JPH0186483U - - Google Patents
Info
- Publication number
- JPH0186483U JPH0186483U JP18218187U JP18218187U JPH0186483U JP H0186483 U JPH0186483 U JP H0186483U JP 18218187 U JP18218187 U JP 18218187U JP 18218187 U JP18218187 U JP 18218187U JP H0186483 U JPH0186483 U JP H0186483U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- transformer
- base
- emitter
- resistor
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例の回路図、第２図は
従来のインバータ回路の回路図、第３図はＥＬ素
子の等価回路の回路図である。
１……エレクトロルミネセンス素子（ＥＬ素子
）、Ｒ４，Ｒ５……抵抗、Ｃ１……コンデンサ、
Ｌ７……巻線コイル、Ｔｒ３……発振用ＮＰＮト
ランジスタ。
FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a circuit diagram of a conventional inverter circuit, and FIG. 3 is a circuit diagram of an equivalent circuit of an EL element. 1...Electroluminescent element (EL element), R4 , R5 ...Resistor, C1 ...Capacitor,
L7 ...Wound coil, Tr3 ...NPN transistor for oscillation.
Claims (1)
入力を該トランスの第１の巻線コイルと負荷の容
量成分により決定される周波数の交流出力に変換
するインバータ回路において、 該トランジスタのベースとコレクタとの間に接
続された第１の抵抗と、 該トランジスタのベースとエミツタとの間に接
続された第２の抵抗と、 直列に接続された前記トランスの第２の巻線コ
イルとコンデンサを含み、該トランジスタに発振
信号を帰還するために、前記第２の抵抗と並列に
該トランジスタのベースとエミツタとの間に設け
られた帰還回路とを具備してなるインバータ回路
。[Claims for Utility Model Registration] In an inverter circuit that includes an oscillating transistor and a transformer and converts a DC input into an AC output with a frequency determined by the capacitive components of the first winding coil of the transformer and the load, a first resistor connected between the base and collector of the transistor; a second resistor connected between the base and emitter of the transistor; and a second winding of the transformer connected in series. An inverter circuit comprising a coil and a capacitor, and a feedback circuit provided between the base and emitter of the transistor in parallel with the second resistor for feeding back an oscillation signal to the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18218187U JPH0186483U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18218187U JPH0186483U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186483U true JPH0186483U (en) | 1989-06-08 |
Family
ID=31473633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18218187U Pending JPH0186483U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0646574A (en) * | 1992-05-29 | 1994-02-18 | Nec Kansai Ltd | Driving circuit of capacitive load |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4531696Y1 (en) * | 1966-01-28 | 1970-12-04 |
-
1987
- 1987-11-30 JP JP18218187U patent/JPH0186483U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4531696Y1 (en) * | 1966-01-28 | 1970-12-04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0646574A (en) * | 1992-05-29 | 1994-02-18 | Nec Kansai Ltd | Driving circuit of capacitive load |
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