IT1152168B - Registratore a disco comprendente mezzi per identificare la pista zero ed impedire gli urti - Google Patents

Registratore a disco comprendente mezzi per identificare la pista zero ed impedire gli urti

Info

Publication number
IT1152168B
IT1152168B IT21264/82A IT2126482A IT1152168B IT 1152168 B IT1152168 B IT 1152168B IT 21264/82 A IT21264/82 A IT 21264/82A IT 2126482 A IT2126482 A IT 2126482A IT 1152168 B IT1152168 B IT 1152168B
Authority
IT
Italy
Prior art keywords
identify
including means
disc recorder
recorder including
zero track
Prior art date
Application number
IT21264/82A
Other languages
English (en)
Other versions
IT8221264A0 (it
Inventor
Syed Hussain Iftikar
David Lewis Reeck
Original Assignee
Seagate Technology
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 Seagate Technology filed Critical Seagate Technology
Publication of IT8221264A0 publication Critical patent/IT8221264A0/it
Application granted granted Critical
Publication of IT1152168B publication Critical patent/IT1152168B/it

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
IT21264/82A 1981-05-14 1982-05-14 Registratore a disco comprendente mezzi per identificare la pista zero ed impedire gli urti IT1152168B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/263,742 US4471396A (en) 1981-05-14 1981-05-14 Disc recording apparatus including integral track zero and crash stop means

Publications (2)

Publication Number Publication Date
IT8221264A0 IT8221264A0 (it) 1982-05-14
IT1152168B true IT1152168B (it) 1986-12-31

Family

ID=23003055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21264/82A IT1152168B (it) 1981-05-14 1982-05-14 Registratore a disco comprendente mezzi per identificare la pista zero ed impedire gli urti

Country Status (8)

Country Link
US (1) US4471396A (it)
JP (1) JPS5850674A (it)
CA (1) CA1172754A (it)
DE (1) DE3216932C2 (it)
FR (1) FR2506056B1 (it)
GB (1) GB2098785B (it)
IT (1) IT1152168B (it)
NL (1) NL182030C (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959740A (en) * 1983-11-18 1990-09-25 Canon Denshi Kabushiki Kaisha Disc recording and/or reproducing apparatus including means for minimizing the effects of temperature changes
US4599666A (en) * 1983-03-07 1986-07-08 Jeffrey Liu Disk drive system apparatus band actuator
JPS59129971A (ja) * 1983-01-14 1984-07-26 Tokyo Electric Co Ltd ディスクドライブ装置
JPS59161554U (ja) * 1983-04-14 1984-10-29 ティアック株式会社 信号変換器のアクセス装置
US4722012A (en) * 1983-08-04 1988-01-26 Syquest Technology Disc drive arrangement for a hard disc cartridge having a carriage for accurately positioning a head relative to the cartridge
US4683506A (en) * 1983-08-04 1987-07-28 Syquest Technology Disc drive arrangement for a hard disc cartridge with a read/write head retract mechanism
US5309624A (en) * 1983-11-18 1994-05-10 Canon Denshi Kabushiki Kaisha Method of making a disc recording and/or reproducing apparatus
JPH0341336Y2 (it) * 1985-02-25 1991-08-30
US4703371A (en) * 1985-03-04 1987-10-27 Xebec Disk drive formatting
JPS63183666A (ja) * 1987-01-26 1988-07-29 Nikon Corp 基準トラツク検出機構
US4949206A (en) * 1988-07-29 1990-08-14 Miniscribe Corporation Crash stop for rotary disk drive actuator
JPH0252622U (it) * 1988-10-12 1990-04-16
US5455726A (en) * 1993-10-07 1995-10-03 Micropolis Corporation Versatile head positioner stop
US5455723A (en) * 1994-06-02 1995-10-03 International Business Machines Corporation Method and apparatus for ramp load and unload
US7529054B2 (en) * 2004-04-15 2009-05-05 Seagate Technology Llc Adaptive recording band expansion methodology
KR100585164B1 (ko) * 2004-11-30 2006-06-01 삼성전자주식회사 레퍼런스 서보 트랙 카피 시스템에서의 트랙 제로 위치보정 방법 및 이를 이용한 디스크 드라이브

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH158293A (de) * 1931-11-14 1932-11-15 Grammophon Automaten A G Vorrichtung zum selbsttätigen Abstellen des Elektromotors in Schallplattenapparaten.
US3681726A (en) * 1971-05-27 1972-08-01 Moog Inc Electromagneto-mechanical actuator
US3881189A (en) * 1972-09-07 1975-04-29 Sanyo Electric Co Transducer arrangement in recording and/or playback devices utilizing disc records
JPS5327414A (en) * 1976-08-26 1978-03-14 Victor Co Of Japan Ltd Signal converter conv eying mechanism for recording and reproducing system of rotary recording medium type
US4161004A (en) * 1977-04-05 1979-07-10 Shugart Associates Head positioning mechanism for recording/playback machine
US4170146A (en) * 1977-08-18 1979-10-09 Micro Peripherals, Inc. Mechanism for transforming rotary motion to linear motion adapted for driving a magnetic head
US4200894A (en) * 1978-04-24 1980-04-29 Data General Corporation Head adjustment mechanism for rigid magnetic disc memory apparatus
US4237501A (en) * 1978-07-25 1980-12-02 Pertec Computer Corporation Emergency head unload system for magnetic disk drive
GB2039079A (en) * 1978-12-28 1980-07-30 Tlv Co Ltd Electric motor driving-gear
JPS55135371A (en) * 1979-04-05 1980-10-22 Victor Co Of Japan Ltd Signal converter transfer mechanism of rotary recording medium recording and reproducing device
US4280157A (en) * 1979-06-01 1981-07-21 New World Computer Company, Inc. Actuator apparatus for magnetic disc recording systems
US4237502A (en) * 1979-07-10 1980-12-02 Per Sci, Inc. Disk drive system
US4286296A (en) * 1979-12-31 1981-08-25 International Business Machines Corporation Transducer positioning system
US4395742A (en) * 1980-10-15 1983-07-26 Minnesota Mining And Manufacturing Company Home apparatus

Also Published As

Publication number Publication date
CA1172754A (en) 1984-08-14
IT8221264A0 (it) 1982-05-14
NL182030B (nl) 1987-07-16
JPS5850674A (ja) 1983-03-25
NL182030C (nl) 1987-12-16
FR2506056A1 (fr) 1982-11-19
NL8201728A (nl) 1982-12-01
FR2506056B1 (fr) 1986-01-24
US4471396A (en) 1984-09-11
JPS635827B2 (it) 1988-02-05
GB2098785B (en) 1985-08-07
GB2098785A (en) 1982-11-24
DE3216932C2 (de) 1985-08-08
DE3216932A1 (de) 1982-11-25

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