JPH0210367B2 - - Google Patents

Info

Publication number
JPH0210367B2
JPH0210367B2 JP55026807A JP2680780A JPH0210367B2 JP H0210367 B2 JPH0210367 B2 JP H0210367B2 JP 55026807 A JP55026807 A JP 55026807A JP 2680780 A JP2680780 A JP 2680780A JP H0210367 B2 JPH0210367 B2 JP H0210367B2
Authority
JP
Japan
Prior art keywords
signal
radiation
sample
detector
period
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 - Lifetime
Application number
JP55026807A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55140121A (en
Inventor
Baaro Dereku
Binsento Paakinsu Chaaruzu
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.)
Pye Electronic Products Ltd
Original Assignee
Pye 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 Pye Ltd filed Critical Pye Ltd
Publication of JPS55140121A publication Critical patent/JPS55140121A/ja
Publication of JPH0210367B2 publication Critical patent/JPH0210367B2/ja
Granted legal-status Critical Current

Links

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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
JP2680780A 1979-03-05 1980-03-05 Spectrophotometer Granted JPS55140121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7907616A GB2043878A (en) 1979-03-05 1979-03-05 Dark Signal Compensation in Spectrophotometers

Publications (2)

Publication Number Publication Date
JPS55140121A JPS55140121A (en) 1980-11-01
JPH0210367B2 true JPH0210367B2 (enrdf_load_stackoverflow) 1990-03-07

Family

ID=10503605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2680780A Granted JPS55140121A (en) 1979-03-05 1980-03-05 Spectrophotometer

Country Status (2)

Country Link
JP (1) JPS55140121A (enrdf_load_stackoverflow)
GB (1) GB2043878A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534952A (ja) * 2004-04-27 2007-11-29 アトメル グルノーブル 同期検波及び相関サンプリングを用いた測定方法及び装置
JP2010156655A (ja) * 2009-01-05 2010-07-15 Shimadzu Corp 分光光度計
WO2013047565A1 (ja) * 2011-09-30 2013-04-04 テルモ株式会社 血液成分分析装置
JP5195905B2 (ja) * 2008-03-28 2013-05-15 コニカミノルタオプティクス株式会社 分光特性測定システム

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593227A (ja) * 1982-06-28 1984-01-09 Shimadzu Corp 直接比測光方式分光光度計
JPS59231425A (ja) * 1983-06-14 1984-12-26 Shimadzu Corp ホトダイオ−ドアレイ分光光度計検出器
JPS60333A (ja) * 1983-06-16 1985-01-05 Hitachi Ltd 原子吸光分光光度計
US4921350A (en) * 1989-02-10 1990-05-01 Beckman Instruments, Inc. Monochromator second order subtraction method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807938A (en) * 1973-07-12 1974-04-30 Coleman Co Fuel control means for burners

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534952A (ja) * 2004-04-27 2007-11-29 アトメル グルノーブル 同期検波及び相関サンプリングを用いた測定方法及び装置
JP5195905B2 (ja) * 2008-03-28 2013-05-15 コニカミノルタオプティクス株式会社 分光特性測定システム
JP2010156655A (ja) * 2009-01-05 2010-07-15 Shimadzu Corp 分光光度計
WO2013047565A1 (ja) * 2011-09-30 2013-04-04 テルモ株式会社 血液成分分析装置

Also Published As

Publication number Publication date
JPS55140121A (en) 1980-11-01
GB2043878A (en) 1980-10-08

Similar Documents

Publication Publication Date Title
US3701601A (en) Photometric read out and analyzing system
JPH0210367B2 (enrdf_load_stackoverflow)
US3676661A (en) Voltage-time-voltage computation circuit using r-c exponential decay circuits to perform multiplication, division, root-finding and logarithmic conversion
EP0017267B1 (en) Spectrophotometer
US2679010A (en) Infrared spectrophotometer
FR2584822A1 (fr) Dispositif de mesure du rapport de deux capacites de faibles valeurs
US4299485A (en) Spectrophotometer
JPS5940221A (ja) 多重赤外線−フ−リエ変換信号を同時に記録する装置
US2522976A (en) Electrical ratio-measuring system
US4079256A (en) Ratio-recording spectrophotometer with suppression of uncompensation
US3025746A (en) Spectrophotometer
US3561845A (en) Radiant energy analyzer including means for offsetting and scaling the ratio of two signals
US3242797A (en) Ratio-recording spectrophotometer
US4068165A (en) Circuit for determining the slope of a signal
US4000946A (en) Stepper motor tracking accuracy control for spectrophotometers
GB2045923A (en) Spectrophotometer
US3331955A (en) Signal analyzer systems
US3984772A (en) Signal peak detection arrangement
GB2045924A (en) Spectrophotometer
US3514700A (en) Voltage ratio computer
US3895315A (en) Voltage variable operational amplifier relaxation oscillator
US3298275A (en) Comparison signal circuit for measuring intensity of spectral lines
US3484596A (en) Spectrophotometric readout device
US4074190A (en) Signal measuring apparatus
US3532972A (en) Detector apparatus including digitally operable bridge rebalancing means