JPS6155205U - - Google Patents
Info
- Publication number
- JPS6155205U JPS6155205U JP13916684U JP13916684U JPS6155205U JP S6155205 U JPS6155205 U JP S6155205U JP 13916684 U JP13916684 U JP 13916684U JP 13916684 U JP13916684 U JP 13916684U JP S6155205 U JPS6155205 U JP S6155205U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- circuit
- tape recorder
- magnetic head
- reproduction
- 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.)
- Granted
Links
Description
図示した回路は本考案のイコライザー切換回路
の一実施例である。
主な図番の説明、１…第１磁気ヘツド、２…第
２磁気ヘツド、３…テープレコーダー回路、６…
再生用増幅回路、１０…第１スイツチ回路、１３
…第２スイツチ回路、２１…第１スイツチ、２２
…第１トランジスター、２６…第２スイツチ、２
８…第２トランジスター、３０…優先回路、３１
…第１選択スイツチ、３４…第２選択スイツチ。
The illustrated circuit is one embodiment of the equalizer switching circuit of the present invention. Explanation of main drawing numbers, 1...first magnetic head, 2...second magnetic head, 3 ...tape recorder circuit, 6...
Reproduction amplifier circuit, 10...first switch circuit, 13
...Second switch circuit, 21...First switch, 22
...First transistor, 26...Second switch, 2
8...Second transistor, 30 ...Priority circuit, 31
...first selection switch, 34...second selection switch.
Claims (1)
有する第１及び第２のテープレコーダーが組込ま
れているテープレコーダーにおいて、第１テープ
レコーダーに組込まれていると共に再生動作を行
なう第１磁気ヘツドと、第２テープレコーダーに
組込まれていると共に再生動作を行なう第２磁気
ヘツドと、前記第１磁気ヘツド又は第２磁気ヘツ
ドにより再生された信号が入力されると共に該信
号を増幅する再生用増幅回路と、第１テープレコ
ーダーの再生操作が行なわれると閉成される第１
スイツチと、第２テープレコーダーの再生操作が
行なわれると閉成される第２スイツチと、第１テ
ープレコーダーに装着された磁気テープの特性に
合わせて切換えられる第１選択スイツチと、第２
テープレコーダーに装着された磁気テープの特性
に合わせて切換えられる第２選択スイツチと、前
記第１スイツチ又は第２スイツチの閉成により電
源が供給されると共に先に閉成されたスイツチに
対応して切換信号を出力する優先回路と、前記再
生用増幅回路の入力信号路に設けられていると共
に前記優先回路からの切換信号に応じて前記第１
磁気ヘツド又は第２磁気ヘツドからの再生信号を
該再生用増幅回路に導く第１スイツチ回路と、前
記再生用増幅回路の負帰還回路に設けられている
と共に前記優先回路からの切換信号が前記第１選
択スイツチ又は第２選択スイツチを介して印加さ
れると動作し該再生用増幅回路の周波数特性を切
換える第２スイツチ回路とより成り、第１テープ
レコーダー又は第２テープレコーダーの中で再生
操作が先に行なわれた方のテープレコーダーの磁
気ヘツドからの再生信号を前記再生用増幅回路に
導くと共に該テープレコーダーに設けられている
選択スイツチの切換に応じて該再生用増幅回路の
周波数特性を切換えるようにしたことを特徴とす
るテープレコーダーのイコライザー切換回路。 A tape recorder in which first and second tape recorders having at least a playback function are built into the same cabinet, a first magnetic head built into the first tape recorder and performing a playback operation, and a second tape recorder. a second magnetic head that is incorporated in the recorder and performs a reproducing operation; a reproducing amplifier circuit that receives a signal reproduced by the first magnetic head or the second magnetic head and amplifies the signal; The first button is closed when the tape recorder is played back.
a second switch that is closed when a playback operation of the second tape recorder is performed; a first selection switch that is switched in accordance with the characteristics of the magnetic tape loaded in the first tape recorder;
a second selection switch which is switched in accordance with the characteristics of the magnetic tape loaded in the tape recorder; and when the first switch or the second switch is closed, power is supplied and the switch is switched in response to the switch that was closed first. a priority circuit that outputs a switching signal; and a priority circuit that is provided in an input signal path of the reproduction amplifier circuit, and that outputs a switching signal from the first priority circuit in response to a switching signal from the priority circuit.
A first switch circuit that guides a reproduction signal from the magnetic head or a second magnetic head to the reproduction amplifier circuit and a negative feedback circuit of the reproduction amplifier circuit are provided, and the switching signal from the priority circuit is connected to the first switch circuit. and a second switch circuit that operates when applied via the first selection switch or the second selection switch to switch the frequency characteristics of the reproduction amplifier circuit, and the reproduction operation is performed in the first tape recorder or the second tape recorder. The reproduction signal from the magnetic head of the tape recorder that was carried out first is guided to the reproduction amplifier circuit, and the frequency characteristics of the reproduction amplifier circuit are switched in accordance with the switching of a selection switch provided on the tape recorder. An equalizer switching circuit for a tape recorder characterized by the following features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139166U JPH0341283Y2 (en) | 1984-09-13 | 1984-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139166U JPH0341283Y2 (en) | 1984-09-13 | 1984-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155205U true JPS6155205U (en) | 1986-04-14 |
| JPH0341283Y2 JPH0341283Y2 (en) | 1991-08-30 |
Family
ID=30697547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984139166U Expired JPH0341283Y2 (en) | 1984-09-13 | 1984-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341283Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297813A (en) * | 1989-02-28 | 1990-12-10 | Tosoh Corp | Sintered body of oxide, manufacture thereof, and target using same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163914U (en) * | 1978-05-10 | 1979-11-16 |
-
1984
- 1984-09-13 JP JP1984139166U patent/JPH0341283Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163914U (en) * | 1978-05-10 | 1979-11-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297813A (en) * | 1989-02-28 | 1990-12-10 | Tosoh Corp | Sintered body of oxide, manufacture thereof, and target using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341283Y2 (en) | 1991-08-30 |
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