JPS56124103A - Digital magnetic recording and/or reproducing method - Google Patents
Digital magnetic recording and/or reproducing methodInfo
- Publication number
- JPS56124103A JPS56124103A JP2467580A JP2467580A JPS56124103A JP S56124103 A JPS56124103 A JP S56124103A JP 2467580 A JP2467580 A JP 2467580A JP 2467580 A JP2467580 A JP 2467580A JP S56124103 A JPS56124103 A JP S56124103A
- Authority
- JP
- Japan
- Prior art keywords
- tracks
- tape
- head
- recording
- turned
- 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
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
- G11B5/00821—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads
- G11B5/00826—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time
- G11B5/0083—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time for parallel information processing, e.g. PCM recording
-
- 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
-
- 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
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2467580A JPS56124103A (en) | 1980-02-29 | 1980-02-29 | Digital magnetic recording and/or reproducing method |
GB8105780A GB2070843B (en) | 1980-02-29 | 1981-02-24 | Tape recording and/or reproducing apparatus |
US06/238,099 US4424541A (en) | 1980-02-29 | 1981-02-25 | Apparatus and method for multi-track recording of a digital signal |
NL8100935A NL8100935A (nl) | 1980-02-29 | 1981-02-26 | Bandregistratie en/of weergave-inrichting en werkwijze voor een digitaal signaal. |
DE19813107591 DE3107591A1 (de) | 1980-02-29 | 1981-02-27 | Verfahren und vorrichtung zur magnetbandaufzeichnungund/oder -wiedergabe von digitalsignalen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2467580A JPS56124103A (en) | 1980-02-29 | 1980-02-29 | Digital magnetic recording and/or reproducing method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56124103A true JPS56124103A (en) | 1981-09-29 |
Family
ID=12144706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2467580A Pending JPS56124103A (en) | 1980-02-29 | 1980-02-29 | Digital magnetic recording and/or reproducing method |
Country Status (5)
Country | Link |
---|---|
US (1) | US4424541A (ja) |
JP (1) | JPS56124103A (ja) |
DE (1) | DE3107591A1 (ja) |
GB (1) | GB2070843B (ja) |
NL (1) | NL8100935A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56167028U (ja) * | 1980-05-10 | 1981-12-10 | ||
DE3245509A1 (de) * | 1981-12-24 | 1983-07-07 | N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven | Drehbare kopfeinheit |
JPH01191301A (ja) * | 1988-01-27 | 1989-08-01 | Hitachi Ltd | 磁気記録再生装置 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5760528A (en) * | 1980-09-30 | 1982-04-12 | Sony Corp | Head supporting in recorder and reproducer |
EP0067061B1 (en) * | 1981-06-08 | 1986-10-01 | Hitachi, Ltd. | Azimuthal magnetic recording and reproducing apparatus |
JPS58185009A (ja) * | 1982-04-23 | 1983-10-28 | Sony Corp | 磁気記録再生装置 |
DE3325353A1 (de) * | 1983-07-14 | 1985-01-24 | Honeywell Gmbh | Positionssensor |
US4796124A (en) * | 1986-03-25 | 1989-01-03 | Kabushiki Kaisha Toshiba | Information recording and reproducing apparatus |
US5371638A (en) * | 1992-06-24 | 1994-12-06 | Digital Equipment Corporation | Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track |
US5307217A (en) * | 1992-06-24 | 1994-04-26 | Digital Equipment Corporation | Magnetic head for very high track density magnetic recording |
US5949604A (en) * | 1992-06-24 | 1999-09-07 | Quantum Corporation | Method of writing and reading servo on tracks having a longitudinal gap |
DE59509873D1 (de) * | 1994-04-22 | 2002-01-10 | Thomson Brandt Gmbh | Verfahren zur Aufzeichnung eines digitalen Signals |
KR100236106B1 (ko) * | 1994-11-21 | 1999-12-15 | 전주범 | 테이프레코더의 회전헤드(rotary head for a tape recorder) |
JPH09167308A (ja) * | 1995-12-19 | 1997-06-24 | Canon Electron Inc | 磁気再生方法、磁気検出素子、磁気検出装置、及び磁気記録媒体 |
WO1998003969A1 (en) * | 1996-07-24 | 1998-01-29 | Storage Technology Corporation | Longitudinal magnetic recording architecture using azimuthally oriented tracks |
JP2004039074A (ja) * | 2002-07-02 | 2004-02-05 | Sony Corp | マルチチャンネルヘッドの位置制御装置およびマルチチャンネルヘッドの位置制御方法 |
US7116514B2 (en) * | 2003-10-20 | 2006-10-03 | Quantum Corporation | Methods and systems for magnetic recording |
US7139152B2 (en) * | 2003-10-20 | 2006-11-21 | Quantum Corporation | Servo methods and systems using existing data structures and optical masks |
US7149050B2 (en) * | 2003-10-20 | 2006-12-12 | Quantum Corporation | Diffractive position sensors and control systems |
US7136255B2 (en) * | 2003-10-20 | 2006-11-14 | Quantum Corporation | Servo methods and systems using masked medium edge position sensors |
US7085095B2 (en) * | 2003-10-20 | 2006-08-01 | Quantum Corporation | Electromagnetic void-sensing probes and position control systems |
US7102845B2 (en) * | 2003-10-20 | 2006-09-05 | Quantum Corporation | Servo methods and systems using existing data structures and medium edge position |
US7184233B2 (en) * | 2004-06-04 | 2007-02-27 | Quantum Corporation | Dual source tracking servo systems and associated methods |
US20060103968A1 (en) * | 2004-11-12 | 2006-05-18 | Jurneke Joe K | Dynamic skew compensation systems and associated methods |
US7499235B2 (en) * | 2005-03-18 | 2009-03-03 | Quantum Corporation | Auto-servo tape system and associated recording head |
US7826169B2 (en) * | 2007-04-25 | 2010-11-02 | Quantum Corporation | Servo error detection and compensation utilizing virtual data tracking servo methods |
US9916860B2 (en) * | 2013-03-13 | 2018-03-13 | Oracle International Corporation | Azimuth actuated dual device set positioning |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2405536A1 (fr) * | 1977-10-07 | 1979-05-04 | Thomson Csf | Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin |
DE2759139A1 (de) * | 1977-12-31 | 1979-07-12 | Heinz Thiele | Video-recorder |
-
1980
- 1980-02-29 JP JP2467580A patent/JPS56124103A/ja active Pending
-
1981
- 1981-02-24 GB GB8105780A patent/GB2070843B/en not_active Expired
- 1981-02-25 US US06/238,099 patent/US4424541A/en not_active Expired - Lifetime
- 1981-02-26 NL NL8100935A patent/NL8100935A/nl not_active Application Discontinuation
- 1981-02-27 DE DE19813107591 patent/DE3107591A1/de active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56167028U (ja) * | 1980-05-10 | 1981-12-10 | ||
DE3245509A1 (de) * | 1981-12-24 | 1983-07-07 | N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven | Drehbare kopfeinheit |
JPH01191301A (ja) * | 1988-01-27 | 1989-08-01 | Hitachi Ltd | 磁気記録再生装置 |
Also Published As
Publication number | Publication date |
---|---|
NL8100935A (nl) | 1981-10-01 |
DE3107591A1 (de) | 1982-02-04 |
US4424541A (en) | 1984-01-03 |
DE3107591C2 (ja) | 1987-03-05 |
GB2070843A (en) | 1981-09-09 |
GB2070843B (en) | 1984-02-29 |
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