JPS61195640U - - Google Patents
Info
- Publication number
- JPS61195640U JPS61195640U JP7939885U JP7939885U JPS61195640U JP S61195640 U JPS61195640 U JP S61195640U JP 7939885 U JP7939885 U JP 7939885U JP 7939885 U JP7939885 U JP 7939885U JP S61195640 U JPS61195640 U JP S61195640U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- switching circuit
- transistor
- state
- depending
- 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図は本考案による信号切替回路の一実施例
を示す回路図、及び第２図は従来の回路例を示す
回路図である。
１１，１２……入力端子、１３……スイツチ、
１４……出力端子、Ｑ１，Ｑ２……トランジスタ
。
FIG. 1 is a circuit diagram showing an embodiment of a signal switching circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional circuit. 11, 12...Input terminal, 13...Switch,
14...Output terminal, Q1 , Q2 ...Transistor.
Claims (1)
共にエミツタが相互接続された２つのエミツタホ
ロワ接続のトランジスタと、 一方のスイツチ状態により前記トランジスタの
一方を遮断状態にするスイツチとを備え、 前記一方のトランジスタの遮断状態により他方
のトランジスタに対応する入力端子からの信号の
みを優先的に出力するようにしたことを特徴とす
る信号切替回路。[Claims for Utility Model Registration] Two emitter-follower connected transistors, each having its base connected to each of its input terminals and whose emitters are mutually connected; and a switch which, depending on the state of one of the transistors, turns off one of the transistors. A signal switching circuit comprising: a signal switching circuit configured to preferentially output only a signal from an input terminal corresponding to the other transistor depending on a cut-off state of the one transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7939885U JPS61195640U (en) | 1985-05-29 | 1985-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7939885U JPS61195640U (en) | 1985-05-29 | 1985-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61195640U true JPS61195640U (en) | 1986-12-05 |
Family
ID=30624275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7939885U Pending JPS61195640U (en) | 1985-05-29 | 1985-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195640U (en) |
-
1985
- 1985-05-29 JP JP7939885U patent/JPS61195640U/ja active Pending
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