JPS581988U - display circuit - Google Patents

display circuit

Info

Publication number
JPS581988U
JPS581988U JP9629681U JP9629681U JPS581988U JP S581988 U JPS581988 U JP S581988U JP 9629681 U JP9629681 U JP 9629681U JP 9629681 U JP9629681 U JP 9629681U JP S581988 U JPS581988 U JP S581988U
Authority
JP
Japan
Prior art keywords
display circuit
light emitting
constant voltage
diodes
emitting diodes
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
JP9629681U
Other languages
Japanese (ja)
Inventor
良一 鈴木
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 JP9629681U priority Critical patent/JPS581988U/en
Publication of JPS581988U publication Critical patent/JPS581988U/en
Pending legal-status Critical Current

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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、従来の表示回路の一例を示す回路図、第２図
は本考案による表示回路の一実施例を示す回路図。 ＬＥＤｌｌ、ＬＥＤ□２〜ＬＥＤｎ１．ＬＥＤｎ２・・
・・・・発光ダイオード、ｚＤｌｌ、ＺＤ□２〜ｚＤ。 １．ｚＤｎ２・・・・・・定電圧タイオード、Ｒ□〜Ｒ
ｎ・・・・・・定電圧ダイオード保護抵抗、Ｒ１１〜Ｒ
ｎ１・・・・・・発光ダイオード保護抵抗。FIG. 1 is a circuit diagram showing an example of a conventional display circuit, and FIG. 2 is a circuit diagram showing an embodiment of the display circuit according to the present invention. LEDll, LED□2~LEDn1. LEDn2...
...Light emitting diode, zDll, ZD□2~zD. 1. zDn2... Constant voltage diode, R□~R
n....... Constant voltage diode protection resistor, R11~R
n1... Light emitting diode protection resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 極性の異なる電源を用いて、１本の情報線により２個の
発光ダイオードを点滅火する表示回路において、２個の
発光ダイオードと、１個の発光ダイオード保護抵抗と、
２個の定電圧ダイオードと１個の定電圧ダイオード保護
抵抗とを有し、前記発光ダイオードを逆極性の並列に、
該定電圧ダイオードを逆極性の直列に接続したことを特
徴とする表示回路。In a display circuit that blinks two light emitting diodes through one information line using power supplies with different polarities, the display circuit includes two light emitting diodes, one light emitting diode protection resistor,
It has two constant voltage diodes and one constant voltage diode protection resistor, and the light emitting diodes are connected in parallel with opposite polarity,
A display circuit characterized in that the constant voltage diodes are connected in series with opposite polarity.
JP9629681U 1981-06-29 1981-06-29 display circuit Pending JPS581988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9629681U JPS581988U (en) 1981-06-29 1981-06-29 display circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9629681U JPS581988U (en) 1981-06-29 1981-06-29 display circuit

Publications (1)

Publication Number Publication Date
JPS581988U true JPS581988U (en) 1983-01-07

Family

ID=29891168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9629681U Pending JPS581988U (en) 1981-06-29 1981-06-29 display circuit

Country Status (1)

Country Link
JP (1) JPS581988U (en)

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