NO880209L - Deteksjonskrets for fotometer. - Google Patents
Deteksjonskrets for fotometer. Download PDFInfo
- Publication number
- NO880209L NO880209L NO880209A NO880209A NO880209L NO 880209 L NO880209 L NO 880209L NO 880209 A NO880209 A NO 880209A NO 880209 A NO880209 A NO 880209A NO 880209 L NO880209 L NO 880209L
- Authority
- NO
- Norway
- Prior art keywords
- detection circuit
- photometer detection
- signal
- photometer
- integrated
- Prior art date
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Description
Det er frembrakt en optisk detektorkrets 50 for et fotometer-instrument, for å gi høypresisjons-og lavpris-A/D-omvandling for et detektert optisk signal. Et samplet signal blir integrert i en sampelsignal-integrator 66, mens et referansesignal integreres i en referansesignal-integrator 54. Ved å benytte tokurve-teknikker tilveiebringes det integrerte referansesignalet som inngangssignal for sampelsignal-integratoren 66 under en de-integrasjonsperiode for å gi et forhold mellom det detekterte signalet og referansesignalet, hvilket er nyttig når det gjelder nefelometere. Et invertert slukkesignal kan også integreres i sampel-integratoren 66 far sampelsignalet integreres, for å forbedre nøyaktigheten av tokurve-integrerin-gen. Integrasjonstiden velges som et multiplum av de viktigste kildene for interferens-støy, slik som nettfrekvenser og
frekvenser fra fluorescerende lys.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/864,852 US4688017A (en) | 1986-05-20 | 1986-05-20 | Optical detector circuit for photometric instrument |
| PCT/US1987/001094 WO1987007457A1 (en) | 1986-05-20 | 1987-05-11 | Optical detector circuit for photometric instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO880209D0 NO880209D0 (no) | 1988-01-19 |
| NO880209L true NO880209L (no) | 1988-03-16 |
Family
ID=26775803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO880209A NO880209L (no) | 1986-05-20 | 1988-01-19 | Deteksjonskrets for fotometer. |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO880209L (no) |
-
1988
- 1988-01-19 NO NO880209A patent/NO880209L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO880209D0 (no) | 1988-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2038170A1 (en) | Chemical luminescence-detecting apparatus | |
| US4248536A (en) | Dual wavelength photometric device | |
| EP0263931A3 (en) | Method and device for measuring continuously the concentration of a gas component | |
| AU2671692A (en) | Method of photometric (in vitro) determination of the content of an analyte in a sample | |
| JPH07167786A (ja) | テストキャリア分析システムにおけるアナログ光学測定信号の検出および評価方法 | |
| JPH09119815A5 (no) | ||
| EP0344461A3 (en) | Device for calibrating a non-dispersive infrared photometer | |
| EP0382908A3 (en) | Ir-spectrometric analysing procedure and means | |
| JPS552916A (en) | Spectral photometer | |
| WO2004005974A3 (en) | Heterodyne optical spectrum analyzer | |
| NO880209L (no) | Deteksjonskrets for fotometer. | |
| FI880219A0 (fi) | Optisk detektorkrets foer fotometriska instrument. | |
| EP0246005A3 (en) | Movement detection | |
| EP0110262A3 (en) | Optical readhead | |
| EP0261452A3 (en) | Gas analyzer | |
| DK0392794T3 (da) | Optisk signaldetektor | |
| JPS6129450B2 (no) | ||
| EP0283802A3 (en) | Vertical beam spectrophotometer | |
| Pfeffer et al. | Simple, compact visible absorption spectrophotometer | |
| JPS6475928A (en) | Optical heterodyne detector | |
| JPS542700A (en) | Optical fire detector | |
| JP2000504841A (ja) | 検出装置 | |
| SU1492223A1 (ru) | Фотоприемное устройство | |
| Jauch | A portable rapid spectrophotometer for colour studies | |
| SU813142A1 (ru) | Фоторегистратор |