Inventor

CHUNG CHONG-SAM

KR126 patents

Patents

50 patents

US10447908B2Oct 15, 2019

Electronic device shooting image

SAMSUNG ELECTRONICS CO LTD55 citations98

US6507544B1Jan 14, 2003

Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system and method therefor

SAMSUNG ELECTRONICS CO LTD60 citations96

US6469979B1Oct 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

US5665957ASep 9, 1997

Lens device comprising light blocking means and an optical pickup apparatus using the lens device

SAMSUNG ELECTRONICS CO LTD94 citations96

US6442124B1Aug 27, 2002

Compatible optical pick-up apparatus for recording and reproducing information from recording media having different formats

SAMSUNG ELECTRONICS CO LTD117 citations95

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

US6023449AFeb 8, 2000

Optical pickup for adjusting focus error signal offset and having widely separated photodetector elements

SAMSUNG ELECTRONICS CO LTD26 citations93

US5870369AFeb 9, 1999

Objective lens device including an objective lens and a transparent member having two light control portions and optical pickup using the objective lens device

SAMSUNG ELECTRONICS CO LTD20 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

US7266074B2Sep 4, 2007

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

US5933401AAug 3, 1999

Optical pickup having plural optical sources and plural optical detectors

SAMSUNG ELECTRONICS CO LTD35 citations91

US6266315B1Jul 24, 2001

Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk

SAMSUNG ELECTRONICS CO LTD23 citations90

US5699340ADec 16, 1997

Method for correcting aberration due to optical disk tilt and apparatus therefor

SAMSUNG ELECTRONICS CO LTD21 citations89

US9961272B2May 1, 2018

Image capturing apparatus and method of controlling the same

SAMSUNG ELECTRONICS CO LTD6 citations84

US9918072B2Mar 13, 2018

Photography apparatus and method thereof

SAMSUNG ELECTRONICS CO LTD11 citations84

US7345981B2Mar 18, 2008

Optical pickup

SAMSUNG ELECTRONICS CO LTD16 citations84

US7324424B2Jan 29, 2008

Compatible optical pickup having diffractive device to correct chromatism and divergent lens to increase working distance

SAMSUNG ELECTRONICS CO LTD9 citations84

US7180846B2Feb 20, 2007

Phase compensator and compatible optical pickup using the phase compensator

SAMSUNG ELECTRONICS CO LTD15 citations84

US7120109B1Oct 10, 2006

Optical pickup with improved collimating lens for use with long and short wavelength laser beams

SAMSUNG ELECTRONICS CO LTD12 citations84

US6987724B2Jan 17, 2006

Optical pickup device having chromatic aberration correction lens

SAMSUNG ELECTRONICS CO LTD11 citations84

US6584049B1Jun 24, 2003

Device for reducing cross talk in signal detecting apparatus used in an optical pickup device

SAMSUNG ELECTRONICS CO LTD13 citations84

US6563780B2May 13, 2003

Compatible optical pickup for high-density recording/reproduction

SAMSUNG ELECTRONICS CO LTD17 citations84

US6430139B1Aug 6, 2002

Objective lens for high-density optical focusing, and optical pickup using the same

SAMSUNG ELECTRONICS CO LTD18 citations84

US6359850B1Mar 19, 2002

Optical pickup having catadioptric objective lens

SAMSUNG ELECTRONICS CO LTD14 citations84

US6016293AJan 18, 2000

Method of discriminating discs having different thickness and optical pickup device adopting the same

SAMSUNG ELECTRONICS CO LTD18 citations84

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

US7289417B2Oct 30, 2007

Lens correcting wavefront error caused by tilt and optical pickup using same

SAMSUNG ELECTRONICS CO LTD7 citations74

US7079471B1Jul 18, 2006

Optical pickup using two laser beam sources of different wavelengths for an optical disk drive and a converter to optimize a light beam reflected off an optical disc for detection based on reflected light beam wavelength

SAMSUNG ELECTRONICS CO LTD8 citations74

US6798731B1Sep 28, 2004

Optical pickup for and method of correcting aberration due to thickness variations of optical media

SAMSUNG ELECTRONICS CO LTD8 citations74

US6785209B2Aug 31, 2004

Optical pickup for improving properties of a reproduction signal

SAMSUNG ELECTRONICS CO LTD10 citations74

US6724710B2Apr 20, 2004

Spherical abberation compensator and optical pickup using the same

SAMSUNG ELECTRONICS CO LTD8 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

US6611482B2Aug 26, 2003

Error signal detecting apparatus for optical recording/reproducing apparatus

SAMSUNG ELECTRONICS CO LTD9 citations74

US6580670B2Jun 17, 2003

Optical pickup using a single light spot to generate tracking error signal and reproduction signal

SAMSUNG ELECTRONICS CO LTD9 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

US6314067B1Nov 6, 2001

Optical disk having pattern for tilt detection

SAMSUNG ELECTRONICS CO LTD7 citations74

US6272096B2Aug 7, 2001

Optical pickup using an optical phase plate

SAMSUNG ELECTRONICS CO LTD9 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

US5353156AOct 4, 1994

Projection lens system

SAMSUNG ELECTRONICS CO LTD16 citations74

US10887495B2Jan 5, 2021

Photographing apparatus module, user terminal including the same, and method of operating the user terminal

SAMSUNG ELECTRONICS CO LTD3 citations73

US10341539B2Jul 2, 2019

Photographing apparatus module, user terminal including the same, and method of operating the user terminal

SAMSUNG ELECTRONICS CO LTD2 citations73

Showing the top 50 of 126 patents by PatentIndex Score.

CHUNG CHONG-SAM

Patents

Electronic device shooting image

Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system and method therefor

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

Optical pickup using an optical phase plate

Lens device comprising light blocking means and an optical pickup apparatus using the lens device

Compatible optical pick-up apparatus for recording and reproducing information from recording media having different formats

Optical pickup having an objective lens compatible with a plurality of optical disk formats

Optical pickup compatible with recordable compact disk and digital video disk using plane parallel plates

Optical pickup for adjusting focus error signal offset and having widely separated photodetector elements

Objective lens device including an objective lens and a transparent member having two light control portions and optical pickup using the objective lens device

Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device

Optical disc apparatus and method of reproducing a wobble signal

Aberration correction element and optical pickup adopting the same

Optical pickup using an optical phase plate

Optical pickup for recording/reproducing optical discs of multiple thicknesses

Optical pickup using an optical phase plate

Reproducing and recording optical pickup compatible with discs having different thicknesses

Critical angle focus error detector

Optical pickup having plural optical sources and plural optical detectors

Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk

Method for correcting aberration due to optical disk tilt and apparatus therefor

Image capturing apparatus and method of controlling the same

Photography apparatus and method thereof

Optical pickup

Compatible optical pickup having diffractive device to correct chromatism and divergent lens to increase working distance

Phase compensator and compatible optical pickup using the phase compensator

Optical pickup with improved collimating lens for use with long and short wavelength laser beams

Optical pickup device having chromatic aberration correction lens

Device for reducing cross talk in signal detecting apparatus used in an optical pickup device

Compatible optical pickup for high-density recording/reproduction

Objective lens for high-density optical focusing, and optical pickup using the same

Optical pickup having catadioptric objective lens

Method of discriminating discs having different thickness and optical pickup device adopting the same

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

Lens correcting wavefront error caused by tilt and optical pickup using same

Optical pickup using two laser beam sources of different wavelengths for an optical disk drive and a converter to optimize a light beam reflected off an optical disc for detection based on reflected light beam wavelength

Optical pickup for and method of correcting aberration due to thickness variations of optical media

Optical pickup for improving properties of a reproduction signal

Spherical abberation compensator and optical pickup using the same

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

Error signal detecting apparatus for optical recording/reproducing apparatus

Optical pickup using a single light spot to generate tracking error signal and reproduction signal

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

Optical disk having pattern for tilt detection

Optical pickup using an optical phase plate

Optical pickup having an objective lens compatible with a plurality of optical disk formats

Lens mold and method of manufacturing a lens

Projection lens system

Photographing apparatus module, user terminal including the same, and method of operating the user terminal

Photographing apparatus module, user terminal including the same, and method of operating the user terminal