JPH0198103A - Rotary head type magnetic recording and reproducing device - Google Patents
Rotary head type magnetic recording and reproducing deviceInfo
- Publication number
- JPH0198103A JPH0198103A JP62255400A JP25540087A JPH0198103A JP H0198103 A JPH0198103 A JP H0198103A JP 62255400 A JP62255400 A JP 62255400A JP 25540087 A JP25540087 A JP 25540087A JP H0198103 A JPH0198103 A JP H0198103A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- rotating cylinder
- amplifier
- reproducing
- type magnetic
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
- G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、映像信号のような広帯域信号を記録、及び再
生する回転ヘッド型磁気記録再生装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a rotary head type magnetic recording/reproducing device for recording and reproducing broadband signals such as video signals.
従来の技術
回転ヘッド型磁気記録再生装置を用い、映像信号のよう
な広帯域信号を記録媒体に記録、及び再生する場合に、
記録系の広帯域化、及び再生系の広帯域化、低雑音化を
はかるだめ回転シリンダー上に記録増幅器や再生増幅器
や再生増幅器を回転シリンダー上に設けることが考えら
れる。Conventional technology When recording and reproducing broadband signals such as video signals on a recording medium using a rotating head type magnetic recording and reproducing device,
It is conceivable to provide a recording amplifier, a reproducing amplifier, or a reproducing amplifier on the rotary cylinder in order to widen the recording system, widen the bandwidth of the reproducing system, and reduce noise.
第２図は、従来の回転シリンダー上に記録増幅器と再生
増幅器を設けた回転ヘッド型磁気記録再生装置のＲＦ系
の紡口を示したものである。FIG. 2 shows a spindle of an RF system of a conventional rotary head type magnetic recording/reproducing device in which a recording amplifier and a reproducing amplifier are provided on a rotating cylinder.
１０は再生用磁気ヘッド、１１は記録用磁気ヘッド、１
２は前置再生増幅器、１３は記録増幅器、１４は整流器
、１５，１６．１７はロータリートランス、１８は電力
伝送用増幅器、１９は発振器を示す。以下に従来例の構
成について説明する。10 is a reproducing magnetic head, 11 is a recording magnetic head, 1
2 is a pre-reproducing amplifier, 13 is a recording amplifier, 14 is a rectifier, 15, 16, and 17 are rotary transformers, 18 is a power transmission amplifier, and 19 is an oscillator. The configuration of the conventional example will be explained below.
記録状態において、記録信号がロータリートランス１６
を介して、回転シリンダー上に伝送される。伝送された
信号は、記録増幅器１３で必要電流値まで増幅されて記
録用磁気ヘッド１１に伝送される。記録用磁気ヘッド１
１によって記録媒体信号が記録される〇
再生状態では、電生用磁気ヘッド１ｏによって記録媒体
よシ得られた再生信号が、再生増幅器１３で増幅されロ
ータリートランス１５を介シて回転シリンダーより本体
側へ再生信号は伝送される。In the recording state, the recording signal is transferred to the rotary transformer 16.
is transmitted onto a rotating cylinder. The transmitted signal is amplified to a required current value by the recording amplifier 13 and transmitted to the recording magnetic head 11. Recording magnetic head 1
In the playback state, the playback signal obtained from the recording medium by the electromagnetic head 1o is amplified by the playback amplifier 13 and sent via the rotary transformer 15 from the rotating cylinder to the main body side. The reproduced signal is transmitted to.
また、回転シリンダー上に設けた記録増幅器１２、再生
増幅器１３を駆動させる電源電圧は次に示すように供給
される。発振器１９で、ある一定の周波数で発振した信
号を電力伝送用増幅器１８で増幅され、ロータリートラ
ンス１７を介して回転シリンダー上の整流器１４に伝送
される。整流器１４で整流を行ない、再生増幅器１２と
記録増幅器１３に必要な電圧値の電源電圧を整流器１４
よシ供給する。Further, the power supply voltage for driving the recording amplifier 12 and reproducing amplifier 13 provided on the rotating cylinder is supplied as shown below. A signal oscillated at a certain frequency by an oscillator 19 is amplified by a power transmission amplifier 18 and transmitted via a rotary transformer 17 to a rectifier 14 on a rotating cylinder. The rectifier 14 performs rectification, and the power supply voltage of the voltage value required for the reproducing amplifier 12 and the recording amplifier 13 is supplied to the rectifier 14.
I will supply it.
発明が解決しようとする問題点
しかしながら上記のような構成では、以下に示す問題点
を有していた。Problems to be Solved by the Invention However, the above configuration has the following problems.
ロータリートランスに電力伝送用のチャンネルを特別に
設ける必要がある。It is necessary to provide a special channel for power transmission in the rotary transformer.
電力伝送時に、ロータリートランスを介して比較的大き
な電圧振幅値の信号を回転シリンダー上に伝送するため
、再生系へのクロストーク量が大きく、シリンダーユニ
ットに細心のンールドを施す必要がある。During power transmission, a signal with a relatively large voltage amplitude value is transmitted onto the rotating cylinder via a rotary transformer, so there is a large amount of crosstalk to the reproduction system, and the cylinder unit must be carefully rolled.
本発明はかかる点に鑑み、ロータリートランスを用いて
電力伝送を行なわなくても、非接触で回転シリンダー上
に設けた回路に電力供給を行なうことのできる回転ヘッ
ド型磁気記録再生装置を提供することを目的とする。In view of the above, the present invention provides a rotary head type magnetic recording and reproducing device that can supply power to a circuit provided on a rotating cylinder in a non-contact manner without using a rotary transformer to transmit power. With the goal.
問題点を解決するための手段
本発明は、太陽電池を回転シリンダー上に備え、回転シ
リンダー上に備えた回路に電力供給を行なう回転ヘッド
型磁気記録再生装置である。Means for Solving the Problems The present invention is a rotary head type magnetic recording/reproducing device that includes a solar cell on a rotating cylinder and supplies power to a circuit provided on the rotating cylinder.
作 用
本発明は前記した構成によシ、太陽電池にょシ、特列に
ロータリートランスを設けて本体よシ回転゛シリンダー
上に電力伝送をしなくとも、非接触で回転シリンダー上
の回路に電力を供給することができる。Function The present invention has the structure described above, and a rotary transformer is specially provided in the solar cell to transmit power to the circuit on the rotating cylinder in a non-contact manner without transmitting power from the main body to the rotating cylinder. can be supplied.
実施例
第１図は、本発明の実施例における回転ヘッド型磁気記
録再生装置のＲＦ系の回路系統図を示したものである。Embodiment FIG. 1 shows a circuit diagram of an RF system of a rotary head type magnetic recording/reproducing apparatus in an embodiment of the present invention.
１は再生用磁気ヘッド、２は記録用磁気ヘッド、３は前
置再生増幅器、４は記録増幅器、５，６はロータリート
ランス、７は太陽電池、８は光源、９は光源用電源を示
す。1 is a reproducing magnetic head, 2 is a recording magnetic head, 3 is a pre-reproducing amplifier, 4 is a recording amplifier, 5 and 6 are rotary transformers, 7 is a solar cell, 8 is a light source, and 9 is a power source for the light source.
以下に本実施例の構成について説明するが、はじめに記
録状態、再生状態での記録信号及び再生信号の伝送の過
程は、既に述べた従来例の過程と同一なので省略する。The configuration of this embodiment will be described below. First, the process of transmitting the recording signal and the reproduction signal in the recording state and the reproduction state is the same as that of the conventional example described above, so the description thereof will be omitted.
回転シリンダー上に設けた記録増幅器３、及び再生増幅
器４を駆動させるため電力供給は、回転シリンダーの上
部に設けた太陽電池７より供給する。また、太陽電池７
への必要な光強度の光は、本体側で、丁度、回転シリン
ダーの上方に設けた光源８よシ供給する。なお、光源８
へは、電源９よシミ力を供給する。Electric power is supplied to drive the recording amplifier 3 and reproducing amplifier 4 provided on the rotating cylinder from a solar cell 7 provided on the upper part of the rotating cylinder. In addition, solar cell 7
The light with the necessary light intensity is supplied from a light source 8 provided just above the rotating cylinder on the main body side. In addition, light source 8
The power source 9 supplies stain power to the power source 9.
以上のように、本実施例によれば回転シリンダー上に太
陽電池を設けることによって以下に示す効果が得られる
。As described above, according to this embodiment, the following effects can be obtained by providing the solar cell on the rotating cylinder.
特別にロータリートランスに電力伝送用のチャンネルを
設けて電力伝送を行なわずに非接触で回転シリンダー上
の回路に電力を供給できる。また、電力伝送時の再生系
へのクロストーク量の問題を全く無視することができる
０さらに、太陽電池であるので交換を要することもない
。By providing a special channel for power transmission in the rotary transformer, power can be supplied to the circuit on the rotating cylinder in a contactless manner without transmitting power. Furthermore, the problem of crosstalk to the reproduction system during power transmission can be completely ignored.Furthermore, since it is a solar cell, it does not require replacement.
なお、本実施例では、回転シリンダー上に再生増幅器３
、記録増幅器４を設けたが、他の構成の回路を設け、太
陽電池よシミ力供給を行なってもよい。In this embodiment, the regenerative amplifier 3 is mounted on the rotating cylinder.
Although the recording amplifier 4 is provided, a circuit having another configuration may be provided to supply the spot power from the solar cell.
発明の詳細
な説明したように、本発明によれば特別にロータリート
ランスに電力伝送用のチャンネルを設けて電力伝送を行
なわずに、回転シリンダー上の回路に電力供給を行なう
ことができ、また、電力伝送時の再生系へのクロストー
ク量の問題がなく、その実用的効果は大きい。As described in detail, according to the present invention, it is possible to supply power to a circuit on a rotating cylinder without transmitting power by specially providing a power transmission channel in a rotary transformer, and There is no problem with the amount of crosstalk to the reproduction system during power transmission, and its practical effects are great.
第１図は本発明における一実施例の回転ヘッド型磁気記
録再生装置のＲＦ系の要部を示す回路系統図、第２図は
従来の回転ヘッド型磁気記録再生装置のＲＦ系の要部を
示す回路系統図である◇１・・・・・・再生用磁気ヘッ
ド、２・・・・・・記録用磁気ヘッド、３・・・・・・
前置再生増幅器、４・・・・・・記録増幅器、５．６・
・・・・・ロータリートランス、７・・・・・・太陽を
池、８・・・・・・光源、９・・・・・・光源用電池。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図FIG. 1 is a circuit diagram showing the main parts of the RF system of a rotary head type magnetic recording/reproducing apparatus according to an embodiment of the present invention, and FIG. 2 shows the main parts of the RF system of a conventional rotary head type magnetic recording/reproducing apparatus. ◇1...Magnetic head for reproduction, 2...Magnetic head for recording, 3...
Pre-reproducing amplifier, 4... Recording amplifier, 5.6.
... Rotary transformer, 7 ... Sun pond, 8 ... Light source, 9 ... Battery for light source. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
figure
Claims (2)
ダー上に備えた回路に電力供給を行なうことを特徴とす
る回転ヘッド型磁気記録再生装置。(1) A rotating head type magnetic recording and reproducing device characterized in that a solar cell is provided on a rotating cylinder and power is supplied to a circuit provided on the rotating cylinder.
前置再生増幅器と、再生信号を回転シリンダー側から本
体側へ伝送するロータリートランスと、記録を行なう磁
気ヘッドと、記録信号を増幅し前記磁気ヘッドに伝送す
る記録増幅器と、記録信号を本体側から回転シリンダー
側へ伝送するロータリートランスと、前記前置再生増幅
器と前記記録増幅器に電力供給を行なう太陽電池を回転
シリンダー上に備え、本体側の回転シリンダー上方に太
陽電池に光を供給するための光源を備えたことを特徴と
する特許請求の範囲第１項記載の回転ヘッド型磁気記録
再生装置。(2) A magnetic head that performs reproduction, a pre-reproduction amplifier that amplifies the reproduction signal, a rotary transformer that transmits the reproduction signal from the rotating cylinder side to the main body, a magnetic head that performs recording, and a pre-reproduction amplifier that amplifies the recording signal and A recording amplifier that transmits to the magnetic head, a rotary transformer that transmits recording signals from the main body side to the rotating cylinder side, and a solar cell that supplies power to the pre-reproducing amplifier and the recording amplifier are provided on the rotating cylinder, and the main body side 2. The rotary head type magnetic recording and reproducing apparatus according to claim 1, further comprising a light source provided above the rotating cylinder for supplying light to the solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62255400A JPH0198103A (en) | 1987-10-09 | 1987-10-09 | Rotary head type magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62255400A JPH0198103A (en) | 1987-10-09 | 1987-10-09 | Rotary head type magnetic recording and reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198103A true JPH0198103A (en) | 1989-04-17 |
Family
ID=17278238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62255400A Pending JPH0198103A (en) | 1987-10-09 | 1987-10-09 | Rotary head type magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198103A (en) |
-
1987
- 1987-10-09 JP JP62255400A patent/JPH0198103A/en active Pending
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