| Patent | Date |
|---|
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
Grant 7,590,034 - Joo , et al. September 15, 2 | 2009-09-15 |
Compatible optical pickup applying tilt to objective lens in proportion to radial movement of objective lens
Grant 7,372,794 - Kim , et al. May 13, 2 | 2008-05-13 |
Optical Information Storage Medium And Method Of And Apparatus For Recording And/or Reproducing Information Using Different Modulation Methods
App 20080080343 - Shim; Jae-Seong ; et al. | 2008-04-03 |
Method and apparatus for detecting radial tilt
Grant 7,349,311 - Ma , et al. March 25, 2 | 2008-03-25 |
Method For Detecting Servo Error, Apparatus Therefor, Disk Which Maintains Quality Of Servo Error Signal, Method Of Controlling Servo Of Disk Recording/reproducing Apparatus, Method Of Detecting Tracking Error, And Method Of Detecting Tilt Error
App 20080068957 - JOO; Seong-sin ; et al. | 2008-03-20 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
Grant 7,319,643 - Joo , et al. January 15, 2 | 2008-01-15 |
Method and apparatus for tracking error detection in optical disk driver
Grant 7,310,291 - Ma , et al. December 18, 2 | 2007-12-18 |
Actuator for optical disk system and apparatus for providing signal for driving the actuator
Grant 7,304,915 - Ma , et al. December 4, 2 | 2007-12-04 |
Recording and/or reproducing apparatus and method of controlling the same
Grant 7,286,447 - Ma , et al. October 23, 2 | 2007-10-23 |
Optical pickup apparatus and optimal light spot focusing method
Grant 7,280,458 - Lee , et al. October 9, 2 | 2007-10-09 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium thereof
Grant 7,224,651 - Ko , et al. May 29, 2 | 2007-05-29 |
Adaptive focusing method and apparatus
Grant 7,184,373 - Kelbas , et al. February 27, 2 | 2007-02-27 |
Error signal detection apparatus and method for optical recording/reproducing system
Grant 7,170,836 - Ma , et al. January 30, 2 | 2007-01-30 |
Method and circuit for detecting playback signal which is compensated for time delay
Grant 7,170,834 - Otsuka , et al. January 30, 2 | 2007-01-30 |
Method For Detecting Servo Error, Apparatus Therefor, Disk Which Maintains Quality Of Servo Error Signal, Method Of Controlling Servo Of Disk Recording/reproducing Apparatus, Method Of Detecting Tracking Error, And Method Of Detecting Tilt Error
Grant 7,167,424 - Joo , et al. January 23, 2 | 2007-01-23 |
Method and apparatus for determining a type of disk
Grant 7,133,342 - Choi , et al. November 7, 2 | 2006-11-07 |
Apparatus for generating seek direction detecting signal using track error and track cross signals for an optical pickup
Grant 7,120,095 - Ma , et al. October 10, 2 | 2006-10-10 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
Grant 7,110,334 - Joo , et al. September 19, 2 | 2006-09-19 |
Method and apparatus for tracking error detection in optical disk driver
Grant 7,102,967 - Ma , et al. September 5, 2 | 2006-09-05 |
Defocus error signal detection apparatus having phase comparators and a matrix circuit for an optical recording/reproduction system
Grant 7,095,686 - Ma , et al. August 22, 2 | 2006-08-22 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
Grant 7,092,329 - Ko , et al. August 15, 2 | 2006-08-15 |
Method of determining type of optical disc, and data recording and/or reproducing apparatus therefor
App 20060104176 - Ma; Byung-In ; et al. | 2006-05-18 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
App 20060092789 - Joo; Seong-sin ; et al. | 2006-05-04 |
Apparatus and method for generating tracking error signal
Grant 7,035,178 - Ma , et al. April 25, 2 | 2006-04-25 |
Disk area detection method and apparatus
App 20060077840 - Ma; Byung-In ; et al. | 2006-04-13 |
Method and circuit for detecting playback signal which is compensated for time delay
Grant 7,009,921 - Otsuka , et al. March 7, 2 | 2006-03-07 |
Method of determining the type of an optical disc and a data recording and/or reproducing apparatus
App 20060044966 - An; Kwang-ok ; et al. | 2006-03-02 |
Tray movement speed control method and apparatus
App 20060048172 - Lee; Myoung-wook ; et al. | 2006-03-02 |
Differential phase detection device and tracking error signal detection apparatus using the same
Grant 6,977,982 - Ma , et al. December 20, 2 | 2005-12-20 |
Apparatus for and method of detecting defocus error signal for optical pickup and apparatus for and method of detecting seek direction
Grant 6,977,876 - Ma , et al. December 20, 2 | 2005-12-20 |
Apparatus generating a seek direction detecting signal for an optical pickup using track cross and track error signals
Grant 6,961,292 - Ma , et al. November 1, 2 | 2005-11-01 |
Method for generating a signal for detecting the direction of movement of a laser spot, and apparatus therefor
Grant 6,940,799 - Ma , et al. September 6, 2 | 2005-09-06 |
Error signal detection apparatus and method for optical recording/reproducing system
App 20050152240 - Ma, Byung-in ; et al. | 2005-07-14 |
Method and apparatus for tracking error detection in optical disk driver
App 20050128903 - Ma, Byung-in ; et al. | 2005-06-16 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
App 20050105425 - Ko, Jung-wan ; et al. | 2005-05-19 |
Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals
Grant 6,885,621 - Ma , et al. April 26, 2 | 2005-04-26 |
Method and apparatus for tracking error detection in optical disk driver
App 20050068864 - Ma, Byung-in ; et al. | 2005-03-31 |
Method and circuit for detecting playback signal which is compensated for time delay
App 20040218489 - Otsuka, Tatsuhiro ; et al. | 2004-11-04 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
Grant 6,813,230 - Ko , et al. November 2, 2 | 2004-11-02 |
Actuator for optical disk system and apparatus for providing signal for driving the actuator
App 20040208091 - Ma, Byung-in ; et al. | 2004-10-21 |
Error signal detection apparatus for an optical recording/reproducing system
App 20040202093 - Ma, Byung-in ; et al. | 2004-10-14 |
Method and apparatus to generate a monitoring signal for an optical recording/reproducing system
Grant 6,801,486 - Ma , et al. October 5, 2 | 2004-10-05 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
App 20040184372 - Ko, Jung-Wan ; et al. | 2004-09-23 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
Grant 6,791,920 - Ko , et al. September 14, 2 | 2004-09-14 |
Optical information reproducing apparatus and method
App 20040151091 - Ma, Byung-in ; et al. | 2004-08-05 |
Adaptive focusing method and apparatus
App 20040130980 - Kelbas, Dmytro ; et al. | 2004-07-08 |
Error signal detection apparatus for an optical recording/reproduction system
Grant 6,754,146 - Ma , et al. June 22, 2 | 2004-06-22 |
Optical information storage medium and method of and apparatus for recording and/or reproducing information on and/or from the optical information storage medium
App 20040114481 - Shim, Jae seong ; et al. | 2004-06-17 |
Optical recording medium and recording/reproduction method thereof
Grant 6,751,178 - Lee , et al. June 15, 2 | 2004-06-15 |
Information storage medium, and data recording, reproducing, detecting and/or evaluating apparatus and method using the same
App 20040105366 - Shim, Jae-seong ; et al. | 2004-06-03 |
Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
Grant 6,744,718 - Ko , et al. June 1, 2 | 2004-06-01 |
Method and apparatus for ocntrolling objective lens to prevent disc from being scratched by the objective lens
App 20040095858 - Choi, Byoung-Ho ; et al. | 2004-05-20 |
Method For Detecting Servo Error, Apparatus Therefor, Disk Which Maintains Quality Of Servo Error Signal, Method Of Controlling Servo Of Disk Recording/reproducing Apparatus, Method Of Detecting Tracking Error, And Method Of Detecting Tilt Error
Grant 6,721,243 - Joo , et al. April 13, 2 | 2004-04-13 |
Method and apparatus for detecting radial tilt
App 20040057351 - Ma, Byung-in ; et al. | 2004-03-25 |
Compatible optical pickup
App 20040032815 - Kim, Tae-kyung ; et al. | 2004-02-19 |
Apparatus for generating seek direction detection signal
Grant 6,687,201 - Ma , et al. February 3, 2 | 2004-02-03 |
Physical identification data addressing method using wobble signal, method of detecting wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor
Grant 6,671,238 - Ko , et al. December 30, 2 | 2003-12-30 |
Apparatus and method for generating tracking error signal
App 20030210622 - Ma, Byung-in ; et al. | 2003-11-13 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
App 20030169650 - Joo, Seong-Sin ; et al. | 2003-09-11 |
Error signal detecting apparatus for optical recording/reproducing apparatus
Grant 6,611,482 - Ma , et al. August 26, 2 | 2003-08-26 |
Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
App 20030128637 - Joo, Seong-Sin ; et al. | 2003-07-10 |
Device for reducing cross talk in signal detecting apparatus used in an optical pickup device
Grant 6,584,049 - Ma , et al. June 24, 2 | 2003-06-24 |
Recording and/or reproducing apparatus and method of controlling the same
App 20030099168 - Ma, Byung-In ; et al. | 2003-05-29 |
Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system and method therefor
Grant 6,507,544 - Ma , et al. January 14, 2 | 2003-01-14 |
Optical pickup apparatus and optimal light spot focusing method
App 20020159378 - Lee, Yong-jae ; et al. | 2002-10-31 |
Differential phase detection device and tracking error signal detection apparatus using the same
App 20020094024 - Ma, Byung-in ; et al. | 2002-07-18 |
Method and apparatus to generate a monitoring signal for an optical recording/reproducing system
App 20020080693 - Ma, Byung-in ; et al. | 2002-06-27 |
Error signal detection apparatus for an optical recording/reproducing system
App 20020060970 - Ma, Byung-in ; et al. | 2002-05-23 |
Apparatus for and method of detecting defocus error signal for optical pickup and apparatus for and method of detecting seek direction
App 20020044505 - Ma, Byung-in ; et al. | 2002-04-18 |
Apparatus for generating seek direction detection signal
App 20020006088 - Ma, Byung-in ; et al. | 2002-01-17 |
Error signal detection apparatus and method for optical recording/reproducing system
App 20020006091 - Ma, Byung-In ; et al. | 2002-01-17 |
Apparatus for generating seek direction detecting signal for an optical pickup
App 20020003756 - Ma, Byung-in ; et al. | 2002-01-10 |
Error signal detecting apparatus for optical recording/reproducing apparatus
App 20010055255 - Ma, Byung-in ; et al. | 2001-12-27 |
Apparatus for generating seek direction detecting signal for optical pickup
App 20010040850 - Ma, Byung-in ; et al. | 2001-11-15 |
Method and apparatus for determining a type of disk
App 20010006211 - Choi, Byoung-ho ; et al. | 2001-07-05 |
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