JPS62202692U - - Google Patents
Info
- Publication number
- JPS62202692U JPS62202692U JP8874486U JP8874486U JPS62202692U JP S62202692 U JPS62202692 U JP S62202692U JP 8874486 U JP8874486 U JP 8874486U JP 8874486 U JP8874486 U JP 8874486U JP S62202692 U JPS62202692 U JP S62202692U
- Authority
- JP
- Japan
- Prior art keywords
- current time
- clock
- information
- control signal
- duty
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図は実施例のブロツク図、第２図はコント
ロール信号のデユーテイ変化を示す波形図、第３
図はヘツド制御回路の回路図、第４図はヘツド制
御回路の動作を示す波形図、第５図は時間情報の
フオーマツトを示す図、第６図、第７図は動作を
示すフローチヤートである。
１……タイマ回路、５……検索制御手段、８…
…コントロールヘツド、９……サーボ回路、１０
……ヘツド制御回路。
Fig. 1 is a block diagram of the embodiment, Fig. 2 is a waveform diagram showing the duty change of the control signal, and Fig. 3 is a waveform diagram showing the duty change of the control signal.
The figure is a circuit diagram of the head control circuit, Figure 4 is a waveform diagram showing the operation of the head control circuit, Figure 5 is a diagram showing the format of time information, and Figures 6 and 7 are flowcharts showing the operation. . 1...Timer circuit, 5...Search control means, 8...
...Control head, 9...Servo circuit, 10
...Head control circuit.
Claims (1)
る時計手段と、この情報に基づき記録するコント
ロール信号のデユーテイを２種類に変化させてデ
ジタル信号として記録動作中の現在時刻情報を記
録する手段とよりなる検索装置。 It consists of a clock means that has a clock function and outputs information regarding the current time, and a means that changes the duty of the control signal recorded based on this information into two types and records the current time information during the recording operation as a digital signal. Search device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8874486U JPS62202692U (en) | 1986-06-11 | 1986-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8874486U JPS62202692U (en) | 1986-06-11 | 1986-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62202692U true JPS62202692U (en) | 1987-12-24 |
Family
ID=30947112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8874486U Pending JPS62202692U (en) | 1986-06-11 | 1986-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62202692U (en) |
-
1986
- 1986-06-11 JP JP8874486U patent/JPS62202692U/ja active Pending