CA939806A - Magnetic head positioning assembly - Google Patents

Magnetic head positioning assembly

Info

Publication number: CA939806A
Authority: CA; Canada
Prior art keywords: magnetic head; positioning assembly; head positioning; assembly; magnetic
Prior art date: 1970-12-17
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

CA128,719A

Other versions

CA128719S (en

Inventor

Clarence Huetten

Jerome W. Gibson

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.)

Sperry Corp

Original Assignee

Sperry Rand 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.)

1970-12-17

Filing date

1971-11-26

Publication date

1974-01-08

1971-11-26 Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp

1974-01-08 Application granted granted Critical

1974-01-08 Publication of CA939806A publication Critical patent/CA939806A/en

Status 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
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation

CA128,719A 1970-12-17 1971-11-26 Magnetic head positioning assembly Expired CA939806A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US9898670A	1970-12-17	1970-12-17

Publications (1)

Publication Number	Publication Date
CA939806A true CA939806A (en)	1974-01-08

Family

ID=22271860

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA128,719A Expired CA939806A (en)	1970-12-17	1971-11-26	Magnetic head positioning assembly

Country Status (8)

Country	Link
US (1)	US3634836A (en)
JP (1)	JPS5429886B1 (en)
CA (1)	CA939806A (en)
DE (1)	DE2162811C3 (en)
FR (1)	FR2118807A5 (en)
GB (1)	GB1373514A (en)
IT (1)	IT944017B (en)
NL (1)	NL7116425A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3881189A (en) *	1972-09-07	1975-04-29	Sanyo Electric Co	Transducer arrangement in recording and/or playback devices utilizing disc records
US3838455A (en) *	1973-03-05	1974-09-24	Ibm	Head carriage assembly for magnetic disk storage apparatus
US4005485A (en) *	1973-08-31	1977-01-25	Xerox Corporation	Apparatus and method for loading and unloading transducer heads
US4024581A (en) *	1973-12-05	1977-05-17	Ing. C. Olivetti & C., S.P.A.	Apparatus for writing on, and/or reading, magnetic discs
US3914791A (en) *	1974-01-28	1975-10-21	Vrc California	Memory unit flying pad linkage
US4034411A (en) *	1975-07-11	1977-07-05	International Business Machines Corporation	Magnetic disk information storage apparatus
US4237501A (en) *	1978-07-25	1980-12-02	Pertec Computer Corporation	Emergency head unload system for magnetic disk drive
US4484241A (en) *	1982-05-17	1984-11-20	International Business Machines Corporation	Automatic lock for head-carriage assembly in a disk file
JPS63106974A (en) *	1986-10-16	1988-05-12	インタ−ナショナル・ビジネス・マシ−ンズ・コ−ポレ−ション	Disc memory
US4786995A (en) *	1986-11-06	1988-11-22	Peripheral Technology, Inc	Automatic head retract system for disk drive
US5223993A (en) *	1989-11-03	1993-06-29	Conner Peripherals, Inc.	Multiple actuator disk drive
JP2000163899A (en) *	1998-11-30	2000-06-16	Fujitsu Ltd	Driving device of recording disk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3544980A (en) *	1968-03-22	1970-12-01	Peripheral Systems Corp	Magnetic recording disc drive with head positioning and collision avoidance apparatus
US3531788A (en) *	1968-09-30	1970-09-29	Information Storage Systems	Apparatus for loading and unloading a slider assembly

1970
- 1970-12-17 US US98986A patent/US3634836A/en not_active Expired - Lifetime
1971
- 1971-11-26 CA CA128,719A patent/CA939806A/en not_active Expired
- 1971-11-30 NL NL7116425A patent/NL7116425A/xx unknown
- 1971-12-14 JP JP10076171A patent/JPS5429886B1/ja active Pending
- 1971-12-15 GB GB5828671A patent/GB1373514A/en not_active Expired
- 1971-12-16 IT IT32470/71A patent/IT944017B/en active
- 1971-12-17 DE DE2162811A patent/DE2162811C3/en not_active Expired
- 1971-12-17 FR FR7145610A patent/FR2118807A5/fr not_active Expired

Also Published As

Publication number	Publication date
DE2162811A1 (en)	1972-07-06
JPS5429886B1 (en)	1979-09-27
DE2162811B2 (en)	1977-08-18
IT944017B (en)	1973-04-20
FR2118807A5 (en)	1972-07-28
DE2162811C3 (en)	1978-04-20
NL7116425A (en)	1972-06-20
US3634836A (en)	1972-01-11
GB1373514A (en)	1974-11-13

Publication	Publication Date	Title
CA938715A (en)	1973-12-18	Long-wearing magnetic head
CA934990A (en)	1973-10-09	Magnetic alloy
CA934872A (en)	1973-10-02	Magnetic head system
CA947956A (en)	1974-05-28	Magnetic head assembly
CA939806A (en)	1974-01-08	Magnetic head positioning assembly
CA937676A (en)	1973-11-27	Magnetic head structure
CA1023854A (en)	1978-01-03	Magnetic head adjustment assembly
CA953817A (en)	1974-08-27	Magnetic disc assembly
CA989064A (en)	1976-05-11	Mounting arrangement for magnetic tape head
CA936955A (en)	1973-11-13	Magnetic transducing head
CA974046A (en)	1975-09-09	Magnetic recording coating
CA934871A (en)	1973-10-02	Magnetic head unit
CA929660A (en)	1973-07-03	Magnetic tape printer
CA935552A (en)	1973-10-16	Magnetic tape drive
CA930856A (en)	1973-07-24	Magnetic head
AU483557B2 (en)	1975-02-20	Magnetic head assembly
CA856991A (en)	1970-11-24	Multi-channel magnetic head
CA938716A (en)	1973-12-18	Multi-channel magnetic head
CA869184A (en)	1971-04-20	Magnetic head assembly
CA819309A (en)	1969-07-29	Magnetic head assembly
CA872485A (en)	1971-06-01	Magnetic head support assembly
AU415284B2 (en)	1970-01-08	Magnetic head assembly
AU5922773A (en)	1975-02-20	Magnetic head assembly
CA851138A (en)	1970-09-08	Magnetic tape
AU4000568A (en)	1970-01-08	Magnetic head assembly