JPS6215108U - - Google Patents
Info
- Publication number
- JPS6215108U JPS6215108U JP10576685U JP10576685U JPS6215108U JP S6215108 U JPS6215108 U JP S6215108U JP 10576685 U JP10576685 U JP 10576685U JP 10576685 U JP10576685 U JP 10576685U JP S6215108 U JPS6215108 U JP S6215108U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- transistor
- power supply
- muting
- switching
- 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
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の回路構成図、第２図イ，ロ，
ハはシヨーテイング型録音再生切換スイツチの切
換状態を示す図である。
９……ミユーテイング用トランジスタ、１０…
…バイアス発振回路、１１……電源供給用トラン
ジスタ、１２，１３，１８……制御トランジスタ
、Ｓ４……シヨーテイング型録音再生切換スイツ
チ。
Figure 1 is a circuit configuration diagram of the present invention, Figure 2 A, B,
C is a diagram showing the switching state of the shooting type recording/playback switch. 9... Muting transistor, 10...
...Bias oscillation circuit, 11...Power supply transistor, 12, 13, 18...Control transistor, S4 ...Shooting type recording/playback switching switch.
Claims (1)
ランジスタと、バイアス発振回路に接続された電
源供給用トランジスタと、前記ミユーテイング用
トランジスタ及び前記電源供給用トランジスタを
共通に制御するシヨーテイング型の録音再生切換
スイツチと、前記録音再生切換スイツチが再生端
子から録音端子に切換わる途中のシヨーテイング
状態においてミユーテイング用トランジスタをオ
ンにすると共に電源供給用トランジスタをオフと
し、録音端子への切換えと同時に電源供給用トラ
ンジスタをオンにすると共にミユーテイング用ト
ランジスタを一定時間後にオフとする制御回路と
より成るテープレコーダーの録音切換回路。 a muting transistor connected to a recording signal line; a power supply transistor connected to a bias oscillation circuit; a switching type recording/playback switch that commonly controls the muting transistor and the power supply transistor; In the switching state when the recording/playback selector switch is switching from the playback terminal to the recording terminal, the muting transistor is turned on and the power supply transistor is turned off, and at the same time as the switch is switched to the recording terminal, the power supply transistor is turned on. A recording switching circuit for a tape recorder consisting of a control circuit that turns off a muting transistor after a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10576685U JPS6215108U (en) | 1985-07-11 | 1985-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10576685U JPS6215108U (en) | 1985-07-11 | 1985-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6215108U true JPS6215108U (en) | 1987-01-29 |
Family
ID=30980500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10576685U Pending JPS6215108U (en) | 1985-07-11 | 1985-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6215108U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120208A (en) * | 1981-01-20 | 1982-07-27 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |
-
1985
- 1985-07-11 JP JP10576685U patent/JPS6215108U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120208A (en) * | 1981-01-20 | 1982-07-27 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing device |