JPS5863692U - Disaster prevention display device - Google Patents

Disaster prevention display device

Info

Publication number
JPS5863692U
JPS5863692U JP15833181U JP15833181U JPS5863692U JP S5863692 U JPS5863692 U JP S5863692U JP 15833181 U JP15833181 U JP 15833181U JP 15833181 U JP15833181 U JP 15833181U JP S5863692 U JPS5863692 U JP S5863692U
Authority
JP
Japan
Prior art keywords
drive voltage
current
disaster prevention
variable drive
display
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
Application number
JP15833181U
Other languages
Japanese (ja)
Inventor
岡野　晴敏
Original Assignee
ニッタン株式会社
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 ニッタン株式会社 filed Critical ニッタン株式会社
Priority to JP15833181U priority Critical patent/JPS5863692U/en
Publication of JPS5863692U publication Critical patent/JPS5863692U/en
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Audible And Visible Signals (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図および第２図はこの考案の防災表示装置。 の実施例を示す回路図である。 Ｐ−Ｎ・・・・・・電源端子、Ｔ、Ｔ１・Ｔ２・・・・
・・信号入力端子、Ｑ・・・・・・トランジスタ、ＲＬ
・・・・・・リレー、ｒｌ・・・・・・リレニの切換接
点、Ｃ・・・・・・可動接片、Ａ、Ｂ・・・・・・固定
接片、ＺＤｌ・ｚＤ２・・・・・・ツェナーダイオード
、Ｄ□・Ｄ２・・・・・・ダイオード、ＣＴ・・・・・
・制御回路、Ｒ−Ｒ１〜３・・・・・・抵抗、ＳＷ・・
・・・・切換スイッチ、ＬＥＤ・・・・・・発光ダイオ
ード。Figures 1 and 2 show the disaster prevention display device of this invention. FIG. 2 is a circuit diagram showing an embodiment of the present invention. P-N...Power terminal, T, T1/T2...
...Signal input terminal, Q...Transistor, RL
...Relay, rl...Relay switching contact, C...Movable contact piece, A, B...Fixed contact piece, ZDl/zD2... ...Zener diode, D□・D2...Diode, CT...
・Control circuit, R-R1 to 3...Resistance, SW...
...Selector switch, LED...Light emitting diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動電圧または電流の変化により発光色が変化する表示
灯としての発光ダイオニドと、該発光ダイオードに所定
の駆動電圧または電流を印加する可変駆動電圧または可
変駆動電流発生回路と、火災警報信号等の表示信号に基
づき上記可変駆動電圧または可変駆動電流発生回路の駆
動電圧または電流を変化させる制御回路とを具備し、上
記表示信号の入力時に上記表示灯の発光色を変化させる
ことを特徴とする防災表示装置。A light emitting diode as an indicator light whose luminescent color changes depending on a change in drive voltage or current, a variable drive voltage or variable drive current generating circuit that applies a predetermined drive voltage or current to the light emitting diode, and a display for fire alarm signals, etc. A disaster prevention display comprising a control circuit that changes the drive voltage or current of the variable drive voltage or variable drive current generation circuit based on a signal, and changes the color of the light emitted from the indicator light when the display signal is input. Device.
JP15833181U 1981-10-26 1981-10-26 Disaster prevention display device Pending JPS5863692U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15833181U JPS5863692U (en) 1981-10-26 1981-10-26 Disaster prevention display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15833181U JPS5863692U (en) 1981-10-26 1981-10-26 Disaster prevention display device

Publications (1)

Publication Number Publication Date
JPS5863692U true JPS5863692U (en) 1983-04-28

Family

ID=29950829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15833181U Pending JPS5863692U (en) 1981-10-26 1981-10-26 Disaster prevention display device

Country Status (1)

Country Link
JP (1) JPS5863692U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151485A (en) * 1974-05-27 1975-12-05
JPS5149690A (en) * 1974-10-25 1976-04-30 Mitsubishi Electric Corp
JPS5697387A (en) * 1979-12-29 1981-08-06 Matsushita Electric Works Ltd Operation display system for disaster prevention system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151485A (en) * 1974-05-27 1975-12-05
JPS5149690A (en) * 1974-10-25 1976-04-30 Mitsubishi Electric Corp
JPS5697387A (en) * 1979-12-29 1981-08-06 Matsushita Electric Works Ltd Operation display system for disaster prevention system

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