JPS6155202U - - Google Patents
Info
- Publication number
- JPS6155202U JPS6155202U JP13950984U JP13950984U JPS6155202U JP S6155202 U JPS6155202 U JP S6155202U JP 13950984 U JP13950984 U JP 13950984U JP 13950984 U JP13950984 U JP 13950984U JP S6155202 U JPS6155202 U JP S6155202U
- Authority
- JP
- Japan
- Prior art keywords
- switching means
- amplitude variable
- recording
- amplifier
- magnetic head
- 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
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案のＶＴＲの音声信号記録再生回
路を示す回路図、第２図は従来の同回路図である
。
主な図番の説明、１３…ラインアンプ、１４…
記録用アンプ、２０…磁気ヘツド、２１…交流バ
イアス回路、３０…ＩＣ、３１…第１の切換手段
、３２…第２の切換手段、３３…第３の切換手段
、３５…制御回路、３６，３７，３８，３９，４
０，４３，４４，４５，４６…外部端子。
FIG. 1 is a circuit diagram showing an audio signal recording/reproducing circuit of a VTR according to the present invention, and FIG. 2 is a conventional circuit diagram of the same. Explanation of main drawing numbers, 13...Line amplifier, 14...
Recording amplifier, 20... Magnetic head, 21... AC bias circuit, 30... IC, 31... First switching means, 32... Second switching means, 33... Third switching means, 35... Control circuit, 36, 37, 38, 39, 4
0, 43, 44, 45, 46...external terminals.
Claims (1)
気ヘツドの出力側に第１の切換手段を介して接続
した振幅可変手段と、該振幅可変手段に第２の切
換手段を介して接続した第１の増幅器と、前記振
幅可変手段に接続した第３の切換手段とを有し、
前記振幅可変手段の出力側に前記第２の切換手段
の再生端子を接続して前記第１の増幅器より再生
出力を得ると共に、前記第２の切換手段の出力側
に第３の切換手段の録音端子を接続して前記第２
の増幅器より録音出力を前記磁気ヘツドに印加す
ることを特徴としたＶＴＲの音声信号記録再生回
路。 a magnetic head for recording and reproducing audio signals; an amplitude variable means connected to the output side of the magnetic head via a first switching means; and a first amplitude variable means connected to the amplitude variable means via a second switching means. an amplifier, and third switching means connected to the amplitude variable means,
A reproduction terminal of the second switching means is connected to the output side of the amplitude variable means to obtain a reproduction output from the first amplifier, and a recording terminal of the third switching means is connected to the output side of the second switching means. Connect the terminal and connect the second
An audio signal recording/reproducing circuit for a VTR, characterized in that a recording output from an amplifier is applied to the magnetic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139509U JPH0422406Y2 (en) | 1984-09-14 | 1984-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984139509U JPH0422406Y2 (en) | 1984-09-14 | 1984-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155202U true JPS6155202U (en) | 1986-04-14 |
| JPH0422406Y2 JPH0422406Y2 (en) | 1992-05-22 |
Family
ID=30697886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984139509U Expired JPH0422406Y2 (en) | 1984-09-14 | 1984-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422406Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56115722U (en) * | 1980-01-31 | 1981-09-04 |
-
1984
- 1984-09-14 JP JP1984139509U patent/JPH0422406Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56115722U (en) * | 1980-01-31 | 1981-09-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422406Y2 (en) | 1992-05-22 |
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