JPS6218804U - - Google Patents
Info
- Publication number
- JPS6218804U JPS6218804U JP10974685U JP10974685U JPS6218804U JP S6218804 U JPS6218804 U JP S6218804U JP 10974685 U JP10974685 U JP 10974685U JP 10974685 U JP10974685 U JP 10974685U JP S6218804 U JPS6218804 U JP S6218804U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- charging
- fade
- circuit
- control circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図及び第２図は本考案による回路を適用し
た磁気録音再生装置の信号系回路及びコントロー
ル回路をそれぞれ示す回路図、第３図は第２図中
のコントロール回路の動作を例示するフローチヤ
ート図、第４図及び第５図は従来回路の適用例を
示す回路図である。
Ｓ１…フエーダスイツチ、Ｓ２…ソースインス
イツチ、Ｓ３…フエードアウトスイツチ、Ｓ４…
テープインスイツチ、２５…コントロール回路、
２６ａ，２６ｂ…フエーダコントロール回路、Ｒ
１，Ｒ９…抵抗、Ｃ…コンデンサ。
1 and 2 are circuit diagrams showing the signal system circuit and control circuit, respectively, of a magnetic recording and reproducing device to which the circuit according to the present invention is applied, and FIG. 3 is a flowchart illustrating the operation of the control circuit in FIG. 2. 4 and 5 are circuit diagrams showing application examples of conventional circuits. S1 ...Fade switch, S2 ...Source in switch, S3 ...Fade out switch, S4 ...
Tape-in switch, 25...control circuit,
26a, 26b...fader control circuit, R
1 , R9 ...resistance, C...capacitor.
Claims (1)
エードアウトスイツチを含む操作スイツチと、 信号路中に設けられた電子ボリユームと、 充電コンデンサを有し、該充電コンデンサの充
電電圧により前記電子ボリユームを制御するコン
トロール回路とを備え、 前記コントロール回路は前記フエードインスイ
ツチの操作に応じて前記充電コンデンサを所定時
間で充電する第１の充電回路と、前記フエーダス
イツチのオンからオフへの切換えに応じて前記充
電コンデンサを前記第１の充電回路より短い時間
で充電する第２の充電回路とを有することを特徴
とするフエーダコントロール回路。[Scope of Claim for Utility Model Registration] An operation switch including a fader switch, a fade-in switch, and a fade-out switch; an electronic volume provided in a signal path; and a charging capacitor; a control circuit for controlling the volume, and the control circuit includes a first charging circuit for charging the charging capacitor for a predetermined period of time in response to operation of the fade-in switch, and a first charging circuit for switching the fade-in switch from on to off. and a second charging circuit that charges the charging capacitor in a shorter time than the first charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10974685U JPS6218804U (en) | 1985-07-19 | 1985-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10974685U JPS6218804U (en) | 1985-07-19 | 1985-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6218804U true JPS6218804U (en) | 1987-02-04 |
Family
ID=30988123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10974685U Pending JPS6218804U (en) | 1985-07-19 | 1985-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6218804U (en) |
-
1985
- 1985-07-19 JP JP10974685U patent/JPS6218804U/ja active Pending
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