JPS58176395U - lamp test circuit - Google Patents

lamp test circuit

Info

Publication number
JPS58176395U
JPS58176395U JP7431782U JP7431782U JPS58176395U JP S58176395 U JPS58176395 U JP S58176395U JP 7431782 U JP7431782 U JP 7431782U JP 7431782 U JP7431782 U JP 7431782U JP S58176395 U JPS58176395 U JP S58176395U
Authority
JP
Japan
Prior art keywords
light emitting
test circuit
lamp
lamp test
emitting diode
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
JP7431782U
Other languages
Japanese (ja)
Inventor
洋 高橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP7431782U priority Critical patent/JPS58176395U/en
Publication of JPS58176395U publication Critical patent/JPS58176395U/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 the drawing]

第１図は従来のランプ、テスト回路、第２図は本考案に
よるランプテスト回路を示す。 １・・・・・・ランプ、２・・・・・・電流制限用抵抗
、３・・・・・・まわり込み防止用ダイオード、４・・
・・・・ランプ駆動回路、５・・・・・・ランプテスト
用駆動回路、６・・・・・・発光ダイオード、７・・・
・・・発光ダイオード駆動回路。FIG. 1 shows a conventional lamp test circuit, and FIG. 2 shows a lamp test circuit according to the present invention. 1... Lamp, 2... Resistor for current limiting, 3... Diode for preventing wraparound, 4...
... Lamp drive circuit, 5 ... Lamp test drive circuit, 6 ... Light emitting diode, 7 ...
...Light emitting diode drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ランプの一端には電源が、他端には抵抗と発光ダイオー
ドおよび前記発光ダイオード駆動回路が接続されて成り
、前記発光ダイオードの発光状態により前記ランプ切れ
を確認することを特徴とするランプテスト回路。A lamp test circuit comprising a power source connected to one end of the lamp, and a resistor, a light emitting diode, and the light emitting diode drive circuit connected to the other end, and checking whether the lamp is burnt out based on the light emitting state of the light emitting diode.
JP7431782U 1982-05-20 1982-05-20 lamp test circuit Pending JPS58176395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7431782U JPS58176395U (en) 1982-05-20 1982-05-20 lamp test circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7431782U JPS58176395U (en) 1982-05-20 1982-05-20 lamp test circuit

Publications (1)

Publication Number Publication Date
JPS58176395U true JPS58176395U (en) 1983-11-25

Family

ID=30083754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7431782U Pending JPS58176395U (en) 1982-05-20 1982-05-20 lamp test circuit

Country Status (1)

Country Link
JP (1) JPS58176395U (en)

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