JPS6210532U - - Google Patents
Info
- Publication number
- JPS6210532U JPS6210532U JP10064885U JP10064885U JPS6210532U JP S6210532 U JPS6210532 U JP S6210532U JP 10064885 U JP10064885 U JP 10064885U JP 10064885 U JP10064885 U JP 10064885U JP S6210532 U JPS6210532 U JP S6210532U
- Authority
- JP
- Japan
- Prior art keywords
- changeover
- switching
- potential
- switch
- resistors
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例におけるスイツチ切
換回路の回路図、第２図、第３図は従来のスイツ
チ切換回路の回路図である。
Ｓ…１回路２接点の切換スイツチ、Ｒ１，Ｒ２
，Ｒ３，Ｒ４…ａ点、ｂ点の電位を決める抵抗、
Ｒ５，Ｒ６…トランジスタＯＮさせるためのベー
ス抵抗、Ｑ１，Ｑ２，Ｑ３，Ｑ４…ａ点、ｂ点を
アースへ接続するためのスイツチングトランジス
タ。
FIG. 1 is a circuit diagram of a switch switching circuit according to an embodiment of the present invention, and FIGS. 2 and 3 are circuit diagrams of conventional switch switching circuits. S...1 circuit 2 contact changeover switch, R1 , R2
, R 3 , R 4 ...resistors that determine the potentials of points a and b,
R 5 , R 6 . . . base resistors for turning on the transistors; Q 1 , Q 2 , Q 3 , Q 4 . . . switching transistors for connecting points a and b to ground.
Claims (1)
点の電位を決定するために上記２つの切換点にそ
れぞれ抵抗を介して固定端子が接続され、可動端
子に電源電圧が供給される１回路２接点の切換ス
イツチと、上記２つの切換点にそれぞれ２つの抵
抗を介してベースが接続され、上記切換スイツチ
の切換え動作に応動して電位が決定される切換点
とは異なる他方の切換点をアース電位とするよう
に上記それぞれの２つの抵抗の接続点とアース間
に挿入した第１、第２のスイツチングトランジス
タを備えたことを特徴とするスイツチ切換回路。 In order to determine the potential of two specific switching points of a circuit block as a load, a fixed terminal is connected to each of the above two switching points via a resistor, and a power supply voltage is supplied to a movable terminal. A base is connected to the changeover switch and the above two changeover points through two resistors, respectively, and the other changeover point, which is different from the changeover point whose potential is determined in response to the changeover operation of the changeover switch, is connected to ground potential. A switch switching circuit comprising first and second switching transistors inserted between the connection point of each of the two resistors and ground so as to do so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10064885U JPS6210532U (en) | 1985-07-02 | 1985-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10064885U JPS6210532U (en) | 1985-07-02 | 1985-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6210532U true JPS6210532U (en) | 1987-01-22 |
Family
ID=30970664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10064885U Pending JPS6210532U (en) | 1985-07-02 | 1985-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6210532U (en) |
-
1985
- 1985-07-02 JP JP10064885U patent/JPS6210532U/ja active Pending
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