473520B2 (en, 2012) |
| CA (1) | CA986332A (en, 2012) |
| DE (1) | DE2317103C3 (en, 2012) |
| FR (1) | FR2179153B1 (en, 2012) |
| GB (1) | GB1427385A (en, 2012) |
| IL (1) | IL41955A (en, 2012) |
| IT (1) | IT980113B (en, 2012) |
| NL (1) | NL7304703A (en, 2012) |
| SE (1) | SE378911B (en, 2012) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887473A (en) * | 1971-09-07 | 1975-06-03 | Bergishagen & Associates | Method and system for the infrared analysis of gases |
| US3970392A (en) * | 1973-07-27 | 1976-07-20 | Coulter Electronics, Inc. | Analog to digital to analog storage and retrieval for a plurality of photometric blanking values |
| US3952206A (en) * | 1974-05-09 | 1976-04-20 | Coulter Electronics, Inc. | Photometer circuit |
| US3937577A (en) * | 1974-05-15 | 1976-02-10 | E. I. Du Pont De Nemours And Company | Zeeman effect atomic absorption spectrometer |
| CH568564A5 (en, 2012) * | 1974-06-10 | 1975-10-31 | Killer W Dr Ag | |
| FI52255C (fi) * | 1975-10-30 | 1977-07-11 | Innotec Oy | Infrapuna-analysaattori. |
| JPS6013136B2 (ja) * | 1977-05-26 | 1985-04-05 | オリンパス光学工業株式会社 | デンシトメ−タの検定方法 |
| US4357105A (en) * | 1980-08-06 | 1982-11-02 | Buffalo Medical Specialties Mfg., Inc. | Blood diagnostic spectrophotometer |
| US5958250A (en) * | 1995-06-07 | 1999-09-28 | Baxter International Inc. | Blood processing systems and methods which optically derive the volume of platelets contained in a plasma constituent |
| US6312607B1 (en) | 1995-06-07 | 2001-11-06 | Baxter International Inc. | Blood processing systems and methods which optically monitor incremental platelet volumes in a plasma constituent |
| WO1998043720A1 (en) * | 1997-04-03 | 1998-10-08 | Baxter International Inc. | Interface detection and control systems and methods |
| US6254784B1 (en) | 1997-10-30 | 2001-07-03 | Baxter International Inc. | Optical interface detection system for centrifugal blood processing |
| JP6250053B2 (ja) | 2012-09-04 | 2017-12-20 | フェンウォール、インコーポレイテッド | 血液処理システムの境界検知装置 |
| US10561784B2 (en) | 2017-05-31 | 2020-02-18 | Fenwal, Inc. | Stationary optical monitoring system for blood processing system |
| EP4035700B1 (en) | 2021-01-29 | 2025-03-05 | Fenwal, Inc. | Automated splitting of a fluid into uneven volumes |
| US11898967B2 (en) | 2021-02-02 | 2024-02-13 | Fenwal, Inc. | Predicting malfunction and failure of centrifuge umbilicus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4419900Y1 (en, 2012) * | 1966-12-09 | 1969-08-26 | ||
| US3566133A (en) * | 1968-03-18 | 1971-02-23 | Coulter Electronics | A hemoglobin measuring method and apparatus having voltage following with feedback |
| US3622795A (en) * | 1968-10-10 | 1971-11-23 | Coulter Electronics | Colorimetric fluid test apparatus having plural fluid sequential control |
| US3632209A (en) * | 1970-04-28 | 1972-01-04 | Susquehanna Corp | System for measuring light transmittance through absorptive or diffusive media |
| US3703336A (en) * | 1970-06-12 | 1972-11-21 | Instrumentation Labor Inc | Analysis system employing a plural chamber cuvette structure |
-
1972
- 1972-04-07 US US00242049A patent/US3752995A/en not_active Expired - Lifetime
-
1973
- 1973-04-05 IL IL41955A patent/IL41955A/xx unknown
- 1973-04-05 DE DE2317103A patent/DE2317103C3/de not_active Expired
- 1973-04-05 FR FR7312270A patent/FR2179153B1/fr not_active Expired
- 1973-04-05 CA CA168,020A patent/CA986332A/en not_active Expired
- 1973-04-05 IT IT49280/73A patent/IT980113B/it active
- 1973-04-05 GB GB1643773A patent/GB1427385A/en not_active Expired
- 1973-04-05 AU AU54184/73A patent/AU473520B2/en not_active Expired
- 1973-04-05 NL NL7304703A patent/NL7304703A/xx unknown
- 1973-04-05 JP JP48038353A patent/JPS5220277B2/ja not_active Expired
- 1973-04-05 SE SE7304804A patent/SE378911B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2179153A1 (en, 2012) | 1973-11-16 |
| CA986332A (en) | 1976-03-30 |
| JPS5220277B2 (en, 2012) | 1977-06-02 |
| IL41955A0 (en) | 1973-06-29 |
| AU473520B2 (en) | 1976-06-24 |
| IL41955A (en) | 1975-10-15 |
| SE378911B (en, 2012) | 1975-09-15 |
| JPS49101081A (en, 2012) | 1974-09-25 |
| US3752995A (en) | 1973-08-14 |
| FR2179153B1 (en, 2012) | 1976-09-24 |
| GB1427385A (en) | 1976-03-10 |
| IT980113B (it) | 1974-09-30 |
| AU5418473A (en) | 1974-10-10 |
| DE2317103A1 (de) | 1973-10-11 |
| DE2317103B2 (de) | 1975-05-15 |
| NL7304703A (en, 2012) | 1973-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |