Inventor

SEONG PYONG-YONG

KR64 patents

⚠️ This page may combine multiple inventors who share the name “SEONG PYONG-YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEONG PYONG-YONG

SAMSUNG ELECTRONICS CO LTD

Optical recording and reproducing apparatus, tilt adjusting method appropriate therefor, and recording control method

Optical pickup using an optical phase plate

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

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

Optical pickup using objective lens compatible with a plurality of optical disks

Optical system for shaping light beams and an optical pickup employing the same

Optical pickup for correcting an astigmatic difference of light

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 pickup device with light spot size adjustment for different density disks

Optical pickup using an optical phase plate

Light emitting module and compatible optical pickup device adopting the same

Optical pickup assembly with adjustable inclination

Optical pickup having a tilt mechanism to adjust an optical axis of an incident light beam

Optical pickup using an optical phase plate

Compatible optical pickup

Method of recording data on optical disc at high multiple speed and apparatus thereof

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

Circuit to protect a light element

Optical pickup device capable of detecting stable error signal

Optical pickup using laser light of different wavelengths to record and reproduce information to/from a disk

Optical disk

Optical pickup movable to control beam shift and field angle in an optical disk drive

Optical pickup using optically variable iris

Optical pickup using an optical phase plate

Optical pickup having compatibility with a digital versatile disk and a compact disk-recordable

Lens mold and method of manufacturing a lens

DVD-RAM disk reproduction apparatus for reducing errors during detection of identification data

Apparatus and method for detecting beam power in optical drive

Optical pickup, optical recording and/or reproducing apparatus including the same, and method for realizing compatible tracking

Optical pickup using an optical phase plate and which is compatible with optical recording media of different types

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

Optical pickup using an optical phase plate and which is compatible with optical media for different types

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

Fast responding optical modulator

Focus error detection with two symmetrically splitted reflected beams

Front photo detector having no gain selection switch, optical pick-up including the front photo detector, and optical recording and/or playing apparatus including the front photo detector

Magnetic circuit, optical pickup actuator, optical recording and/or reproducing apparatus, and methods therefor

Tracking error signal detecting method selectively using a push-pull method, an improved push-pull method, and a three beam method and optical recording/reproducing apparatus using the same

Optical pickup using two-wavelength light source module and method for correcting position difference

Optical pickup using a wedge type beam splitter

Heat source having thermoelectric element, optical pickup assembly employing the same, and method of reducing temperature therein

Optical pickup and optical recording and/or reproducing apparatus adopting the same

Apparatus and method for detecting beam power in optical drive

Optical pickup apparatus and optimal light spot focusing method

Optical pickup and a wedge beam splitter

Optical pickup using two-wavelength light source module

Method and apparatus for identifying the type of optical recording medium

TOSHIBA SAMSUNG STORAGE TECH

Recording and/or reproducing apparatus with an optical pickup actuator having high thrust