JPS59144572U - Automatic output switching device - Google Patents
Automatic output switching deviceInfo
- Publication number
- JPS59144572U JPS59144572U JP3886283U JP3886283U JPS59144572U JP S59144572 U JPS59144572 U JP S59144572U JP 3886283 U JP3886283 U JP 3886283U JP 3886283 U JP3886283 U JP 3886283U JP S59144572 U JPS59144572 U JP S59144572U
- Authority
- JP
- Japan
- Prior art keywords
- output
- absolute value
- switching device
- output switching
- automatic output
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の出力自動切替装置のブロック図、第２図
はこの考案の出力自動切替装置のブロック図である。
Ｔｌ、 Ｔ２・・・・・・入力端子、９ａ、 ９ｂ夕
・・・・・バッファアンプ、ｌ Ｑａ、 ｌ Ｑｂ−
−−−−−ＡＣ−ＤＣ変換器、１１．１４・・・・・・
比較器、１２・・・・・・差動アンプ、１３・・・・・
・絶対値アンプ、１５・・・・・・基準電圧発生器、１
６・・・・・−ＡＮＤ回路、１７・・・・・・駆動回路
、１８・・・・・・切替素子、１９・・・・・・接点部
、２０・・・・・・出力端子。FIG. 1 is a block diagram of a conventional automatic output switching device, and FIG. 2 is a block diagram of the automatic output switching device of this invention. Tl, T2... Input terminal, 9a, 9b T... Buffer amplifier, l Qa, l Qb-
-----AC-DC converter, 11.14...
Comparator, 12... Differential amplifier, 13...
・Absolute value amplifier, 15...Reference voltage generator, 1
6...-AND circuit, 17... Drive circuit, 18... Switching element, 19... Contact portion, 20... Output terminal.
Claims (1)
１、第２のＡＣ−ＤＣ変換器と、この第１のＡＣ−ＤＣ
変換器の出力電圧と第１の基準電圧と比較する第１の比
較器と、上記第１、第２のＡＣＤＣ変換器の出力の電圧
の差を検出する差動アンプと、この差動アンプの出力を
絶対値化する絶対値アンプと、この絶対値アンプから出
力される絶対値と第２の基準電圧とを比較する第２の比
較器と、上記第１および第２の比較器の出力の論理積を
とるためのＡＮＤ回路と、このＡＮＤ回路の出力によっ
て動作して上記第１、第２の交流入力信号を切り替えて
出力する切替素子とよりなる出力自動切替装置。first and second AC-DC converters that convert first and second AC input signals into DC, respectively;
a first comparator that compares the output voltage of the converter with a first reference voltage; a differential amplifier that detects the difference between the voltages of the outputs of the first and second ACDC converters; an absolute value amplifier that converts the output into an absolute value, a second comparator that compares the absolute value output from the absolute value amplifier with a second reference voltage, and an output of the first and second comparators. An automatic output switching device comprising an AND circuit for taking a logical product, and a switching element operated by the output of the AND circuit to switch and output the first and second AC input signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3886283U JPS59144572U (en) | 1983-03-17 | 1983-03-17 | Automatic output switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3886283U JPS59144572U (en) | 1983-03-17 | 1983-03-17 | Automatic output switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59144572U true JPS59144572U (en) | 1984-09-27 |
| JPH0441336Y2 JPH0441336Y2 (en) | 1992-09-29 |
Family
ID=30169526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3886283U Granted JPS59144572U (en) | 1983-03-17 | 1983-03-17 | Automatic output switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144572U (en) |
-
1983
- 1983-03-17 JP JP3886283U patent/JPS59144572U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441336Y2 (en) | 1992-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59144572U (en) | Automatic output switching device | |
| JPS5914449U (en) | Synchronous signal input circuit | |
| JPS59137642U (en) | Analog-to-digital converter | |
| JPS60111132U (en) | Digital data input circuit | |
| JPS60109197U (en) | signal converter | |
| JPS6093106U (en) | Automatic mode switching circuit | |
| JPS6045536U (en) | DA converter | |
| JPS5952783U (en) | Remote control signal discrimination circuit | |
| JPS6093496U (en) | AC/DC voltage conversion circuit | |
| JPS5994439U (en) | AD conversion device | |
| JPS6095606U (en) | Microcomputer input device for controlling in-vehicle electronic equipment | |
| JPS6133526U (en) | Comparator circuit | |
| JPS6062153U (en) | data logger | |
| JPS5857918U (en) | Highest point holding circuit | |
| JPS59126342U (en) | integral circuit | |
| JPS6040165U (en) | Synchronous separation circuit | |
| JPS59179382U (en) | slope detector | |
| JPS6087041U (en) | digitizing integrator | |
| JPS58103316U (en) | Differential transformer drive circuit | |
| JPS6082275U (en) | power detection circuit | |
| JPS59157399U (en) | Adjustment device | |
| JPS59118312U (en) | Amplifier | |
| JPS6113584U (en) | power supply | |
| JPS58189619U (en) | level shift circuit | |
| JPS60144790U (en) | power converter |