JPH025229U - - Google Patents
Info
- Publication number
- JPH025229U JPH025229U JP8276488U JP8276488U JPH025229U JP H025229 U JPH025229 U JP H025229U JP 8276488 U JP8276488 U JP 8276488U JP 8276488 U JP8276488 U JP 8276488U JP H025229 U JPH025229 U JP H025229U
- Authority
- JP
- Japan
- Prior art keywords
- changeover
- changeover switch
- switch
- input terminals
- relay
- 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 4
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図及び第３図はその動作を示す回路図、第４図は
従来例を示す回路図、第５図及び第６図はその動
作を示す回路図である。
１，２，３……入力端子、４……出力端子、Ｄ
１，Ｄ２，Ｄ３……発光ダイオード、Ｓ１，Ｓ２
，Ｓ３，Ｓ４，Ｓ５……スイツチ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
3 and 3 are circuit diagrams showing its operation, FIG. 4 is a circuit diagram showing a conventional example, and FIGS. 5 and 6 are circuit diagrams showing its operation. 1, 2, 3...Input terminal, 4...Output terminal, D
1 , D2 , D3 ...Light emitting diode, S1 , S2
, S 3 , S 4 , S 5 ... switch.
Claims (1)
複数の他の入力端子のうちいずれかを選択する第
１の切換スイツチと、上記第１の入力端子に加え
られる信号か上記第１の切換スイツチの切換え出
力信号のいずれかを選択して出力端子に導出する
第２の切換スイツチと、上記第１及び第２の切換
スイツチをそれぞれ制御する第１及び第２のリレ
ーコイルと、該第１及び第２のリレーコイルへの
電源供給を制御するリレー制御スイツチとを有す
ることを特徴とする信号切換回路。 a first input terminal, a plurality of other input terminals, a first changeover switch for selecting one of the plurality of other input terminals; a second changeover switch that selects one of the changeover output signals of the changeover switch and outputs it to the output terminal; first and second relay coils that respectively control the first and second changeover switches; A signal switching circuit comprising a relay control switch that controls power supply to the first and second relay coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8276488U JPH025229U (en) | 1988-06-22 | 1988-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8276488U JPH025229U (en) | 1988-06-22 | 1988-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025229U true JPH025229U (en) | 1990-01-12 |
Family
ID=31307507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8276488U Pending JPH025229U (en) | 1988-06-22 | 1988-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025229U (en) |
-
1988
- 1988-06-22 JP JP8276488U patent/JPH025229U/ja active Pending