NL232543A - - Google Patents

Info

Publication number: NL232543A
Authority: NL; Netherlands

Application number

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.)

1957-11-01

Publication of NL232543A publication Critical patent/NL232543A/xx

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
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/105—Mounting of head within housing or assembling of head and housing
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/11—Shielding of head against electric or magnetic fields
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- 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
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion

NL232543D 1957-11-01 NL232543A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US693859A US3034109A (en)	1957-11-01	1957-11-01	Apparatus for manifesting intelligence on record media

Publications (1)

Publication Number	Publication Date
NL232543A true NL232543A (xx)

Family

ID=24786405

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL109866D NL109866C (xx)	1957-11-01
NL232543D NL232543A (xx)	1957-11-01

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL109866D NL109866C (xx)	1957-11-01

Country Status (5)

Country	Link
US (1)	US3034109A (xx)
FR (1)	FR1215010A (xx)
GB (1)	GB844632A (xx)
IT (1)	IT613938A (xx)
NL (2)	NL232543A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3432839A (en) *	1966-12-09	1969-03-11	Ibm	Magnetic multihead assembly with shielding means
US3432921A (en) *	1967-07-27	1969-03-18	Usi Corp	Method of making a recording assembly
JPS5847528Y2 (ja) *	1973-11-15	1983-10-29	キヤノン株式会社	ジキヘツドイチチヨウセイソウチ
JPS5517352Y2 (xx) *	1977-04-14	1980-04-22
JPS5626194Y2 (xx) *	1977-05-12	1981-06-22
US4314296A (en) *	1978-09-05	1982-02-02	Bell & Howell Company	Transducer head mounting structures

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2563445A (en) *		1951-08-07		Mount for magnetic transducing
GB351516A (en) *	1930-03-20	1931-06-22	Cecil Herbert Stave	Improvements in and relating to condensers
NL73258C (xx) *	1931-09-02
US2530584A (en) *	1948-12-29	1950-11-21	Rca Corp	Multiple magnetic head mount
US2563850A (en) *	1950-07-05	1951-08-14	Ampex Electric Corp	Magnetic tape recorder
US2644856A (en) *	1951-06-07	1953-07-07	Rca Corp	Multiple head mounting structure
US2772135A (en) *	1952-08-15	1956-11-27	Acf Ind Inc	Method and apparatus for magnetically recording video-frequency signals
US2862781A (en) *	1954-01-27	1958-12-02	Ibm	Recording support devices
GB763780A (xx) *	1954-09-15
US2827355A (en) *	1954-12-30	1958-03-18	Underwood Corp	Adjustable heads for a magnetic record drum
US2957051A (en) *	1955-06-30	1960-10-18	Burroughs Corp	Mounting for magnetic heads
NL212782A (xx) *	1955-12-09
US2950354A (en) *	1956-05-29	1960-08-23	Burroughs Corp	Magnetic head suspension
US2907965A (en) *	1956-08-24	1959-10-06	Allis Chalmers Mfg Co	Reactor with end shielding having disk laminations
US2905933A (en) *	1957-07-09	1959-09-22	Olivetti Corp Of America	Magnetic drum storage unit

0
- NL NL109866D patent/NL109866C/xx active
- NL NL232543D patent/NL232543A/xx unknown
- IT IT613938D patent/IT613938A/it unknown
1957
- 1957-11-01 US US693859A patent/US3034109A/en not_active Expired - Lifetime
1958
- 1958-10-30 FR FR777893A patent/FR1215010A/fr not_active Expired
- 1958-10-31 GB GB34959/58A patent/GB844632A/en not_active Expired

Also Published As

Publication number	Publication date
NL109866C (xx)
US3034109A (en)	1962-05-08
IT613938A (xx)
FR1215010A (fr)	1960-04-13
GB844632A (en)	1960-08-17

Publication	Publication Date	Title
DK122399B (xx)	1972-02-28
IT613938A (xx)
DE1222100C2 (xx)	1967-02-09
BE572657A (xx)
BE571643A (xx)
BE570783A (xx)
BE570699A (xx)
BE570628A (xx)	1958-09-15
BE569815A (xx)
BE568524A (xx)	1958-12-11
BE568175A (xx)
BE567822A (xx)
BE566442A (xx)
BE565985A (xx)
BE565597A (xx)	1958-03-31
BE565080A (xx)
BE564734A (xx)
BE563942A (xx)
BE558782A (xx)
BE555193A (xx)
BE512669A (xx)
NL7003523A (xx)	1970-05-25
NL6405631A (xx)	1964-07-10
NL230902A (xx)
NL230411A (xx)