CA1104714A - Automatic head tracking system - Google Patents

Automatic head tracking system

Info

Publication number
CA1104714A
CA1104714A CA303,825A CA303825A CA1104714A CA 1104714 A CA1104714 A CA 1104714A CA 303825 A CA303825 A CA 303825A CA 1104714 A CA1104714 A CA 1104714A
Authority
CA
Canada
Prior art keywords
signal
transducer
head
deflection
track
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
Application number
CA303,825A
Other languages
English (en)
French (fr)
Inventor
Yoshiaki Wakisaka
Takeo Ohba
Hitoshi Sakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1104714A publication Critical patent/CA1104714A/en
Expired legal-status Critical Current

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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
CA303,825A 1977-12-29 1978-05-23 Automatic head tracking system Expired CA1104714A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP158188/77 1977-12-29
JP15818877A JPS5492308A (en) 1977-12-29 1977-12-29 Head tracking device in recorder-reproducer

Publications (1)

Publication Number Publication Date
CA1104714A true CA1104714A (en) 1981-07-07

Family

ID=15666183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303,825A Expired CA1104714A (en) 1977-12-29 1978-05-23 Automatic head tracking system

Country Status (3)

Country Link
US (1) US4172265A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5492308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1104714A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923226Y2 (ja) * 1978-02-10 1984-07-11 ソニー株式会社 回転磁気ヘツド装置のヘツド支持装置
JPS54113308A (en) * 1978-02-23 1979-09-04 Sony Corp Tracking device for magnetic head
US4318142A (en) * 1978-03-23 1982-03-02 Ampex Corporation Automatically compensated movable head servo circuit and method
JPS55102981A (en) * 1979-01-31 1980-08-06 Matsushita Electric Ind Co Ltd Rotary-head type magnetic recording and reproducing device
US4285017A (en) * 1979-02-05 1981-08-18 International Business Machines Corporation Stripe following in a helical scan device
JPS55159681A (en) * 1979-05-31 1980-12-11 Sony Corp Tracking unit for magnetic head
US4310913A (en) * 1979-07-26 1982-01-12 Rca Corporation Stylus tracking aid using two bimorph elements longitudinally aligned
JPS5665332A (en) * 1979-10-29 1981-06-03 Sony Corp Magnetic recording and reproducing device
JPS56101621A (en) * 1980-01-17 1981-08-14 Victor Co Of Japan Ltd Tracking system of magnetic reproducing device
JPS56105322A (en) * 1980-01-19 1981-08-21 Matsushita Electric Ind Co Ltd Driving device of electromechanical conversion element
JPS56117326A (en) * 1980-02-18 1981-09-14 Victor Co Of Japan Ltd Rotary head type magnetic recording and reproducing device
JPS56156924A (en) * 1980-05-08 1981-12-03 Sony Corp Track following device
JPS5778623A (en) * 1980-11-04 1982-05-17 Victor Co Of Japan Ltd Track shift detection system of magnetic reproducing device
US4470079A (en) * 1981-02-13 1984-09-04 Victor Company Of Japan, Ltd. Tracking control system in a magnetic recording and reproducing apparatus
JPS5862993A (ja) * 1981-10-09 1983-04-14 Matsushita Electric Ind Co Ltd 自動トラツキング装置
US4447835A (en) * 1982-01-11 1984-05-08 Sony Corporation Method and apparatus for single frame recording on video tape
US4451859A (en) * 1982-04-02 1984-05-29 Ampex Corporation Magnetic video head position control
US4605974A (en) * 1982-11-24 1986-08-12 Matsushita Electric Industrial Co., Ltd. Magnetic recording and reproducing apparatus
JPS59148118A (ja) * 1983-02-14 1984-08-24 Canon Inc 回転ヘツド型記録再生装置
JPS60158781A (ja) * 1984-01-27 1985-08-20 Sony Corp ビデオテ−プレコ−ダ−
JPS60180321U (ja) * 1984-05-02 1985-11-30 パイオニア株式会社 回転ヘツド型記録再生装置
DE3566038D1 (en) * 1984-10-08 1988-12-08 Agie Ag Ind Elektronik Unit for determining the relative position between two parts for controlling their positions or the displacement thereof and method for actuating said unit
JPH0695377B2 (ja) * 1985-03-12 1994-11-24 ソニー株式会社 バイモルフヘツドのバイモルフ駆動装置
KR870011598A (ko) * 1986-05-14 1987-12-24 모리베 하지매 자기기록 재생기의 드럼장치
US4814908A (en) * 1986-12-03 1989-03-21 Magnetic Peripherals Inc. Thermo servo for track centering on a disk
US4933784A (en) * 1988-10-31 1990-06-12 Ampex Corporation Automatic head position tracking system for video signals recorded in a segmented format
JPH02236814A (ja) * 1989-03-10 1990-09-19 Mitsubishi Electric Corp トラッキング駆動装置
US5047883A (en) * 1990-02-07 1991-09-10 Ampex Corporation Pantograph head mount having double leaves integral with a rigid tip structure
US5050018A (en) * 1990-04-19 1991-09-17 Exabyte Corporation Apparatus and method for reading helically recorded tracks and rereading tracks as necessary
JP2607756B2 (ja) * 1990-07-18 1997-05-07 シーゲイト テクノロジー インターナショナル 磁気ディスクのトラック上でトランスデューサーを位置決めする装置
US5191491A (en) * 1990-11-09 1993-03-02 Exabyte Corporation Method and apparatus for reading distorted helical stripes
US5349481A (en) * 1993-06-10 1994-09-20 Exabyte Corporation Apparatus and method for distorted track data recovery by rewinding and re-reading the tape at a slower than nominal speed
KR960016899B1 (ko) * 1993-12-31 1996-12-26 삼성전자 주식회사 하드디스크 드라이브 축방향 제어에 의한 외부충격방지장치 및 그 방법
US5982574A (en) * 1997-10-17 1999-11-09 Vtc Inc. Automatic tracking frequency servo demodulation technique for DVCR applications
US6307701B1 (en) 1998-10-20 2001-10-23 Ecrix Corporation Variable speed recording method and apparatus for a magnetic tape drive
US6367047B1 (en) 1998-10-20 2002-04-02 Ecrix Multi-level error detection and correction technique for data storage recording device
US6381706B1 (en) 1998-10-20 2002-04-30 Ecrix Corporation Fine granularity rewrite method and apparatus for data storage device
US6246551B1 (en) * 1998-10-20 2001-06-12 Ecrix Corporation Overscan helical scan head for non-tracking tape subsystems reading at up to 1X speed and methods for simulation of same
US6421805B1 (en) 1998-11-16 2002-07-16 Exabyte Corporation Rogue packet detection and correction method for data storage device
US6367048B1 (en) 1998-11-16 2002-04-02 Mcauliffe Richard Method and apparatus for logically rejecting previously recorded track residue from magnetic media
US6308298B1 (en) 1998-11-16 2001-10-23 Ecrix Corporation Method of reacquiring clock synchronization on a non-tracking helical scan tape device
US6603618B1 (en) 1998-11-16 2003-08-05 Exabyte Corporation Method and system for monitoring and adjusting tape position using control data packets
US6624960B1 (en) 2000-03-10 2003-09-23 Exabyte Corporation Current sensing drum/cleaning wheel positioning method and apparatus for magnetic storage system
US6364234B1 (en) 2000-03-10 2002-04-02 Michael Donald Langiano Tape loop/slack prevention method and apparatus for tape drive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375331A (en) * 1963-10-21 1968-03-26 Nippon Electric Co System for recording and reproducing a periodic signal
US4080636A (en) * 1976-03-19 1978-03-21 Ampex Corporation System for damping vibrations in a deflectable transducer
US4093885A (en) * 1976-03-19 1978-06-06 Ampex Corporation Transducer assembly vibration sensor
US4106065A (en) * 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
US4099211A (en) * 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor

Also Published As

Publication number Publication date
JPS5492308A (en) 1979-07-21
US4172265A (en) 1979-10-23
JPS6127808B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-06-27

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Legal Events

Date Code Title Description
MKEX Expiry