JPH01174702U - - Google Patents
Info
- Publication number
- JPH01174702U JPH01174702U JP7034888U JP7034888U JPH01174702U JP H01174702 U JPH01174702 U JP H01174702U JP 7034888 U JP7034888 U JP 7034888U JP 7034888 U JP7034888 U JP 7034888U JP H01174702 U JPH01174702 U JP H01174702U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- fixed
- fixed side
- side coil
- signal
- 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
- 230000005236 sound signal Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案の一実施例に係る磁気記録再生
装置の回路図、第２図は従来における磁気記録再
生装置の回路図、第３図はコイルが配されるロー
タリートランスのチヤンネルを示した説明図であ
る。
４……消去信号が与えられる第１の固定側コイ
ル（消去信号固定側コイル）、８……音声信号が
与えられる第３の固定側コイル（音声信号用固定
側コイル）、１０……映像信号が与えられる第２
の固定側コイル（映像信号用固定側コイル）、１
２……消去信号通過回路。
Fig. 1 is a circuit diagram of a magnetic recording and reproducing device according to an embodiment of the present invention, Fig. 2 is a circuit diagram of a conventional magnetic recording and reproducing device, and Fig. 3 is a channel of a rotary transformer in which a coil is arranged. It is an explanatory diagram. 4...First fixed side coil to which an erasure signal is given (erasure signal fixed side coil), 8...Third fixed side coil to which an audio signal is given (fixed side coil for audio signal), 10... Video signal is given the second
Fixed side coil (fixed side coil for video signal), 1
2... Erasing signal passing circuit.
Claims (1)
ートランスを有し、このロータリートランスの固
定側コイルに消去ヘツド、音声記録ヘツドおよび
映像記録ヘツドが独立に接続されて成る磁気記録
再生装置において、所定の直径をもつて巻回され
前記消去ヘツドを機能させる場合に消去信号が与
えられる第１の固定側コイルと、この第１の固定
側コイルと異なつた直径をもつて巻回され映像信
号が与えられる第２の固定側コイルと、この第２
の固定側コイルと前記第１の固定側コイルの中間
に配されていて音声信号が与えられる第３の固定
側コイルと、この第３の固定側コイルに並列に接
続されていてこの音声信号の周波数に対しては高
インピーダンスを呈すると共に前記消去信号の周
波数に対しては低インピーダンスを呈する消去信
号通過回路とを具備して成ることを特徴とする磁
気記録再生装置。 In a magnetic recording/reproducing device, a rotary transformer has a predetermined number of coils arranged concentrically, and an erasing head, an audio recording head, and a video recording head are independently connected to the fixed coil of the rotary transformer. a first fixed side coil wound with a diameter different from that of the first fixed side coil and provided with an erase signal when the erase head functions; and a first fixed side coil wound with a diameter different from that of the first fixed side coil and provided with a video signal. a second fixed side coil;
A third fixed coil is arranged between the fixed coil and the first fixed coil to which the audio signal is applied, and a third fixed coil is connected in parallel to the third fixed coil and receives the audio signal. 1. A magnetic recording and reproducing device comprising: an erase signal passing circuit that exhibits high impedance with respect to the frequency and low impedance with respect to the frequency of the erase signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7034888U JPH01174702U (en) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7034888U JPH01174702U (en) | 1988-05-30 | 1988-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174702U true JPH01174702U (en) | 1989-12-12 |
Family
ID=31295596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7034888U Pending JPH01174702U (en) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174702U (en) |
-
1988
- 1988-05-30 JP JP7034888U patent/JPH01174702U/ja active Pending
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