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
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 1
Description
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)
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
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) |
-
1987
- 1987-11-30 JP JP1987182182U patent/JPH0542636Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542636Y2 (en) | 1993-10-27 |
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