JPS61105968U - - Google Patents
Info
- Publication number
- JPS61105968U JPS61105968U JP18156485U JP18156485U JPS61105968U JP S61105968 U JPS61105968 U JP S61105968U JP 18156485 U JP18156485 U JP 18156485U JP 18156485 U JP18156485 U JP 18156485U JP S61105968 U JPS61105968 U JP S61105968U
- Authority
- JP
- Japan
- Prior art keywords
- marks
- monitoring
- mark
- recording
- frequency
- 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
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000003550 marker Substances 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
- G11B5/016—Recording on, or reproducing or erasing from, magnetic disks using magnetic foils
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
- G11B23/36—Signals on record carriers or on containers and recorded by the same method as the main recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- 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
- G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
-
- 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
- G11B5/553—Details
- G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
-
- 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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752554083 DE2554083C2 (de) | 1975-12-02 | 1975-12-02 | Magnetplatte, insbesondere flexible Magnetplatte, zur Einstellung und Kontrolle eines Aufzeichnungs- und/oder Wiedergabegeräts |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61105968U true JPS61105968U (enrdf_load_stackoverflow) | 1986-07-05 |
JPS629571Y2 JPS629571Y2 (enrdf_load_stackoverflow) | 1987-03-05 |
Family
ID=5963217
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2721276A Expired JPS597142B2 (ja) | 1975-12-02 | 1976-03-15 | 調整兼コントロ−ル用磁気記録円盤 |
JP1985181564U Expired JPS629571Y2 (enrdf_load_stackoverflow) | 1975-12-02 | 1985-11-27 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2721276A Expired JPS597142B2 (ja) | 1975-12-02 | 1976-03-15 | 調整兼コントロ−ル用磁気記録円盤 |
Country Status (4)
Country | Link |
---|---|
JP (2) | JPS597142B2 (enrdf_load_stackoverflow) |
CA (1) | CA1084621A (enrdf_load_stackoverflow) |
DE (1) | DE2554083C2 (enrdf_load_stackoverflow) |
GB (1) | GB1533778A (enrdf_load_stackoverflow) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4157577A (en) * | 1977-11-14 | 1979-06-05 | International Business Machines Corporation | Rotatable storage apparatus with digitally responsive circuitry for track selection |
DE3009548A1 (de) * | 1980-03-13 | 1981-09-24 | Ibm Deutschland Gmbh, 7000 Stuttgart | Spurnachlaufsteuerung fuer magnetkoepfe sowie verfahren zur kompensation gleichfoermiger stoergroessen |
US4456938A (en) * | 1982-10-12 | 1984-06-26 | International Business Machines Corporation | Manufacturing apparatus for adjusting the position of a magnetic head in a flexible disk drive |
US4458398A (en) * | 1982-06-30 | 1984-07-10 | International Business Machines Corporation | Manufacturing apparatus for adjusting the position of a magnetic head in a flexible disk drive |
US4458274A (en) * | 1982-06-22 | 1984-07-03 | International Business Machines Corporation | Manufacturing method and apparatus for adjusting the position of a magnetic head in a flexible disk drive |
EP0093886A3 (en) * | 1982-06-22 | 1984-01-18 | International Business Machines Corporation | Manufacturing method and apparatus for adjusting the position of a magnetic head in a flexible disk drive |
US4542428A (en) * | 1982-10-01 | 1985-09-17 | Matsushita Electric Industrial Co., Ltd. | Disk for measuring off-track quantity of magnetic head, and measuring apparatus using the disk |
US4513331A (en) * | 1982-10-12 | 1985-04-23 | Dysan Corporation | Method and apparatus for disk drive alignment |
JPS59112318U (ja) * | 1983-01-13 | 1984-07-28 | アルプス電気株式会社 | ヘツド調整用デイスク |
US4746580A (en) * | 1983-03-31 | 1988-05-24 | International Business Machines Corporation | Read-only magnetic recording media |
JPS60140576A (ja) * | 1983-12-28 | 1985-07-25 | Hitachi Ltd | 調整用磁気記録媒体 |
JPS60134733U (ja) * | 1984-02-18 | 1985-09-07 | 梶田 肇 | つまみ等を受容する容器付きの罐、瓶等 |
DE3418526A1 (de) | 1984-05-18 | 1985-11-21 | Basf Ag, 6700 Ludwigshafen | Verfahren und anordnung zur fehlersignalermittlung in einem magnetplattenspeicher und testmagnetplatte dafuer |
JPS62122029U (enrdf_load_stackoverflow) * | 1986-01-25 | 1987-08-03 | ||
JPS62201005U (enrdf_load_stackoverflow) * | 1986-06-12 | 1987-12-22 |
-
1975
- 1975-12-02 DE DE19752554083 patent/DE2554083C2/de not_active Expired
-
1976
- 1976-03-15 JP JP2721276A patent/JPS597142B2/ja not_active Expired
- 1976-03-17 CA CA248,378A patent/CA1084621A/en not_active Expired
- 1976-03-17 GB GB1065176A patent/GB1533778A/en not_active Expired
-
1985
- 1985-11-27 JP JP1985181564U patent/JPS629571Y2/ja not_active Expired
Non-Patent Citations (1)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN=1973 * |
Also Published As
Publication number | Publication date |
---|---|
CA1084621A (en) | 1980-08-26 |
JPS629571Y2 (enrdf_load_stackoverflow) | 1987-03-05 |
JPS5269309A (en) | 1977-06-09 |
GB1533778A (en) | 1978-11-29 |
DE2554083C2 (de) | 1985-03-28 |
JPS597142B2 (ja) | 1984-02-16 |
DE2554083A1 (de) | 1977-06-23 |
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