JPS5828386U - Gas leak signal repeater - Google Patents

Gas leak signal repeater

Info

Publication number
JPS5828386U
JPS5828386U JP12188181U JP12188181U JPS5828386U JP S5828386 U JPS5828386 U JP S5828386U JP 12188181 U JP12188181 U JP 12188181U JP 12188181 U JP12188181 U JP 12188181U JP S5828386 U JPS5828386 U JP S5828386U
Authority
JP
Japan
Prior art keywords
circuit
output
natural frequency
voltage
gas leak
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
JP12188181U
Other languages
Japanese (ja)
Other versions
JPS6327276Y2 (en
Inventor
田中　征一
横田　朗
修 中村
Original Assignee
ニツタン株式会社
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 ニツタン株式会社 filed Critical ニツタン株式会社
Priority to JP12188181U priority Critical patent/JPS5828386U/en
Publication of JPS5828386U publication Critical patent/JPS5828386U/en
Application granted granted Critical
Publication of JPS6327276Y2 publication Critical patent/JPS6327276Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (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 drawings]

第１図は本考案の一実施例を示す一部ブロック図を含む
回路図、第２図は上記実施例のガス洩れ信号中継器に接
続する受信機の一料を示す回路図である。 図において、１・・・固有周波数発振器、２・・・否定
回路、３・・・スイッチ、４・・・ＮＡＮＤ回路、５・
・・矩形波発振器、６，７・・・インバータ、Ｔ１〜Ｔ
３・・・トランジスタ、Ｃ□、Ｃ２・・・コンデンサ、
Ｒ□〜Ｒ３−抵抗、ＺＤ・・・ツェナーダイオード、Ｄ
ｌ・・・ダイオード。FIG. 1 is a circuit diagram including a partial block diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a part of a receiver connected to the gas leakage signal repeater of the above embodiment. In the figure, 1...natural frequency oscillator, 2...NOT circuit, 3...switch, 4...NAND circuit, 5...
...Square wave oscillator, 6,7...Inverter, T1-T
3...Transistor, C□, C2...Capacitor,
R□~R3-resistance, ZD... Zener diode, D
l...Diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 固有の周波数を発振する固有周波数発振器と、該固有周
波数発振器の出力を中継線に送出子る送出回路と、該送
出回路を断続的にオンオフさせる矩形波発振器と、ガス
感知器から送られる一定の第１電圧以上でオンし前記固
有周波数発振器を動作可能はする駆動回路と、ガス感知
器から送られる前記第１電圧より高い第２電圧を検出す
る第２電圧検出回路と、該第２電圧検出回路の出力を否
定する否定回路および該否定回路の入出力を短絡するス
イッチとを備えて、上記否定回路又は上記スイッチの出
力によって前記矩形波発振器を動作可能にすることを特
徴とするガス漏れ信号中継器。A natural frequency oscillator that oscillates a natural frequency, a sending circuit that sends the output of the natural frequency oscillator to a relay line, a square wave oscillator that turns the sending circuit on and off intermittently, and a constant frequency that is sent from the gas sensor. a drive circuit that turns on at a first voltage or higher and enables the natural frequency oscillator to operate; a second voltage detection circuit that detects a second voltage higher than the first voltage sent from the gas sensor; and the second voltage detection circuit. A gas leak signal comprising: a negation circuit that negates the output of the circuit; and a switch that short-circuits input and output of the negation circuit, and enables the square wave oscillator to operate by the output of the negation circuit or the switch. Repeater.
JP12188181U 1981-08-19 1981-08-19 Gas leak signal repeater Granted JPS5828386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12188181U JPS5828386U (en) 1981-08-19 1981-08-19 Gas leak signal repeater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12188181U JPS5828386U (en) 1981-08-19 1981-08-19 Gas leak signal repeater

Publications (2)

Publication Number Publication Date
JPS5828386U true JPS5828386U (en) 1983-02-23
JPS6327276Y2 JPS6327276Y2 (en) 1988-07-22

Family

ID=29915819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12188181U Granted JPS5828386U (en) 1981-08-19 1981-08-19 Gas leak signal repeater

Country Status (1)

Country Link
JP (1) JPS5828386U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6318500A (en) * 1986-07-10 1988-01-26 松下電器産業株式会社 Centralized gas telemetering apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6318500A (en) * 1986-07-10 1988-01-26 松下電器産業株式会社 Centralized gas telemetering apparatus

Also Published As

Publication number Publication date
JPS6327276Y2 (en) 1988-07-22

Similar Documents

Publication Publication Date Title
JPS5828386U (en) Gas leak signal repeater
JPS5828387U (en) Gas leak signal repeater
JPS59174740U (en) proximity switch
JPS5991067U (en) answering machine
JPS6013476U (en) Contact signal line disconnection detection circuit
JPS5972587U (en) clock circuit
JPS59180071U (en) gas safety device
JPS6043022U (en) automatic tuning receiver
JPS5873655U (en) Reception frequency display device
JPS5954865U (en) Ultrasonic object detection device
JPS5888173U (en) radar tracking circuit
JPS585185U (en) Gas leak alarm device
JPS6055130U (en) switch circuit
JPS6065897U (en) intermittent alarm device
JPS5947368U (en) Engine starting preheating device
JPS5861553U (en) receiving device
JPS5832592U (en) Detector connection circuit
JPS5816960U (en) Transmission failure information transmission device
JPS5914426U (en) input circuit
JPS5923457U (en) Vehicle wiper drive control circuit
JPS6045547U (en) Transmitter battery warning device in wireless microphone system
JPS58145574U (en) Wiring search device
JPS59115208U (en) microwave oven
JPS60103922U (en) mixer circuit
JPS5830351U (en) receiver with clock