JPS60172469U - control circuit - Google Patents

control circuit

Info

Publication number
JPS60172469U
JPS60172469U JP6008184U JP6008184U JPS60172469U JP S60172469 U JPS60172469 U JP S60172469U JP 6008184 U JP6008184 U JP 6008184U JP 6008184 U JP6008184 U JP 6008184U JP S60172469 U JPS60172469 U JP S60172469U
Authority
JP
Japan
Prior art keywords
diode
light emitting
emitting diode
cathode
push button
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
JP6008184U
Other languages
Japanese (ja)
Other versions
JPH0418074Y2 (en
Inventor
井手下　憲彦
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP6008184U priority Critical patent/JPS60172469U/en
Publication of JPS60172469U publication Critical patent/JPS60172469U/en
Application granted granted Critical
Publication of JPH0418074Y2 publication Critical patent/JPH0418074Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Audible And Visible Signals (AREA)
  • Switch Cases, Indication, And Locking (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構成図、第２図は本考
案を説明するための発光ダイオードの特性を示す図、第
３図は従来の制御回路を示す構成図、第４図は第３図を
構成する切替回路の一実施例を示す構成図である。 １１・・・押釦スイッチ、１２・・・発光ダイオード、
１３・・・切替回路、１４・・・電源端子、１５・・・
抵抗器、１６・・・ダイオード、１７・・・定電圧ダイ
オ□−−ド。Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing the characteristics of a light emitting diode to explain the present invention, Fig. 3 is a block diagram showing a conventional control circuit, and Fig. 4 is a block diagram showing an embodiment of the present invention. 3 is a configuration diagram showing an embodiment of the switching circuit configuring FIG. 3. FIG. 11...Push button switch, 12...Light emitting diode,
13...Switching circuit, 14...Power terminal, 15...
Resistor, 16...diode, 17... constant voltage diode □--de.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光ダイオード番内蔵した押釦スイッチと、前記発光ダ
イオードの電流を制限する抵抗器と、゛制御入力側にダ
イオードのアノードを接続するとともにタリー出力側に
定電圧ダイオードのアノードを接続し前記押釦スイッチ
により制御される切替回路とを具備し前記発光ダイオー
ドのカソードと前記押釦スイッチの接点との接続点と前
記ダイオードのカソードと前記定電圧ダイオードのカソ
ー−ドとの接続点とを接続し、かつ前記定電圧ダイオー
ドの飽和電圧による前記発光ダイオードの明るさの低下
をほぼ吸収する如く前記抵抗器の抵抗値を制限したこと
を特徴とする制御回路。A push button switch with a built-in light emitting diode number, a resistor that limits the current of the light emitting diode, and an anode of the diode connected to the control input side and an anode of a constant voltage diode connected to the tally output side, and controlled by the push button switch. a switching circuit that connects a connection point between the cathode of the light emitting diode and the contact of the push button switch and a connection point between the cathode of the diode and the cathode of the constant voltage diode; A control circuit characterized in that the resistance value of the resistor is limited so as to substantially absorb a decrease in the brightness of the light emitting diode due to the saturation voltage of the diode.
JP6008184U 1984-04-24 1984-04-24 control circuit Granted JPS60172469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6008184U JPS60172469U (en) 1984-04-24 1984-04-24 control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6008184U JPS60172469U (en) 1984-04-24 1984-04-24 control circuit

Publications (2)

Publication Number Publication Date
JPS60172469U true JPS60172469U (en) 1985-11-15
JPH0418074Y2 JPH0418074Y2 (en) 1992-04-22

Family

ID=30587098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6008184U Granted JPS60172469U (en) 1984-04-24 1984-04-24 control circuit

Country Status (1)

Country Link
JP (1) JPS60172469U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326177A (en) * 1986-07-18 1988-02-03 Sony Corp Controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326177A (en) * 1986-07-18 1988-02-03 Sony Corp Controller

Also Published As

Publication number Publication date
JPH0418074Y2 (en) 1992-04-22

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