JPS59144572U - Automatic output switching device - Google Patents

Automatic output switching device

Info

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
Application number
JP3886283U
Other languages
Japanese (ja)
Other versions
JPH0441336Y2 (en
Inventor
亀山　昭
Original Assignee
パイオニア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP3886283U priority Critical patent/JPS59144572U/en
Publication of JPS59144572U publication Critical patent/JPS59144572U/en
Application granted granted Critical
Publication of JPH0441336Y2 publication Critical patent/JPH0441336Y2/ja
Granted legal-status Critical Current

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１、第２の交流入力信号をそれぞれ直流に変換する第
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.
JP3886283U 1983-03-17 1983-03-17 Automatic output switching device Granted JPS59144572U (en)

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)

Also Published As

Publication number Publication date
JPH0441336Y2 (en) 1992-09-29

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