JPS6285907U - - Google Patents
Info
- Publication number
- JPS6285907U JPS6285907U JP17712785U JP17712785U JPS6285907U JP S6285907 U JPS6285907 U JP S6285907U JP 17712785 U JP17712785 U JP 17712785U JP 17712785 U JP17712785 U JP 17712785U JP S6285907 U JPS6285907 U JP S6285907U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- switching
- magnetic recording
- amplification circuit
- 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の第１の実施例の磁気録音再生
装置の回路図、第２図は第２の実施例の磁気録音
再生装置の回路図、第３図は従来の磁気録音再生
装置の回路図である。
１……第１の磁気録音再生ヘツド、２……第２
の磁気録音再生ヘツド、９……信号切り換えスイ
ツチ、１０……再生信号増幅回路、１１……再生
信号出力調整切り換えスイツチ（９と連動）、１
２……再生信号出力調整抵抗、１３……再生信号
利得切り換えスイツチ（９と連動）、１４……再
生信号増幅回路の帰還回路部。
FIG. 1 is a circuit diagram of a magnetic recording and reproducing device according to a first embodiment of the present invention, FIG. 2 is a circuit diagram of a magnetic recording and reproducing device according to a second embodiment, and FIG. 3 is a circuit diagram of a conventional magnetic recording and reproducing device. It is a circuit diagram. 1...First magnetic recording/playback head, 2...Second
magnetic recording/playback head, 9... signal changeover switch, 10... playback signal amplification circuit, 11... playback signal output adjustment switch (interlocked with 9), 1
2...Reproduction signal output adjustment resistor, 13...Reproduction signal gain changeover switch (interlocked with 9), 14...Feedback circuit section of reproduction signal amplification circuit.
Claims (1)
信号接続を選択し、切り換える信号切り換え回路
と、信号を増幅する再生信号増幅回路と、前記信
号切り換えと連動して再生信号増幅回路の利得を
切り換える手段を備えたことを特徴とする磁気録
音再生装置。 a first and second magnetic recording/reproducing head, a signal switching circuit for selecting and switching the signal connections thereof, a reproduction signal amplification circuit for amplifying the signal, and switching the gain of the reproduction signal amplification circuit in conjunction with the signal switching. A magnetic recording and reproducing device characterized by comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17712785U JPS6285907U (en) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17712785U JPS6285907U (en) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6285907U true JPS6285907U (en) | 1987-06-01 |
Family
ID=31118036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17712785U Pending JPS6285907U (en) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285907U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324809A (en) * | 1976-08-19 | 1978-03-08 | Clarion Co Ltd | Tape selector for double cassette recorder |
| JPS562117B2 (en) * | 1973-02-02 | 1981-01-17 |
-
1985
- 1985-11-18 JP JP17712785U patent/JPS6285907U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562117B2 (en) * | 1973-02-02 | 1981-01-17 | ||
| JPS5324809A (en) * | 1976-08-19 | 1978-03-08 | Clarion Co Ltd | Tape selector for double cassette recorder |