BR7900180A - Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco - Google Patents

Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco

Info

Publication number
BR7900180A
BR7900180A BR7900180A BR7900180A BR7900180A BR 7900180 A BR7900180 A BR 7900180A BR 7900180 A BR7900180 A BR 7900180A BR 7900180 A BR7900180 A BR 7900180A BR 7900180 A BR7900180 A BR 7900180A
Authority
BR
Brazil
Prior art keywords
appliance
disk surface
information registered
reading information
track
Prior art date
Application number
BR7900180A
Other languages
English (en)
Inventor
J Elliott
Original Assignee
Mca Disco Vision
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 Mca Disco Vision filed Critical Mca Disco Vision
Priority to BR7900180A priority Critical patent/BR7900180A/pt
Publication of BR7900180A publication Critical patent/BR7900180A/pt

Links

BR7900180A 1979-01-11 1979-01-11 Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco BR7900180A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7900180A BR7900180A (pt) 1979-01-11 1979-01-11 Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR7900180A BR7900180A (pt) 1979-01-11 1979-01-11 Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco

Publications (1)

Publication Number Publication Date
BR7900180A true BR7900180A (pt) 1980-09-02

Family

ID=4013435

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7900180A BR7900180A (pt) 1979-01-11 1979-01-11 Aparelho e processo para leitura de informacoes registradas em uma pista de informacoes sobre uma superficie de um disco

Country Status (1)

Country Link
BR (1) BR7900180A (pt)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US5719836A (en) * 1995-04-07 1998-02-17 Discovision Associates Optical seeking method and apparatus generating track count signal from tracking error signal and data signal
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US5748578A (en) 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US5808980A (en) 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US5920539A (en) 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US6091684A (en) 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US6141300A (en) 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US6532199B1 (en) 1991-02-15 2003-03-11 Discovision Associates Optical actuator assembly with lens position sensor for recording or playback

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141300A (en) 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US6532199B1 (en) 1991-02-15 2003-03-11 Discovision Associates Optical actuator assembly with lens position sensor for recording or playback
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5808980A (en) 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US6058081A (en) 1995-01-25 2000-05-02 Discovision Associates Optical drive system having servomotor operated relative to maximum quad sum signal
US5796703A (en) 1995-01-25 1998-08-18 Discovision Associates Apparatus for controlling an electrical current passed to a writing device in an optical storage system
US5920539A (en) 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US5974007A (en) 1995-01-25 1999-10-26 Discovision Associates Apparatus for moving a carriage assembly from an initial position to a target position
US6034364A (en) 1995-01-25 2000-03-07 Discovision Associates Optical disc system including focus capture assembly with focus error signal circuit and method for operating same
US5875158A (en) 1995-01-25 1999-02-23 Discovision Associates Servo control system for information storage device
US5828054A (en) 1995-01-25 1998-10-27 Discovision Associates Focusing method and system for focus capture and focus control in optical disc system including detection of Quad Sum signal to close focus
US6087644A (en) 1995-01-25 2000-07-11 Discovision Associates Focus capture for optical disc system including detection of quad sum signal to close focus
US6091684A (en) 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US5878015A (en) 1995-01-25 1999-03-02 Discovision Associates Laser driver for controlling electrical current passed to a laser in an optical disc system
US5748578A (en) 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US6243336B1 (en) 1995-01-25 2001-06-05 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same
US6266306B1 (en) 1995-01-25 2001-07-24 Discovision Associates Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs
US6278665B1 (en) 1995-01-25 2001-08-21 Discovision Associates Optical disc system including current monitoring circuit assembly having controller with improved optics module and laser driver and method for operating same
US6741529B1 (en) 1995-01-25 2004-05-25 Discovision Associates Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same
US6418097B1 (en) 1995-01-25 2002-07-09 Discovision Associates Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US5719836A (en) * 1995-04-07 1998-02-17 Discovision Associates Optical seeking method and apparatus generating track count signal from tracking error signal and data signal
US6317393B1 (en) 1995-04-07 2001-11-13 Discovision Associates Method and apparatus for controlling an optical head relative to an initial track and a target track on a storage medium having data arranged thereon in tracks

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