Inventor

CHOI BYOUNG-HO

KR54 patents

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

CHOI BYOUNG-HO

SAMSUNG ELECTRONICS CO LTD

Optical recording medium having read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor

Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

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

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor

Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor

Automatic disk discriminating method and apparatus in optical disk system

Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium thereof

Optical recording medium on which multi-modulated header signals are recorded, apparatus and method of recording header signals and apparatus and method of reproducing header signals

Optical recording medium on which a wobble signal having header information is recorded, an apparatus and method of recording wobble signal, and an apparatus and method of reproducing the wobble signal

Method for generating a signal for detecting the direction of movement of a laser spot, and apparatus therefor

Method of detecting track cross signal of optical disc recording/reproducing device and apparatus therefor

Optical recording medium read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Error signal detecting apparatus for optical recording/reproducing apparatus

Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor

Error signal detection apparatus for an optical recording/reproduction system

Apparatus for generating seek direction detection signal

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

Optical recording medium

Optical disc and method of identifying recording layer

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

Method and apparatus for determining a type of disk

Apparatus for generating seek direction detecting signal using track error and track cross signals for an optical pickup

Method and circuit for detecting playback signal which is compensated for time delay

Apparatus generating a seek direction detecting signal for an optical pickup using track cross and track error signals

Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals

Optical recording medium and recording/reproduction method thereof

Defocus error signal detection apparatus having phase comparators and a matrix circuit for an optical recording/reproduction system

Method and apparatus to generate a monitoring signal for an optical recording/reproducing system

Method and apparatus of determining a type of disc

Optical recording medium

Method and circuit for detecting playback signal which is compensated for time delay

Apparatus for and method of detecting defocus error signal for optical pickup and apparatus for and method of detecting seek direction

Method of discriminating optical disc type and apparatus thereof

Method of and apparatus for differentiating between writable disc types

Optical disk and optical disk reproduction device for reproducing same

PARK IN-SIK

Optical recording medium having read-only storage area and writable storage area and recording/reproducing apparatus and method therefor

Optical recording medium having read-only storage area and writable storage area and recording/reproducing apparatus and method therefor

DOW GLOBAL TECHNOLOGIES LLC

Composite material and method of making the composite material

CHEIL IND INC

Slurry composition for chemical mechanical polishing and precursor composition thereof

MAURER MYRON J

Method of forming extruded polystyrene foams and the products made therefrom

LEE TAE YOUNG

Chemical mechanical polishing slurry composition for polishing phase-change memory device and method for polishing phase-change memory device using the same

YOON DU-SEOP

Optical recording medium with different wobble characteristics between the user data area and the lead-out area

KIM TAI YOUNG

Chemical mechanical polishing slurry compositions and polishing method using the same