JPS5665308A - Alternating-current bias supply system for magnetic recording - Google Patents
Alternating-current bias supply system for magnetic recordingInfo
- Publication number
- JPS5665308A JPS5665308A JP14086479A JP14086479A JPS5665308A JP S5665308 A JPS5665308 A JP S5665308A JP 14086479 A JP14086479 A JP 14086479A JP 14086479 A JP14086479 A JP 14086479A JP S5665308 A JPS5665308 A JP S5665308A
- Authority
- JP
- Japan
- Prior art keywords
- bias currents
- erasure
- transistor
- high frequency
- rectangular wave
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14086479A JPS5665308A (en) | 1979-10-31 | 1979-10-31 | Alternating-current bias supply system for magnetic recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14086479A JPS5665308A (en) | 1979-10-31 | 1979-10-31 | Alternating-current bias supply system for magnetic recording |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5665308A true JPS5665308A (en) | 1981-06-03 |
| JPS6117043B2 JPS6117043B2 (cg-RX-API-DMAC7.html) | 1986-05-06 |
Family
ID=15278511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14086479A Granted JPS5665308A (en) | 1979-10-31 | 1979-10-31 | Alternating-current bias supply system for magnetic recording |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5665308A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5719520U (cg-RX-API-DMAC7.html) * | 1980-07-04 | 1982-02-01 | ||
| JPS60223008A (ja) * | 1984-04-18 | 1985-11-07 | Nec Corp | バイアス制御装置 |
-
1979
- 1979-10-31 JP JP14086479A patent/JPS5665308A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5719520U (cg-RX-API-DMAC7.html) * | 1980-07-04 | 1982-02-01 | ||
| JPS60223008A (ja) * | 1984-04-18 | 1985-11-07 | Nec Corp | バイアス制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6117043B2 (cg-RX-API-DMAC7.html) | 1986-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS57183292A (en) | Controlling method and device for motor | |
| US3638074A (en) | Fluxgate magnetometer drive circuit including a sensor demagnetizer | |
| JPS52119946A (en) | Drive system for thermal recording unit | |
| JPS5665308A (en) | Alternating-current bias supply system for magnetic recording | |
| JPS54128719A (en) | Vertical magnetization recorder | |
| JPS54121715A (en) | Rotary type magnetic head | |
| GB1067764A (en) | Method and apparatus for determining hardness of ferromagnetic material | |
| JPS55607A (en) | Frequency discriminator | |
| JPS5552529A (en) | Magnetic recording and reproducing device | |
| JPS5358218A (en) | Magnetic head | |
| JPS5456805A (en) | Method and apparatus for recording and reproducing | |
| JPS5680A (en) | Recording method of lead-in signal for magnetic recording and reproduction unit | |
| JPS5573970A (en) | Automatic gain control system | |
| JPS5614959A (en) | Power-factor detection circuit | |
| JPS5288010A (en) | Recording level setting apparatus for fm signal | |
| JPS5229930A (en) | Inverter apparatus having a constant voltage transformer | |
| JPS55134327A (en) | Analog input device | |
| JPS53119013A (en) | Magnetic recording device | |
| JPS5419719A (en) | Magnetic recording or erasing system | |
| JPS5580865A (en) | Detection system for address mark of magnetic recording medium | |
| JPS57138007A (en) | Signal erasing device | |
| JPS55109004A (en) | Detection circuit | |
| JPS5288009A (en) | Magnetic recording and reproduction apparatus | |
| JPS54122974A (en) | Ion injection unit | |
| JPS57133084A (en) | Magnetic fluid recording device |