JPH0186196U - - Google Patents

Info

Publication number
JPH0186196U
JPH0186196U JP1987182182U JP18218287U JPH0186196U JP H0186196 U JPH0186196 U JP H0186196U JP 1987182182 U JP1987182182 U JP 1987182182U JP 18218287 U JP18218287 U JP 18218287U JP H0186196 U JPH0186196 U JP H0186196U
Authority
JP
Japan
Prior art keywords
voltage
section
reference voltage
generation
inverter circuit
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
JP1987182182U
Other languages
Japanese (ja)
Other versions
JPH0542636Y2 (en
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 filed Critical
Priority to JP1987182182U priority Critical patent/JPH0542636Y2/ja
Publication of JPH0186196U publication Critical patent/JPH0186196U/ja
Application granted granted Critical
Publication of JPH0542636Y2 publication Critical patent/JPH0542636Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の原理ブロツク図、第2図は本
考案の一実施例の回路図、第3図はインバータ回
路のトランジスタの動作状態を示す図、第4図は
オープン対策保護回路の動作説明図、第5図は起
動及び発振停止保護回路の動作説明図、第6図は
従来回路の回路図、第7図はEL素子の等価回路
図である。 1…電圧制御部、2…検出部、3…遅延時間発
生部、4…比較部、5…EL素子、6…インバー
タ回路、Cd…コンデンサ。
Fig. 1 is a block diagram of the principle of the present invention, Fig. 2 is a circuit diagram of an embodiment of the invention, Fig. 3 is a diagram showing the operating state of the transistor in the inverter circuit, and Fig. 4 is the operation of the open protection circuit. FIG. 5 is an explanatory diagram of the operation of the start-up and oscillation stop protection circuit, FIG. 6 is a circuit diagram of a conventional circuit, and FIG. 7 is an equivalent circuit diagram of an EL element. DESCRIPTION OF SYMBOLS 1... Voltage control part, 2... Detection part, 3... Delay time generation part, 4... Comparison part, 5... EL element, 6... Inverter circuit, Cd... Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 出力電圧を変化させることができる電圧制御部
と、該電圧制御部の出力電圧を検出する検出部と
、基準電圧を発生する基準電圧発生部と、該検出
部が検出した検出電圧と該基準電圧発生部が発生
した基準電圧とを比較しその差に応じて発生する
出力信号によつて該電圧制御部の出力電圧を変化
させる比較部とを有し、エレクトロルミネセンス
素子を負荷とするインバータ回路に定電圧を供給
するインバータ回路用の定電圧発生回路において
、該基準電圧発生部にコンデンサを設けて遅延時
間発生部とし、電源投入時から該遅延時間発生部
による基準電圧発生までの期間を遅延させる構成
としたインバータ回路用の定電圧発生回路。
A voltage control section that can change the output voltage, a detection section that detects the output voltage of the voltage control section, a reference voltage generation section that generates a reference voltage, a detected voltage detected by the detection section, and the reference voltage. An inverter circuit having an electroluminescent element as a load, comprising a comparison section that compares a reference voltage generated by the generation section and changes the output voltage of the voltage control section using an output signal generated according to the difference. In a constant voltage generation circuit for an inverter circuit that supplies a constant voltage to an inverter circuit, a capacitor is provided in the reference voltage generation section to function as a delay time generation section, and the period from power-on to reference voltage generation by the delay time generation section is delayed. A constant voltage generation circuit for an inverter circuit configured to
JP1987182182U 1987-11-30 1987-11-30 Expired - Lifetime JPH0542636Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987182182U JPH0542636Y2 (en) 1987-11-30 1987-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987182182U JPH0542636Y2 (en) 1987-11-30 1987-11-30

Publications (2)

Publication Number Publication Date
JPH0186196U true JPH0186196U (en) 1989-06-07
JPH0542636Y2 JPH0542636Y2 (en) 1993-10-27

Family

ID=31473634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987182182U Expired - Lifetime JPH0542636Y2 (en) 1987-11-30 1987-11-30

Country Status (1)

Country Link
JP (1) JPH0542636Y2 (en)

Also Published As

Publication number Publication date
JPH0542636Y2 (en) 1993-10-27

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