JPS6148558U - - Google Patents
Info
- Publication number
- JPS6148558U JPS6148558U JP13090984U JP13090984U JPS6148558U JP S6148558 U JPS6148558 U JP S6148558U JP 13090984 U JP13090984 U JP 13090984U JP 13090984 U JP13090984 U JP 13090984U JP S6148558 U JPS6148558 U JP S6148558U
- Authority
- JP
- Japan
- Prior art keywords
- sweep
- circuit
- output
- voltage
- voltage setting
- 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
- 238000004949 mass spectrometry Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Electron Tubes For Measurement (AREA)
Description
第１図は本考案に係る質量分析のための磁場強
度微小掃引装置の１実施例構成を示す図、第２図
は従来の質量分析のための磁場強度微小掃引装置
の構成を示す図、第３図は第２図の従来装置によ
つて出力される磁場強度制御電圧波形を示す図、
第４図は従来のピーク検出のための磁場強度掃引
例を説明するための図である。
１…掃引開始電圧設定用ポテンシヨメータ、２
…掃引電圧発生回路、３…加算回路、４…比較器
、、５…掃引終了電圧設定用ポテンシヨメータ、
６…切替スイツチ。
FIG. 1 is a diagram showing the configuration of an embodiment of a magnetic field strength micro-sweep device for mass spectrometry according to the present invention, and FIG. 2 is a diagram showing the configuration of a conventional magnetic field strength micro-sweep device for mass spectrometry. FIG. 3 is a diagram showing the magnetic field strength control voltage waveform output by the conventional device shown in FIG.
FIG. 4 is a diagram for explaining an example of a conventional magnetic field strength sweep for peak detection. 1... Potentiometer for setting the sweep start voltage, 2
...Sweep voltage generation circuit, 3.Addition circuit, 4.Comparator, 5.Sweep end voltage setting potentiometer,
6... Selector switch.
Claims (1)
て、掃引開始電圧設定回路、掃引終了電圧設定回
路、掃引電圧発生回路、掃引開始電圧設定回路の
出力電圧と掃引電圧発生回路の出力電圧とを加算
する加算回路、該加算回路の出力電圧と掃引終了
電圧設定回路の出力電圧とを比較して掃引終了を
判定し掃引終了時には掃引終了信号を出力する比
較回路、及び加算回路の出力と掃引開始電圧設定
回路の出力とを切り替えて磁場強度制御電圧を出
力する切替回路を備え、切替回路を掃引終了信号
により加算回路の出力から掃引開始電圧設定回路
の出力へ切り替えることを特徴とする質量分析の
ための磁場強度微小掃引装置。 In a magnetic field strength micro-sweep device for mass spectrometry, addition is performed to add the output voltages of the sweep start voltage setting circuit, sweep end voltage setting circuit, sweep voltage generation circuit, and sweep start voltage setting circuit to the output voltage of the sweep voltage generation circuit. a comparison circuit that compares the output voltage of the adder circuit with the output voltage of the sweep end voltage setting circuit to determine the end of the sweep and outputs a sweep end signal when the sweep ends, and an output of the adder circuit and a sweep start voltage setting circuit. A magnetic field for mass spectrometry, comprising a switching circuit that outputs a magnetic field strength control voltage by switching between the output of the adder circuit and the output of the sweep start voltage setting circuit. Intensity micro-sweep device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984130909U JPH0342613Y2 (en) | 1984-08-29 | 1984-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984130909U JPH0342613Y2 (en) | 1984-08-29 | 1984-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6148558U true JPS6148558U (en) | 1986-04-01 |
| JPH0342613Y2 JPH0342613Y2 (en) | 1991-09-06 |
Family
ID=30689502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984130909U Expired JPH0342613Y2 (en) | 1984-08-29 | 1984-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342613Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5485797A (en) * | 1977-12-21 | 1979-07-07 | Hitachi Ltd | Ion detecting method of mass spectrometer |
-
1984
- 1984-08-29 JP JP1984130909U patent/JPH0342613Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5485797A (en) * | 1977-12-21 | 1979-07-07 | Hitachi Ltd | Ion detecting method of mass spectrometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0342613Y2 (en) | 1991-09-06 |