DE3107885C2 - - Google Patents

Info

Publication number
DE3107885C2
DE3107885C2 DE3107885A DE3107885A DE3107885C2 DE 3107885 C2 DE3107885 C2 DE 3107885C2 DE 3107885 A DE3107885 A DE 3107885A DE 3107885 A DE3107885 A DE 3107885A DE 3107885 C2 DE3107885 C2 DE 3107885C2
Authority
DE
Germany
Prior art keywords
signal
sample
sequence
elements
chopper
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 - Fee Related
Application number
DE3107885A
Other languages
German (de)
English (en)
Other versions
DE3107885A1 (de
Inventor
Michael Alan Maidenhead Berkshire Gb Ford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PerkinElmer Ltd
Original Assignee
PerkinElmer Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PerkinElmer Ltd filed Critical PerkinElmer Ltd
Publication of DE3107885A1 publication Critical patent/DE3107885A1/de
Application granted granted Critical
Publication of DE3107885C2 publication Critical patent/DE3107885C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/42Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J2003/2866Markers; Calibrating of scan

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19813107885 1980-03-07 1981-03-02 Verfahren und vorrichtung zur erzeugung eines quotientensignals Granted DE3107885A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8007813A GB2071311B (en) 1980-03-07 1980-03-07 Minimizing adverse phase change effects

Publications (2)

Publication Number Publication Date
DE3107885A1 DE3107885A1 (de) 1982-03-04
DE3107885C2 true DE3107885C2 (enExample) 1991-03-07

Family

ID=10511939

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813107885 Granted DE3107885A1 (de) 1980-03-07 1981-03-02 Verfahren und vorrichtung zur erzeugung eines quotientensignals

Country Status (4)

Country Link
US (1) US4453225A (enExample)
JP (1) JPS56150305A (enExample)
DE (1) DE3107885A1 (enExample)
GB (1) GB2071311B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205439A1 (de) * 1981-03-02 1983-08-25 Imchemie Kunststoff Gmbh, 5632 Wermelskirchen Solarkonzentrator mit hohlspiegeln
US4464051A (en) * 1982-03-02 1984-08-07 The Perkin-Elmer Corporation Spectrophotometer
JPS60333A (ja) * 1983-06-16 1985-01-05 Hitachi Ltd 原子吸光分光光度計
JPS6148735A (ja) * 1984-08-16 1986-03-10 Nippon Steel Corp 気体の濃度および分圧測定装置
JPS6148734A (ja) * 1984-08-16 1986-03-10 Nippon Steel Corp 気体の濃度および分圧測定装置
DE3504140A1 (de) * 1985-02-07 1986-08-07 Hartmann & Braun Ag, 6000 Frankfurt Rotierende modulationseinrichtung
FR2593917B1 (fr) * 1986-02-06 1988-06-03 Univ Reims Champagne Ardenne Procede et dispositif d'analyse et de mesure des parametres physiques d'un materiau en couches par radiometrie thermique
DE3926090C2 (de) * 1989-08-07 1998-09-10 Bodenseewerk Perkin Elmer Co Zweistrahlphotometer
US5880831A (en) * 1997-12-09 1999-03-09 N & K Technology, Inc. Reflectance spectrophotometric apparatus with optical relay
JP2013011473A (ja) * 2011-06-28 2013-01-17 Shimadzu Corp 分光光度計

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242797A (en) * 1962-10-01 1966-03-29 Beckman Instruments Inc Ratio-recording spectrophotometer
US3659942A (en) * 1970-11-13 1972-05-02 Perkin Elmer Corp Detector circuits for phase compensation
US3825762A (en) * 1972-08-08 1974-07-23 J White Apparatus for measuring luminescent radiation
US3981586A (en) * 1975-05-19 1976-09-21 The Perkin-Elmer Corporation Continuously monitoring ratiometer
GB1538450A (en) * 1975-12-30 1979-01-17 Perkin Elmer Ltd Stabilizing cross-talk balance in each of two electrical demodulation channels
GB1573623A (en) * 1976-01-07 1980-08-28 Perkin Elmer Ltd Electrical signal processing
JPS5352180A (en) * 1976-10-22 1978-05-12 Hitachi Ltd Two light beams spectrophotometer
SE404969B (sv) * 1978-02-03 1978-11-06 Ericsson Telefon Ab L M Anordning for att meta kvoten mellan ett antal efter varandra upptredande hendelser i en forsta och en andra av hendelser
US4305663A (en) * 1979-03-02 1981-12-15 Pye (Electronic Products) Limited Spectrophotometer

Also Published As

Publication number Publication date
JPS56150305A (en) 1981-11-20
US4453225A (en) 1984-06-05
DE3107885A1 (de) 1982-03-04
JPH029291B2 (enExample) 1990-03-01
GB2071311A (en) 1981-09-16
GB2071311B (en) 1983-10-26

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G06G 7/161

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee