JPS61193507U - - Google Patents
Info
- Publication number
- JPS61193507U JPS61193507U JP7839285U JP7839285U JPS61193507U JP S61193507 U JPS61193507 U JP S61193507U JP 7839285 U JP7839285 U JP 7839285U JP 7839285 U JP7839285 U JP 7839285U JP S61193507 U JPS61193507 U JP S61193507U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- mode
- reproducing device
- driving means
- magnetic recording
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 2
Description
第1図はこの考案の一実施例である磁気記録再
生装置を示す回路構成図、第2図はこの考案の他
の実施例である磁気記録再生装置を示す回路構成
図、第3図は従来の磁気記録再生装置を示すブロ
ツク構成図である。
図において、11……演算増幅器、12,19
……電流制限抵抗、13……出力トランジスタ、
14……基準抵抗、15,16,22……抵抗、
17……電源、18……オン・オフ制御トランジ
スタ、21……ロータリトランス、31……記録
信号の入力端子、32……記録増幅器、33……
モード切換スイツチ、34……磁気ヘツド、35
……再生増幅器、36……再生信号の出力端子、
37……モード切換え信号端子である。なお、各
図中、同一符号は同一、又は相当部分を示す。
FIG. 1 is a circuit diagram showing a magnetic recording/reproducing device which is an embodiment of this invention, FIG. 2 is a circuit diagram showing a magnetic recording/reproducing device which is another embodiment of this invention, and FIG. 3 is a conventional circuit diagram. 1 is a block configuration diagram showing a magnetic recording/reproducing device of FIG. In the figure, 11... operational amplifier, 12, 19
...Current limiting resistor, 13...Output transistor,
14...Reference resistance, 15, 16, 22...Resistance,
17... Power source, 18... On/off control transistor, 21... Rotary transformer, 31... Recording signal input terminal, 32... Recording amplifier, 33...
Mode selector switch, 34...Magnetic head, 35
... Regenerative amplifier, 36 ... Regenerative signal output terminal,
37...Mode switching signal terminal. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
兼用する磁気記録再生装置において、単一の半導
体素子で形成した電圧/電流変換回路を記録増幅
器として使用した負荷駆動手段を備え、この負荷
駆動手段をモードに応じてオン・オフ制御してモ
ード切換え動作を実行することを特徴とする磁気
記録再生装置。 A magnetic recording/reproducing device that uses the same magnetic head for both recording and reproducing modes is equipped with a load driving means that uses a voltage/current conversion circuit formed of a single semiconductor element as a recording amplifier, and this load driving means is used in a mode. 1. A magnetic recording and reproducing device characterized in that a mode switching operation is performed by performing on/off control according to the mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7839285U JPS61193507U (en) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7839285U JPS61193507U (en) | 1985-05-24 | 1985-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61193507U true JPS61193507U (en) | 1986-12-02 |
Family
ID=30622330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7839285U Pending JPS61193507U (en) | 1985-05-24 | 1985-05-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61193507U (en) |
-
1985
- 1985-05-24 JP JP7839285U patent/JPS61193507U/ja active Pending