JPH0247549U - - Google Patents
Info
- Publication number
- JPH0247549U JPH0247549U JP3401489U JP3401489U JPH0247549U JP H0247549 U JPH0247549 U JP H0247549U JP 3401489 U JP3401489 U JP 3401489U JP 3401489 U JP3401489 U JP 3401489U JP H0247549 U JPH0247549 U JP H0247549U
- Authority
- JP
- Japan
- Prior art keywords
- light
- sampling
- light source
- signal
- controlled
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000002835 absorbance Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 102100036464 Activated RNA polymerase II transcriptional coactivator p15 Human genes 0.000 description 2
- 101000713904 Homo sapiens Activated RNA polymerase II transcriptional coactivator p15 Proteins 0.000 description 2
- 229910004444 SUB1 Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 1
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第1図は本考案の一実施例装置のブロツク図、
第2図の装置の動作を示すフローチヤート、第3
図は従来例のブロツク図である。
PM……光検出器、LOG……吸光度変換器、
M……表示部、EA……誤差増幅器、SH……サ
ンプルホールド回路、Sw1……サンプリングス
イツチ、DD……直流―直流変換器、HCL……
輝線スペクトル光源、ATM……試料原子化部、
MC……分光器、D……連続スペクトル光源、B
BC……ビームバランス制御部、SUB1,SU
B2……引算器。
FIG. 1 is a block diagram of a device according to an embodiment of the present invention.
Flowchart showing the operation of the device in FIG. 2, 3rd
The figure is a block diagram of a conventional example. PM...photodetector, LOG...absorbance converter,
M...display section, EA...error amplifier, SH...sample hold circuit, Sw1...sampling switch, DD...DC-DC converter, HCL...
Bright line spectrum light source, ATM...sample atomization section,
MC...Spectroscope, D...Continuous spectrum light source, B
BC...Beam balance control unit, SUB1, SU
B2...Subtractor.
補正 平1.4.19
考案の名称を次のように補正する。
考案の名称 分光分析装置
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment April 19, 1999 The name of the invention is amended as follows. Title of the invention: Spectroscopic analysis device The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
輝線スペクトル光源と、連続スペクトル光源と
、両光源からの光束を時分割化させる手段と、両
光源の光を光量比を任意に変えて測定光路上に導
く手段と、両光源の光を上記時分割化と同期させ
て検出する手段と、上記両光源光の検出信号の差
或は比の信号を出力する手段とを設け、上記2つ
の光検出信号のどちらか一方の検出信号を基準値
と比較する誤差増幅器と、サンプリングスイツチ
を介して上記増幅器の出力が入力されるサンプリ
ングホールド回路とによつて上記光検出手段への
フイードバツク回路を構成し、上記サンプリング
ホールド回路の出力信号により光検出手段の感度
を制御するようにすると共に、上記差或は比の信
号を出力する手段の出力信号が基準内あるかどう
かを比較する手段とによつて上記光量比を変える
手段へのフイードバツク回路を構成し、手動的に
動作状態にされ上記比較手段からの出力信号によ
り上記光量比を任意に変化させる手段を両光源の
光の検出信号が略々等しくなるように制御すると
共に、この制御の完了により、上記サンプリング
スイツチをオフして全制御動作を終了する制御手
段を設けてなる分光分析装置。[Claims for Utility Model Registration] An emission line spectrum light source, a continuous spectrum light source, means for time-sharing the luminous flux from both light sources, and means for guiding the light from both light sources onto a measurement optical path by arbitrarily changing the light quantity ratio. , means for detecting the light from both light sources in synchronization with the time division, and means for outputting a signal representing the difference or ratio of the detection signals of the light from both light sources, and determining which of the two light detection signals An error amplifier that compares one of the detection signals with a reference value, and a sampling hold circuit to which the output of the amplifier is inputted via a sampling switch are used to provide a signal to the photodetection means.
A feedback circuit is configured to control the sensitivity of the photodetecting means using the output signal of the sampling and holding circuit, and to compare whether the output signal of the means for outputting the difference or ratio signal is within a standard. A feedback circuit to the means for changing the light quantity ratio is constituted by the means , and the means for arbitrarily changing the light quantity ratio by the output signal from the comparison means, which is manually activated, is configured to detect the light of both light sources. A spectroscopic analyzer comprising a control means for controlling the signals so that they are substantially equal , and for turning off the sampling switch and ending all control operations upon completion of this control .
【図面の簡単な説明】
第1図は本考案の一実施例装置のブロツク図、
第2図の装置の動作を示すフローチヤート、第3
図は従来例のブロツク図である。
PM……光検出器、LOG……吸光度変換器、
M……表示部、EA……誤差増幅器、SH……サ
ンプルホールド回路、Sw1……サンプリングス
イツチ、DD……直流―直流変換器、HCL……
輝線スペクトル光源、ATM……試料原子化部、
MC……分光器、D……連続スペクトル光源、B
BC……ビームバランス制御部、SUB1,SU
B2……引算器。[Brief Description of the Drawings] Figure 1 is a block diagram of an embodiment of the device of the present invention.
Flowchart showing the operation of the device in FIG. 2, 3rd
The figure is a block diagram of a conventional example. PM...photodetector, LOG...absorbance converter,
M...display section, EA...error amplifier, SH...sample hold circuit, Sw1...sampling switch, DD...DC-DC converter, HCL...
Bright line spectrum light source, ATM...sample atomization section,
MC...Spectroscope, D...Continuous spectrum light source, B
BC...Beam balance control unit, SUB1, SU
B2...Subtractor.
Claims (1)
、両光源からの光束を時分割化させる手段と、両
光源の光を光量比を任意に変えて測定光路上に導
く手段と、両光源の光を上記時分割化と同期させ
て検出する手段と、上記両光源光の検出信号を吸
光度に変換する手段と、両吸光度信号を引算する
手段とを設け、上記2つの吸光信号のどちらか一
方の検出信号を基準値と比較する誤差増幅器と、
サンプリングスイツチを介して上記増幅器の出力
が入力されるサンプリングホールド回路とによつ
てフイードバツク回路を構成し、上記サンプリン
グホールド回路の記憶信号により光検出手段の感
度を制御するようにすると共に、上記引算手段の
出力信号が基準内あるかどうかを比較する手段と
によつてフイールドバツク回路を構成し、手動的
に動作状態にされ上記比較手段からの出力信号に
より上記光量比を任意に変化させる手段を制御す
るようにしてなる分光分析装置。 An emission line spectrum light source, a continuous spectrum light source, means for time-sharing the luminous flux from both light sources, means for guiding the light from both light sources onto a measurement optical path while arbitrarily changing the light amount ratio, A means for detecting in synchronization with division, a means for converting the detection signals of the two light source lights into absorbance, and a means for subtracting both the absorbance signals are provided, and the detection signal of either one of the two light absorption signals is provided. an error amplifier that compares the
A feedback circuit is constituted by a sampling and holding circuit into which the output of the amplifier is inputted via a sampling switch, and the sensitivity of the photodetecting means is controlled by the memory signal of the sampling and holding circuit, and the sensitivity of the photodetecting means is controlled by the signal stored in the sampling and holding circuit. means for comparing whether or not the output signal of the means is within a standard, forming a feedback circuit, and means for arbitrarily changing the light quantity ratio according to the output signal from the comparing means, which is manually activated. A spectroscopic analyzer that can be controlled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989034014U JPH0429397Y2 (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989034014U JPH0429397Y2 (en) | 1989-03-23 | 1989-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0247549U true JPH0247549U (en) | 1990-03-30 |
JPH0429397Y2 JPH0429397Y2 (en) | 1992-07-16 |
Family
ID=31260734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989034014U Expired JPH0429397Y2 (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0429397Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443792A (en) * | 1977-09-14 | 1979-04-06 | Seiko Instr & Electronics Ltd | Automatic light adjusting mechanism |
-
1989
- 1989-03-23 JP JP1989034014U patent/JPH0429397Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443792A (en) * | 1977-09-14 | 1979-04-06 | Seiko Instr & Electronics Ltd | Automatic light adjusting mechanism |
Also Published As
Publication number | Publication date |
---|---|
JPH0429397Y2 (en) | 1992-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002025253A1 (en) | Device for chromatographic quantitative measurement | |
JP5961482B2 (en) | Spectrophotometer | |
JPS6329210B2 (en) | ||
US4921351A (en) | Spectrophotometer comprising a xenon flashtube as a light source | |
Uhl et al. | A polychromatic flash photolysis apparatus (PFPA) | |
JPH0247549U (en) | ||
JPS6350656B2 (en) | ||
JPH0239242Y2 (en) | ||
JPH0283454U (en) | ||
JPH01151242U (en) | ||
JP2580598B2 (en) | Spectrophotometer | |
JPH01212323A (en) | Spectral fluorophotometer | |
JP2906426B2 (en) | Photoelectric switch | |
JPS6246822B2 (en) | ||
CN2435739Y (en) | Portable luminosity analysing instrument | |
JPS63158431A (en) | Spectrophotometer | |
JP2003185498A (en) | Spectrophotometer | |
JPH0279447U (en) | ||
JPH0213962Y2 (en) | ||
JPH07113603B2 (en) | Atomic absorption spectrometer | |
JP2614899B2 (en) | Polarization spectrophotometer | |
SU837168A1 (en) | Atomic absorbtion spectrophotometer | |
JPS6083952U (en) | Wavelength selection device for light source in gas analyzer | |
RU2065139C1 (en) | Photometer | |
JPS60252243A (en) | Atomic absorption analysis instrument |