JPH0261025U - - Google Patents
Info
- Publication number
- JPH0261025U JPH0261025U JP14000288U JP14000288U JPH0261025U JP H0261025 U JPH0261025 U JP H0261025U JP 14000288 U JP14000288 U JP 14000288U JP 14000288 U JP14000288 U JP 14000288U JP H0261025 U JPH0261025 U JP H0261025U
- Authority
- JP
- Japan
- Prior art keywords
- analog
- analog signal
- relay
- relay means
- controls
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
Description
第１図ないし第３図はこの考案を適用した電子
弦楽器の弦振動ピツクアツプ信号切換回路を説明
するためのものであり、第１図はその全体回路構
成図、第２図は第１図におけるマイクロコンピユ
ータ４の切換制御フローチヤート図、第３図は切
換制御動作を説明するタイムチヤート図、第４図
、第５図は従来の電子弦楽器の弦振動ピツクアツ
プ信号切換回路を説明するためのものであり、第
４図はその全体回路構成図、第５図は第４図にお
けるマイクロコンピユータ４の切換制御フローチ
ヤート図である。
１…増幅器、２…スピーカ、４…マイクロコン
ピユータ、ｇ１，ｇ２，ｇ３，ｇｍ…アナログ信
号線、ａ１，ａ２，ａ３…アナログスイツチ、ｍ
１，ｍ２，ｍ３…ミキシング抵抗、Ｒ…リレー。
1 to 3 are for explaining a string vibration pickup signal switching circuit for an electronic stringed instrument to which this invention is applied. FIG. 3 is a flow chart for switching control of the computer 4, FIG. 3 is a time chart for explaining the switching control operation, and FIGS. 4 and 5 are for explaining a conventional string vibration pickup signal switching circuit for an electronic stringed instrument. , FIG. 4 is an overall circuit configuration diagram thereof, and FIG. 5 is a switching control flowchart of the microcomputer 4 in FIG. 4. 1...Amplifier, 2...Speaker, 4...Microcomputer, g1 , g2 , g3 , gm ...Analog signal line, a1 , a2 , a3 ...Analog switch, m
1 , m2 , m3 ...mixing resistance, R...relay.
Claims (1)
線と、 このアナログ信号線のそれぞれに設けられ、オ
ンオフ動作によつてアナログ信号の伝達を切換え
るアナログスイツチ手段と、 このアナログスイツチ手段を介して１本とした
アナログ信号線に設けられて、オンオフ動作によ
つてアナログ信号の伝達を制御するリレー手段と
、 このリレー手段と上記アナログスイツチ手段と
のオンオフ動作を制御して、上記リレー手段がオ
フ状態においてのみ上記アナログスイツチ手段を
オンオフ動作させる制御手段と、 を備えたことを特徴とするアナログ信号切換回
路。[Claims for Utility Model Registration] A plurality of analog signal lines for transmitting analog signals; an analog switch means provided on each of the analog signal lines for switching the transmission of analog signals by an on/off operation; a relay means which is provided on a single analog signal line via a means and controls the transmission of the analog signal by an on/off operation, and a relay means which controls the on/off operation of the relay means and the analog switch means, An analog signal switching circuit comprising: control means for turning on and off the analog switch means only when the relay means is in an off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14000288U JPH0261025U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14000288U JPH0261025U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261025U true JPH0261025U (en) | 1990-05-07 |
Family
ID=31403777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14000288U Pending JPH0261025U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054365A1 (en) * | 2004-11-22 | 2006-05-26 | Test Research Laboratories Inc. | Multiplexer circuit |
-
1988
- 1988-10-28 JP JP14000288U patent/JPH0261025U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054365A1 (en) * | 2004-11-22 | 2006-05-26 | Test Research Laboratories Inc. | Multiplexer circuit |
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