JPS562568A - Bridge measuring instrument - Google Patents
Bridge measuring instrumentInfo
- Publication number
- JPS562568A JPS562568A JP7845779A JP7845779A JPS562568A JP S562568 A JPS562568 A JP S562568A JP 7845779 A JP7845779 A JP 7845779A JP 7845779 A JP7845779 A JP 7845779A JP S562568 A JPS562568 A JP S562568A
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- output
- states
- determined
- impedance elements
- 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 smooth a bridge part easily by connecting impedance elements to switches put into operation by ON-OFF signals and by changing connection combinations of impedance elements according to an unbalance component signal.
CONSTITUTION: Assuming that the waveform of a bridge electric power source is (a) and the output of adder 10 is waveform (b) with R and C loosing balance, synchronous detector 11 detects that to generate waveform (c) and the smoothed output of LPF12 has waveform (d). When balancing operation starts in this state, the ON-OFF states of output terminal parts Q1WQn are determined with every clock according to the value of waveform (d) and at the point in time when the state of switch Sn is determined, the end signal of register 17 is output. As a result, stopping clock 19 allows switches S1WSn to maintain their states and cancel waveform (e) is also held. Since waveform (e) is 90° out of phase with a carrier, waveforms (b)W(d) after balancing change into (b')W(d') by operating the system so that waveform (d) will be zero. The bridge part can therefore the balanced easily.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7845779A JPS562568A (en) | 1979-06-21 | 1979-06-21 | Bridge measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7845779A JPS562568A (en) | 1979-06-21 | 1979-06-21 | Bridge measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS562568A true JPS562568A (en) | 1981-01-12 |
Family
ID=13662556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7845779A Pending JPS562568A (en) | 1979-06-21 | 1979-06-21 | Bridge measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS562568A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58164837A (en) * | 1982-03-26 | 1983-09-29 | Kazushige Kitamura | Drain canal excavator |
| JPS58172798A (en) * | 1982-04-03 | 1983-10-11 | 株式会社共和電業 | Carrier type strain gage |
| JPH02120674A (en) * | 1988-10-31 | 1990-05-08 | Yamatake Honeywell Co Ltd | Bridge balance circuit |
| RU2475764C1 (en) * | 2011-09-01 | 2013-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) | Bridge meter of bipoles parameters |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516354A (en) * | 1974-07-05 | 1976-01-19 | Hitachi Chemical Co Ltd |
-
1979
- 1979-06-21 JP JP7845779A patent/JPS562568A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516354A (en) * | 1974-07-05 | 1976-01-19 | Hitachi Chemical Co Ltd |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58164837A (en) * | 1982-03-26 | 1983-09-29 | Kazushige Kitamura | Drain canal excavator |
| JPS58172798A (en) * | 1982-04-03 | 1983-10-11 | 株式会社共和電業 | Carrier type strain gage |
| JPH02120674A (en) * | 1988-10-31 | 1990-05-08 | Yamatake Honeywell Co Ltd | Bridge balance circuit |
| RU2475764C1 (en) * | 2011-09-01 | 2013-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) | Bridge meter of bipoles parameters |
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