JPS5828893U - display circuit - Google Patents
display circuitInfo
- Publication number
- JPS5828893U JPS5828893U JP12402281U JP12402281U JPS5828893U JP S5828893 U JPS5828893 U JP S5828893U JP 12402281 U JP12402281 U JP 12402281U JP 12402281 U JP12402281 U JP 12402281U JP S5828893 U JPS5828893 U JP S5828893U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- diode
- transistor
- display circuit
- voltage
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の表示回路の結線図、第２図はこの考案の
表示回路の１実施例の結線図である。FIG. 1 is a wiring diagram of a conventional display circuit, and FIG. 2 is a wiring diagram of one embodiment of the display circuit of this invention.
Claims (1)
該コンデンサに直列に接続された整流用の第１ダイオー
ドと、一端が前記第１コンデンサと前記第１ダイオード
の接続点に接続され前記第１コンデンサの充電路を形成
する整流用の第２ダイオードとにより、入力信号の倍電
圧整流回路を構成し、前記倍電圧整流回路の整流出力を
平滑する平滑用の第２コンデンサと、平滑された前記整
流出力がベースに入力されるトランジスタと、該トラン
ジスタにより点灯制御される表示素手とを備えるととも
に、前記第２ダイオードの他端を前記ｔ−ランジスタの
エミッタに接続し、前記第２ダイオードの動作基準電圧
を前記トランジスタのエ −ミッタ電圧により制御した
表示回路。a first capacitor for charging connected to the signal input terminal;
a first rectifying diode connected in series to the capacitor; and a second rectifying diode having one end connected to a connection point between the first capacitor and the first diode to form a charging path for the first capacitor. constitutes a voltage doubler rectifier circuit for an input signal, a second smoothing capacitor for smoothing the rectified output of the voltage doubler rectifier circuit, a transistor to which the smoothed rectified output is input to the base; a display circuit whose lighting is controlled; the other end of the second diode is connected to the emitter of the T-transistor; and the operating reference voltage of the second diode is controlled by the emitter voltage of the transistor. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12402281U JPS5828893U (en) | 1981-08-20 | 1981-08-20 | display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12402281U JPS5828893U (en) | 1981-08-20 | 1981-08-20 | display circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5828893U true JPS5828893U (en) | 1983-02-24 |
| JPH0342476Y2 JPH0342476Y2 (en) | 1991-09-05 |
Family
ID=29917910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12402281U Granted JPS5828893U (en) | 1981-08-20 | 1981-08-20 | display circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828893U (en) |
-
1981
- 1981-08-20 JP JP12402281U patent/JPS5828893U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0342476Y2 (en) | 1991-09-05 |
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