JPH0237021B2 - - Google Patents
Info
- Publication number
- JPH0237021B2 JPH0237021B2 JP59040128A JP4012884A JPH0237021B2 JP H0237021 B2 JPH0237021 B2 JP H0237021B2 JP 59040128 A JP59040128 A JP 59040128A JP 4012884 A JP4012884 A JP 4012884A JP H0237021 B2 JPH0237021 B2 JP H0237021B2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- signal
- light
- transducer
- stepping motor
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 24
- 230000005284 excitation Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004886 head movement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59040128A JPS60185270A (ja) | 1984-03-02 | 1984-03-02 | デイスク装置 |
US06/705,674 US4626942A (en) | 1984-03-02 | 1985-02-26 | Power-saving data transfer apparatus with a flexible magnetic disk or the like |
KR1019850001235A KR890003562B1 (ko) | 1984-03-02 | 1985-02-27 | 디스크장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59040128A JPS60185270A (ja) | 1984-03-02 | 1984-03-02 | デイスク装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29306389A Division JPH02168462A (ja) | 1989-11-10 | 1989-11-10 | ディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60185270A JPS60185270A (ja) | 1985-09-20 |
JPH0237021B2 true JPH0237021B2 (sv) | 1990-08-22 |
Family
ID=12572170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59040128A Granted JPS60185270A (ja) | 1984-03-02 | 1984-03-02 | デイスク装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60185270A (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0614429B2 (ja) * | 1985-07-18 | 1994-02-23 | セイコーエプソン株式会社 | フレキシプル・デイスク・ドライブ |
JPS6238570A (ja) * | 1985-08-13 | 1987-02-19 | Canon Electronics Inc | デイスク駆動装置 |
JPS62208479A (ja) * | 1986-03-06 | 1987-09-12 | Fujitsu Ltd | フロッピ−ディスク装置 |
JPS62289979A (ja) * | 1986-06-09 | 1987-12-16 | Fujitsu Ltd | フロッピ−ディスク装置 |
JPS632164A (ja) * | 1986-06-20 | 1988-01-07 | Mitsubishi Electric Corp | デイスク検知装置 |
JPH02198064A (ja) * | 1989-01-25 | 1990-08-06 | Toshiba Corp | フロッピーディスク装置のディスク駆動制御装置 |
JPH0731410Y2 (ja) * | 1989-11-28 | 1995-07-19 | ティアツク株式会社 | ディスク装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59139177A (ja) * | 1983-01-25 | 1984-08-09 | Seiko Epson Corp | 磁気記録再生方法 |
-
1984
- 1984-03-02 JP JP59040128A patent/JPS60185270A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59139177A (ja) * | 1983-01-25 | 1984-08-09 | Seiko Epson Corp | 磁気記録再生方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS60185270A (ja) | 1985-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |