Inventor

ISHIBASHI HIROMICHI

JP104 patents

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

ISHIBASHI HIROMICHI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical disk having wobble patterns

Optical disk comprising a positional information section and a sync mark section each having a wobble pattern

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disc and physical address format

Optical disk having wobble patterns and block identification marks

Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same

Optical disk having sub-blocks and sub-block indentification marks

Recording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording medium

Optical disk drive having functions of detecting disk tilt from difrraction pattern of track and compensating disk tilt with use of comatic lenses

Optical disk drive apparatus

Jitter measurement apparatus detecting amplitude of phase errors between information signal and synchronized clock signal

Optical disc and optical disc address reading apparatus and method

Optical disc and optical disc address reading apparatus and method

Optical disk medium and method and apparatus for reading information

Optical disc playback and playback method

Optical disk drive apparatus

Tracking error signal detector

Optical information recording disk having embossed clock mark pits and embossed information recording pits

Apparatus for deriving synchronizing signal from pre-formed marks on record carrier

Optical head with easily adjustable collimator having two lens components

Tilt control apparatus with tilt target value based on bit error rate signal

Optical disk drive equipped with waveform equalizer and focus adjustment circuit

Tilt control apparatus based on pulsed width detection of an information reproduced signal

Optical disk device

Optical reproducing device, optical reproducing method using the same, and optical record medium used in the same

Optical disc drive apparatus

Light source apparatus and its control method

Digital modulator and demodulator

Optical disc medium having a plurality of sector groups, a recording method thereof and recorder

Optical disk medium and optical disk indentification method and optical disk device

Optical disk signal reproducing apparatus and crosstalk canceling system for use therein

Method for detecting the movement of a light beam and optical information reproduction apparatus using the same

Optical disc drive for controlling laser emission

Information reproducing apparatus

Optical disk having wobble patterns representing control information

Optical disk having wobble patterns representing control information

Optical disk having wobble patterns representing control information

Digital video recorder, method of driving the video recorder and program

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium and method and apparatus for reading information

Optical disc and physical address format

PANASONIC CORP

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium and method and apparatus for reading information

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk having wobble patterns representing control information

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium

SONY CORP

Disc-shaped recording medium disc driving device and method and apparatus for producing disc