Inventor
YOO JANG-HOON
KR99 patents
Patents
50 patentsUS6469979B1Oct 22, 2002
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
SAMSUNG ELECTRONICS CO LTD35 citations96
US6222812B1Apr 24, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD60 citations96
US5903536AMay 11, 1999
Objective lens device, optical pickup adopting the same and method for manufacturing an objective lens
SAMSUNG ELECTRONICS CO LTD54 citations96
US5665957ASep 9, 1997
Lens device comprising light blocking means and an optical pickup apparatus using the lens device
SAMSUNG ELECTRONICS CO LTD94 citations96
US6547398B2Apr 15, 2003
Projection-type image display apparatus and method
SAMSUNG ELECTRONICS CO LTD28 citations93
US6449237B1Sep 10, 2002
Optical recording and pickup head for digital versatile disc compatible with read-writable compact disc by adopting flat plate lens having staircase type diffraction grating structure
SAMSUNG ELECTRONICS CO LTD20 citations93
US6363046B1Mar 26, 2002
Optical recording/pickup head compatible with a digital versatile disk (DVD) and a recordable compact disk (CD-R) using a holographic variable aperture
SAMSUNG ELECTRONICS CO LTD34 citations93
US6304540B1Oct 16, 2001
Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
SAMSUNG ELECTRONICS CO LTD23 citations93
US6285646B1Sep 4, 2001
Optical pickup using objective lens compatible with a plurality of optical disks
SAMSUNG ELECTRONICS CO LTD33 citations93
US6091691AJul 18, 2000
Optical pickup having an objective lens compatible with a plurality of optical disk formats
SAMSUNG ELECTRONICS CO LTD38 citations93
US6081498AJun 27, 2000
Optical pickup compatible with recordable compact disk and digital video disk using plane parallel plates
SAMSUNG ELECTRONICS CO LTD30 citations93
US6043912AMar 28, 2000
Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
SAMSUNG ELECTRONICS CO LTD45 citations93
US6009066ADec 28, 1999
Optical pickup of two different wavelength laser sources with an objective lens having an annular shielding region
SAMSUNG ELECTRONICS CO LTD27 citations93
US5909424AJun 1, 1999
Optical pickup device and method to read from and record information to disks of different thicknesses
SAMSUNG ELECTRONICS CO LTD22 citations93
US5822135AOct 13, 1998
Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
SAMSUNG ELECTRONICS CO LTD22 citations93
US5703862ADec 30, 1997
Dual focus objective lens with two curvatures for focussing light on two different kinds of disks with different thicknesses
SAMSUNG ELECTRONICS CO LTD49 citations93
US6791933B1Sep 14, 2004
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD18 citations92
US6449229B1Sep 10, 2002
Optical pickup assembly with adjustable inclination
SAMSUNG ELECTRONICS CO LTD32 citations92
US6275461B1Aug 14, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD25 citations92
US5793407AAug 11, 1998
Method and apparatus for forming a light spot smaller than a theoretical limit for high density recording
SAMSUNG ELECTRONICS CO LTD23 citations92
US5777973AJul 7, 1998
Reproducing and recording optical pickup compatible with discs having different thicknesses
SAMSUNG ELECTRONICS CO LTD37 citations92
US5629514AMay 13, 1997
Critical angle focus error detector
SAMSUNG ELECTRONICS CO LTD23 citations92
US6337841B1Jan 8, 2002
Compatible optical pickup
SAMSUNG ELECTRONICS CO LTD49 citations91
US5907530AMay 25, 1999
Optical pickup device
SAMSUNG ELECTRONICS CO LTD25 citations91
US6266315B1Jul 24, 2001
Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk
SAMSUNG ELECTRONICS CO LTD23 citations90
US6636464B1Oct 21, 2003
Optical pickup device capable of detecting stable error signal
SAMSUNG ELECTRONICS CO LTD14 citations84
US6466529B1Oct 15, 2002
Optical pickup assembly and method of detecting tilt
SAMSUNG ELECTRONICS CO LTD19 citations84
US6430139B1Aug 6, 2002
Objective lens for high-density optical focusing, and optical pickup using the same
SAMSUNG ELECTRONICS CO LTD18 citations84
US6381207B1Apr 30, 2002
Optical pickup movable to control beam shift and field angle in an optical disk drive
SAMSUNG ELECTRONICS CO LTD14 citations84
US6222801B1Apr 24, 2001
Optical pickup using optically variable iris
SAMSUNG ELECTRONICS CO LTD17 citations84
US6016293AJan 18, 2000
Method of discriminating discs having different thickness and optical pickup device adopting the same
SAMSUNG ELECTRONICS CO LTD18 citations84
US5986993ANov 16, 1999
Optical pickup device having a diaphram with a predetermined aperture
SAMSUNG ELECTRONICS CO LTD17 citations84
US5805556ASep 8, 1998
Optical pickup apparatus having a holographic optical element
SAMSUNG ELECTRONICS CO LTD17 citations84
US7116627B2Oct 3, 2006
Compatible optical pickup device using a single light source
SAMSUNG ELECTRONICS CO LTD12 citations83
US6556520B1Apr 29, 2003
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
SAMSUNG ELECTRONICS CO LTD10 citations82
US6259668B1Jul 10, 2001
Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
SAMSUNG ELECTRONICS CO LTD14 citations82
US7200098B2Apr 3, 2007
Objective lens for high-density optical focusing and an optical disk in an optical pickup
SAMSUNG ELECTRONICS CO LTD6 citations74
US6938890B2Sep 6, 2005
Objective lens for high-density optical focusing and an optical disk in an optical pickup
SAMSUNG ELECTRONICS CO LTD10 citations74
US6882614B2Apr 19, 2005
Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
SAMSUNG ELECTRONICS CO LTD4 citations74
US6816449B2Nov 9, 2004
Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
SAMSUNG ELECTRONICS CO LTD6 citations74
US6721243B2Apr 13, 2004
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
SAMSUNG ELECTRONICS CO LTD3 citations74
US6556521B1Apr 29, 2003
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
SAMSUNG ELECTRONICS CO LTD3 citations74
US6400666B1Jun 4, 2002
Optical pickup device
SAMSUNG ELECTRONICS CO LTD7 citations74
US6272096B2Aug 7, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD9 citations74
US6233217B1May 15, 2001
Optical pickup for recording/reproduction with a light emitting diode light source
SAMSUNG ELECTRONICS CO LTD8 citations74
US6198714B1Mar 6, 2001
Optical pickup having an objective lens compatible with a plurality of optical disk formats
SAMSUNG ELECTRONICS CO LTD14 citations74
US5987924ANov 23, 1999
Lens mold and method of manufacturing a lens
SAMSUNG ELECTRONICS CO LTD12 citations74
US5841754ANov 24, 1998
Optical pickup device having an objective lens and auxiliary lenses exterior thereof
SAMSUNG ELECTRONICS CO LTD14 citations74
US5737299AApr 7, 1998
Optical pickup apparatus having wave plates
SAMSUNG ELECTRONICS CO LTD8 citations74
US7035191B2Apr 25, 2006
Compatible optical pickup using light sources following a common optical path
SAMSUNG ELECTRONICS CO LTD6 citations73
Showing the top 50 of 99 patents by PatentIndex Score.