NL193415C - Versterker voor het aansturen van een spoel van een magneetkop. - Google Patents

Versterker voor het aansturen van een spoel van een magneetkop. Download PDF

Info

Publication number
NL193415C
NL193415C NL8903043A NL8903043A NL193415C NL 193415 C NL193415 C NL 193415C NL 8903043 A NL8903043 A NL 8903043A NL 8903043 A NL8903043 A NL 8903043A NL 193415 C NL193415 C NL 193415C
Authority
NL
Netherlands
Prior art keywords
transistor
circuit
electrode
current
capacitor
Prior art date
Application number
NL8903043A
Other languages
English (en)
Dutch (nl)
Other versions
NL193415B (nl
NL8903043A (nl
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NL8903043A publication Critical patent/NL8903043A/nl
Publication of NL193415B publication Critical patent/NL193415B/xx
Application granted granted Critical
Publication of NL193415C publication Critical patent/NL193415C/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, 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
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/14Masking or switching periodically, e.g. of rotating heads
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16Modifications for eliminating interference voltages or currents
    • 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
    • H03K17/60Electronic 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 bipolar transistors
    • H03K17/66Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will

Landscapes

  • Amplifiers (AREA)
  • Digital Magnetic Recording (AREA)
  • Electronic Switches (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
NL8903043A 1988-12-09 1989-12-11 Versterker voor het aansturen van een spoel van een magneetkop. NL193415C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63312675A JPH02158903A (ja) 1988-12-09 1988-12-09 ヘッドドライバー
JP31267588 1988-12-09

Publications (3)

Publication Number Publication Date
NL8903043A NL8903043A (nl) 1990-07-02
NL193415B NL193415B (nl) 1999-05-03
NL193415C true NL193415C (nl) 1999-09-06

Family

ID=18032069

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8903043A NL193415C (nl) 1988-12-09 1989-12-11 Versterker voor het aansturen van een spoel van een magneetkop.

Country Status (4)

Country Link
US (1) US5067032A (zh)
JP (1) JPH02158903A (zh)
DE (1) DE3936678A1 (zh)
NL (1) NL193415C (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168395A (en) * 1990-05-02 1992-12-01 International Business Machines Corporation Controlled magnetic recording head relaxation in a magnetic recording system
JPH0469802A (ja) * 1990-07-11 1992-03-05 Sony Corp 磁気変調コイル駆動回路
JP3071256B2 (ja) * 1991-09-18 2000-07-31 ローム株式会社 増幅回路
JP2990889B2 (ja) * 1991-09-27 1999-12-13 日本電気株式会社 磁気ヘッドドライブ回路
US5296975A (en) * 1992-10-09 1994-03-22 International Business Machines Corporation High-transition-rate, low-supply-voltage write driver circuitry for magnetic inductive write head
US5331479A (en) * 1993-02-01 1994-07-19 Seagate Technology, Inc. Capacitor assisted low voltage write circuit
US5398144A (en) * 1993-02-25 1995-03-14 Vtc Inc. Bias generator for a low voltage differential read amplifier
US5969729A (en) * 1994-05-27 1999-10-19 Colorspan Corporation Ink jet printer with artifact-reducing drive circuit
US5781046A (en) * 1995-03-22 1998-07-14 Vtc, Inc. Push-and-pull driver circuit for driving an H-bridge coupled to a two-terminal inductive load
US5612828A (en) * 1995-09-11 1997-03-18 Vtc Inc. Write driver with improvements for risetime
KR0166157B1 (ko) * 1995-12-27 1999-03-20 김광호 자기 기록장치의 기록전류 제어회로 및 방법
US6466386B1 (en) 1999-02-22 2002-10-15 Seagate Technology Llc Magnetic recording using discrete pulsed write currents in a disc drive

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL287870A (zh) * 1962-01-22
JPS54153615A (en) * 1978-05-24 1979-12-04 Hitachi Ltd Current driving circuit
JPS5947801A (ja) * 1982-09-10 1984-03-17 Nec Corp フエライトスイツチ駆動回路
JPS59106275U (ja) * 1982-12-30 1984-07-17 ソニー株式会社 再生増幅回路
US4639794A (en) * 1984-06-19 1987-01-27 Fuji Photo Film Co., Ltd. Multiply pulsed magnetic recording
JPS61158010A (ja) * 1984-12-28 1986-07-17 Tdk Corp 磁気ヘツド回路
US4647988A (en) * 1985-03-04 1987-03-03 Motorola, Inc. Magnetic write circuit
US4821127A (en) * 1985-10-18 1989-04-11 Fuji Photo Film Co., Ltd. Demagnetizing apparatus for erasing signals recorded on concentric tracks

Also Published As

Publication number Publication date
DE3936678C2 (zh) 1992-07-16
US5067032A (en) 1991-11-19
JPH02158903A (ja) 1990-06-19
NL193415B (nl) 1999-05-03
DE3936678A1 (de) 1990-06-13
NL8903043A (nl) 1990-07-02

Similar Documents

Publication Publication Date Title
NL193415C (nl) Versterker voor het aansturen van een spoel van een magneetkop.
US5940235A (en) Reproducing circuit for a magnetic head incorporating the voltage-to-current and an exponent current amplifier
US4823056A (en) Pulse-width modulation drive circuit
US4249219A (en) Current drive circuit for an induction coil
KR970012302A (ko) 자기기록장치 및 방법
US6466391B1 (en) Head retraction circuit
EP0310116B1 (en) Motor driving power supply apparatus including switching regulator control loop
US4868691A (en) Recording or reproducing apparatus
JPH1069661A (ja) 書込み形光ディスクドライブのレーザ制御回路
JPS61171223A (ja) レベル検出器
US4462000A (en) Amplifier comprising means for eliminating direct voltage transients on the amplifier output
JPH0119498Y2 (zh)
JPH0787008B2 (ja) 記録再生切換回路
JP2672664B2 (ja) 記録再生切換回路
JP2880660B2 (ja) 負荷の駆動装置
JPH0727836Y2 (ja) モ−タ駆動回路
JPS6127926B2 (zh)
JPH08103095A (ja) スレッドモータ駆動回路
JPH0814881B2 (ja) 記録制御回路
JPS5918873Y2 (ja) 駆動用モ−タの制御切替回路
JPS6128249Y2 (zh)
JPS6017045Y2 (ja) テ−プレコ−ダ−のミユ−テイング回路
JPS5854893A (ja) 直流モ−タ制御回路
JPS639765B2 (zh)
JPH04313801A (ja) コイルのスイッチング装置

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20080701