JPH0481202U - - Google Patents
Info
- Publication number
- JPH0481202U JPH0481202U JP12460390U JP12460390U JPH0481202U JP H0481202 U JPH0481202 U JP H0481202U JP 12460390 U JP12460390 U JP 12460390U JP 12460390 U JP12460390 U JP 12460390U JP H0481202 U JPH0481202 U JP H0481202U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- power signal
- circuit
- circuit section
- reproducing device
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案の一例を示すブロツク図、第２
図は第１図の各部の波形である。
２７，２８……ＰＬＬ回路、ＡＧＣ回路（信号
作成回路）、２９……電圧比較器（比較回路）。
Figure 1 is a block diagram showing an example of the invention, Figure 2 is a block diagram showing an example of the present invention.
The figure shows waveforms at various parts in FIG. 27, 28... PLL circuit, AGC circuit (signal generation circuit), 29... Voltage comparator (comparison circuit).
Claims (1)
シリンダの回転側に備え、この回路部と静止側の
回路部をロータリトランスによつて電気的に連結
し、該ロータリトランスにより伝送される交流電
源信号を部分的に欠落させることにより制御信号
を回転側回路部に伝送する磁気記録再生装置にお
いて、 前記交流電源信号と同期し且つこれと同レベル
の信号を作成する信号作成回路と、この回路から
の信号と前記交流電源信号とを比較することによ
り制御信号を抽出する比較回路とを有することを
特徴とする磁気記録再生装置。[Claims for Utility Model Registration] A magnetic head and a circuit section related to the magnetic head are provided on the rotating side of the cylinder, and this circuit section and a stationary side circuit section are electrically connected by a rotary transformer. In a magnetic recording/reproducing device that transmits a control signal to a rotation side circuit section by partially dropping an AC power signal transmitted by the AC power signal, the signal generation device generates a signal that is synchronized with the AC power signal and has the same level as the AC power signal. A magnetic recording/reproducing device comprising: a circuit; and a comparison circuit that extracts a control signal by comparing a signal from the circuit with the AC power signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124603U JP2521270Y2 (en) | 1990-11-26 | 1990-11-26 | Magnetic recording / reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124603U JP2521270Y2 (en) | 1990-11-26 | 1990-11-26 | Magnetic recording / reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0481202U true JPH0481202U (en) | 1992-07-15 |
| JP2521270Y2 JP2521270Y2 (en) | 1996-12-25 |
Family
ID=31872243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990124603U Expired - Fee Related JP2521270Y2 (en) | 1990-11-26 | 1990-11-26 | Magnetic recording / reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521270Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142702A (en) * | 1984-08-02 | 1986-03-01 | Matsushita Electric Ind Co Ltd | magnetic recording and reproducing device |
| JPS62266702A (en) * | 1986-05-14 | 1987-11-19 | Mitsumi Electric Co Ltd | Drum device for magnetic recording and reproducing device |
-
1990
- 1990-11-26 JP JP1990124603U patent/JP2521270Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142702A (en) * | 1984-08-02 | 1986-03-01 | Matsushita Electric Ind Co Ltd | magnetic recording and reproducing device |
| JPS62266702A (en) * | 1986-05-14 | 1987-11-19 | Mitsumi Electric Co Ltd | Drum device for magnetic recording and reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521270Y2 (en) | 1996-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |