JPH03129995U - - Google Patents
Info
- Publication number
- JPH03129995U JPH03129995U JP3840590U JP3840590U JPH03129995U JP H03129995 U JPH03129995 U JP H03129995U JP 3840590 U JP3840590 U JP 3840590U JP 3840590 U JP3840590 U JP 3840590U JP H03129995 U JPH03129995 U JP H03129995U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- drive circuit
- circuit
- electroluminescence
- electroluminescent
- 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
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例を示したブロツク図
、第２図は動作説明のための電圧波形図である。
１……基準信号発生回路、２……信号発生回路
、３……制御回路、４……駆動回路、５……トラ
ンス、６……エレクトロルミネセンス素子。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a voltage waveform diagram for explaining the operation. DESCRIPTION OF SYMBOLS 1... Reference signal generation circuit, 2... Signal generation circuit, 3... Control circuit, 4... Drive circuit, 5 ... Transformer, 6... Electroluminescence element.
Claims (1)
上記基準信号を受けて第１の信号およびこの第１
の信号より低周波数の第２の信号を発生する信号
発生回路と、第１の信号を第２の信号によつて変
調する制御回路と、この制御回路からの変調され
た信号によつてトランスを駆動する駆動回路と、
上記トランスの２次側に設けたエレクトロルミネ
センス素子とからなることを特徴とするエレクト
ロルミネセンス駆動回路。 (2) 第１の信号の周波数は、上記トランスの２
次側コイルおよび上記エレクトロルミネセンス素
子の容量成分によつて決まる共振周波数にほぼ等
しいことを特徴とする請求項１に記載のエレクト
ロルミネセンス駆動回路。 (3) 第１の信号は数百Ｈｚ〜数千Ｈｚ、第２の
信号は３０Ｈｚ〜数百Ｈｚに設定してあることを
特徴とする請求項１または２に記載のエレクトロ
ルミネセンス駆動回路。[Scope of claims for utility model registration] (1) A reference signal generation circuit that generates a reference signal;
In response to the reference signal, the first signal and the first
a signal generating circuit that generates a second signal having a lower frequency than the signal of the second signal; a control circuit that modulates the first signal with the second signal; and a transformer that uses the modulated signal from the control circuit. A drive circuit that drives the
An electroluminescence drive circuit comprising an electroluminescence element provided on the secondary side of the transformer. (2) The frequency of the first signal is
2. The electroluminescent driving circuit according to claim 1, wherein the electroluminescent drive circuit has a resonance frequency approximately equal to a resonance frequency determined by a capacitance component of the secondary coil and the electroluminescent element. (3) The electroluminescence drive circuit according to claim 1 or 2, wherein the first signal is set at several hundred Hz to several thousand Hz, and the second signal is set at 30 Hz to several hundred Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3840590U JPH03129995U (en) | 1990-04-10 | 1990-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3840590U JPH03129995U (en) | 1990-04-10 | 1990-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129995U true JPH03129995U (en) | 1991-12-26 |
Family
ID=31546382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3840590U Pending JPH03129995U (en) | 1990-04-10 | 1990-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129995U (en) |
-
1990
- 1990-04-10 JP JP3840590U patent/JPH03129995U/ja active Pending
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