IT1318988B1 - Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio - Google Patents

Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio

Info

Publication number
IT1318988B1
IT1318988B1 IT2000MI002176A ITMI20002176A IT1318988B1 IT 1318988 B1 IT1318988 B1 IT 1318988B1 IT 2000MI002176 A IT2000MI002176 A IT 2000MI002176A IT MI20002176 A ITMI20002176 A IT MI20002176A IT 1318988 B1 IT1318988 B1 IT 1318988B1
Authority
IT
Italy
Prior art keywords
piloting
voice coil
coil motor
circuit
piloting method
Prior art date
Application number
IT2000MI002176A
Other languages
English (en)
Inventor
Massimiliano Brambilla
Maurizio Nessi
Ezio Galbiati
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT2000MI002176A priority Critical patent/IT1318988B1/it
Publication of ITMI20002176A0 publication Critical patent/ITMI20002176A0/it
Priority to US09/972,750 priority patent/US6549044B2/en
Priority to JP2001311377A priority patent/JP2002186282A/ja
Publication of ITMI20002176A1 publication Critical patent/ITMI20002176A1/it
Application granted granted Critical
Publication of IT1318988B1 publication Critical patent/IT1318988B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • H03F3/3061—Bridge type, i.e. two complementary controlled SEPP output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3081—Duplicated single-ended push-pull arrangements, i.e. bridge circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Control Of Linear Motors (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
IT2000MI002176A 2000-10-09 2000-10-09 Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio IT1318988B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2000MI002176A IT1318988B1 (it) 2000-10-09 2000-10-09 Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio
US09/972,750 US6549044B2 (en) 2000-10-09 2001-10-05 Driving circuit for a voice coil motor and driving method thereof
JP2001311377A JP2002186282A (ja) 2000-10-09 2001-10-09 ボイスコイルモータ用駆動回路とその駆動方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI002176A IT1318988B1 (it) 2000-10-09 2000-10-09 Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio

Publications (3)

Publication Number Publication Date
ITMI20002176A0 ITMI20002176A0 (it) 2000-10-09
ITMI20002176A1 ITMI20002176A1 (it) 2002-04-09
IT1318988B1 true IT1318988B1 (it) 2003-09-19

Family

ID=11445928

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000MI002176A IT1318988B1 (it) 2000-10-09 2000-10-09 Circuito di pilotaggio per un "voice coil motor" e relativo metodo dipilotaggio

Country Status (3)

Country Link
US (1) US6549044B2 (it)
JP (1) JP2002186282A (it)
IT (1) IT1318988B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7092189B2 (en) * 2004-10-26 2006-08-15 Texas Instruments Incorporated Programmable output impedance for hard drive preamplifier write driver
US7522368B2 (en) * 2006-04-10 2009-04-21 Texas Instruments Incorporated Differential voice coil motor control
WO2008143893A1 (en) * 2007-05-15 2008-11-27 Extremely Ingenious Engineering, Llc System and method for controlling an electromagnetic field generator
US20090011940A1 (en) * 2007-06-20 2009-01-08 Anthony Francis Issa System and method for using a vacuum core high temperature superconducting resonator
US7960867B2 (en) * 2007-11-27 2011-06-14 Extremely Ingenious Engineering Methods and systems for wireless energy and data transmission
US7834699B1 (en) * 2009-05-20 2010-11-16 Fortemedia, Inc. Audio compensation method and audio apparatus with class AB power amplifier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538099A (en) * 1983-01-17 1985-08-27 Quantum Corporation Amplifier circuit
US5245296A (en) * 1992-07-10 1993-09-14 Miller Francis A Audio amplifier circuit and method of operation
DE69414820T2 (de) * 1994-02-28 1999-04-15 St Microelectronics Srl Ausgangsstufe insbesondere für integrierte Verstärker mit aussen verbundenen Ausgangsleistungsvorrichtungen
US6373650B1 (en) * 1998-08-20 2002-04-16 Stmicroelectronics, Inc. Voice coil motor control circuit having alternative modes of operation and method of operation thereof
US6229273B1 (en) * 1999-02-23 2001-05-08 Lucent Technologies, Inc. Actuator driver circuit

Also Published As

Publication number Publication date
ITMI20002176A1 (it) 2002-04-09
ITMI20002176A0 (it) 2000-10-09
US20020047734A1 (en) 2002-04-25
US6549044B2 (en) 2003-04-15
JP2002186282A (ja) 2002-06-28

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