JPS6010386U - Display switching circuit - Google Patents
Display switching circuitInfo
- Publication number
- JPS6010386U JPS6010386U JP10249183U JP10249183U JPS6010386U JP S6010386 U JPS6010386 U JP S6010386U JP 10249183 U JP10249183 U JP 10249183U JP 10249183 U JP10249183 U JP 10249183U JP S6010386 U JPS6010386 U JP S6010386U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- switch
- series
- resistor
- light emitting
- 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図は従来回路の一例の回路図、第２図及び第３図は
夫々本考案回路の一実施例の回路図及びこれをオートリ
バース形テープレコーダのテープ走行方向表示装置に適
用した回路図である。′ＬＥＤ□、 ＬＥＤ２・・・・
・・発光ダイオード、Ｄ・・・・・・ダイオード、Ｒ５
，Ｒ６・・・・・・抵抗、ＳＷ・・・・・・スイッチ、
靴・・・・・・負荷。FIG. 1 is a circuit diagram of an example of a conventional circuit, and FIGS. 2 and 3 are circuit diagrams of an embodiment of the circuit of the present invention, and a circuit diagram in which this is applied to a tape running direction display device of an auto-reverse type tape recorder. It is. 'LED□, LED2...
...Light emitting diode, D...Diode, R5
, R6...Resistance, SW...Switch,
Shoes...Load.
Claims (1)
フで切換点灯表示し、かつ、該スイッチの一方の端子よ
りこのオン、オフに応じた出力を取出す表示切換回路に
おいて、第１の発光ダイオードとダイオードとを直列接
続してこの第１の直列接続の一端を電源の一方の端子に
、他端を第ｉの抵抗を介して該電源の他方の端子に接続
し、第２の抵抗と上記スイッチとを直列接続してこの第
２の直列接続の一端を該電源の一方の端子に、他端を該
電源の他方の端子に接続し、上記第１の直列接続と上記
第１の抵抗との接続点と、該第２の抵抗と上記スイッチ
との接続点との間に第２の発光ダイオードを接続し、該
第２の抵抗と上記スイッチとの接続点を上記出力を取出
す端子とし、上 ′記スイッチオフ時、該第２の発
光ダイオードが逆バイアスになるように上記出力を供給
される負荷、上記第１及び第２の抵抗の各抵抗値を設定
してなる表示切換回路。In a display switching circuit that displays two light emitting diodes by switching them on and off by turning on and off a changeover switch, and outputting an output corresponding to the on and off states from one terminal of the switch, a first light emitting diode is used. and a diode are connected in series, one end of this first series connection is connected to one terminal of the power supply, the other end is connected to the other terminal of the power supply via the i-th resistor, and the second resistor and the above-mentioned diode are connected in series. A switch is connected in series, one end of the second series connection is connected to one terminal of the power source, and the other end is connected to the other terminal of the power source, and the first series connection and the first resistor are connected in series. a second light emitting diode is connected between the connection point of the second resistor and the switch, and the connection point of the second resistor and the switch is used as a terminal for taking out the output; The display switching circuit configured to set the resistance values of the load to which the output is supplied and the first and second resistors so that the second light emitting diode becomes reverse biased when the switch is off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10249183U JPS6010386U (en) | 1983-07-01 | 1983-07-01 | Display switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10249183U JPS6010386U (en) | 1983-07-01 | 1983-07-01 | Display switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6010386U true JPS6010386U (en) | 1985-01-24 |
Family
ID=30241554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10249183U Pending JPS6010386U (en) | 1983-07-01 | 1983-07-01 | Display switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6010386U (en) |
-
1983
- 1983-07-01 JP JP10249183U patent/JPS6010386U/en active Pending
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