JPS52145017A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPS52145017A JPS52145017A JP6198876A JP6198876A JPS52145017A JP S52145017 A JPS52145017 A JP S52145017A JP 6198876 A JP6198876 A JP 6198876A JP 6198876 A JP6198876 A JP 6198876A JP S52145017 A JPS52145017 A JP S52145017A
- Authority
- JP
- Japan
- Prior art keywords
- plural
- magnetic disk
- disk device
- magnetic heads
- erasures
- 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
Landscapes
- Digital Magnetic Recording (AREA)
Abstract
PURPOSE: To make plural erasures on track simultaneously by selecting plural magnetic heads corresponding to plural tracks to be erased simultaneously, thus making erasing current flow in plural magnetic heads simultaneously.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6198876A JPS52145017A (en) | 1976-05-27 | 1976-05-27 | Magnetic disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6198876A JPS52145017A (en) | 1976-05-27 | 1976-05-27 | Magnetic disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52145017A true JPS52145017A (en) | 1977-12-02 |
Family
ID=13187067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6198876A Pending JPS52145017A (en) | 1976-05-27 | 1976-05-27 | Magnetic disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52145017A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0358304A (en) * | 1989-07-26 | 1991-03-13 | Nec Ibaraki Ltd | Read/write circuit |
US9142246B1 (en) * | 2014-10-10 | 2015-09-22 | Seagate Technology Llc | Apparatus and methods to reduce hard disk drive manufacturing test time |
US9361919B1 (en) | 2014-10-10 | 2016-06-07 | Seagate Technology Llc | Disk drive with parallel head actuation |
US10255943B1 (en) | 2018-05-17 | 2019-04-09 | Seagate Technology Llc | Independent head, dual reader control logic |
-
1976
- 1976-05-27 JP JP6198876A patent/JPS52145017A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0358304A (en) * | 1989-07-26 | 1991-03-13 | Nec Ibaraki Ltd | Read/write circuit |
US9142246B1 (en) * | 2014-10-10 | 2015-09-22 | Seagate Technology Llc | Apparatus and methods to reduce hard disk drive manufacturing test time |
US9361919B1 (en) | 2014-10-10 | 2016-06-07 | Seagate Technology Llc | Disk drive with parallel head actuation |
US10255943B1 (en) | 2018-05-17 | 2019-04-09 | Seagate Technology Llc | Independent head, dual reader control logic |
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