GB1022191A - Improvements in or relating to magnetic transducer assemblies - Google Patents

Improvements in or relating to magnetic transducer assemblies

Info

Publication number
GB1022191A
GB1022191A GB16443/62A GB1644362A GB1022191A GB 1022191 A GB1022191 A GB 1022191A GB 16443/62 A GB16443/62 A GB 16443/62A GB 1644362 A GB1644362 A GB 1644362A GB 1022191 A GB1022191 A GB 1022191A
Authority
GB
United Kingdom
Prior art keywords
gap
playback
erase
field
record
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
GB16443/62A
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.)
I I T RES INST
Original Assignee
I I T RES INST
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 I I T RES INST filed Critical I I T RES INST
Publication of GB1022191A publication Critical patent/GB1022191A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • 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
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • 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
    • G11B5/465—Arrangements for demagnetisation 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
    • G11B5/54—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
    • G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
GB16443/62A 1961-07-24 1962-07-24 Improvements in or relating to magnetic transducer assemblies Expired GB1022191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US126121A US3334192A (en) 1961-07-24 1961-07-24 Cross field magnetic transducer head

Publications (1)

Publication Number Publication Date
GB1022191A true GB1022191A (en) 1966-03-09

Family

ID=22423093

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16443/62A Expired GB1022191A (en) 1961-07-24 1962-07-24 Improvements in or relating to magnetic transducer assemblies
GB40024/65A Expired GB1022192A (en) 1961-07-24 1962-07-24 Improvements in or relating to magnetic transducer assemblies

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB40024/65A Expired GB1022192A (en) 1961-07-24 1962-07-24 Improvements in or relating to magnetic transducer assemblies

Country Status (3)

Country Link
US (1) US3334192A (enExample)
DE (1) DE1424491C3 (enExample)
GB (2) GB1022191A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149186A (en) * 1983-11-04 1985-06-05 Control Data Corp A magnetic transducer head

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684841A (en) * 1969-12-30 1972-08-15 Honeywell Inc Multi-channel magnetic transducer structure having full width erase head in non-magnetic housing
DE2007198C3 (de) * 1970-02-17 1985-01-24 Bogen Electronic GmbH, 1000 Berlin Magnetkopfanordnung mit einer Einrichtung zum Positionieren des Magnetkopfes
US3882544A (en) * 1973-12-14 1975-05-06 Xerox Corp Combined wide-erase and read-write magnetic head
JPS5652369B2 (enExample) * 1975-03-10 1981-12-11
US4700253A (en) * 1983-11-22 1987-10-13 Minnesota Mining And Manufacturing Company Slanted pole head for magnetic recording
US4894736A (en) * 1987-10-30 1990-01-16 Ampex Corporation Bendable E-shaped transducer
US20090066465A1 (en) * 2007-09-06 2009-03-12 Udo Ausserlechner Magnetic core for testing magnetic sensors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1287982A (en) * 1917-02-16 1918-12-17 Western Electric Co Modulating system.
US2702835A (en) * 1945-08-25 1955-02-22 Armour Res Found Erase head for magnetic recorder
US2540711A (en) * 1946-06-01 1951-02-06 Armour Res Found Electromagnetic transducer head
US2549771A (en) * 1946-08-16 1951-04-24 Armour Res Found Magnetic transducer head
US2658113A (en) * 1949-10-03 1953-11-03 Stromberg Carlson Co Means for improving the performance of magnetic sound recording and reproducing heads
US2786897A (en) * 1951-04-19 1957-03-26 Siemens Ag Magnetic recorder
US2803708A (en) * 1951-09-26 1957-08-20 Armour Res Found Electromagnetic transducer head
US2785232A (en) * 1951-10-02 1957-03-12 Armour Res Found Electromagnetic head
US2888522A (en) * 1955-09-06 1959-05-26 Clevite Corp Magnetic transducer head unit
US3094772A (en) * 1956-07-26 1963-06-25 Philips Corp Method of producing magnetic heads with accurately predetermined gap heights
US3043919A (en) * 1958-08-19 1962-07-10 Avco Corp Electromagnetic transducer head housing and assembly
US3163720A (en) * 1959-02-05 1964-12-29 Webcor Inc Magnetic head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149186A (en) * 1983-11-04 1985-06-05 Control Data Corp A magnetic transducer head

Also Published As

Publication number Publication date
DE1424491B2 (enExample) 1974-03-07
US3334192A (en) 1967-08-01
DE1424491C3 (de) 1974-10-03
DE1424491A1 (de) 1969-03-20
GB1022192A (en) 1966-03-09

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