JPS60692U - Intermittent drive circuit for light emitting elements - Google Patents
Intermittent drive circuit for light emitting elementsInfo
- Publication number
- JPS60692U JPS60692U JP9059883U JP9059883U JPS60692U JP S60692 U JPS60692 U JP S60692U JP 9059883 U JP9059883 U JP 9059883U JP 9059883 U JP9059883 U JP 9059883U JP S60692 U JPS60692 U JP S60692U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- drive circuit
- intermittent drive
- emitting elements
- power supply
- 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
- Audible And Visible Signals (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来回路を使用したテープ端検出装置の一例を
示す回路系統図、第２図はカセット内部の構成の一例を
示す図、第３図は本考案回路の一実施例をテープ端検出
装置に適用した場合の回路系統図、第４図は第３図図示
回路系統中のコンデンサの両端間の電圧波形の一例を示
す図である。
４・・・・・・検出器、５・・・・・・供給リール、６
・・・・・・巻取りリール、７・・・・・・発光ダイオ
ード挿入用凹部、８・・・・・・磁気テープ、１０・・
・・・・定電流回路、１１・・・・・・第１の電源端子
、１２・・・・・・第２の電源端子、１３・・・・・・
パルス発生回路、Ｄ工、Ｄ２・・・・・・発光ダイオー
ド、Ｑ３・・・・・・ＰＮＰ ）−ランジスタ、Ｑ４・
・・・・・スイッチング用ＮＰＮトランジスタ、ＺＤ・
・・・・・ツェナーダイオード、Ｃ□・・・・・・コン
デンサ。Figure 1 is a circuit diagram showing an example of a tape end detection device using a conventional circuit, Figure 2 is a diagram showing an example of the internal configuration of a cassette, and Figure 3 is an example of a tape end detection device using the circuit of the present invention. FIG. 4 is a diagram showing an example of a voltage waveform across a capacitor in the circuit system shown in FIG. 3. 4...Detector, 5...Supply reel, 6
...Take-up reel, 7...Recess for inserting light emitting diode, 8...Magnetic tape, 10...
... Constant current circuit, 11... First power terminal, 12... Second power terminal, 13...
Pulse generation circuit, D, D2...Light emitting diode, Q3...PNP) - transistor, Q4...
・・・・・・NPN transistor for switching, ZD・
... Zener diode, C□ ... Capacitor.
Claims (1)
電流回路の他端と第２の電源端子との間に接続されたコ
ンデンサと、該定電流回路と該コンデンサとの接続点と
該第２の電源端子との間に互いに直列に接続された発光
素子及びスイッチング素子と、該スイッチング素子にパ
ルスを供給して該スイッチング素子をスイッチングする
ことにより該発光素子に間欠的に駆動電流を流させるパ
ルス発生回路とより構成した発光素子の間欠駆動回路。A constant current circuit whose one end is connected to a first power supply terminal, a capacitor connected between the other end of the constant current circuit and the second power supply terminal, and a connection point between the constant current circuit and the capacitor. and the second power supply terminal, a light emitting element and a switching element are connected in series to each other, and a driving current is intermittently applied to the light emitting element by supplying pulses to the switching element to switch the switching element. An intermittent drive circuit for a light emitting element, which is composed of a pulse generation circuit that causes a current to flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9059883U JPS60692U (en) | 1983-06-13 | 1983-06-13 | Intermittent drive circuit for light emitting elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9059883U JPS60692U (en) | 1983-06-13 | 1983-06-13 | Intermittent drive circuit for light emitting elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60692U true JPS60692U (en) | 1985-01-07 |
Family
ID=30220534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9059883U Pending JPS60692U (en) | 1983-06-13 | 1983-06-13 | Intermittent drive circuit for light emitting elements |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03102493A (en) * | 1989-09-14 | 1991-04-26 | Kubota Corp | Goods delivery device for automatic vending machine |
-
1983
- 1983-06-13 JP JP9059883U patent/JPS60692U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03102493A (en) * | 1989-09-14 | 1991-04-26 | Kubota Corp | Goods delivery device for automatic vending machine |
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