JPS5621070A - Automatic control circuit for bias of indicator - Google Patents
Automatic control circuit for bias of indicatorInfo
- Publication number
- JPS5621070A JPS5621070A JP9654579A JP9654579A JPS5621070A JP S5621070 A JPS5621070 A JP S5621070A JP 9654579 A JP9654579 A JP 9654579A JP 9654579 A JP9654579 A JP 9654579A JP S5621070 A JPS5621070 A JP S5621070A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- voltmeter
- scale
- bias
- indicator
- 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.)
- Pending
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
PURPOSE: To simplify operation by automatically giving an appropriate bias value of a bias circuit connected with a high sensitivity voltmeter in series.
CONSTITUTION: A standard voltage Va is set at the full-scale voltage of a voltmeter 8, i.e., the difference between the highest voltage VH of the scale and the lowest voltage of VL of the scale. When a resolution signal Vr corresponding to the peak voltage v-mode NMR signals obtained from an NMR device is Vr<Va, comparators 3W6 do not operate and the output of an adder 7 therefore returns to zero and the voltmeter 8 indicates a voltage VM without deflecting fully. As the resolution signal Vr increases, the pointer returns to zero each time the Vr reaches Va, 2Va, 3Va and 4Va, and thus the over-deflection of the pointer is prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9654579A JPS5621070A (en) | 1979-07-28 | 1979-07-28 | Automatic control circuit for bias of indicator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9654579A JPS5621070A (en) | 1979-07-28 | 1979-07-28 | Automatic control circuit for bias of indicator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5621070A true JPS5621070A (en) | 1981-02-27 |
Family
ID=14168062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9654579A Pending JPS5621070A (en) | 1979-07-28 | 1979-07-28 | Automatic control circuit for bias of indicator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5621070A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178264A (en) * | 1982-04-12 | 1983-10-19 | Advantest Corp | Digital resistance measuring apparatus |
-
1979
- 1979-07-28 JP JP9654579A patent/JPS5621070A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178264A (en) * | 1982-04-12 | 1983-10-19 | Advantest Corp | Digital resistance measuring apparatus |
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