JPS56140564A - Discriminating method for reference position of magnetic head - Google Patents
Discriminating method for reference position of magnetic headInfo
- Publication number
- JPS56140564A JPS56140564A JP4243780A JP4243780A JPS56140564A JP S56140564 A JPS56140564 A JP S56140564A JP 4243780 A JP4243780 A JP 4243780A JP 4243780 A JP4243780 A JP 4243780A JP S56140564 A JPS56140564 A JP S56140564A
- Authority
- JP
- Japan
- Prior art keywords
- reference position
- track
- magnetic head
- head
- arrival
- 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
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
- G11B5/48—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
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
-
- 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
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4243780A JPS56140564A (en) | 1980-04-01 | 1980-04-01 | Discriminating method for reference position of magnetic head |
US06/248,288 US4394696A (en) | 1980-04-01 | 1981-03-27 | Apparatus for positioning magnetic head to position corresponding to reference track on magnetic tape |
DE3113174A DE3113174C2 (de) | 1980-04-01 | 1981-04-01 | Vorrichtung zur Positionierung eines Magnetkopfes in einer Bezugsstellung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4243780A JPS56140564A (en) | 1980-04-01 | 1980-04-01 | Discriminating method for reference position of magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56140564A true JPS56140564A (en) | 1981-11-02 |
Family
ID=12636043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4243780A Pending JPS56140564A (en) | 1980-04-01 | 1980-04-01 | Discriminating method for reference position of magnetic head |
Country Status (3)
Country | Link |
---|---|
US (1) | US4394696A (ja) |
JP (1) | JPS56140564A (ja) |
DE (1) | DE3113174C2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129971A (ja) * | 1983-01-14 | 1984-07-26 | Tokyo Electric Co Ltd | ディスクドライブ装置 |
JPS59185073A (ja) * | 1983-04-01 | 1984-10-20 | Teac Co | 磁気デイスク駆動装置 |
US4685007A (en) * | 1983-12-21 | 1987-08-04 | Computer Memories, Incorporated | Disk drive with track zero location system |
JPH087955B2 (ja) * | 1984-06-29 | 1996-01-29 | 株式会社東芝 | フロツピーデイスク装置 |
JPS61134976A (ja) * | 1984-12-06 | 1986-06-23 | Canon Inc | ヘツド位置決め方法 |
US4779149A (en) * | 1985-12-30 | 1988-10-18 | Teac Corporation | Positioning mechanism for a transducer in a multitrack magnetic tape apparatus or the like |
JPS63282808A (ja) * | 1987-05-15 | 1988-11-18 | Brother Ind Ltd | 原点割出装置 |
US4796125A (en) * | 1987-08-10 | 1989-01-03 | Eastman Kodak Company | Optimizing the positioning of a pair of magnetic heads relative to spaced tracks on magnetic tape |
JPH01103478A (ja) * | 1987-10-16 | 1989-04-20 | Brother Ind Ltd | 印字装置 |
KR920001149B1 (ko) * | 1988-01-08 | 1992-02-06 | 도오꾜오덴끼 가부시끼가이샤 | 자기녹음장치 |
US5491595A (en) * | 1992-09-09 | 1996-02-13 | Conner Peripherals, Inc. | Magnetic head guidance and calibration system and method description |
US5572269A (en) * | 1995-05-08 | 1996-11-05 | Eastman Kodak Company | Magnetic head translation system for recording and reproducing on magnetic-on-film layer |
US6232999B1 (en) | 1999-06-25 | 2001-05-15 | Eastman Kodak Company | Method for changing focus and angle of a multichannel printhead |
CN112737437B (zh) * | 2020-12-25 | 2022-10-18 | 安徽大学 | 用于空间光学载荷步进电机定位的微动开关位置调整方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114911A (ja) * | 1973-03-03 | 1974-11-01 | ||
JPS5350809A (en) * | 1976-10-20 | 1978-05-09 | Toshiba Corp | End switch |
JPS5469808A (en) * | 1977-11-15 | 1979-06-05 | Nissho Kk | Proportional pump |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3676609A (en) * | 1970-02-24 | 1972-07-11 | Jan Robert Coyle | Capacitor energized channel stepping means for battery operated tape players |
DE2431545A1 (de) * | 1973-07-12 | 1975-02-06 | Basf Ag | Kopfpositionierungseinrichtung fuer mehrspur-magnetbandgeraete |
US3956766A (en) * | 1974-11-25 | 1976-05-11 | International Business Machines Corporation | Counter resetting circuitry for magnetic disk system |
DE2757952C2 (de) * | 1977-12-24 | 1983-02-24 | Sihi Gmbh & Co Kg, 2210 Itzehoe | Selbstansaugende Kreiselpumpe |
GB2043320B (en) * | 1978-11-15 | 1983-01-26 | Sharp Kk | Nonprogramme section detection mechanism in a cassette tape player |
JPS6030028B2 (ja) * | 1978-11-30 | 1985-07-13 | 株式会社東芝 | ヘツド移動装置 |
DE2918020A1 (de) * | 1979-05-04 | 1980-11-13 | Basf Ag | Positioniereinrichtung fuer einen magnetkopf eines magnetbandgeraetes |
US4315286A (en) * | 1979-09-06 | 1982-02-09 | Peter Copeland | Recorders |
-
1980
- 1980-04-01 JP JP4243780A patent/JPS56140564A/ja active Pending
-
1981
- 1981-03-27 US US06/248,288 patent/US4394696A/en not_active Expired - Lifetime
- 1981-04-01 DE DE3113174A patent/DE3113174C2/de not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114911A (ja) * | 1973-03-03 | 1974-11-01 | ||
JPS5350809A (en) * | 1976-10-20 | 1978-05-09 | Toshiba Corp | End switch |
JPS5469808A (en) * | 1977-11-15 | 1979-06-05 | Nissho Kk | Proportional pump |
Also Published As
Publication number | Publication date |
---|---|
DE3113174C2 (de) | 1985-10-17 |
US4394696A (en) | 1983-07-19 |
DE3113174A1 (de) | 1982-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56140564A (en) | Discriminating method for reference position of magnetic head | |
JPS5246805A (en) | Magnetic disc device | |
DE3067910D1 (en) | Method and apparatus for testing metal tapes | |
JPS5316538A (en) | Address detector | |
JPS538113A (en) | Recording density judgement system for magnetic tape | |
JPS51145310A (en) | Resetting device of counter in cassette tape recorder | |
JPS5442612A (en) | Electronic rotor | |
JPS5275306A (en) | Signal recording position retrieval apparatus | |
JPS5310411A (en) | Erroneous writing operation preventive system for magnetic tape control apparatus | |
JPS5226195A (en) | Moving automatic discriminator | |
JPS5222905A (en) | Program detecting device for cassette v.t.r. | |
JPS5755530A (en) | Head tracking controller | |
BE887424A (fr) | Cassette a bande magnetique comprenant un dispositif de reperage du deroulement de la bande | |
JPS5385055A (en) | Writing unit for article kind discriminating device | |
JPS5342821A (en) | Detecting method for kind of cassette | |
JPS5323611A (en) | Head position controlling system of magnetic discs | |
JPS5690450A (en) | Recording and reproducing device | |
JPS5319819A (en) | Control error detection system in magnetic recording | |
JPS5290917A (en) | Magnetic recording and reproducing apparatus | |
JPS5622273A (en) | Magnetic tape retrieval unit | |
JPS51135609A (en) | Magnetic recording and reproducing means for audio signals | |
JPS5395607A (en) | Automatic head locator of tape recorder or the like | |
JPS5372610A (en) | Control system for magnetic tape device | |
JPS51135608A (en) | Magnetic recording and reproducing means for audio signal | |
JPS52113212A (en) | Position signal recording apparatus for magnetic tape |