GB1519963A - Disc drive linear actuator and control system therefor - Google Patents

Disc drive linear actuator and control system therefor

Info

Publication number
GB1519963A
GB1519963A GB1730/77A GB173077A GB1519963A GB 1519963 A GB1519963 A GB 1519963A GB 1730/77 A GB1730/77 A GB 1730/77A GB 173077 A GB173077 A GB 173077A GB 1519963 A GB1519963 A GB 1519963A
Authority
GB
United Kingdom
Prior art keywords
control system
linear actuator
disc drive
system therefor
drive linear
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
GB1730/77A
Other languages
English (en)
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of GB1519963A publication Critical patent/GB1519963A/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
    • G11B5/54—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
GB1730/77A 1974-07-08 1975-06-30 Disc drive linear actuator and control system therefor Expired GB1519963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486408A US3922718A (en) 1974-07-08 1974-07-08 Disc drive linear actuator and control system therefor

Publications (1)

Publication Number Publication Date
GB1519963A true GB1519963A (en) 1978-08-02

Family

ID=23931768

Family Applications (5)

Application Number Title Priority Date Filing Date
GB1730/77A Expired GB1519963A (en) 1974-07-08 1975-06-30 Disc drive linear actuator and control system therefor
GB3437/78A Expired GB1519964A (en) 1974-07-08 1975-06-30 Linear actuator for moving a carraige
GB27484/75A Expired GB1519962A (en) 1974-07-08 1975-06-30 Disc drive linear actuator and control system therefor
GB3439/78A Expired GB1519965A (en) 1974-07-08 1975-06-30 Linear actuator for moving a carriage
GB5917/77A Expired GB1506943A (en) 1974-07-08 1977-02-11 Flange connection

Family Applications After (4)

Application Number Title Priority Date Filing Date
GB3437/78A Expired GB1519964A (en) 1974-07-08 1975-06-30 Linear actuator for moving a carraige
GB27484/75A Expired GB1519962A (en) 1974-07-08 1975-06-30 Disc drive linear actuator and control system therefor
GB3439/78A Expired GB1519965A (en) 1974-07-08 1975-06-30 Linear actuator for moving a carriage
GB5917/77A Expired GB1506943A (en) 1974-07-08 1977-02-11 Flange connection

Country Status (11)

Country Link
US (1) US3922718A (forum.php)
JP (1) JPS5131212A (forum.php)
AU (1) AU499431B2 (forum.php)
BE (1) BE831071A (forum.php)
CA (1) CA1074912A (forum.php)
CH (2) CH597671A5 (forum.php)
DE (1) DE2529793A1 (forum.php)
FR (3) FR2307333A1 (forum.php)
GB (5) GB1519963A (forum.php)
IT (1) IT1054638B (forum.php)
NL (1) NL7507730A (forum.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012778A (en) * 1975-11-19 1977-03-15 Xerox Corporation Linear actuator
US4012779A (en) * 1975-11-19 1977-03-15 Xerox Corporation Linear actuator
US4012780A (en) * 1975-11-19 1977-03-15 Xerox Corporation Linear actuator
US4305104A (en) * 1980-02-28 1981-12-08 Ncr Corporation Information storage position control apparatus
US4428012A (en) 1981-05-04 1984-01-24 Miniscribe Corporation Method and apparatus for storing and retrieving information
US4648325A (en) * 1985-06-20 1987-03-10 Heico Inc. Linear drive unit
JPS6280880A (ja) * 1985-10-03 1987-04-14 Fuji Photo Film Co Ltd ヘツドキヤリツジの案内機構
US4825984A (en) * 1987-03-02 1989-05-02 Unisys Corp. Visco-elastic couple for magnet actuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643242A (en) * 1970-07-09 1972-02-15 Xerox Corp Transducer displacement control in movable head-type storage disk systems
US3721967A (en) * 1971-08-02 1973-03-20 Ibm Head carriage assembly for magnetic disk storage drive

Also Published As

Publication number Publication date
BE831071A (fr) 1975-11-03
JPS5131212A (en) 1976-03-17
FR2295521A1 (fr) 1976-07-16
FR2295520A1 (fr) 1976-07-16
AU8280675A (en) 1977-01-13
CA1074912A (en) 1980-04-01
GB1519965A (en) 1978-08-02
GB1519964A (en) 1978-08-02
DE2529793A1 (de) 1976-01-29
US3922718A (en) 1975-11-25
CH597671A5 (forum.php) 1978-04-14
GB1519962A (en) 1978-08-02
FR2307333A1 (fr) 1976-11-05
NL7507730A (nl) 1975-09-30
GB1506943A (en) 1978-04-12
AU499431B2 (en) 1979-04-12
CH592941A5 (forum.php) 1977-11-15
IT1054638B (it) 1981-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee