GB2368713B - A write driver circuit - Google Patents

A write driver circuit

Info

Publication number
GB2368713B
GB2368713B GB0202009A GB0202009A GB2368713B GB 2368713 B GB2368713 B GB 2368713B GB 0202009 A GB0202009 A GB 0202009A GB 0202009 A GB0202009 A GB 0202009A GB 2368713 B GB2368713 B GB 2368713B
Authority
GB
United Kingdom
Prior art keywords
driver circuit
write driver
write
circuit
driver
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 - Fee Related
Application number
GB0202009A
Other versions
GB2368713A (en
GB0202009D0 (en
Inventor
Bradley K Davis
Robert M Thelen
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.)
HP Inc
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
Hewlett Packard Co
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
Priority claimed from US09/114,392 external-priority patent/US6246533B1/en
Application filed by Agilent Technologies Inc, Hewlett Packard Co filed Critical Agilent Technologies Inc
Publication of GB0202009D0 publication Critical patent/GB0202009D0/en
Publication of GB2368713A publication Critical patent/GB2368713A/en
Application granted granted Critical
Publication of GB2368713B publication Critical patent/GB2368713B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/022H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • H03K17/6872Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002Special dispositions or recording techniques
    • G11B2005/0005Arrangements, methods or circuits
    • G11B2005/001Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
GB0202009A 1998-07-13 1999-07-06 A write driver circuit Expired - Fee Related GB2368713B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/114,392 US6246533B1 (en) 1998-07-13 1998-07-13 Programmable write driver circuit for writing information to a magnetic storage media
GB9915830A GB2339628B (en) 1998-07-13 1999-07-06 A write driver circuit

Publications (3)

Publication Number Publication Date
GB0202009D0 GB0202009D0 (en) 2002-03-13
GB2368713A GB2368713A (en) 2002-05-08
GB2368713B true GB2368713B (en) 2002-11-06

Family

ID=26315735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0202009A Expired - Fee Related GB2368713B (en) 1998-07-13 1999-07-06 A write driver circuit

Country Status (1)

Country Link
GB (1) GB2368713B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035563A2 (en) * 1994-06-10 1995-12-28 Philips Electronics N.V. Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
US5638012A (en) * 1994-10-24 1997-06-10 Hitachi, Ltd. Write driver circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035563A2 (en) * 1994-06-10 1995-12-28 Philips Electronics N.V. Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
US5638012A (en) * 1994-10-24 1997-06-10 Hitachi, Ltd. Write driver circuit

Also Published As

Publication number Publication date
GB2368713A (en) 2002-05-08
GB0202009D0 (en) 2002-03-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070706