Inventor

TATEISHI KIYOSHI

JP88 patents

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

TATEISHI KIYOSHI

PIONEER ELECTRONIC CORP

Method and apparatus for correcting the loop gain of a servo loop in accordance with measurements during open-loop operation

Optical pickup, aberration correction unit and astigmatism measurement method

Search method for information record medium

Apparatus for reproducing record information of multiple-layered optical disc

Cycle slip detector and phase locked loop circuit and digital signal reproducing apparatus using the same

Method of reproducing high-speed audio data by a CD-ROM player

Tilt servo apparatus for use in optical disc reproducing apparatus

Method of and apparatus for detecting and compensating deviation in servo control systems

Phase locked loop circuit

Focus control apparatus in multi-layered disk reading apparatus utilizing acceleration, deceleration and focus error signals to switch between layers of the disk

Apparatus for reproducing digital signal

Digital PLL circuit

Disk discriminating method and apparatus

Spindle control apparatus for disk player

Spindle servo circuit for driving a data storage disk having CLV type recording format

Optical pickup

Tilt servo controlling apparatus

Optical disk player having waveform distortion compensating function

Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams

Tracking servo system adapted to operate with variable track pitch

High-speed search method for use in a disc player system

Feedback servo for beam power control, tracking control and focus control in an optical disk recording system

Scanning method and apparatus for performing track jump operations in disk player

Disc player

Signal compensating apparatus, information reproducing apparatus and information recording apparatus

Repeat control apparatus, information reproducing apparatus and information recording apparatus

System for producing a liquid crystal driving signal

Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams

Disk playing apparatus having a compensation characteristic variable with velocity information

PLL circuit for producing a clock signal

Track jump operation control apparatus in a disk player

Offset compensating circuit in fine control servo device

PIONEER CORP

Focus jump device for reproducing information from a storage medium

Track jump apparatus

Aberration compensation device, and an optical pickup and an information reproducing/recording apparatus employing the same

Optical pickup device and apparatus for reading data from optical storage medium

Optical recording/reproducing apparatus

Servo control apparatus and servo control method

Two-dimensional modulation method for hologram recording and hologram apparatus with encoder for driving SLM displaying boundary portion

Hologram recording and reproducing apparatus

Semiconductor laser driving device and semiconductor laser driving method

Servo controller having unit for compensating error signal during dropout

Servo control apparatus for optical disc driver

Optical pickup tracking controller and optical pickup tracking control method

Power controller

Servo control apparatus for optical disc player

Optical pickup direction detection unit and optical pickup direction detection method

Liquid crystal driving signal generating apparatus and optical disk reproducing apparatus with liquid crystal driving signal generating apparatus

PIONEER COORPERATION

Information recording apparatus

PIONEER ELECTRIC CORP

Disc player servo device